2021MNRAS.507..282V


Query : 2021MNRAS.507..282V

2021MNRAS.507..282V - Mon. Not. R. Astron. Soc., 507, 282-299 (2021/October-2)

Role of host galaxy in the formation of multiple stellar populations: analysis of NGC 1786 and NGC 1898.

VANARAJ V., NIEDERHOFER F. and GOUDFROOIJ P.

Abstract (from CDS):

Even after decades of research, the origin of multiple stellar populations in globular clusters (GCs) remains enigmatic. The question as to whether the galaxy environment plays a role in their formation remains unanswered. To that extent, we analysed two classical (>10 Gyr old) Large Magellanic Cloud GCs, NGC 1786 and NGC 1898, using imaging data from Hubble Space Telescope to compare and contrast them with ancient Galactic GCs to assess systematic differences that might exist between their abundance variations. We calculated their red giant branch width, subtracted the effect of metallicity, and compared it with the available data on Galactic GCs by plotting them against initial and current cluster mass. We see that the two clusters follow the same general trend as that of the Galactic GCs, and Galactic GCs from different progenitors follow the same general trend as one another, indicating that the galaxy environment may only play a minor role in the formation of multiple stellar populations within GCs.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): Hertzsprung-Russell and colour-magnitude diagrams - globular clusters: general - galaxies: individual: LMC - galaxies: star clusters: individual: (NGC 1786, NGC 1898)

Simbad objects: 17

goto Full paper

goto View the references in ADS

Number of rows : 17
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 Cl Lindsay 1 Cl* 00 03 53.50 -73 28 15.0   11.7       ~ 125 0
2 NGC 121 GlC 00 26 49.0 -71 32 10   11.2 11.24     ~ 330 0
3 ESO 51-3 Cl* 00 48 50 -69 52.2   16.2       ~ 57 0
4 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
5 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1130 0
6 NGC 339 OpC 00 57 47.62 -74 28 14.6 13.23 12.94 12.21   11.20 ~ 157 0
7 NGC 416 Cl* 01 07 59.03 -72 21 20.5 12.73 12.55 11.76   10.71 ~ 156 1
8 Cl Lindsay 113 Cl* 01 49 30.0 -73 43 40   11.9       ~ 97 0
9 MCG-06-07-001 G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1894 1
10 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
11 NGC 1786 Cl* 04 59 07.470 -67 44 45.44   10.1       ~ 152 0
12 NGC 1783 GlC 04 59 08.590 -65 59 15.84   10.9 10.93     ~ 273 0
13 NGC 1898 As* 05 16 45.380 -69 39 16.76   12.62 11.86     ~ 104 0
14 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
15 NGC 1978 GlC 05 28 45.330 -66 14 12.04   10.7 10.70     ~ 317 0
16 NGC 2121 Cl* 05 48 13.190 -71 28 52.00   13.21 12.37     ~ 134 0
17 NAME Gaia Enceladus-Sausage St* ~ ~           ~ 860 0

To bookmark this query, right click on this link: simbad:objects in 2021MNRAS.507..282V and select 'bookmark this link' or equivalent in the popup menu