2021ApJ...923..232R

Query : 2021ApJ...923..232R

2021ApJ...923..232R - Astrophys. J., 923, 232-232 (2021/December-3)

The sample of red supergiants in 12 low-mass galaxies of the Local Group.

REN Y., JIANG B., YANG M., WANG T. and REN T.

Abstract (from CDS):

This work establishes the most complete sample of red supergiants (RSGs) in 12 low-mass galaxies (WLM, IC 10, NGC 147, NGC 185, IC 1613, Leo A, Sextans B, Sextans A, NGC 6822, Pegasus Dwarf, SMC, and LMC) of the Local Group, which forms a solid basis to study the properties of RSGs as well as the star formation rate and initial mass function of the galaxies. After removing the foreground dwarf stars by their obvious branch in the near-infrared color-color diagram ((J-H)0/(H-K)0) with the UKIRT/WFCAM and 2MASS photometry as well as the Gaia/EDR3 measurements of proper motion and parallax, RSGs are identified from their location in the color-magnitude diagram (J-K)0/K0 of the member stars of the specific galaxy. A total of 2190 RSGs are found in 10 dwarf galaxies, and additionally, 4823 and 2138 RSGs are found in LMC and SMC, respectively. The locations of the tip of the red giant branch in the (J-K)0/K0 diagram are determined to serve as an indicator of the metallicity and distance modulus of the galaxies.

Abstract Copyright: © 2021. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Massive stars - Red supergiant stars - Galaxy stellar content - Local Group - Dwarf galaxies - Magellanic Clouds - Catalogs

VizieR on-line data: <Available at CDS (J/ApJ/923/232): table1.dat table5.dat table6.dat>

Status at CDS : Examining the need for a new acronym. // All or part of tables of objects will be ingested in SIMBAD with priority 1.

Simbad objects: 19

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Number of rows : 19
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NAME Wolf-Lundmark-Melotte G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 691 2
2 IC 10 G 00 20 25.50 +59 17 17.0   13.6 9.5     ~ 1118 1
3 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 687 1
4 NGC 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 800 1
5 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12643 1
6 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11145 1
7 IC 1613 GiC 01 04 48.4071 +02 07 10.185   10.42 10.01 9.77   ~ 1235 2
8 NGC 465 OpC 01 15 42 -73 19.7           ~ 29 0
9 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5838 1
10 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7062 0
11 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17428 0
12 NAME Leo A G 09 59 26.46 +30 44 47.0 14.08 13.54 13.26 13.33   ~ 615 0
13 NAME Sextans B H2G 10 00 00.8217342072 +05 20 09.533389560 12.77 12.25 11.89 11.71   ~ 528 0
14 NGC 3109 AG? 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 769 2
15 NAME Sex A H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 727 2
16 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1562 0
17 NAME PegDIG G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 474 1
18 NAME Peg dSph GiG 23 51 46.4 +24 35 11   14.5 13.2     ~ 236 2
19 NAME Local Group GrG ~ ~           ~ 8387 0

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