2019MNRAS.488.1760S


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.05CET17:27:38

2019MNRAS.488.1760S - Mon. Not. R. Astron. Soc., 488, 1760-1778 (2019/September-2)

On the Gaia DR2 distances for Galactic luminous blue variables.

SMITH N., AGHAKHANLOO M., MURPHY J.W., DROUT M.R., STASSUN K.G. and GROH J.H.

Abstract (from CDS):

We examine parallaxes and distances for Galactic luminous blue variables (LBVs) in the Gaia second data release (DR2). The sample includes 11 LBVs and 14 LBV candidates. For about half of the sample, DR2 distances are either similar to commonly adopted literature values, or the DR2 values have large uncertainties. For the rest, reliable DR2 distances differ significantly from values in the literature, and in most cases the Gaia DR2 distance is smaller. Two key results are that the S Doradus instability strip may not be as clearly defined as previously thought, and that there exists a population of LBVs at relatively low luminosities. LBVs seem to occupy a wide swath from the end of the main sequence at the blue edge to ∼8000 K at the red side, with a spread in luminosity reaching as low as log(L/L) ≃ 4.5. The lower-luminosity group corresponds to effective single-star initial masses of 10-25 M, and includes objects that have been considered as confirmed LBVs. We discuss implications for LBVs including (1) their instability and origin in binary evolution, (2) connections to some supernova (SN) impostors such as the class of SN 2008S-like objects, and (3) LBVs that may be progenitors of SNe with dense circumstellar material across a wide initial mass range. Although some of the Gaia DR2 distances for LBVs have large uncertainty, this represents the most direct and consistent set of Galactic LBV distance estimates available in the literature.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): binaries: general - stars: evolution - stars: massive - stars: winds, outflows

Status at CDS : Tables of objects will be appraised for possible ingestion in SIMBAD.

Simbad objects: 65

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Number of rows : 65

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11217 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9710 1
3 NAME NGC 300 OT2008-1 ev 00 54 34.16 -37 38 28.6           ~ 110 1
4 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5253 1
5 Brey 3 WR* 04 52 57.3973799275 -66 41 13.495098750 13.793 14.531 14.640   14.527 WN4b 35 0
6 V* S Dor sg* 05 18 14.3572490675 -69 15 01.148131817 9.08 10.39 10.25 9.74 9.14 A5Iaeq 352 0
7 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 15214 1
8 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4563 2
9 HD 269858 s*b 05 36 43.6942807271 -69 29 47.449383685   10.24 10.15 9.95 9.05 LBV 268 2
10 HD 80077 s*b 09 15 54.7869106351 -49 58 24.573847509 10.50 10.29 9.00 7.89   B2Ia+e 128 0
11 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1280 1
12 HD 90177 s*b 10 22 53.8426931454 -59 37 28.361118869 9.16 9.66 8 8.15   LBV 308 0
13 [SBW2007] 1 ISM 10 40 19.3813745314 -59 49 09.885316446     12.7     B1Iab 31 1
14 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 913 2
15 NAME Homunculus Nebula ISM 10 45 03.5 -59 41 04           ~ 330 1
16 * eta Car Em* 10 45 03.5455050 -59 41 03.951060 6.37 7.034 6.21 4.90 4.41 OBepec 2255 0
17 Cl Trumpler 16 OpC 10 45 10 -59 43.0   5.35 5.0     ~ 438 0
18 WRAY 15-682 WR* 10 53 59.5776214569 -60 26 44.358376205   11.64 10.85 10.56   WN11h 139 3
19 V* AG Car WR* 10 56 11.5779283438 -60 27 12.809532379 7.00 7.57 6.96 7.73   WN11h 598 0
20 MR 35 s*b 11 08 40.0633818066 -60 42 51.718989987   12.33 10.20 11.66   LBV 118 0
21 NAME Sher 25 star * 11 15 07.6444076894 -61 15 17.608695337   13.63 12.27     B1.5Iab 73 1
22 NGC 3603 OpC 11 15 18.6 -61 15 26           ~ 972 1
23 SN 2002bu SN* 12 17 37.18 +45 38 47.4     15.5     SNIIn? 48 2
24 M 51 GiP 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 3893 4
25 EM* VRMF 55 HXB 16 32 39.9394558656 -49 42 13.686750210     15     OB 10 0
26 Cl Westerlund 1 OpC 16 47 04.00 -45 51 04.9           ~ 485 0
27 Cl* Westerlund 1 W 243 s*b 16 47 07.5028508821 -45 52 29.152464693   19.873 15.730     LBV 53 0
28 [GKF2010] MN48 * 16 49 37.7019577257 -45 35 59.240910961   17.64 15.83 13.82 10.82 ~ 7 0
29 * zet01 Sco s*b 16 53 59.7270104119 -42 21 43.313745214 4.80 5.31 4.79 4.32 3.86 B1Ia-0ek 351 0
30 HD 326823 WR* 17 06 53.9048235954 -42 36 39.705015741 9.68 9.87 9.03 9.51   WNpec 73 1
31 [B61] 2 s*b 17 41 35.4374195439 -30 06 38.782935913   18.0 15.00 14.23 10.30 LBV_B[e]: 43 0
32 HD 160529 sg* 17 41 59.0257256544 -33 30 13.702939546 8.17 7.87 6.66 5.50 4.51 A2Ia 188 1
33 GAL 000.0+00.0 gam 17 45 39.60213 -29 00 22.0000           ~ 12014 0
34 GCIRS 34W WR* 17 45 39.73 -29 00 26.6           Ofpe/WN9 54 0
35 GCIRS 33SE Em* 17 45 40.02 -29 00 31.0           Ofpe/WN9 24 0
36 GCIRS 16NW WR* 17 45 40.0451 -29 00 26.847           Ofpe/WN9 128 0
37 GCIRS 16C WR* 17 45 40.12 -29 00 27.6           Ofpe/WN9 168 1
38 GCIRS 16SW WR* 17 45 40.1245 -29 00 29.018           Ofpe/WN9 144 0
39 GCIRS 16NE WR* 17 45 40.26 -29 00 27.2           Ofpe/WN9 142 0
40 NAME Quintuplet Cluster OpC 17 46 13.9 -28 49 48           ~ 462 0
41 [FMM95] 3 s*b 17 46 15.240 -28 50 03.58           LBV 142 1
42 [GMC99] D6 s*b 17 46 17.982 -28 49 03.46           LBV 58 0
43 WR 102ka WR* 17 46 18.12 -29 01 36.6           WN10 29 0
44 HD 316285 s*b 17 48 14.0369781568 -28 00 53.124817157 11.88 11.27 9.60 9.28   B0Ieq 181 2
45 NAME Sgr D MoC 17 48 41.75 -28 01 45.0           ~ 123 1
46 [KMN95] Star A s*b 18 08 40.312 -20 24 41.14           LBV 40 3
47 Ass Ser OB 1 As* 18 21 -14.4           ~ 74 0
48 HD 168607 s*b 18 21 14.8855350307 -16 22 31.760520819 10.23 9.82 8.28 8.55   B9Iaep 175 1
49 HD 168625 s*b 18 21 19.5486475779 -16 22 26.077308888 10.15 9.78 8.37 8.76   B6Iap 255 2
50 EM* MWC 930 s*b 18 26 25.2358693627 -07 13 17.823788411   14.20 11.51 11.87 9.40 B5/9Iaeq 42 1
51 V* V481 Sct s*b 18 33 55.2778598542 -06 58 38.634278867           LBV_B[e]: 45 0
52 IRAS 18344-0632 PN? 18 37 05.20632 -06 29 37.9752           ~ 56 0
53 BD-13 5061 sg* 18 39 26.1023386431 -13 50 47.162584517 10.86 10.75 9.89 9.98   B9Ia 34 1
54 MSX6C G026.4700+00.0207 s*b 18 39 32.2479397055 -05 44 20.194778342           LBV_B 37 1
55 * bet Sct SB* 18 47 10.4626934070 -04 44 52.363891614 6.15 5.31 4.22 3.43 2.86 G4IIa 181 0
56 IRAS 18576+0341 s*b 19 00 10.89456 +03 45 47.1096           B8I 83 1
57 BD+14 3887 Em* 19 21 33.9773483922 +14 52 56.908316938 11.86 11.3 9.89     B3Ibe 81 0
58 [KW97] 37-17 LP* 19 23 47.6416797701 +14 36 39.064626755     15.1     O4I 19 0
59 W 51 SNR 19 23 50 +14 06.0           ~ 1174 1
60 * P Cyg s*b 20 17 47.2020844 +38 01 58.552724 4.66 5.24 4.82 4.28 4.02 B1-2Ia-0ep 1140 1
61 IRAS 20298+4011 Em* 20 31 42.2841507943 +40 21 59.061205285     15.1     B:I[e] 87 0
62 Schulte 12 s*b 20 32 40.9574572449 +41 14 29.276333992 16.1 14.45 11.702     B3-4Ia+ 368 0
63 Ass Cyg OB 2 As* 20 33.2 +41 19           ~ 819 0
64 SN 2008S ev 20 34 45.33 +60 05 58.4   19.89 18.79 17.93   SNIIn? 215 1
65 SN 2009ip s*b 22 23 08.26 -28 56 52.4           LBV 284 0

    Equat.    Gal    SGal    Ecl

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2021.03.05-17:27:38

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