2020A&A...635A..14T

Query : 2020A&A...635A..14T

2020A&A...635A..14T - Astronomy and Astrophysics, volume 635A14-14 (2020/3-1)

A plethora of new R Coronae Borealis stars discovered from a dedicated spectroscopic follow-up survey.

TISSERAND P., CLAYTON G.C., BESSELL M.S., WELCH D.L., KAMATH D., WOOD P.R., WILS P., WYRZYKOWSKI L., MROZ P. and UDALSKI A.

Abstract (from CDS):


Context. It is more and more suspected that R Coronae Borealis (RCB) stars - rare hydrogen-deficient and carbon-rich supergiant stars - are the products of mergers of CO/He white-dwarf binary systems in the intermediate mass regime (0.6<MTot<1.2M☉). Following the merger, a short-lived cool supergiant phase starts. RCB stars are extremely rare as only 77 have hitherto been known in the Galaxy, while up to 1000 have been predicted from population synthesis models.
Aims. The goal is to significantly increase the number of known RCB stars in order to better understand their evolutionary paths, their spatial distribution, and their formation rate in the context of population synthesis results. A list of 2356 RCB star candidates was selected using infrared colours from the all-sky 2MASS and WISE surveys. The objective is to follow them up spectroscopically to classify the candidates and, thus, to distinguish RCB stars from other dust-producing stars.
Methods. A series of brightness and colour-colour cuts that were used as selection criteria were then tested using the sample of known Galactic and Magellanic RCB stars. RCB spectral energy distribution models were also used to understand the effects of each selection criterion in terms of circumstellar shell temperature. Optical, low-resolution spectra were obtained for nearly 500 of the candidate stars. These spectra were compared to synthetic spectra from a new grid of MARCs hydrogen-deficient atmospheric models. This allowed us to define a spectroscopic classification system for RCB stars depending on their effective temperature and photometric status.
Results. This programme has found 45 new RCB stars, including 30 Cold (4000<Teff<6800K), 14 Warm (6800<Teff<8500K), and one Hot (Teff>15000K). Forty of these belong to the Milky Way and five are located in the Magellanic Clouds. We also confirmed that the candidate KDM 5651 is indeed a new RCB star, increasing the total number of Magellanic RCB stars to 30.
Conclusions. We increased the total number of RCB stars known by ∼50%, bringing it up to 147. In addition, we compiled a list of 14 strong RCB candidates, most certainly observed during a dust obscuration phase. From the detection efficiency and success rate so far, we estimate that there should be no more than 500 RCB stars existing in the Milky Way, all HdC stars included.

Abstract Copyright: © ESO 2020

Journal keyword(s): methods: observational - stars: carbon - stars: chemically peculiar - supergiants - stars: evolution

VizieR on-line data: <Available at CDS (J/A+A/635/A14): table2.dat list.dat fits/*>

Nomenclature: Table B.1: [TCB2020] WISE-ToI NNNN N=2356 among (Nos 1-9040).

Simbad objects: 206

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Number of rows : 206
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 2MASS J00084213+6300336 * 00 08 42.1289932224 +63 00 33.675098220           ~ 3 0
2 V* V858 Cas Mi* 00 19 10.6318589736 +52 02 03.291152712           ~ 10 0
3 [MH95] 219 C* 00 31 16.7745441600 -73 56 48.538947264   19.98 17.59   14.92 C 8 0
4 RAW 21 RC* 00 37 47.0976654168 -73 39 02.403102492     17.69     C 11 0
5 MSX SMC 014 Mi* 00 46 16.33 -74 11 13.6         19.872 ~ 15 0
6 RAW 380 C* 00 47 05.3485063056 -72 34 30.400904748   18.99 17.40   13.96 C 12 0
7 IRAS 00450+7401 RC* 00 48 22.3210072536 +74 17 57.401360052   21.1   19.2   ~ 10 0
8 RAW 476 RC* 00 48 22.9516608504 -73 41 04.650133380 16.17 15.69 14.64   13.53 C 12 0
9 UCAC4 769-007780 Y*O 00 49 47.5383913488 +63 38 10.045625352   13.767 12.965 12.751   ~ 5 0
10 [MH95] 580 RC* 00 50 10.7042866608 -69 43 57.790097076           C 7 0
11 RAW 658 RC* 00 51 13.61 -73 10 36.2     17.56   16.41 C 12 0
12 IRAS 00483+6440 RC* 00 51 28.0817851920 +64 56 51.711895428           ~ 11 0
13 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
14 [TWM2009] EROS2-SMC-RCB-3 RC* 00 57 18.15 -72 42 35.2           ~ 18 0
15 [TWM2009] EROS2-SMC-RCB-4 RC* 01 04 53.15 -72 04 04.0         17.28 ~ 10 0
16 [BEM91] 7 C* 01 05 00.1082025816 -05 40 03.818699436       14.28 12.42 C-Ne 18 0
17 OGLE J010654.78-722441.1 Mi* 01 06 54.8111841024 -72 24 41.301088560     21.737   18.120 ~ 10 0
18 Cl* NGC 419 IR 1 C* 01 08 12.97 -72 52 44.0 18.585 18.637 18.33   15.77 C 25 0
19 OGLE SMC-LPV-17611 Mi* 01 09 21.690 -71 24 35.16         19.09 ~ 4 0
20 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
21 V* XX Cam RC* 04 08 38.7489702792 +53 21 39.350441448 8.35 8.10 7.27     F8I 145 0
22 V* HH Per LP* 04 32 59.3513053896 +41 58 54.266965788           ~ 5 0
23 OGLE LMC-LPV-2510 LP* 04 45 30.9744501096 -68 34 31.221277932     13.954   13.475 ~ 3 0
24 V* RV Tau RV* 04 47 06.7239850584 +26 10 45.532913268   11.00 9.80     K3Ibe 297 1
25 SHV 0459418-724205 RC* 04 58 48.4041598032 -72 37 43.460562504         17.17 ~ 7 0
26 SP77 30-16 RC* 04 59 35.8340840040 -68 24 44.814544812     14.333   13.17 C1,2Hd 11 0
27 SSTISAGE1C J050034.59-705200.4 AB* 05 00 34.6207721040 -70 52 00.411412224 20.466 21.345 21.156   20.966 ~ 13 0
28 SV* HV 12524 RC* 05 01 00.3783882792 -69 03 43.134706944     14.580   13.324 C 8 0
29 SP77 33-7 C* 05 02 32.2647411120 -72 18 53.555899068     14.0     C2,2Hd 7 0
30 2MASS J05044053-6703117 Y*O 05 04 40.5232239120 -67 03 11.591440704 17.795 17.534 16.566 16.090 15.627 ~ 4 0
31 SP77 39-12 RC* 05 10 28.5331700472 -69 47 04.492628844 19.187 19.396   13.62 13.22 C2,2Hd 15 0
32 SV* HV 5637 RC* 05 11 31.3800261672 -67 55 50.814148260     14.804   13.528 C 34 1
33 SV* HV 2399 RC* 05 14 40.2221828088 -69 58 39.966620124     15.239   16.98 C 10 0
34 SV* HV 2379 RC* 05 14 46.1910774888 -67 55 47.642837844         13.427 C 20 0
35 OGLE LMC-RCB-8 RC* 05 15 51.792 -69 10 08.64         13.583 ~ 8 0
36 OGLE LMC-SC8 224909 Be? 05 16 48.1217839692 -69 22 22.075865909   15.785 15.563   15.102 ~ 4 0
37 OGLE LMC-RCB-10 RC* 05 20 48.210 -70 12 12.54     17.912   14.943 ~ 12 0
38 SV* HV 942 RC* 05 21 47.9691660264 -70 09 57.093484752 16.748 18.233 15.247 14.04 14.209 ~ 19 1
39 SHV 0523154-690100 RC* 05 22 57.3754122648 -68 58 18.895423548         14.223 C? 8 0
40 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
41 IRAS F05254-7149 RC* 05 24 43.6388541528 -71 47 26.417936508   20.838 20.409   19.753 C-rich 11 0
42 V* W Men RC* 05 26 24.5307101256 -71 11 11.796721620     13.40   13.323 F5I:/C 54 0
43 SHV 0526537-690959 RC* 05 26 33.9230401032 -69 07 33.347170308         13.667 C 10 0
44 OGLE LMC-RCB-15 V* 05 28 07.68 -68 52 54.3     16.645   15.656 ~ 2 0
45 [BE74] 597 Em* 05 31 54.2558221080 -71 53 49.609620024   14.80 14.437 14.62 14.179 ~ 6 0
46 OGLE LMC-RCB-17 RC* 05 32 13.3497958320 -69 55 57.679962240         14.440 ~ 9 0
47 IRAS 05289+3403 LP* 05 32 13.9236553968 +34 06 01.480479876           G0 10 0
48 SV* HV 2671 RC* 05 33 48.9473907384 -70 13 23.504301372   16.346 15.758   15.391 ~ 36 1
49 IRAS 05374-6355 RC* 05 37 45.7106520528 -63 53 30.796556028           ~ 6 0
50 OGLE LMC-RCB-19 RC* 05 39 36.9800605464 -71 55 46.796098764     15.142   13.378 ~ 8 0
51 SP77 55-17 RC* 05 41 23.4958110720 -70 58 01.757641224       14.87 13.976 C 12 1
52 OGLE LMC-LPV-80740 RC* 05 42 21.90 -69 02 59.1         15.793 ~ 15 0
53 ASASSN-V J054424.84-655814.2 V* 05 44 24.8386266672 -65 58 14.219736384           ~ 2 0
54 SV* HV 12842 RC* 05 45 02.8825680504 -64 24 22.722012612     13.7     ~ 27 1
55 IRAS 05425+3501 LP* 05 45 51.6997065816 +35 03 00.060426720           ~ 7 0
56 OGLE J054647.84-703813.9 RC* 05 46 47.7414405576 -70 38 13.425578052         13.410 C 10 0
57 V* SU Tau RC* 05 49 03.7301227728 +19 04 21.867600252   10.72 9.10     C1,0_Hd_CH0 157 1
58 C* 438 LP? 05 51 46.5924047880 -75 42 20.909037312   13.29 11.58     C-H 14 0
59 SV* HV 12862 RC* 05 56 43.5603788352 -71 55 10.656028956     14.319   13.401 C 7 0
60 SP77 65-2 RC* 06 04 05.4757334376 -72 51 22.784017464     14.380   13.25 C2,2Hd 14 0
61 [TWM2009] EROS2-LMC-RCB-6 RC* 06 12 10.5123716592 -74 05 09.934738548           ~ 6 0
62 ASASSN-V J075155.45-331057.2 * 07 51 55.4518139064 -33 10 57.028651536   16.659 14.952 14.212   ~ 3 0
63 V* UX Ant RC* 10 57 09.0588420456 -37 23 55.133370312   12.67 12.37     C-Hd 48 0
64 IRAS 10581-5946 RC* 11 00 08.7669290832 -60 03 03.708503712           ~ 5 0
65 V* UW Cen RC* 12 43 17.1901954368 -54 31 40.763998596   10.84 10.13     K 123 0
66 V* Y Mus RC* 13 05 48.1948797744 -65 30 46.624502484   11.3 10.50     Fp_Hd 79 0
67 IRAS 13203-6721 RC* 13 23 54.4662087096 -67 37 20.894792304           ~ 6 0
68 V* DY Cen RC* 13 25 34.0847063328 -54 14 43.129581792     12.00     C-Hd/B5-6Ie 105 0
69 V* V854 Cen RC* 14 34 49.4024471640 -39 33 19.201288284   7.13 11.69     Ce 214 0
70 UCAC4 168-133676 RC* 15 01 04.4975993592 -56 33 25.256946096           ~ 5 0
71 V* Z UMi RC* 15 02 01.3633505568 +83 03 48.629861424   12.54 11.40     C 60 0
72 V* S Aps RC* 15 09 24.5365973688 -72 03 45.182766996 11.52 10.86 9.60     C 124 0
73 V* V409 Nor RC* 15 44 25.0733838216 -50 45 01.262858364   14.77 11.31 10.62 13.19 C4,3 16 0
74 V* R CrB RC* 15 48 34.4154827352 +28 09 24.295852440 6.44 6.31 5.71 5.26 5.08 G0Iep 798 0
75 UCAC4 173-146909 RC* 16 02 05.4769442472 -55 27 41.778671220       15.983   ~ 6 0
76 IRAS 16000-5754 LP* 16 04 07.4846343888 -58 02 50.548184556           ~ 6 0
77 IRAS 16078-5747 RC* 16 11 56.2313766120 -57 55 27.146588304           ~ 8 0
78 V* IO Nor RC* 16 22 28.8312240744 -48 35 55.689778608   13.44 11.28   9.10 ~ 17 0
79 V* RT Nor RC* 16 24 18.6679360920 -59 20 38.565480480   11.34 10.60     R 85 0
80 V* RZ Nor RC* 16 32 41.66 -53 15 33.2     10.63     C-Hd 68 0
81 IRAS 16314-3756 RC* 16 34 50.3636656224 -38 02 18.712460292           ~ 6 0
82 IRAS 16330-6435 LP* 16 37 50.7852387840 -64 41 40.541264664           ~ 7 0
83 IRAS 16375-5141 RC* 16 41 24.7453865376 -51 47 43.430376660     17.852   10.08 ~ 7 0
84 UCAC4 215-134322 RC* 16 47 04.6732977240 -47 08 17.829249396       16.074   ~ 5 0
85 IRAS 16446-1520 RC* 16 47 29.7378101784 -15 25 22.945676146       13.859 11.898 ~ 8 0
86 C* 2377 RC* 16 54 43.6094939520 -49 25 55.429364676   13.0 11.8     R 12 0
87 SV* HV 8988 RC* 17 01 01.4139841488 -50 15 34.822751940   18.93   12.67 14.01 ~ 11 0
88 2MASS J17034387-3851266 RC* 17 03 43.8757197072 -38 51 26.687988864           ~ 6 0
89 V* GV Oph RC* 17 05 41.2536137184 -26 50 03.355293228         11.09 ~ 11 0
90 IRAS 17029-1630 RC* 17 05 52.8105805560 -16 34 16.585458996           ~ 10 0
91 ASASSN-V J170737.02-314812.5 V* 17 07 37.0093001699 -31 48 12.672925894   16.078 14.385 13.690   ~ 3 0
92 Terz V 3526 RC* 17 08 27.1884914856 -32 26 49.603953804         15.504 ~ 7 0
93 C* 2413 RC* 17 14 14.4557880024 -21 26 13.781301576   13.6     10.81 R 12 0
94 SV* HV 7863 RC* 17 15 19.7319711528 -29 05 37.401105768           R0 38 0
95 ASAS J171710-2043.3 RC* 17 17 10.2272157744 -20 43 15.790728468   12.36 11.52   10.699 ~ 8 0
96 Terz V 21 RC* 17 17 44.4925219968 -29 38 00.202489224         12.936 ~ 6 0
97 2MASS J17181536-3413400 RC* 17 18 15.3695684504 -34 13 39.982763288           ~ 5 0
98 IRAS 17155-4347 RC* 17 19 08.5166113464 -43 50 44.558422656         15.844 ~ 7 0
99 EROS2-star cg1235m14181 RC* 17 19 58.5113727768 -30 04 21.507107592           ~ 7 0
100 ASASSN-V J172216.67-281656.9 V* 17 22 16.6797484344 -28 16 56.887115844           ~ 3 0
101 V* V2552 Oph RC* 17 23 14.5548283752 -22 52 06.314546712   11.90 10.92     C-Hd 30 0
102 UCAC4 305-133867 RC* 17 24 47.5195688928 -29 04 18.736504356   15.083 13.635 12.994   ~ 7 0
103 2MASS J17255380-3124211 RC* 17 25 53.7992973336 -31 24 21.255466536           ~ 5 0
104 Terz V 1680 RC* 17 29 37.1104695456 -30 39 36.846224964           ~ 8 0
105 V* AC Ser RC* 17 29 51.8088859848 -10 17 16.017636912   13.29 12.44     ~ 9 0
106 V* V1135 Sco RC* 17 30 23.8448751696 -30 08 28.498958160           ~ 10 0
107 IRAS 17284-4326 RC* 17 32 02.7612840168 -43 29 06.241439904           ~ 7 0
108 V* V532 Oph RC* 17 32 42.6072233088 -21 51 40.757995188         16.56 ~ 25 0
109 IRAS 17300-1802 Mi* 17 32 57.9632468688 -18 04 33.904357932         10.674 ~ 7 0
110 Terz V 2637 RC* 17 35 18.1099005264 -26 53 49.237101276           ~ 9 0
111 V* AO Her Mi* 17 35 36.2849528544 +50 24 39.863412792           ~ 16 0
112 IRAS 17324-3639 RC* 17 35 53.0722705152 -36 41 04.067346192           ~ 6 0
113 IRAS 17349-0726 RC* 17 37 37.0818554376 -07 28 28.184263140           ~ 8 0
114 IRAS 17353-2034 RC* 17 38 19.8088286808 -20 36 32.153948172         13.561 ~ 10 0
115 Terz V 2960 RC* 17 39 20.7391600224 -27 57 22.685213304           ~ 7 0
116 UCAC4 309-128149 RC* 17 41 11.7937284120 -28 19 55.399901988       15.620   ~ 4 0
117 UCAC4 325-115052 RC* 17 41 19.5746668681 -25 06 21.501743708   17.105 15.011 14.346   ~ 5 0
118 IRAS 17387-1614 RC* 17 41 38.8806963120 -16 15 46.538393292         13.482 ~ 9 0
119 IRAS 17395-3619 RC* 17 42 57.1992887808 -36 20 52.067626872           ~ 7 0
120 IRAS 17403-1822 RC* 17 43 17.5273394328 -18 24 02.426979168           ~ 8 0
121 IRAS 17400-3749 RC* 17 43 28.5028087778 -37 50 29.067619605       14.679   ~ 8 0
122 IRAS 17413-3621 LP* 17 44 45.7293806952 -36 22 32.293778124           ~ 8 0
123 ATO J266.3809-23.5402 RC* 17 45 31.4255305391 -23 32 24.753700793           ~ 9 0
124 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
125 [TMW2008] EROS2-GC-RCB-05 RC* 17 46 00.3388085832 -33 47 56.701259160           ~ 8 0
126 Terz V 2046 RC* 17 46 16.2303423072 -32 57 40.868363772       15.982   ~ 8 0
127 UCAC2 21602821 RC* 17 46 45.9122318256 -25 03 14.125081536       15.279 12.54 ~ 6 0
128 IRAS 17438-4443 LP* 17 47 31.7902036752 -44 45 01.176157260           ~ 6 0
129 2MASS J17482552-3242402 LP* 17 48 25.5257708112 -32 42 40.569696972           ~ 3 0
130 [TMW2008] EROS2-GC-RCB-09 RC* 17 48 30.9044283528 -24 22 56.887342716           ~ 7 0
131 [TMW2008] EROS2-GC-RCB-11 RC* 17 48 41.56848 -23 00 26.7120           ~ 8 0
132 UCAC4 285-134593 RC* 17 48 51.2983283592 -33 06 17.205146352       14.215   ~ 7 0
133 V* V653 Sco RC* 17 49 15.6554349744 -39 13 16.580241012         14.341 ~ 13 0
134 ASASSN-V J175031.71-233945.7 RC* 17 50 31.7115696168 -23 39 45.796404060       14.423   ~ 6 0
135 UCAC4 329-116115 RC* 17 51 07.1301096048 -24 23 57.446219076       15.667   ~ 6 0
136 OGLE BLG-LPV-72399 LP* 17 51 19.4993518991 -32 43 21.558939808     21.651   16.862 ~ 4 1
137 OGLE BLG-LPV-84261 RC* 17 52 14.9167608432 -29 38 30.389596080     20.492   15.24 ~ 6 1
138 EROS2-star cg0030l3740 RC* 17 52 20.0378878752 -29 03 31.690060092           ~ 6 0
139 IRAS 17491-3410 RC* 17 52 25.5059556168 -34 11 28.146181632         11.584 ~ 8 0
140 IRAS 17507-2931 RC* 17 53 57.0683050968 -29 31 42.865815216       13.711   ~ 10 0
141 IRAS 17522-2811 RC* 17 55 21.7568003424 -28 11 31.353482400           ~ 6 0
142 IRAS 17524-2141 WV* 17 55 26.2785314239 -21 42 14.104155509     16.557   15.492 ~ 7 0
143 IRAS 17530-1647 RC* 17 55 58.5233714232 -16 47 44.424556584         14.185 ~ 8 0
144 IRAS 17540-2139 V* 17 57 00.4800412368 -21 39 34.443919116   17.160 14.130 13.303   ~ 8 0
145 IRAS 17550-0753 RC* 17 57 49.7712653664 -07 53 14.983835532           ~ 10 0
146 2MASS J17574999-1825229 RC* 17 57 50.0012175480 -18 25 22.932258024         13.66 ~ 5 0
147 MACHO 401.48170.2237 RC* 17 57 58.9348311759 -28 18 12.847306046       14.905   ~ 8 0
148 [TMW2008] EROS2-GC-RCB-03 RC* 17 58 28.2965833440 -30 51 16.625880108           ~ 7 0
149 [TMW2008] EROS2-GC-RCB-13 RC* 18 01 58.2467350488 -27 36 48.394478484           ~ 8 0
150 HD 318952 RC* 18 04 49.7413378968 -32 43 13.625483844   12.14 10.40     R0 27 0
151 IRAS 18029-1513 RC* 18 05 50.4996467808 -15 13 01.668049248           ~ 7 0
152 V* WX CrA RC* 18 08 50.4871793760 -37 19 43.210670520   11.75 11.00     R5 68 0
153 OGLE BLG-LPV-259763 Mi* 18 11 54.3790999536 -24 18 27.887648328     18.177   12.942 ~ 5 0
154 SOPS II e-4 RC* 18 12 03.6898708344 -28 08 36.230120484   13.4       R 10 0
155 ASASSN-V J181214.33-252406.5 * 18 12 14.32344 -25 24 06.6456           ~ 4 0
156 2MASS J18125249-2333044 RC* 18 12 52.4997374762 -23 33 04.541305328           ~ 4 0
157 V* V739 Sgr RC* 18 13 10.5556628976 -30 16 14.730832560           R 20 0
158 IRAS 18100-2750 RC* 18 13 14.8765489324 -27 49 41.033038100           ~ 8 0
159 V* V3795 Sgr RC* 18 13 23.5642449000 -25 46 40.857266928       10.940 10.10 ~ 48 0
160 V* VZ Sgr RC* 18 15 08.5724613648 -29 42 29.491053228   11.15 10.46     ~ 57 0
161 2MASS J18153824-2038457 RC* 18 15 38.2534555680 -20 38 45.711359556           ~ 5 0
162 IRAS 18135-2419 RC* 18 16 39.2002757976 -24 18 33.401863080     15.400   11.529 ~ 9 0
163 V* V4017 Sgr LP? 18 18 02.2891556904 -29 29 33.041142744   12.12 10.90     K0: 9 0
164 V* RS Tel RC* 18 18 51.2223564000 -46 32 53.427456132   10.80 9.96     R0 84 1
165 MACHO 308.38099.66 RC* 18 19 27.4228855848 -21 24 08.199993852           ~ 9 0
166 MACHO 135.27132.51 RC* 18 19 33.7566032184 -28 35 58.074048060       13.934   ~ 11 0
167 IRAS 18203-2831 RC* 18 23 34.24536 -28 29 57.1452           ~ 6 0
168 V* GU Sgr RC* 18 24 15.5810208792 -24 15 26.353387944   11.40 11.33     R0 70 0
169 V* V581 CrA RC* 18 24 43.4626812504 -45 24 43.890939108           ~ 11 0
170 IRAS 18244-2010 RC* 18 27 23.3932081579 -20 08 30.233234347       16.061   ~ 6 0
171 V* V391 Sct RC* 18 28 06.6114103248 -15 54 44.126085996         11.834 ~ 14 0
172 ATO J277.4326-19.0462 RC* 18 29 43.8317746584 -19 02 46.237213860       14.460   ~ 8 0
173 MACHO 301.45783.9 RC* 18 32 18.5979046176 -13 10 49.624542444           ~ 8 0
174 V* IZ Sgr RC* 18 36 31.2631812079 -20 59 15.529332067           M6 7 0
175 IRAS 18340-1136 RC* 18 36 49.5546988030 -11 34 20.652839186           ~ 6 0
176 IRAS 18364+4720 RC* 18 37 51.2557124664 +47 23 23.467931844           ~ 25 0
177 V* V348 Sgr pA* 18 40 19.9290428808 -22 54 29.308207716   12.1       B0/1?I?e 192 0
178 UCAC4 421-087536 RC* 18 41 58.4048024856 -05 48 19.348662816   16.493 13.789 13.112   ~ 7 0
179 IRAS 18399-1257 RC* 18 42 46.2545200704 -12 54 14.782006764         14.796 ~ 12 0
180 V* MV Sgr RC* 18 44 31.9665722184 -20 57 12.863610864 12.82 13.56 12.00 13.37   B2pec-Hd 111 0
181 V* FH Sct RC* 18 45 14.8470961608 -09 25 36.106185432           C 37 0
182 V* V CrA RC* 18 47 32.3096196393 -38 09 32.307864378       10.765   R0 114 0
183 ASASSN-V J185316.37-271352.7 LP* 18 53 16.3689612672 -27 13 52.628594268           ~ 5 0
184 ZTF J185525.52-025145.7 RC* 18 55 25.5277727424 -02 51 45.731439756       14.273   ~ 7 0
185 Kiso C4-43 RC* 18 58 41.8054326792 -02 20 11.284678824       16.222   C 14 0
186 V* V4152 Sgr RC* 18 58 47.2884174600 -29 30 18.072815580   10.58 9.41     C-Hd 62 0
187 IRAS 18575-0207 RC* 19 00 09.4408868952 -02 02 57.857356968         10.960 ~ 9 0
188 IRAS 18592+1451 RC* 19 01 33.6845279136 +14 56 09.594625668   16       ~ 10 0
189 ASASSN-V J190309.89-302037.0 RC* 19 03 09.8978635440 -30 20 37.202570772       13.966   ~ 4 0
190 ASAS J190640-1623.9 RC* 19 06 39.8742417552 -16 23 59.152703676   11.52 10.77   10.202 ~ 10 0
191 V* SV Sge RC* 19 08 11.7737560992 +17 37 41.167903944           R2 78 0
192 V* V1157 Sgr RC* 19 10 11.8275220920 -20 29 41.973885096           R 26 0
193 IRAS 19102+0548 RC* 19 12 43.0379296080 +05 53 13.059582612         12.424 ~ 15 0
194 V* RY Sgr RC* 19 16 32.7668605944 -33 31 20.340212592 6.20 6.27 6.25     Cpec 370 0
195 V* ES Aql RC* 19 32 21.6146259144 -00 11 30.957877284     11.76 12.12   C 45 0
196 IRAS 19393-2039 RC* 19 42 18.3820731264 -20 32 47.628396384   18.5   17.5   ~ 10 0
197 V* PT Aql RC* 19 53 43.1518772928 +14 41 09.426763824           ~ 13 0
198 IRAS 19528+0148 Mi* 19 55 25.0857350808 +01 56 03.734264076           O-rich 18 0
199 V* V482 Cyg RC* 19 59 42.5731664472 +33 59 27.937220100   12.91 11.36   9.029 C-Hd 72 0
200 ASASSN-V J201504.29+462719.9 V* 20 15 04.2933021541 +46 27 19.864649498           ~ 10 0
201 IRAS 20212+4301 AB* 20 23 00.7908490416 +43 11 11.619072708           ~ 10 0
202 NSV 13098 RC* 20 30 04.9664336352 -62 07 59.222380872   14     15.816 ~ 8 0
203 EM* GGR 8 Y*O 21 11 19.0666935096 +47 38 47.598624096   13.054 12.447 12.365   A 13 0
204 V* U Aqr RC* 22 03 19.6990459464 -16 37 35.281076700   12.16 11.17     C-Hd 106 0
205 V* UV Cas RC* 23 02 14.6592341400 +59 36 36.693038052   11.89 11.80     F0/5Ib 68 0
206 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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