2024ApJS..271...21L

Query : 2024ApJS..271...21L

2024ApJS..271...21L - Astrophys. J., Suppl. Ser., 271, 21 (2024/March-0)

He-rich Hot Subdwarf Stars Observed in Gaia DR3 and LAMOST DR7: Carbon and Nitrogen Abundances and Kinematics.

LUO Y., NEMETH P., WANG K. and PAN Y.

Abstract (from CDS):

We conducted an analysis of the abundances of He, C, and N in 210 He-rich hot subdwarfs observed within both the Gaia Data Release 3 (DR3) and LAMOST DR7 data sets. This analysis involved fitting the LAMOST spectra with TLUSTY/SYNSPEC non-LTE synthetic spectra. By examining the Galactic spatial positions, velocity vectors, and orbital parameters of these stars, we determined their Galactic population memberships utilizing LAMOST radial velocities and Gaia DR3 parallaxes along with proper motions. Our investigation revealed two positive correlations of C and one positive correlation of N with respect to the He abundance. We found a clear C abundance dichotomy where approximately 82% of the stars show N enrichment above the solar value. Moreover, we observed a bimodal distribution of C abundances, prominently evident in both the Galactic thin and thick disks but absent in the halo population. Furthermore, we found that the scenario of the merger channel of double helium white dwarfs is inadequate to explain the formation of C-deficient He-rich hot subdwarfs.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Subdwarf stars

VizieR on-line data: <Available at CDS (J/ApJS/271/21): table3.dat>

Simbad objects: 204

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Number of rows : 204
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 UCAC4 685-001272 HS* 00 11 44.7487808112 +46 48 06.789050892   14.220 14.451 14.764   sdOBHe 10 0
2 GALEX J002433.0+264910 HS* 00 24 33.0245020056 +26 49 10.125792768           sdOBHe 9 0
3 HS 0025+3423 HS* 00 27 47.8039672488 +34 40 26.552066880   15.62 15.85 16.15   sdBHe 16 0
4 KPD 0033+5229 HS* 00 35 52.3577130768 +52 45 49.486974192 14.87 15.66 15.43 16.23   sdO 12 0
5 FBS 0035+343 HS* 00 38 01.7278799496 +34 31 56.274645828           sdOBHe33 16 0
6 PB 6221 HS* 00 57 01.1009709936 +08 25 24.190502700   16       sdB/sdO 8 0
7 LAMOST J010223.99+485245.3 HS* 01 02 23.9937723960 +48 52 45.329737836           sdOBHe 9 0
8 HS 0110+3222 HS* 01 12 54.0854863464 +32 38 02.066846748   15.81 16.06 16.85 16.08 sdO 10 0
9 PG 0113+259 HS* 01 15 54.2714489328 +26 14 00.255222168   14.18 14.51     sdOB 19 0
10 GALEX J012630.2+503946 HS* 01 26 30.1858720704 +50 39 46.229139432           sdB/sdO 6 0
11 FBS 0132+370 HS* 01 35 23.9873274792 +37 20 28.207854168           sdOC 16 0
12 GALEX J014326.2+323439 HS* 01 43 26.1116405928 +32 34 39.747746208       15.617   sdBHe 11 0
13 GALEX J014640.5+411826 HS* 01 46 40.4952315240 +41 18 25.845869808   15.624 15.800 16.016   sdB 10 0
14 Feige 19 HS* 02 10 54.2120517144 +01 47 47.181644808   13.4 13.57     sdO9VIIHe39 31 1
15 FBS 0212+385 HS* 02 15 58.3800058464 +38 46 19.950310200   13.780 13.976 14.420   sdB/sdO 22 1
16 PG 0216+246 HS* 02 19 44.5907212800 +24 47 24.004306896   16.20 16.36 16.43   sdOD 14 0
17 GALEX J022125.9+085919 HS* 02 21 25.9285804992 +08 59 19.796453916           sdOBHe 10 0
18 Feige 26 HS* 02 40 04.3980894912 +03 55 42.252865248   13.75 14.10     sdO 28 0
19 PG 0240+046 HS* 02 43 22.7759776704 +04 50 36.322903536           sdBC0.2VIIHe24 32 0
20 KUV 02445+3633 HS* 02 47 34.9989408384 +36 45 50.363216604   12.82 13.01 13.27   sdOHe 22 0
21 PG 0310+149 HS* 03 13 37.1755354608 +15 06 21.265349004   15.36       sdO 22 0
22 KPD 0319+4553 HS* 03 22 38.9724557640 +46 04 33.745831140 13.00 13.86 13.65 13.79   sdO 12 0
23 HD 275347 HS* 03 27 17.7211907016 +41 03 44.625982824   10.302 10.193 10.294   sdB/sdO 15 0
24 UCAC4 551-007425 HS* 03 42 37.1432286216 +20 01 21.098400996           sdOBHe 10 0
25 HZ 3 HS* 03 53 31.3273180776 +10 45 04.059158544   12.8 12.86     sdO6He 27 0
26 UCAC4 633-017614 HS* 04 19 16.9552410528 +36 28 24.205888416   14.81 14.64 14.66   sdOBHe 9 0
27 GALEX J042542.2-060934 HS* 04 25 42.2580387912 -06 09 35.367146280           sdOBHe 9 0
28 RL 104 HS* 04 30 14.8595668608 +40 24 14.472634032   13.81 13.77 13.95   sdB/sdO 11 1
29 KUV 04421+1416 HS* 04 44 56.8983457992 +14 21 50.176351836   15.28       sdB 46 0
30 KUV 04456+1502 HS* 04 48 29.7902731272 +15 07 39.711004608     16.1     sdO 18 0
31 GALEX J045027.6+155910 HS* 04 50 27.6759212592 +15 59 10.028039028   16.804 16.638     sdOBHe 9 0
32 GALEX J045515.2+130530 HS* 04 55 15.2317052592 +13 05 29.689559052   17.6   17.3   sdB 20 0
33 GALEX J050650.6+193055 HS* 05 06 50.5754873208 +19 30 54.865284300   16.331 16.221     sdOHe 10 0
34 GALEX J052300.5+182727 HS* 05 23 00.5677093656 +18 27 27.099852660           sdBHe 13 1
35 UCAC4 450-010156 HS* 05 23 54.4215372264 -00 03 46.722922020   12.300 12.421 12.640   sdB/sdO 12 0
36 UCAC4 535-014568 HS* 05 27 50.7603323640 +16 54 33.133215744   15.827 15.758 15.893   sdOBHe 11 0
37 GALEX J053656.5+395516 HS* 05 36 56.4764268168 +39 55 18.780613896   13.85 13.94 14.16   sdOBHe16 11 0
38 UCAC4 630-027754 HS* 05 44 56.6115181848 +35 49 36.007703220   15.45 15.36 15.34   sdOBHe 9 0
39 LAMOST J054711.59+170919.5 HS* 05 47 11.5946411424 +17 09 19.598439816   16.48 16.50 16.43   sdBHe 14 1
40 KPD 0552+1903 HS* 05 55 40.3972375272 +19 04 25.792464180 13.85 14.79 14.68 14.75   sdO 15 0
41 ATO J089.4285+27.7808 RS* 05 57 42.8437335480 +27 46 51.112483500   15.498 15.366 15.654   sdB/sdO 12 0
42 LAMOST J055814.17+464025.3 HS* 05 58 14.1767009088 +46 40 25.397187708           sdOBHe 11 0
43 LAMOST J060000.23+112836.6 HS* 06 00 00.2397800136 +11 28 36.691840200   16.337 16.329     sdBHe 11 1
44 Lan 11 HS* 06 00 30.9804186120 +29 08 55.063311432   13.08 13.19 13.39   sdOBHe 15 0
45 UCAC4 498-020345 HS* 06 04 53.5026436296 +09 28 03.084741696   14.52 14.55 14.71   sdOHe 11 0
46 LAMOST J060806.00+461001.4 HS* 06 08 06.0036734088 +46 10 01.494800292           sdOBHe 10 0
47 GALEX J061205.9+473125 HS* 06 12 05.8685331168 +47 31 23.882896488           sdOBHe 9 0
48 GALEX J061313.0+345601 HS* 06 13 13.0485009024 +34 56 00.612438180   14.419 14.452 14.741   sdB 12 0
49 LAMOST J061924.34+234639.8 HS* 06 19 24.3521652024 +23 46 39.946774872           sdB/sdO 6 0
50 LAMOST J062836.51+325031.5 HS* 06 28 36.5177555112 +32 50 31.586197704   14.61 14.72 14.84   sdOBHe37 11 0
51 KUV 06290+2813 HS* 06 32 10.3650692832 +28 10 41.784129804   15.01 15.11 15.44   sdOBHe40 13 0
52 UCAC4 566-028577 HS* 06 33 35.3360342160 +23 08 55.680283896       15.681   sdOBHe 10 0
53 TYC 1337-283-1 HS* 06 35 17.9550039816 +20 35 32.847890532   11.47 11.25 11.36   sdB/sdO 13 0
54 LAMOST J063650.09+291925.0 HS* 06 36 50.0956065552 +29 19 25.037840820           sdOBHe 10 0
55 GALEX J064024.8+444720 HS* 06 40 24.8097512928 +44 47 19.272967656   13.467 13.468 13.510   sdB/sdO 6 0
56 LAMOST J064701.65+690625.2 HS* 06 47 01.6569527520 +69 06 25.348314024           sdB/sdO 6 0
57 GALEX J064918.3+235440 HS* 06 49 18.4351421064 +23 54 40.556077308   15.278 15.393 15.365   sdB/sdO 9 0
58 FBS 0649+403 HS* 06 52 43.5776793888 +40 17 37.745046492   13.96 14.20 14.54   sdOHe 14 0
59 SDSS J065256.41+120300.8 HS* 06 52 56.4175356984 +12 03 00.816477012           sdOBHe 9 0
60 FBS 0654+366 HS* 06 58 02.1274954848 +36 30 19.612963368   11.97 12.29     sdOA 16 0
61 HS 0657+5333 HS* 07 01 23.2174101504 +53 29 37.936381200   14.72 14.96 15.41   sdOHe 12 0
62 2MASS J07024049+1147418 HS* 07 02 40.5074940960 +11 47 41.636522652           sdOBHe 12 0
63 TYC 170-779-1 ** 07 07 28.7344567163 +05 35 58.049267428   11.423 11.298 11.378   A1V 5 0
64 LAMOST J070801.51+103510.1 HS* 07 08 01.5136199928 +10 35 10.139850960           sdB/sdO 8 0
65 LAMOST J070828.40+442534.8 HS* 07 08 28.4110579560 +44 25 35.097324636   16.17 16.17 16.47   sdBHe 14 1
66 GALEX J071401.4+693321 HS* 07 14 01.3623315360 +69 33 21.768706296           sdOBHe 14 0
67 [CW83] 0711+22 HS* 07 14 29.8719164568 +22 16 59.403812124   11.34 11.73 11.98   sdOp 15 0
68 GALEX J071503.2+750140 HS* 07 15 03.1025758872 +75 01 40.291238640           sdB/sdO 6 0
69 GALEX J071856.2+102637 HS* 07 18 56.2491325608 +10 26 38.354197200   15.692 15.796     sdOBHe 13 0
70 GALEX J072824.7+414953 HS* 07 28 24.7232775696 +41 49 53.716499796   15.663 15.772 15.476   sdO 16 1
71 LAMOST J072835.11+280239.1 HS* 07 28 35.1072859176 +28 02 39.196919832           sdOHe40 12 0
72 UCAC4 713-046745 HS* 07 34 09.2922798744 +52 30 28.900127592   14.581 14.831 14.830   sdB/sdO 6 0
73 HS 0735+4026 HS* 07 38 56.9878523280 +40 19 42.048056568   16.237 16.553     sdO 18 0
74 HS 0736+3953 HS* 07 40 02.9851940880 +39 46 33.007191780           sdOHe 14 0
75 GALEX J074125.1+125020 HS* 07 41 25.1092249368 +12 50 19.567641228           sdOBHe 9 0
76 GALEX J074441.8+210353 WD* 07 44 41.7986771424 +21 03 52.611069708           DA 12 0
77 HS 0741+3818 HS* 07 45 08.0544142344 +38 11 06.756220320   14.71 14.91 14.91   sdB 20 0
78 FBS 0742+337 HS* 07 46 13.1657190768 +33 33 07.672380696     15.944     sdOHe 21 0
79 LAMOST J075139.26+064604.8 HS* 07 51 39.2727336816 +06 46 04.867843260   13.30 13.46 13.80   sdOBHe30 13 0
80 GALEX J075234.2+161604 HS* 07 52 34.2974269704 +16 16 05.323834812   14.29 14.49 14.88   sdOHe 15 0
81 GALEX J075807.5-043203 HS* 07 58 07.5357287856 -04 32 05.276221296   12.36 12.18     sdO9.5VIIHe33 19 1
82 KUV 07564+3723 HS* 07 59 44.9739271704 +37 15 03.139532928   15.9 16.5 16.23   sdO 19 0
83 BD-03 2179 HS* 08 02 14.8870205088 -03 58 16.343922324 8.8 10.044 10.29 10.64 10.60 sdO 56 0
84 KUV 07596+4123 HS* 08 02 59.8050856152 +41 14 38.042876148   15.156 15.370 15.748   sdOBHe+F8V 25 0
85 GALEX J080833.7+180221 HS* 08 08 33.7723666464 +18 02 21.560080020           sdOHe 16 0
86 [CW83] 0825+15 HS* 08 28 32.8677329136 +14 52 02.481937284   11.57 11.82 12.01   sdBHe 41 0
87 Ton 927 HS* 08 33 20.3353408224 +20 24 24.725941524   11.237 11.353 11.640   sdB/sdO 28 0
88 [CW83] 0832-01 HS* 08 35 23.8750279080 -01 55 52.679960652   11.19 11.51     sdOp 29 0
89 PG 0838+133 HS* 08 41 43.8590911176 +13 04 29.982966348     13.66     sdOC7VIIHe40 29 1
90 PG 0845+129 HS* 08 48 44.7187372632 +12 41 47.937673680   16.68       sdOB 13 1
91 Ton 380 HS* 09 04 47.7086097240 +31 32 51.306026064   14.90 15.17 15.26   sdBHe 23 0
92 PG 0902+057 HS* 09 05 05.3568844320 +05 33 01.013354316   13.81 14.03     sdBN0VIIHe38 24 0
93 [CW83] 0904-02 HS* 09 07 08.1240247440 -03 06 13.987067328   11.72 12.25     sdO7.5VIHe39 40 0
94 PG 0909+276 HS* 09 12 51.6607835328 +27 20 31.396804260   11.92 12.10 12.62   sdB0.5VIIHe19 48 1
95 PG 0912+119 HS* 09 15 28.3818090072 +11 41 53.701661904   15.9   16.33   sdBHe 17 0
96 TYC 231-972-1 HS* 09 21 16.6097193456 +02 37 40.992150072   12.03 12.37     sdB 12 0
97 Ton 414 HS* 09 24 40.0702074072 +30 50 12.594990696   14.6 14.73     sdBN0VIIHe35 31 0
98 BD+48 1777 HS* 09 30 46.7817886272 +48 16 23.756157840   10.41 10.70     sdO9: 42 0
99 TYC 4895-599-1 HS* 09 41 05.3104726704 -00 47 55.776421032   12.187 12.482 12.757   sdB/sdO 9 0
100 Ton 1100 HS* 09 48 56.9607653232 +33 41 51.035810640   17.0   18.1   sdOHe 22 0
101 PG 0950+158 HS* 09 53 16.9030308336 +15 33 41.779158732   15.338 15.503 15.918   sdOBHe 16 0
102 GD 300 HS* 09 55 19.4677204416 +51 36 59.014376028 11.110 12.341 12.662 12.801 12.977 sdO 39 1
103 GALEX J095648.5+142241 HS* 09 56 48.5209222536 +14 22 40.886971032           sdOBHe 12 0
104 Ton 1137 HS* 09 59 56.0086253640 +35 39 59.158359792   15.15 15.32     sdOC 32 0
105 PG 1034+001 HS* 10 37 03.8002625256 -00 08 19.118365188 11.589 12.863 13.228 13.383 13.587 sdB/sdO 131 0
106 PG 1038+510 HS* 10 41 23.1384101040 +50 44 20.155602444   14.82 15.31     sdOHe 23 0
107 Ton 554 HS* 10 54 12.6736994088 +29 17 12.002536896   16.7   17.2   sdOB 20 0
108 GALEX J105759.3+470307 HS* 10 57 59.3697490344 +47 03 07.405360200           sdOHe 17 1
109 PG 1102+499 HS* 11 05 23.1629857152 +49 34 59.707344468   14.09 14.29 14.56   sdOB 18 0
110 PG 1127+019 HS* 11 30 03.7029891192 +01 37 37.249820904   13.01 13.853     sdOC9VIIHe40 26 1
111 Feige 46 HS* 11 37 26.3700943344 +14 10 14.108131740   12.94 13.24     sdO 67 0
112 GALEX J120352.2+235342 HS* 12 03 52.2529690368 +23 53 43.270697688           sdOBHe 11 0
113 GALEX J120359.8+105938 HS* 12 03 59.7756259848 +10 59 38.484704868           sdB 11 0
114 Ton 102 HS* 12 40 38.2821778056 +51 16 00.273651096   13.32 13.63 13.99   sdO 27 0
115 Ton 109 HS* 12 42 31.4034749568 +11 44 00.964887612   15.50 15.75 16.09   sdOC 27 0
116 PG 1249+762 HS* 12 50 39.9017033664 +75 53 00.164665608   15.0   15.98   sdOC2VIIIHe36 24 1
117 PG 1251+019 HS* 12 54 08.3239424832 +01 43 24.111086088   15.24       sdOHe 27 0
118 PG 1258+012 HS* 13 00 59.2051279416 +00 57 11.766735576   16.6   16.7   sdOHe 31 0
119 Ton 143 HS* 13 03 46.6257490224 +26 46 30.548073504   15.47 15.710 15.96   sdOHe 40 0
120 PB 146 HS* 13 18 47.0802684216 +44 35 42.189541872   14.655 14.837 15.105   sdOD 19 0
121 PG 1316+212 HS* 13 19 17.4133102872 +20 57 16.004116584   14.72       sdO 16 0
122 PG 1318+062 HS* 13 20 44.3902311576 +05 59 01.342789044   13.90 14.786     sdOC9VIIHe39 22 0
123 HZ 44 HS* 13 23 35.2629445608 +36 07 59.544140304 10.186 11.42 11.65 12.00 11.995 sdBN0VIIHe28 439 0
124 PG 1325+054 HS* 13 28 21.3712855368 +05 08 55.928824620   13.10 14.39     sdO8VIIHe40 24 0
125 GALEX J133810.3+431743 HS* 13 38 10.3148447160 +43 17 43.071087912           sdO 13 0
126 GALEX J134621.2+224835 HS* 13 46 21.2281294704 +22 48 36.689844168           sdBHe 16 0
127 PG 1348+607 HS* 13 50 16.0233413592 +60 24 37.747929780   15.9 16.660 16.4   sdOC1VIIHe40 21 1
128 PG 1401+289 HS* 14 03 17.1411012000 +28 39 29.347737408   14.87       sdOC7VIIHe40 23 0
129 PG 1413+114 HS* 14 15 49.0544405496 +11 12 13.919058468 14.58 15.9 16.07 16.0   sdOC9.5VIIHe39 25 0
130 PG 1427+196 HS* 14 29 27.7632629472 +19 21 36.625603932   13.89 14.12 14.49   sdOC 21 1
131 PG 1442+346 HS* 14 44 10.1677935480 +34 21 13.290873660   15.74       sdOC 19 1
132 SDSS J144513.66+010112.7 HS* 14 45 13.6654721856 +01 01 12.753432912           B8III 14 0
133 PG 1444+076 HS* 14 47 08.2772324232 +07 23 49.559799300   14.44 14.72     sdOHe 21 0
134 PG 1452+198 HS* 14 54 39.8152055328 +19 37 00.855649740   12.30 12.94     sdB0.5VIIIHe7 26 0
135 GALEX J145614.5+165740 HS* 14 56 14.4773111472 +16 57 40.639078188           sdBHe 16 1
136 GALEX J145815.9+370016 HS* 14 58 15.9138150648 +37 00 17.416215216           sdOHe 12 0
137 PG 1502+129 HS* 15 04 36.6919428792 +12 48 12.504776904   15.46       sdOB 15 0
138 PG 1528+025 HS* 15 30 59.2046618352 +02 18 21.448533564   16.0   16.4   sdBO 15 0
139 LAMOST J154050.65+000518.6 * 15 40 50.6033946673 +00 05 19.189295290           ~ 4 1
140 PG 1539+043 HS* 15 42 13.6022610696 +04 08 36.106872792   15.98       sdOC 16 0
141 PG 1544+488 HS* 15 46 11.6930203944 +48 38 37.228874928   12.52 12.79 13.08   sdBC1VIIpHe39 60 1
142 PG 1554+222 HS* 15 56 33.6165820440 +22 02 45.889773468   13.35       sdOB 18 0
143 PG 1555+504 HS* 15 56 42.9454652280 +50 15 37.474577892   16.00       sdOC 22 0
144 PG 1559+048 HS* 16 01 31.2726190776 +04 40 27.067404396   14.27 14.46     sdBC0.2VIIHe22 27 0
145 GALEX J160152.8-040949 HS* 16 01 52.8417478752 -04 09 49.586178924           sdB/sdO 8 0
146 PG 1607+228 HS* 16 09 32.4141851592 +22 37 49.850179680   16.142 16.277     sdOB 15 1
147 PG 1607+174 HS* 16 09 54.9286272432 +17 14 57.169399920   11.80 11.64     sdB2VIIHe18 21 0
148 PG 1610+043 HS* 16 12 45.1193042520 +04 12 41.556915900   15.86 16.02 16.34   sdOHe 20 0
149 PG 1611+041 HS* 16 14 17.4237504048 +03 59 51.156724920   14.5   15.54   sdOB 14 0
150 PG 1614+270 HS* 16 16 24.3535096320 +26 53 14.886747492   15.2 14.82 16.14   sdBHe 24 1
151 Ton 257 HS* 16 23 29.7874231464 +24 45 41.283376956   15.46 15.94     sdBO 19 0
152 GALEX J162411.5+312252 HS* 16 24 11.5273890888 +31 22 52.616212320           sdOHe 13 0
153 PG 1624+085 HS* 16 26 54.2011416024 +08 25 35.015001024   14.74 14.90 15.31   sdO9VIIHe39 23 1
154 GALEX J163150.9+480431 HS* 16 31 50.8916493528 +48 04 32.020748148           sdO 13 0
155 Ton 261 HS* 16 46 34.4825730120 +26 37 52.284686124   15.92 16.25 16.03   sdBHe 22 0
156 PG 1652+159 HS* 16 54 48.3809044176 +15 52 58.621549836   15.25       sdOC 16 0
157 PG 1703+355 HS* 17 05 15.2166008664 +35 28 18.555258252   15.45       sdOC 20 0
158 PG 1715+273 HS* 17 17 03.1531245432 +27 16 37.013596356   16.6   16.9   sdB1VIIHe35 22 1
159 GALEX J171720.5+094131 HS* 17 17 20.5609976472 +09 41 31.456984272           sdOBHe 10 0
160 UCAC4 530-064631 HS* 17 20 09.1424032320 +15 50 36.199419216   16.304 16.424     sdOBHe 10 0
161 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
162 GALEX J181102.8+173759 HS* 18 11 02.8070048184 +17 37 59.870111592           sdOBHe 11 0
163 GALEX J182208.6+103745 HS* 18 22 08.5367773608 +10 37 46.583687856           sdB/sdO 6 0
164 GALEX J182637.0+343726 HS* 18 26 37.0599465864 +34 37 26.443182648       15.890   sdOBHe 11 0
165 HS 1837+5913 HS* 18 37 46.4676193536 +59 15 58.873411980   14.25 14.57 15.02   sdOBHe 14 0
166 2MASS J19230068+3715044 HS* 19 23 00.6774342816 +37 15 04.493380896           sdB/sdO 23 0
167 UCAC4 687-068720 HS* 19 26 05.9757377664 +47 16 31.184977656   14.512 14.892 15.116   sdOHe 13 0
168 2MASS J19271504+3827186 HS* 19 27 15.0440544264 +38 27 18.774831456           sdOBHe 17 0
169 NAME PN AMU 1 PN 19 31 08.8801090728 +43 24 57.692231064   13.39 13.64 13.83   O(H)3Vz 40 1
170 2MASS J19380163+4649446 HS* 19 38 01.6297704072 +46 49 44.408176788           sdOBHe 16 0
171 2MASS J19565555+4350171 HS* 19 56 55.5707622096 +43 50 17.150559000           sdOBHe 16 0
172 UCAC4 480-124210 HS* 20 26 10.5607020768 +05 54 14.031255348       16.178   sdB/sdO 6 0
173 LAMOST J202623.04+092012.7 HS* 20 26 23.0512093536 +09 20 12.881362668           sdOBHe 6 0
174 KPD 2104+3407 HS* 21 06 15.6268844976 +34 19 14.627130276 14.67 15.81 15.95 16.052   sdOBHe 15 0
175 GALEX J211000.6+152913 HS* 21 10 00.7554043728 +15 29 12.812979588   16.34 16.51     sdOBHe 11 0
176 HS 2108+1413 HS* 21 10 41.3926502376 +14 25 58.928363256   14.04 14.03 14.99   sdOHe 13 0
177 GALEX J211832.4+233416 HS* 21 18 32.4210584376 +23 34 17.434339896   14.505 14.698 14.980   sdOBHe 10 0
178 GALEX J211925.9+202155 HS* 21 19 26.0154698280 +20 21 56.057266908           sdOBHe 14 0
179 SDSS J212330.46+004238.8 HS* 21 23 30.4632632448 +00 42 38.900287296           sdO 15 0
180 GALEX J212356.6+153323 HS* 21 23 56.6820547728 +15 33 23.651222940           sdOBHe 9 0
181 GALEX J212544.4+202812 HS* 21 25 44.4002515224 +20 28 11.665191540   13.217 13.444 13.652   sdOHe 12 0
182 NGC 7094 PN 21 36 52.9687364088 +12 47 19.099274136     13.650 13.775   sdB/sdO 207 0
183 UCAC4 653-107038 HS* 21 38 53.0483065629 +40 24 15.759376255   14.602 14.548 14.658   sdB/sdO 9 0
184 2MASS J21391157+4539155 HS* 21 39 11.5840840153 +45 39 15.643092110           sdB/sdO 8 0
185 UCAC4 648-107111 HS* 21 39 20.0397357624 +39 32 48.991942572   14.70 14.71 15.04   sdOBHe 10 0
186 GALEX J214106.6+252832 HS* 21 41 06.7701224640 +25 28 30.011001816   13.89 14.05 14.47   sdOBHe 10 0
187 GALEX J214540.8-012807 HS* 21 45 40.8414802416 -01 28 08.263846632   15.26 15.7     sdOBHe 12 0
188 UCAC4 637-113968 HS* 21 46 00.3104668056 +37 21 19.812666924   14.73 14.67 14.80   sdOHe 12 0
189 GALEX J215956.5+141804 HS* 21 59 56.5181880600 +14 18 04.878678672           sdOBHe 10 0
190 PG 2158+082 HS* 22 01 02.2829193744 +08 30 47.912089716   12.8 13.38 13.49   sdO2VIIIHe40 24 0
191 PG 2201+145 HS* 22 04 03.7883463144 +14 46 38.273477340   15.2   15.81   sdOB 14 0
192 SDSS J220819.50+060255.4 HS* 22 08 19.5054431928 +06 02 55.437752148           sdOHe 13 0
193 GALEX J221807.1+044911 HS* 22 18 07.1431787136 +04 49 10.305726816           sdOBHe 8 0
194 PG 2218+052 HS* 22 21 22.5630107208 +05 24 58.410169524   15.30 15.374     sdB0.5VIIHe20 19 1
195 GALEX J223455.5+312325 HS* 22 34 55.5363122328 +31 23 25.894734684           sdOBHe 11 0
196 PG 2244+153 HS* 22 46 55.1704822608 +15 30 58.995944244   15.65 15.78     sdO 15 2
197 PG 2249+220 HS* 22 52 18.3598120344 +22 18 04.357713780   15.806 16.080 16.151   sdO 14 0
198 FBS 2255+404 HS* 22 58 10.2906644232 +40 43 40.031595192           sdOD 15 0
199 GALEX J230124.7+325943 HS* 23 01 24.7132921032 +32 59 43.362759912           sdB/sdO 6 0
200 FBS 2307+338 HS* 23 10 13.9437689304 +34 01 56.127292572           sdB 16 0
201 PG 2321+214 HS* 23 24 27.4677335040 +21 38 51.320825304   12.89       sdBN0VIIHe37 26 0
202 GALEX J232856.6+492806 HS* 23 28 56.6337468768 +49 28 06.071460312           sdBHe 9 0
203 GALEX J235050.1+194628 HS* 23 50 50.2135322784 +19 46 28.062100848   15.8   16.3   sdB/sdO 10 0
204 PG 2352+181 HS* 23 55 17.3404839672 +18 20 15.387941796   13.12 13.41 13.61   sdO7VIIHe40 27 1

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