2020MNRAS.494.1448I

Query : 2020MNRAS.494.1448I

2020MNRAS.494.1448I - Mon. Not. R. Astron. Soc., 494, 1448-1462 (2020/May-1)

Inferred time-scales for common envelope ejection using wide astrometric companions.

IGOSHEV A.P., PERETS H.B. and MICHAELY E.

Abstract (from CDS):

Evolution of close binaries often proceeds through the common envelope stage. The physics of the envelope ejection (CEE) is not yet understood, and several mechanisms were suggested to be involved. These could give rise to different time-scales for the CEE mass-loss. In order to probe the CEE-time-scales we study wide companions to post-CE binaries. Faster mass-loss time-scales give rise to higher disruption rates of wide binaries and result in larger average separations. We make use of data from Gaia DR2 to search for ultrawide companions (projected separations 103-2 x 105 au and M2 > 0.4 M☉) to several types of post-CEE systems, including sdBs, white dwarf post-common binaries, and cataclysmic variables. We find a (wide-orbit) multiplicity fraction of 1.4 ± 0.2 per cent for sdBs to be compared with a multiplicity fraction of 5.0 ± 0.2 per cent for late-B/A/F stars which are possible sdB progenitors. The distribution of projected separations of ultrawide pairs to main sequence stars and sdBs differs significantly and is compatible with prompt mass-loss (upper limit on common envelope ejection time-scales of 102 yr). The smaller statistics of ultrawide companions to cataclysmic variables and post-CEE binaries provide weaker constraints. Nevertheless, the survival rate of ultrawide pairs to the cataclysmic variables suggest much longer, ∼104 yr time-scales for the CEE in these systems, possibly suggesting non-dynamical CEE in this regime.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): binaries: general - stars: low-mass - stars: mass-loss - stars: statistics

VizieR on-line data: <Available at CDS (J/MNRAS/494/1448): table2.dat table3.dat table4.dat table5.dat>

Simbad objects: 291

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Number of rows : 291
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Gaia DR3 4689639232475726976 * 00 24 14.8737394409 -72 05 06.122615142           ~ 1 0
2 Gaia DR3 4689639301203677952 * 00 24 16.6123088393 -72 04 27.690463076           ~ 2 1
3 GALEX J002428.4-102443 ** 00 24 28.4486470320 -10 24 43.522750620           DA+M 7 0
4 2MASS J00242866-1024411 * 00 24 28.6654554556 -10 24 41.167225523           ~ 1 0
5 NGC 246 PN 00 47 03.3420341616 -11 52 18.971126076 10.15 11.52 11.76 12.18   PG1159 489 0
6 UCAC4 391-000857 ** 00 47 03.5439913392 -11 52 21.459199404       14.13   ~ 3 0
7 SDSS J004759.41+033747.3 * 00 47 59.4079702839 +03 37 47.147651920           F6V 1 0
8 PB 6168 HS* 00 47 59.4636858864 +03 37 44.562241560   12.52 12.32 12.53   sdB 14 0
9 UCAC4 640-003262 * 00 54 39.1568310599 +37 50 40.885501879   16.052 15.520 15.375   ~ 1 0
10 2MASS J00543988+3750373 WD* 00 54 39.8700156768 +37 50 37.158590040           D 7 0
11 LP 707-18 A WD* 01 10 55.3141378704 -10 20 12.132065184           DA 18 0
12 LP 707-18 B PM* 01 10 55.3455308400 -10 20 13.716397536           M 2 0
13 2MASS J01365362+0716008 * 01 36 53.6286522603 +07 16 00.791223484           ~ 2 0
14 V* AY Psc CV* 01 36 55.4595948432 +07 16 29.272748916   16.43 16.28 15.79   ~ 61 0
15 GALEX J014245.9-094730 WD* 01 42 46.0119433272 -09 47 30.857016552           DC 6 0
16 2MASS J01424617-0947297 PM* 01 42 46.1831131046 -09 47 29.612124942           M 1 0
17 2MASS J01531550+3543322 * 01 53 15.4841388234 +35 43 32.533144272           ~ 1 0
18 FBS 0150+354 HS* 01 53 17.7963583176 +35 42 04.920836652   15.58 15.75 15.77   sdB 12 0
19 UCAC4 152-001731 * 01 54 00.8955157748 -59 47 57.609579092           ~ 2 0
20 RX J0154.0-5947 CV* 01 54 00.9316590192 -59 47 49.095380292         16.03 ~ 22 0
21 ASASSN -14jq CV* 02 21 02.8204288248 +73 22 44.968456020           ~ 9 0
22 2MASS J02213322+3243191 * 02 21 33.2302081273 +32 43 19.210149613           ~ 3 0
23 HS 0218+3229 CV* 02 21 33.4824194472 +32 43 23.886726456           ?+K5e 28 0
24 UCAC4 818-006466 * 02 22 25.5766315443 +73 27 48.120234981       15.611   ~ 1 0
25 2MASS J02261557-0104300 * 02 26 15.5679082575 -01 04 30.069401010           ~ 1 0
26 GALEX J022615.6-010426 ** 02 26 15.6975768192 -01 04 23.824740756           ?+D 2 0
27 SDSS J023650.60-010313.3 ** 02 36 50.6077490952 -01 03 13.338576936   18.7       DA+M 18 0
28 2MASS J02365087-0102518 * 02 36 50.8778885722 -01 02 51.821572128           ~ 1 0
29 SDSS J023957.13+425802.5 * 02 39 57.1287934882 +42 58 02.730695214           ~ 1 0
30 UCAC4 665-012005 HS? 02 39 57.2092681776 +42 58 00.679922868   13.623 13.734 13.940   ~ 4 0
31 2MASS J02451914+0111569 * 02 45 19.1204893968 +01 11 57.308813160           dM 8 0
32 GALEX J024519.0+011157 WD* 02 45 19.1964613536 +01 11 56.113649736           DA 1 0
33 2MASS J02464256+0041372 ** 02 46 42.5574093864 +00 41 37.120650540           dMe+DA 25 0
34 UCAC4 454-003473 * 02 46 42.7984155358 +00 41 55.091875038   17.440 16.132 15.918   ~ 1 0
35 PB 6908 WD* 02 52 02.4622935936 -01 05 15.762102432           DA 26 0
36 SDSS J025202.57-010515.4 LM* 02 52 02.5758904200 -01 05 15.412653384           M0 5 0
37 PB 7003 WD* 03 06 07.1909714208 -00 31 14.373852924   16.463 16.258     DA2+dM 39 0
38 UCAC4 447-004057 Em* 03 06 50.4192730695 -00 38 24.764879207   12.661 11.801 11.791   G7 5 0
39 UCAC2 45293164 * 03 07 16.1666714904 +38 48 21.477723624       15.89   ~ 1 0
40 SDSS J030716.44+384822.8 SB* 03 07 16.4510153952 +38 48 22.910725260           M3+DA 7 0
41 UCAC4 445-004604 * 03 25 10.6559171712 -01 11 14.469907740   16.62 15.55 15.57   M1.25 14 0
42 SDSS J032510.84-011114.2 WD* 03 25 10.8458031144 -01 11 14.249282496           DA 21 0
43 GALEX J041104.4+341839 HS* 04 11 04.3617624360 +34 18 38.935984788   16.488 16.347     sdB 9 0
44 2MASS J04110637+3419347 * 04 11 06.3817000226 +34 19 34.845278811           ~ 1 0
45 2MASS J05033293-2827118 * 05 03 32.9301056132 -28 27 11.862509338           ~ 2 0
46 EC 05015-2831 HS* 05 03 34.4636237376 -28 27 17.248245804 11.67 12.85 12.18     sdOB+F 10 0
47 V* TX Col B * 05 43 20.1155439899 -41 01 54.309614263           ~ 2 0
48 V* TX Col A HS? 05 43 20.3350719272 -41 01 54.994548247       14.979   ~ 6 0
49 UCAC4 388-010062 * 05 46 12.2041459853 -12 32 18.279287062   14.821 14.061 13.884   ~ 1 0
50 GALEX J054614.2-123149 HS? 05 46 14.3156984496 -12 31 49.676168424       15.572   ~ 4 0
51 UCAC4 507-015868 * 05 52 59.3967895133 +11 19 23.179754338       14.508   ~ 1 0
52 UCAC4 507-015874 HS? 05 52 59.9413351488 +11 18 45.983513988   13.367 13.384 13.534   ~ 9 0
53 ATO J089.8611+45.3213 CV* 05 59 26.6760016320 +45 19 16.943874564   12.88 12.93 12.84   ~ 8 0
54 2MASS J05592684+4519204 * 05 59 26.8424289630 +45 19 20.708306964           ~ 1 0
55 V* AH Men B * 06 11 43.8797080820 -81 49 22.670982776           ~ 3 0
56 V* AH Men A HS? 06 11 45.1647618648 -81 49 23.735428392           ~ 7 0
57 GALEX J063952.0+515658 HS* 06 39 52.1822938800 +51 57 01.262380032   11.84 12.00     sdBHe1 21 0
58 UCAC4 710-044575 * 06 39 52.9341325782 +51 57 00.608888897       13.834   ~ 2 0
59 FBS 0638+428 HS* 06 41 48.5572547112 +42 48 20.588012136   14.11 14.21 14.34   sdB 19 0
60 2MASS J06414857+4248168 * 06 41 48.5629524605 +42 48 16.818666606           ~ 1 0
61 CPD-73 420B PM* 06 57 36.5063851848 -73 24 49.663919232   12.49 11.86     ~ 1 0
62 CPD-73 420 ** 06 57 36.745848 -73 24 49.59432   11.30 11.23 11.47   ~ 14 0
63 CPD-73 420A HS* 06 57 36.9108391080 -73 24 49.578515892   11.66 12.14     sdB 8 0
64 GALEX J070134.1-671739 HS* 07 01 34.2389921616 -67 17 40.595252028   12.91 13.10 13.43   sdB 8 0
65 UCAC4 114-013997 * 07 01 37.6111885060 -67 15 25.699182819   16.208 15.200 14.970   ~ 1 0
66 Gaia DR3 5614913211099174656 * 07 37 15.8624678162 -25 14 52.767972920           ~ 1 0
67 UCAC4 324-028926 HS? 07 37 19.5070863696 -25 13 03.206708400   13.995 14.000 14.696   ~ 3 0
68 2MASS J08003364+1924151 * 08 00 33.6451091252 +19 24 15.142613735           ~ 2 0
69 CRTS J080033.8+192416 CV* 08 00 33.8651365848 +19 24 16.610190624           ~ 11 0
70 UCAC4 484-042564 * 08 01 20.4398208634 +06 46 11.523116060   17.153 16.509 16.091   M 1 0
71 SDSS J080120.47+064614.7 WD* 08 01 20.4771507480 +06 46 14.807542404           DA 8 0
72 * zet01 Cnc A PM* 08 12 12.7204108896 +17 38 51.509311944   5.85 5.31     ~ 124 0
73 * zet01 Cnc ** 08 12 12.72637 +17 38 51.9615           ~ 158 0
74 * zet01 Cnc B PM* 08 12 12.8122502523 +17 38 52.145328431   6.80 6.17     ~ 108 0
75 Gaia DR3 907874108334409856 * 08 13 27.9265081439 +37 32 44.844877017           ~ 1 0
76 2MASS J08132794+3732456 LM* 08 13 27.9393543599 +37 32 45.629471978           M1V 4 0
77 2MASS J08164740+5340175 ** 08 16 47.4042514080 +53 40 17.631255360           dM2+D 5 0
78 UCAC4 719-048053 * 08 16 47.6929036803 +53 40 06.201013616           ~ 1 0
79 GALEX J082517.9+113107 HS* 08 25 17.9930006808 +11 31 06.306309732   14.583 14.376 14.767   sdB 19 0
80 SDSS J082518.17+113106.1 * 08 25 18.1742061576 +11 31 06.159215316           F8V 3 0
81 GALEX J082823.5+470001 WD* 08 28 23.5582009488 +47 00 01.371106404           DA 13 0
82 UCAC3 275-111684 PM* 08 28 23.6073338040 +47 00 05.784778548   17.35 16.11 15.89   M 3 0
83 PG 0834+501 WD* 08 37 37.3382291952 +49 52 27.883471980   15.054 15.323 15.761   DAO.8 35 0
84 2MASS J08373868+4953103 * 08 37 38.6847029201 +49 53 10.552079730           ~ 1 0
85 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
86 Gaia DR3 690626278727938560 * 08 43 16.5713142553 +25 03 42.062292458           G0V 2 0
87 GALEX J084316.4+250340 HS* 08 43 16.5826594689 +25 03 39.713960221           sdB 4 0
88 SDSS J084518.66+055911.7 LM* 08 45 18.6647084808 +05 59 11.737221972           M2V 4 0
89 Gaia DR3 583017522392559232 WD* 08 45 18.7504026000 +05 59 11.902360920           DA 1 0
90 GALEX J085426.2+374653 WD* 08 54 26.2665941904 +37 46 53.114751480           DA 7 0
91 2MASS J08542642+3746512 * 08 54 26.4221952264 +37 46 51.208238280           dM2 1 0
92 2MASS J09121835+1503348 * 09 12 18.3436481904 +15 03 34.983165276           ~ 1 0
93 GALEX J091218.4+150335 WD* 09 12 18.4832614056 +15 03 34.325254044           DA 9 0
94 GALEX J091508.1+415558 WD* 09 15 08.1130768704 +41 55 58.370550492           DA 12 0
95 2MASS J09150822+4155594 * 09 15 08.2200120744 +41 55 59.549173212           M2 1 0
96 GALEX J092203.4+394002 WD* 09 22 03.3639076848 +39 40 02.088304788           DA 8 0
97 2MASS J09220344+3940033 * 09 22 03.4466616840 +39 40 03.279850644           dM3 5 0
98 LAMOST J093809.16+143048.0 WD* 09 38 09.1634618616 +14 30 48.048089724           DA 14 0
99 SDSS J093809.28+143037.0 ** 09 38 09.2896463832 +14 30 37.036961388           dM3+D 7 0
100 2MASS J09390908-0248319 * 09 39 09.0820076374 -02 48 32.050236169           ~ 1 0
101 PN A66 33 PN 09 39 09.1418645928 -02 48 30.486998664           DAO 151 0
102 UCAC4 385-055176 * 09 45 34.9126827728 -13 10 09.219822226   15.407 14.915 14.893   ~ 1 0
103 PN A66 34 PN 09 45 35.3370795504 -13 10 15.835149732   16.06 16.32     ~ 76 0
104 PG 0948+041 HS* 09 51 01.2879260424 +03 47 56.959039356   15.770 15.895 16.059   sdB+D 33 0
105 GALEX J095756.7+361444 WD* 09 57 56.8180332360 +36 14 45.281346216           DC 11 0
106 2MASS J09575698+3614446 PM* 09 57 56.9781004440 +36 14 44.536052652           dM 1 0
107 UCAC4 174-045583 HS? 10 10 55.7815852824 -55 18 35.392489776       14.651   ~ 4 0
108 UCAC4 174-045584 * 10 10 55.8168648201 -55 18 39.691161780       14.534   ~ 1 0
109 2MASS J10195704+2833275 * 10 19 57.0429404208 +28 33 27.306861228           M3.3 2 0
110 2MASS J10195862+2833403 LM* 10 19 58.6132616392 +28 33 40.184543871           M2V 8 0
111 2MASS J10211818+2651013 PM* 10 21 18.1774980742 +26 51 01.237687102           ~ 1 0
112 UCAC4 585-045695 PM* 10 21 18.8810638420 +26 50 59.149989610   15.743 14.483 14.104   ~ 1 0
113 2MASS J10395534+3106427 * 10 39 55.3467764832 +31 06 42.629442948           dM1 1 0
114 Ton 534 WD* 10 39 55.4539375896 +31 06 43.618163328           DBA 15 0
115 2MASS J10401478-8056399 * 10 40 14.8059827171 -80 56 40.059134155           ~ 1 0
116 UCAC4 046-007921 HS? 10 40 17.7151539864 -80 56 22.278846696   13.851 13.965 14.315   ~ 3 0
117 BD-00 2378 * 10 49 59.1776583312 -00 47 30.006096180   10.80 10.12     F8 11 0
118 BD-00 2378B ** 10 49 59.8018074240 -00 47 19.053595896           DA+dM 18 0
119 2MASS J10560746+5839412 * 10 56 07.4637400224 +58 39 41.180869152           M 2 0
120 GALEX J105607.4+583943 WD* 10 56 07.5419934216 +58 39 43.325544240           DA 8 0
121 UCAC4 527-051754 * 10 58 05.7069035762 +15 22 18.857991149   13.660 13.031 12.900   ~ 1 0
122 2MASS J10580604+1522258 ** 10 58 06.0341708400 +15 22 25.895048052           M+D 3 0
123 GALEX J105845.1+164714 WD* 10 58 45.2298347568 +16 47 13.490001708           DA 1 0
124 SDSS J105845.26+164714.9 LM* 10 58 45.2814199200 +16 47 14.799973812   17.47 16.97     M1V 5 0
125 GALEX J110055.9+105542 HS* 11 00 55.9516210776 +10 55 42.328549164   14.05 14.16 14.65   sdB 15 0
126 UCAC4 505-053396 * 11 00 55.9867022693 +10 55 33.700047171       16.197   ~ 6 0
127 SDSS J111046.28+612225.2 ** 11 10 46.2893238288 +61 22 25.295311740           ?+D 2 0
128 2MASS J11104831+6122002 * 11 10 48.3338598184 +61 22 00.228446002           ~ 1 0
129 2MASS J11161574+5905091 * 11 16 15.7444368183 +59 05 09.220766202           M 3 0
130 GALEX J111615.7+590510 WD* 11 16 15.7584876719 +59 05 10.310729588           DA 1 0
131 WD 1118+591 WD* 11 21 18.0572871048 +58 50 36.548294532           D 1 0
132 SDSS J112118.04+585036.5 * 11 21 18.1217653512 +58 50 37.825244268           M0 3 0
133 V* MR UMa CV* 11 31 22.3979617152 +43 22 38.474604624           ~ 47 1
134 UCAC4 667-056585 * 11 31 22.5528111837 +43 22 33.281150402       15.712   ~ 3 0
135 US 2947 WD* 11 47 16.0792022784 +29 39 30.345911748   18.6       DA+M 12 0
136 2MASS J11471782+2939089 * 11 47 17.8405699227 +29 39 09.118973982           ~ 1 0
137 LBQS 1146-0130A WD* 11 49 13.5249723216 -01 47 28.524309864           DA 12 0
138 LBQS 1146-0130B * 11 49 13.5779078328 -01 47 27.006482328           dM 6 0
139 CD-22 9142B * 11 50 38.3192460085 -23 20 32.536628017       14.434   ~ 1 0
140 CD-22 9142 HS* 11 50 38.8492465464 -23 20 34.600310232   11.57 11.79     sdOB 30 0
141 UCAC4 505-054494 * 11 55 53.0453523602 +10 53 11.679776298   16.615 15.384 14.940   ~ 1 0
142 GALEX J115553.9+105255 ** 11 55 53.9722082400 +10 52 55.067786724           DA+M3 6 0
143 2MASS J11584655+1715463 * 11 58 46.5754103526 +17 15 46.584115132           ~ 1 0
144 PB 3750 ** 11 58 48.8751356328 +17 15 52.931520612   17       DA+M 15 0
145 2MASS J12212401-6813504 HS? 12 21 24.0555773904 -68 13 50.261938320           ~ 6 0
146 Gaia DR3 5856360776271617024 * 12 21 28.3398732302 -68 13 38.185467248           ~ 1 0
147 HD 110698 ** 12 44 34.9722498288 -57 17 12.848313876   6.710 6.641     A0IV/V 34 0
148 2MASS J12480879+6057289 * 12 48 08.8190308968 +60 57 28.960224948           ~ 1 0
149 GALEX J124808.7+605726 WD* 12 48 08.9394559152 +60 57 26.516084832           DA 7 0
150 UCAC4 470-047303 * 12 49 51.7257504474 +03 58 49.679581732   16.659 15.509 15.221   ~ 1 0
151 PG 1247+042 CV* 12 49 59.7521839512 +03 57 26.611682868   16.84 16.69 16.46   DAe+M 21 0
152 GD 319 ** 12 50 04.422072 +55 06 02.11932   12.398 12.259 12.147   sdOB+K3V 88 0
153 Ton 139 HS* 12 56 04.893960 +28 07 19.51716   12.922 12.759 12.866   sdB+F8V 54 0
154 SBSS 1309+550A LM* 13 11 56.6856208104 +54 44 55.712076936           dM1 12 0
155 SBSS 1309+550B WD* 13 11 56.8185942048 +54 44 55.021691184           DA 14 0
156 Gaia DR3 6083515858449657344 * 13 27 25.7699348372 -47 31 48.403456414           ~ 1 0
157 UCAC4 213-086543 HS? 13 27 42.1475518896 -47 33 24.854921352       15.814   ~ 2 0
158 SDSS J134624.89+021734.2 LM* 13 46 24.8898455208 +02 17 34.172933100           M3V 6 0
159 SDSS J134624.97+021733.9 WD* 13 46 24.9692995104 +02 17 33.906355728           D 1 0
160 2MASS J13590738+2942095 * 13 59 07.3693015008 +29 42 09.489461076           M 2 0
161 GALEX J135907.5+294208 WD* 13 59 07.5078559512 +29 42 09.141246252           DC 5 0
162 2MASS J14082944+5940587 * 14 08 29.4361191356 +59 40 59.156906613           ~ 2 0
163 Feige 91 HS* 14 08 32.2307108736 +59 40 25.466557728   13.199 13.418 13.777   sdB 36 0
164 SDSS J142149.14+382833.3 WD* 14 21 49.1629180104 +38 28 33.274297992           DA 4 0
165 2MASS J14214942+3828318 * 14 21 49.4169855024 +38 28 31.807623540           ~ 1 0
166 2MASS J14295117+5759492 SB* 14 29 51.1906922112 +57 59 48.976316700           M3+D 11 0
167 UCAC4 740-052048 * 14 29 52.9955627610 +57 59 56.522250420   15.318 14.261 14.043   ~ 4 0
168 UCAC4 200-092588 HS? 14 32 59.1933642312 -50 01 46.922842020   16.017 16.142     ~ 6 0
169 2MASS J14330094-5002121 * 14 33 00.9602301559 -50 02 12.054528764           ~ 1 0
170 SBSS 1434+526 WD? 14 36 01.4088012864 +52 27 40.255726320           ~ 8 0
171 2MASS J14360144+5227424 * 14 36 01.4462931720 +52 27 42.523002792           ~ 1 0
172 UCAC4 739-051814 * 14 36 29.2691982571 +57 46 54.518790389       15.983   ~ 1 0
173 2MASS J14364201+5741462 SB* 14 36 42.0150602304 +57 41 46.295783664           M3+D 8 0
174 GALEX J145248.7+234808 ** 14 52 48.7934104680 +23 48 07.493480496           DA+M 5 0
175 2MASS J14524912+2348111 * 14 52 49.1268756142 +23 48 11.170787791           ~ 1 0
176 UCAC4 478-056827 * 14 56 41.2657959668 +05 30 59.899560916       15.619   ~ 1 0
177 GALEX J145642.7+053101 ** 14 56 42.7157591160 +05 31 01.841387304           DA+M 7 0
178 Gaia DR3 5903916333476091264 * 15 16 04.1987084603 -46 11 38.185681118           ~ 1 0
179 UCAC4 219-095167 HS? 15 16 13.7381655384 -46 12 27.712288152   13.765 13.570 13.813   ~ 2 0
180 HD 136176B PM* 15 18 20.1366558624 +26 50 25.032107040   7.89 7.35     ~ 13 0
181 HD 136176A ** 15 18 20.2578118368 +26 50 25.332641268   7.82 7.25     ~ 31 0
182 2MASS J15282600+1559149 * 15 28 25.9955536492 +15 59 15.065264993           M0 2 0
183 GALEX J152826.0+155916 WD* 15 28 26.0433181891 +15 59 16.387912046           DA 6 0
184 2MASS J15300944+3844436 * 15 30 09.4432887574 +38 44 43.784122106           ~ 1 0
185 SDSS J153009.49+384439.8 ** 15 30 09.4947886680 +38 44 39.794122680           M2+DA 5 0
186 HD 137737 Pe* 15 32 24.8900294112 -69 56 54.684351024   9.62 9.61     B9III 6 0
187 Gaia DR3 5820064282518171648 HS? 15 32 24.9727182552 -69 56 57.301495476           ~ 4 0
188 V* NY Lup XB* 15 48 14.5961462732 -45 28 39.918849218       14.544   K0/3Ve 109 0
189 Gaia DR3 5988071579074013824 * 15 48 17.9622556433 -45 28 17.657374130           ~ 1 0
190 UCAC4 638-051427 * 15 48 43.3218074179 +37 27 31.229510003       16.212   ~ 1 0
191 SDSS J154843.79+372749.7 ** 15 48 43.8096479520 +37 27 49.764815244           M+DA 14 0
192 2MASS J15511774-4827537 * 15 51 17.7468269958 -48 27 53.968737112           ~ 1 0
193 Gaia DR3 5983018743361688064 HS? 15 51 17.8091579784 -48 27 51.788973024           ~ 2 0
194 KUV 15503+2036A WD* 15 52 32.5051698939 +20 27 15.212807320           DA 12 1
195 KUV 15503+2036B * 15 52 32.5692170083 +20 27 14.975216754           M4 4 0
196 SDSS J155735.36+155817.1 WD* 15 57 35.3691437400 +15 58 17.260307364           DA 8 0
197 2MASS J15573545+1558164 * 15 57 35.4488954592 +15 58 16.996550160           M 5 0
198 UCAC4 190-121347 HS? 15 57 47.1678367296 -52 04 13.768208796   13.156 13.300 13.511   ~ 5 0
199 2MASS J15575158-5204253 * 15 57 51.5857578073 -52 04 25.246328304           ~ 1 0
200 Gaia DR2 5984221987004209920 * 16 00 47.3942505621 -48 46 08.216345812           ~ 1 0
201 V* V453 Nor CV* 16 00 47.4598134015 -48 46 05.046907372   17.9 16.8     ~ 22 0
202 Gaia DR3 5832927640879800064 * 16 09 46.4488172328 -60 20 54.123897156           ~ 1 0
203 UCAC4 149-179913 HS? 16 09 49.3832072328 -60 19 19.137619992   14.809 14.808 15.160   ~ 3 0
204 GALEX J162020.9+214542 WD* 16 20 20.9217671304 +21 45 43.102204776           DA 11 0
205 2MASS J16202098+2145413 * 16 20 20.9856187080 +21 45 41.262945264           ~ 1 0
206 SDSS J170127.36+253302.6 LM* 17 01 27.3663449400 +25 33 02.747679768           M3 3 0
207 GALEX J170127.5+253302 WD* 17 01 27.5001620208 +25 33 02.845258740           DA 4 0
208 Gaia DR3 5938578510554279552 * 17 04 50.9249845487 -49 21 15.090309816           ~ 1 0
209 UCAC4 204-135953 HS? 17 05 06.3185745048 -49 22 29.539479252       15.831   ~ 3 0
210 GALEX J170546.6+274028 WD* 17 05 46.6135623264 +27 40 28.234668540           DA 10 0
211 2MASS J17054669+2740307 * 17 05 46.6807662552 +27 40 30.587094192           dM4 1 0
212 Gaia DR3 4112632469562573568 * 17 06 18.0448671628 -25 10 45.170423995           ~ 1 0
213 Gaia DR3 4112632469609705472 HS? 17 06 18.1001100792 -25 10 44.133247128           ~ 3 0
214 Gaia DR3 1419718379044501632 * 17 24 38.9381695320 +55 15 59.711569092           ~ 1 0
215 Gaia DR3 1419718383339799168 * 17 24 39.0736674816 +55 16 00.141804948           ~ 1 0
216 GALEX J173430.1+335407 ** 17 34 30.1186417416 +33 54 07.544885436           DA+M 2 0
217 2MASS J17343021+3354109 * 17 34 30.2130650704 +33 54 10.973412791           ~ 1 0
218 Gaia DR3 5957303154940605696 WD? 17 46 12.4457763072 -42 04 10.507519812           ~ 4 0
219 UCAC4 166-197220 * 17 51 29.0578635838 -56 51 08.745756359   14.127 13.419 13.292   ~ 1 0
220 UCAC4 166-197228 HS? 17 51 32.1530038968 -56 51 16.626002976   16.626 16.433     ~ 4 0
221 UCAC4 528-070242 * 17 57 20.8198531104 +15 25 05.700492067       15.719   ~ 1 0
222 GALEX J175721.0+152502 HS? 17 57 21.0113853072 +15 25 02.107409124       15.014   ~ 5 0
223 HD 165522B HS? 18 01 23.1599898576 +65 56 51.833416848   9.96 9.38     ~ 8 0
224 HD 165522A * 18 01 23.2782474024 +65 56 55.375308422   8.43 7.96     ~ 24 0
225 V* MM CrA HS? 18 03 16.5258878424 -39 31 56.352219780       14.767   ~ 4 0
226 Gaia DR3 4035877933682412928 * 18 03 31.1444897420 -39 30 51.480561410           ~ 1 0
227 HD 166370A * 18 12 09.6661149746 -39 20 39.839566238   8.78 8.79     ~ 3 0
228 HD 166370B HS? 18 12 09.8100990048 -39 20 40.920460404   9.15 9.17     ~ 4 0
229 TYC 3533-2439-1 HS? 18 14 01.5325537752 +48 50 20.873212224   11.40 11.27     ~ 3 0
230 UCAC4 695-060368 * 18 14 02.5218411780 +48 49 35.873205123   17.935 16.650     ~ 1 0
231 UCAC4 229-172233 * 18 33 45.1589013218 -44 22 28.801391335       15.737   ~ 1 0
232 UCAC4 229-172238 HS? 18 33 45.9045579960 -44 22 30.586757196   12.650   13.225   ~ 3 0
233 BD+36 3302B HS? 18 52 53.3053724880 +36 14 04.274456064   10.99 10.66     ~ 5 0
234 BD+36 3302A * 18 52 53.4093377433 +36 14 03.582296057   9.73 9.455     ~ 2 0
235 UCAC4 349-159759 HS? 18 53 58.6578938712 -20 20 27.867233436       15.319   ~ 3 0
236 UCAC4 349-159798 * 18 54 02.0318724019 -20 20 24.882885912       15.810   ~ 1 0
237 Gaia DR3 6632375501638566912 * 19 10 09.3436227285 -60 00 09.289920850           ~ 1 0
238 Gaia DR3 6632372237462530048 * 19 10 29.4524991530 -60 01 43.579400533           ~ 1 0
239 UCAC4 151-218532 HS? 19 10 32.7221721648 -59 59 29.807477988       14.601   ~ 2 0
240 Gaia DR3 6632375673442542720 * 19 10 37.7703024613 -59 58 43.359247623           ~ 1 0
241 NGC 6752 50 HS? 19 10 51.7528892304 -59 56 34.102727628   14.53 14.44     ~ 4 0
242 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0
243 Gaia DR3 6638376567387480704 * 19 11 04.6748284533 -60 00 18.000336514           ~ 1 0
244 SDSS J192306.00+620310.7 ** 19 23 06.0151682904 +62 03 10.708994160           M1+DA 5 0
245 SDSS J192306.35+620313.0 * 19 23 06.3544945019 +62 03 13.127032667           ~ 1 0
246 2MASS J19261589+3834001 * 19 26 15.8972825912 +38 34 00.071290757           ~ 1 0
247 SDSS J192616.13+383400.8 WD* 19 26 16.1461608024 +38 34 00.999383628           DA 11 0
248 LF 1 +05 109B * 19 30 50.6628438031 +05 30 56.611436716           ~ 2 0
249 LF 1 +05 109 CV* 19 30 50.7587313552 +05 30 58.265433684   11.274 10.736 10.609   F8 14 0
250 Gaia DR3 4301614737148533504 * 19 46 44.5126767470 +09 15 21.465565810           ~ 1 0
251 UCAC4 497-115708 HS? 19 46 46.5135403320 +09 15 23.417557236   16.168 16.118     ~ 4 0
252 CD-42 14462 CV* 19 47 40.5290567472 -42 00 26.395115580 9.65 10.362 10.308 10.520   sdB 243 0
253 CD-42 14462B PM* 19 47 41.0582040055 -42 00 29.954492374           ~ 2 0
254 UCAC4 544-106448 HS? 19 49 30.3465041664 +18 39 27.729008496       14.642   ~ 3 0
255 UCAC4 544-106450 * 19 49 30.5338545572 +18 39 28.402160187           ~ 1 0
256 UCAC4 624-085122 Em* 19 51 19.8660105024 +34 47 49.688911860       14.996   ~ 4 0
257 Gaia DR3 2035566558436603392 * 19 51 39.2126990064 +34 49 37.143293032           ~ 1 0
258 UCAC4 564-097265 * 19 59 36.1052329752 +22 43 10.971328589           ~ 1 0
259 M 27 PN 19 59 36.3631850088 +22 43 16.312059552   13.749 14.089 14.247 14.405 DAO.6 605 0
260 UCAC4 494-123271 * 20 03 27.8915821759 +08 39 06.322163047   13.214 12.514 12.250   ~ 2 0
261 ATO J300.8707+08.6463 EB* 20 03 28.9742912136 +08 38 47.216655060   14.406 14.738 14.662   ~ 11 0
262 TYC 4454-1229-1 HS? 20 03 46.2988110984 +71 36 24.008762196   10.36 10.40     ~ 8 0
263 PSO J300.9446+71.6070 * 20 03 46.6527206435 +71 36 24.808137685           ~ 1 0
264 HD 354615B ** 20 04 08.8883447400 +16 59 57.213222648   9.70 9.43     ~ 7 0
265 Wolf 1130 PM* 20 05 02.1950576493 +54 26 03.234326252   11.970 13.883     sdM1 153 0
266 SDSS J204711.40+002127.5 WD* 20 47 11.4006962016 +00 21 27.734977080           DA 16 0
267 GALEX J204713.6+002203 WD* 20 47 13.6809702168 +00 22 03.972746892           DC 15 0
268 Gaia DR3 6884185998226359552 * 21 12 30.8799801473 -15 24 11.810916102           ~ 3 0
269 GALEX J211230.9-152410 HS* 21 12 30.884280 -15 24 12.46608   12.419 12.417 12.620   sdOHe 5 0
270 Gaia DR3 6884185998227170304 * 21 12 30.8864993460 -15 24 12.755967324           ~ 3 0
271 SDSS J213225.96+001430.5 WD* 21 32 25.9732687488 +00 14 30.612701580           DA2.9 4 0
272 2MASS J21322604+0014323 * 21 32 26.0485953648 +00 14 32.761679856           M4 1 0
273 UCAC4 446-136013 HS? 21 33 24.2689692552 -00 50 23.078360076       15.994   ~ 2 0
274 Gaia DR3 2686850386972924544 * 21 33 26.8081527338 -00 47 24.307550356           ~ 1 0
275 NGC 7089 4016 * 21 33 29.0802659466 -00 51 01.182809204       16.293   ~ 2 0
276 EC 21494-7018 HS* 21 53 41.2522034136 -70 04 31.442873916 10.50 11.35 11.57     sdB 28 0
277 2MASS J21534227-7004456 * 21 53 42.2991995988 -70 04 45.880839579           ~ 1 0
278 ZTF J225607.71+595428.9 BY* 22 56 07.6853932008 +59 54 28.657011276   14.539 13.746 13.828 11.63 ~ 7 0
279 ZTF J225608.47+595430.2 CV* 22 56 08.4498209280 +59 54 30.021045768   15.51   14.153 14.093 ~ 12 0
280 KPD 2254+5444 HS* 22 57 02.6544437712 +55 00 13.433683104 13.49 14.46 14.37 14.54   sdB 13 0
281 2MASS J22570272+5500168 * 22 57 02.7440276602 +55 00 16.761741530           ~ 2 0
282 PB 5221 ** 23 02 02.4934707552 -00 09 30.297107124           DA+dM 6 0
283 TYC 5242-763-1 * 23 02 02.9430217488 -00 09 42.729923232   11.565 10.878 11.016   ~ 1 0
284 UCAC4 776-052825 * 23 10 33.4238605542 +65 00 24.151692224       13.449   ~ 1 0
285 UCAC4 776-052827 RR* 23 10 34.2073896600 +65 00 33.726243240       14.625   ~ 7 0
286 UCAC4 450-137867 * 23 39 18.9364525980 -00 02 28.514911476       15.880   ~ 1 0
287 Gaia DR3 2642852260954014848 * 23 39 19.6372217976 -00 02 33.469039500           ~ 1 0
288 Gaia DR3 2642852260954740480 * 23 39 19.6788831624 -00 02 34.386908928           ~ 1 0
289 Gaia DR3 1925448205463385344 HS? 23 43 17.4357608112 +42 55 44.957220852           ~ 4 0
290 Gaia DR3 1925448205467420160 * 23 43 17.5379392141 +42 55 45.318341295           ~ 1 0
291 GALEX J234442.4+293902 WD? 23 44 42.4516713600 +29 39 02.394929916           ~ 4 0

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