2013A&A...551A..77T


C.D.S. - SIMBAD4 rel 1.7 - 2020.04.06CEST12:11:31

2013A&A...551A..77T - Astronomy and Astrophysics, volume 551A, 77-77 (2013/3-1)

The ongoing pursuit of R Coronae Borealis stars: the ASAS-3 survey strikes again.

TISSERAND P., CLAYTON G.C., WELCH D.L., PILECKI B., WYRZYKOWSKI L. and KILKENNY D.

Abstract (from CDS):

R Coronae Borealis stars (RCBs) are rare, hydrogen-deficient, carbon-rich supergiant variable stars that are likely the evolved merger products of pairs of CO and He white dwarfs. Only 55 RCB stars have been found in our galaxy and their distribution on the sky is weighted heavily by microlensing survey field positions. A less biased wide-area survey would enable us to test competing evolutionary scenarios, understand the population or populations that produce RCBs, and constrain their formation rate. The ASAS-3 survey monitored the sky south of declination +28 deg between 2000 and 2010 to a limiting magnitude of V=14. We searched ASAS-3 for RCB variables using several different methods to ensure that the probability of RCB detection was as high as possible and to reduce selection biases based on luminosity, temperature, dust production activity and shell brightness. Candidates whose light curves were visually inspected were pre-selected based on their infrared (IR) excesses due to warm dust in their circumstellar shells using the WISE and/or 2MASS catalogues. Criteria on light curve variability were also applied when necessary to minimise the number of objects. Initially, we searched for RCB stars among the ASAS-3 ACVS1.1 variable star catalogue, then among the entire ASAS-3 south source catalogue, and finally directly interrogated the light curve database for objects that were not catalogued in either of those. We then acquired spectra of 104 stars to determine their real nature using the SSO/WiFeS spectrograph. We report 21 newly discovered RCB stars and 2 new DY Per stars. Two previously suspected RCB candidates were also spectroscopically confirmed. Our methods allowed us to extend our detection efficiency to fainter magnitudes that would not have been easily accessible to discovery techniques based on light curve variability. The overall detection efficiency is about 90% for RCBs with maximum light brighter than V∼13. With these new discoveries, 76 RCBs are now known in our Galaxy and 22 in the Magellanic Clouds. This growing sample is of great value to constrain the peculiar and disparate atmosphere composition of RCBs. Most importantly, we show that the spatial distribution and apparent magnitudes of Galactic RCB stars is consistent with RCBs being part of the Galactic bulge population.

Abstract Copyright:

Journal keyword(s): stars: AGB and post-AGB - supergiants - stars: late-type - stars: variables: general

Nomenclature: Tables 2-4: [TCW2013] ASAS-RCB-NN (Nos 1-21), [TCW2013] ASAS-DYPer-N (Nos 1-2).

Status at CDS:  

CDS comments: Table 2, CGCS 379 is a misprint for CGCS 3790.

Simbad objects: 173

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Number of rows : 173

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 TYC 35-752-1 * 01 44 27.9140893148 +05 36 32.617692266   12.91 11.35     ~ 1 0
2 V* SW Ari LP* 02 05 04.1623022575 +19 25 21.300574367   11.70 10.12     M6 5 0
3 V* TT Ari No* 02 06 53.0797667881 +15 17 41.849759579   10.73 10.20     Bep: 417 0
4 V* DY Per RC* 02 35 17.1273531147 +56 08 44.719460598   12.88 11.09 9.93 8.64 C-R4+ 71 0
5 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5549 1
6 ASAS J030615-3942.5 Mi* 03 06 15.0 -39 42 30           M6 1 0
7 IRAS 03513+1801 * 03 54 12.2525880188 +18 10 22.543701345       12.07   M8 9 0
8 V* XX Cam RC* 04 08 38.7487746559 +53 21 39.349720481 8.35 8.10 7.27     F8I 128 0
9 V* EV Eri C* 04 09 07.4709411591 -09 14 12.044942071           C-J 10 0
10 CSS 97 S* 04 28 41.3524504154 +21 50 35.121536840           M6 3 0
11 V* HQ Tau TT* 04 35 47.3327991214 +22 50 21.639107658 15.01 14.15 12.02 11.18   K0 75 0
12 LEE 8 C* 04 53 30.8229479235 +22 46 24.389776921   13.79 10.18 9.307   C5,5_MS4 18 1
13 V* UX Ori Ae* 05 04 29.9881676817 -03 47 14.288047238 10.25 10.93 8.70 9.62 9.43 A4IVe 330 1
14 IRAS 05022+0852 C* 05 05 00.2954825281 +08 56 07.845641950   20.4 16.5     C-N 8 0
15 ASAS J051314-0844.9 V* 05 13 14.0 -08 44 54           F8III 1 0
16 LEE 18 C* 05 21 13.3728213004 +07 21 19.365494331   14.02 9.82     C5,3 33 0
17 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14629 1
18 BC 201 C* 05 33 01.7214326709 +18 07 58.875472102           N 11 0
19 SV* HV 2671 RC* 05 33 48.935 -70 13 23.43     15.758   15.391 ~ 26 1
20 MACHO 81.9124.8 V* 05 36 25.1918589379 -69 41 31.539215275   12.71 11.71 9.61   K2III 4 0
21 HD 37258 Ae* 05 36 59.2489032761 -06 09 16.317559872   9.72 9.61 9.56   A3Ve 114 0
22 V* BF Ori Ae* 05 37 13.2623698298 -06 35 00.565420577 10.37 10.00 9.69 10.06 9.31 A7III 269 0
23 V* RR Tau Ae* 05 39 30.5114685049 +26 22 26.961204895 11.64 12.09 11.28 10.58 10.17 A0:IVe 216 0
24 V* V350 Ori Y*O 05 40 11.7641189614 -09 42 11.085315699 12.74 12.08 11.42 11.38 10.96 A7V 66 0
25 V* DM Ori Or* 05 43 39.0071344530 -05 04 02.862461109   12.50 11.54 13.50   G 17 2
26 Case 119 C* 05 46 35.0018403475 +25 38 05.970259881           N 12 0
27 V* SU Tau RC* 05 49 03.7311442986 +19 04 21.890704406   10.72 9.10     C1,0_Hd_CH0 145 1
28 V* V1818 Ori Ae* 05 53 42.5561700474 -10 24 00.722803103     13.40     Ae 32 0
29 IRAS 06216-2049 * 06 23 48.3001061657 -20 51 27.562048086   11.66 10.91     G0III 2 0
30 V* SS Mon Or* 06 41 07.1132261161 +10 26 41.095778868       12.30   K7V 30 0
31 IRAS 06473-4246 Mi* 06 48 54.4316394905 -42 49 29.797445874   16.58 15.01 14.31 9.38 M9 1 0
32 ASAS J070615-1904.4 V* 07 06 15.0 -19 04 24           A0V 1 0
33 LS 181 * 07 08 13.083 -10 36 02.36   12.54 11.64 11.31   A 17 0
34 IRAS 07089+2711 Mi* 07 12 03.7346592177 +27 06 16.106950582   11.95 10.43     M6 2 0
35 DJM 169 C* 07 18 38.9972870754 -01 16 51.952262514     14.7     C 18 0
36 V* NY Pup LP* 07 22 20.8652004350 -50 49 23.245967978   13.26 11.53 11.30 8.71 M6 3 0
37 GSC 00764-00509 V* 07 24 19.1377954427 +09 12 32.008107415     11.8     ~ 2 0
38 CGCS 1963 C* 07 57 51.3833741471 -09 15 58.198996939     11.4 11.28   Ce 10 0
39 V* V535 Pup C* 08 12 04.1006440727 -20 02 25.196481808   17.23 12.89 11.95 9.78 C-J 5 0
40 TYC 7672-563-1 V*? 08 14 46.5094329332 -44 41 33.949047565   11.31 10.71     G0III 6 0
41 V* FX Vel bL* 08 32 35.7636438229 -37 59 01.478084319   9.77 9.72     A3III 22 0
42 V* V487 Vel RC* 09 18 01.5983694206 -54 02 27.422148800     10.6   9.252 C8,3 16 0
43 IRAS 09503-4315 * 09 52 21.3778833724 -43 29 40.537663776   12.28 10.58 10.559   ~ 3 0
44 BD-08 2852 * 10 07 31.1176 -09 18 06.308   11.27 9.58     M3III 1 0
45 V* UX Ant RC* 10 57 09.0589612426 -37 23 55.133475845   12.67 12.37     C-Hd 37 0
46 V* V802 Car pA* 11 02 04.3151180751 -62 09 42.834842337   9.57 8.90 9.38   F2III 47 0
47 V* HP Cha Y*O 11 08 15.099 -77 33 53.16     13.3     K7V 97 0
48 PDS 47a Y*O 11 08 15.71 -77 33 53.1           K3.5 80 1
49 ASAS J111846-5612.6 V* 11 18 46.0 -56 12 36           A7V 1 0
50 ASAS J120729+0036.9 LP* 12 07 29.1317751129 +00 36 59.829614027           K2III 3 0
51 V* SX Cen RV* 12 21 12.5740806517 -49 12 41.059392756   10.11 9.60     B5III 65 0
52 C* 2001 C* 12 26 57.9608355340 -68 24 15.073861208   13.31 11.69   9.434 R 4 0
53 V* UW Cen RC* 12 43 17.1899844640 -54 31 40.763053503   10.84 10.13     K 105 0
54 V* Y Mus RC* 13 05 48.1950457380 -65 30 46.622944615   11.3 10.50     Fp_Hd 59 0
55 V* DY Cen RC* 13 25 34.0847442636 -54 14 43.129740133     12.00     C-Hd/B5-6Ie 84 0
56 IRAS 13316-6330 * 13 35 03.9503420217 -63 45 57.911843484   12.04 11.77     F0III 3 0
57 SV* HV 6516 LP* 14 15 59.6788456205 -61 53 50.268159401     12.00     F6V 39 0
58 V* V854 Cen RC* 14 34 49.4088471574 -39 33 19.276531885   7.13       Ce 196 0
59 2MASS J14364733-6404355 * 14 36 47.332 -64 04 35.57           ~ 2 0
60 V* BL Cir LP* 14 49 56.5900191286 -69 20 51.551185167         11.93 M6 10 0
61 V* Z UMi C* 15 02 01.3659595384 +83 03 48.630572989   12.54 11.40     C 48 0
62 SS73 44 Ae* 15 03 23.7935361802 -63 22 58.878928904   13.88 12.75     Ae/B[e] 44 1
63 V* S Aps RC* 15 09 24.5362175909 -72 03 45.183589120 11.52 10.86 9.60     C 109 0
64 ASAS J152008-6148.4 V* 15 20 08.0 -61 48 24           F6V 1 0
65 IRAS 15211-6953 OH* 15 26 04.30656 -70 04 05.6532           M7 5 0
66 V* BX Lib LP* 15 32 13.4824016886 -28 54 21.615060812     12.3     K7.5III 2 0
67 V* V409 Nor RC* 15 44 25.0726887089 -50 45 01.257109357   14.77 11.31 10.62 13.19 C4,3 7 0
68 V* R CrB RC* 15 48 34.4147978750 +28 09 24.298218765 6.44 6.31 5.71 5.26 5.08 G0Iep 755 0
69 V* V1317 Sco RC* 15 55 17.0725882285 -29 24 37.008585117   12.86   11.78 9.09 M6 3 0
70 V* IO Nor RC* 16 22 28.8305833161 -48 35 55.684996178   13.44 11.28   9.10 ~ 7 0
71 V* RT Nor RC* 16 24 18.6673601503 -59 20 38.565873502   11.34 10.60     R 70 0
72 V* RZ Nor RC* 16 32 41.66 -53 15 33.2     10.63     C-Hd 62 0
73 UCAC3 74-348524 PM* 16 32 42.4145465121 -53 15 30.551291898       13.53   A 1 0
74 IRAS 16375-5141 RC* 16 41 24.7462461629 -51 47 43.431733644         10.08 ~ 2 0
75 ASAS J164557-4330.1 V* 16 45 57.0 -43 30 06           G0III 1 0
76 DENIS J164729.7-152522 RC* 16 47 29.74 -15 25 22.9         11.898 ~ 3 0
77 C* 2377 RC* 16 54 43.6095738224 -49 25 55.431714900   13.0 11.8     R 7 0
78 ASAS J165449-4032.8 V* 16 54 49.0 -40 32 48           F8V 1 0
79 V* CL Sco Sy* 16 54 51.9703959046 -30 37 18.265275485   12.59 11.98 12.24   M4 55 0
80 V* EW Sco S* 16 57 50.0558940864 -32 34 44.193056626   12.27 10.41     S5*2 10 0
81 IRAS 16571-5011 RC* 17 01 01.4133486238 -50 15 34.898184890   18.93   12.67 14.01 ~ 4 0
82 V* GV Oph RC* 17 05 41.2539900214 -26 50 03.359001487         11.09 ~ 3 0
83 Terz V 3526 RC* 17 08 27.1883455196 -32 26 49.604632432           ~ 3 0
84 C* 2413 RC* 17 14 14.4559511224 -21 26 13.782790138   13.6     10.81 R 6 0
85 SV* HV 7863 RC* 17 15 19.7316982033 -29 05 37.405331734           R0 31 0
86 TYC 6245-382-1 RC* 17 17 10.2272731689 -20 43 15.790361924   12.36 11.52   10.699 ~ 3 0
87 V* V1773 Oph RC* 17 17 22.3309288567 -20 22 38.712707940   17.9   16.37 17.03 F2III 8 0
88 Terz V 21 RC* 17 17 44.4926285977 -29 38 00.200485471         12.936 ~ 3 0
89 EROS2-star cg1235m14181 RC* 17 19 58.5116676593 -30 04 21.509440467           ~ 4 0
90 IRAS 17174-4641 Mi* 17 21 08.7736895739 -46 44 07.656075714   14.14 12.31 10.35   M7 9 0
91 V* V2552 Oph RC* 17 23 14.5547946109 -22 52 06.318141177   11.90 10.92     C-Hd 23 0
92 Terz V 1680 RC* 17 29 37.1093601799 -30 39 36.846700663           ~ 4 0
93 V* V1135 Sco Mi* 17 30 23.8451921613 -30 08 28.500151602           ~ 7 0
94 V* V532 Oph RC* 17 32 42.6073338365 -21 51 40.760675423         16.56 ~ 14 0
95 V* MW Her Mi* 17 35 40.0033419605 +15 35 12.237445417   14.62 12.98 16.28   M8/9 76 0
96 ASAS J173708-4708.0 V* 17 37 08.0 -47 08 00           ~ 1 0
97 ASAS J173729-3743.4 V* 17 37 29.0 -37 43 24           F8IV 1 0
98 Terz V 2960 RC* 17 39 20.7394909684 -27 57 22.683071425           ~ 5 0
99 IRAS 17403-1822 Mi* 17 43 17.5263688215 -18 24 02.435632640           ~ 4 0
100 IRAS 17424-2331 RC* 17 45 31.41 -23 32 24.4           ~ 4 0
101 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 11323 0
102 ASAS J174600-2321.3 V* 17 46 00.1819670910 -23 21 16.358643382           F0I 2 0
103 EROS2-star cg0715n14430 RC* 17 46 00.3386941253 -33 47 56.688102175           ~ 4 0
104 Terz V 2046 RC* 17 46 16.23 -32 57 40.9           ~ 4 0
105 2MASS J17483090-2422566 RC* 17 48 30.90 -24 22 56.7           ~ 3 0
106 2MASS J17484156-2300267 RC* 17 48 41.57 -23 00 26.7           ~ 4 0
107 V* V653 Sco RC* 17 49 15.6556345483 -39 13 16.581898226           ~ 3 0
108 V* RS Oph No* 17 50 13.1592776879 -06 42 28.481553668   12.29 4.30     OB+M2ep 918 0
109 EROS2-star cg0030l3740 RC* 17 52 20.0389531715 -29 03 31.692571714           ~ 5 0
110 IRAS 17491-3410 RC* 17 52 25.5065989775 -34 11 28.163123683         11.584 ~ 3 0
111 2MASS J17524872-2845190 RC* 17 52 48.72 -28 45 19.1           ~ 5 0
112 V* V383 Sco Al* 17 53 34.4454380895 -38 05 00.659813835   11.54 10.55     F0Iab:e 8 0
113 NAME OGLE GC-RCB-2 RC* 17 53 57.0684624097 -29 31 42.865917547           ~ 3 1
114 MACHO 401.48170.2237 Lev 17 57 59.02 -28 18 13.1           ~ 5 0
115 EROS2-star cg0062l18324 RC* 17 58 28.2965116419 -30 51 16.627010337           ~ 4 0
116 MACHO 176.19607.1138 RC* 18 01 58.2467523844 -27 36 48.398404305           ~ 4 0
117 MR 80 WR* 18 02 04.1238716757 -23 37 42.144766363   14.85       WC9 205 2
118 HD 318952 C* 18 04 49.7408420721 -32 43 13.628518354   12.14 10.40     R0 19 0
119 V* GM Ser RC* 18 08 35.8149137136 -15 04 01.885655099           M7 9 0
120 V* WX CrA RC* 18 08 50.4873043636 -37 19 43.213621237   11.75 11.00     R5 58 0
121 SOPS II e-4 RC* 18 12 03.6898308434 -28 08 36.233339343   13.4       R 5 0
122 V* V739 Sgr C* 18 13 10.5557837454 -30 16 14.732012871           R 15 0
123 IRAS 18100-2750 RC* 18 13 14.874 -27 49 41.04           ~ 4 0
124 V* V3795 Sgr RC* 18 13 23.564 -25 46 40.89       10.94 10.10 ~ 38 0
125 2MASS J18144821-1840219 Y*? 18 14 48.2034062630 -18 40 22.073334768           F0I 3 0
126 V* VZ Sgr RC* 18 15 08.5724567921 -29 42 29.495498613   11.15 10.46     ~ 45 0
127 IRAS 18135-2419 LP* 18 16 39.2002759387 -24 18 33.399590007     15.400   11.529 ~ 4 0
128 V* V2331 Sgr LP* 18 17 06.8538796371 -23 57 51.351739262           ~ 6 0
129 V* RS Tel RC* 18 18 51.2223388862 -46 32 53.427215463   10.80 9.96     R0 70 1
130 MACHO 308.38099.66 RC* 18 19 27.4230477521 -21 24 08.204163505           ~ 6 0
131 MACHO 135.27132.51 RC* 18 19 33.7567911589 -28 35 58.073280647           ~ 9 0
132 V* V1860 Sgr RC* 18 21 28.5498344242 -24 45 10.121858560           G6III 7 0
133 NSV 10706 V* 18 22 53.7 -23 36 57           G5IV 2 0
134 V* GU Sgr RC* 18 24 15.5811837465 -24 15 26.353752591   11.40 11.33     R0 59 0
135 V* V581 CrA RC* 18 24 43.4725979395 -45 24 43.751120696           ~ 9 0
136 UCAC4 335-160284 * 18 25 01.841 -23 08 09.82       13.53   G5III 10 0
137 V* V3816 Sgr C* 18 25 01.8626214968 -23 08 04.250526886         15.07 R 11 0
138 ASAS J182715-2511.9 V* 18 27 15.0 -25 11 54           ~ 1 0
139 2MASS J18272608-0434473 TT* 18 27 26.0722189228 -04 34 47.459787153   12.40 11.43     G5III 5 0
140 V* V391 Sct RC* 18 28 06.6114929963 -15 54 44.126481784         11.834 ~ 8 0
141 V* VV Ser Ae* 18 28 47.8619658319 +00 08 39.924642619 12.99 12.63 11.80 11.01 10.24 A5Ve 226 0
142 MACHO 301.45783.9 RC* 18 32 18.60 -13 10 49.6           ~ 6 0
143 CD-44 12736 PM* 18 36 25.9487430436 -44 18 36.919462094   10.83 10.22     G0 193 0
144 V* IZ Sgr V* 18 36 31.26 -20 59 15.5           M6 3 0
145 IRAS 18364+4720 LP* 18 37 51.2556887394 +47 23 23.467920380           ~ 11 0
146 V* V348 Sgr pA* 18 40 19.9270532749 -22 54 29.388019146   12.1       B0/1?I?e 169 0
147 V* MV Sgr RC* 18 44 31.9666068866 -20 57 12.864459437 12.82 13.56 12.00 13.37   B2pec-Hd 101 0
148 V* FH Sct RC* 18 45 14.8469438751 -09 25 36.108779036           C 25 0
149 V* V CrA RC* 18 47 32.3131482 -38 09 32.324962   10.67 8.30     R0 97 0
150 Kiso C4-43 RC* 18 58 41.8035336436 -02 20 11.296204043   14.2       C 5 0
151 V* V4152 Sgr C* 18 58 47.2883351227 -29 30 18.073143768   10.58 9.41     C-Hd 49 0
152 IRAS 18575-0207 RC* 19 00 09.4402615928 -02 02 57.902774382         10.960 ~ 2 0
153 IRAS 18592+1451 RC* 19 01 33.6844841349 +14 56 09.593597025   16       ~ 4 0
154 TYC 6283-1417-1 RC* 19 06 39.8743148757 -16 23 59.153175576   11.52 10.77   10.202 ~ 3 0
155 IRAS 19047-1539 Mi* 19 07 39.9470242089 -15 35 01.524188237   13.17 11.47     M6 1 0
156 V* SV Sge RC* 19 08 11.7739097448 +17 37 41.166662185           R2 60 0
157 ASAS J190842-4322.1 Mi* 19 08 42.0 -43 22 06           M8 1 0
158 V* V1157 Sgr C* 19 10 11.8268286893 -20 29 41.981181059           R 16 0
159 V* RY Sgr RC* 19 16 32.7669543079 -33 31 20.337025534 6.20 6.27 6.25     Cpec 353 0
160 ASAS J192613+0501.5 V* 19 26 13.0 +05 01 30           M0I 1 0
161 V* ES Aql RC* 19 32 21.6146661742 -00 11 30.960387677           C 29 0
162 V* RZ Vul V* 19 47 14.1339607809 +19 29 17.307859512           G5III 6 0
163 V* PT Aql RC* 19 53 43.1520001710 +14 41 09.364471040           ~ 8 0
164 V* V560 Aql Mi* 19 55 38.0092145471 -00 18 42.812414617           M9 8 1
165 V* V482 Cyg RC* 19 59 42.5732551354 +33 59 27.936234414   12.91 11.36   9.029 C-Hd 58 0
166 V* CF Vul LP* 20 00 54.5529511172 +23 05 45.798738361   12.64 11.44     G 5 0
167 V* EF Vul LP* 20 15 18.6026484208 +26 03 37.946961904   13.16 11.95     G8V 3 0
168 NSV 13098 RC* 20 30 04.9664788076 -62 07 59.223607143   14     15.816 ~ 4 0
169 V* V1983 Cyg C* 21 13 11.1533309612 +40 11 25.221258271           N 10 0
170 Case 661 C* 21 43 33.6704649657 +49 08 58.154987695           C 11 0
171 V* U Aqr RC* 22 03 19.6991502652 -16 37 35.280449107   12.16 11.17     C-Hd 85 0
172 V* UV Cas RC* 23 02 14.6592699751 +59 36 36.688527342   11.89 11.80     F0/5Ib 53 0
173 NAME Galactic Bulge reg ~ ~           ~ 3331 0

    Equat.    Gal    SGal    Ecl

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2020.04.06-12:11:31

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