2018MNRAS.481.4397C

Query : 2018MNRAS.481.4397C

2018MNRAS.481.4397C - Mon. Not. R. Astron. Soc., 481, 4397-4409 (2018/December-3)

Outliers: multicolour photometry guiding the search for evolved binary systems in the globular cluster 47 Tucanae.

CAMPOS F., PELISOLI I., KAMANN S., HUSSER T.-O., DREIZLER S., BELLINI A., ROBINSON E.L., NARDIELLO D., PIOTTO G., KEPLER S.O., ISTRATE A.G., WINGET D.E., MONTGOMERY M.H. and DOTTER A.

Abstract (from CDS):

We use Hubble Space Telescope multicolour photometry of the globular cluster 47 Tucanae to uncover a population of 24 objects with no previous classification that are outliers from the single-star model tracks in the colour-magnitude diagram and yet are likely cluster members. By comparing those sources with evolutionary models and X-ray source catalogues, we were able to show that the majority of those sources are likely binary systems that do not have any X-ray source detected nearby, most possibly formed by a white dwarf and a main-sequence star and a small number of possible double-degenerate systems.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): binaries: general - Hertzsprung-Russell and colour-magnitude diagrams - white dwarfs - globular clusters: individual: 47 Tuc

Nomenclature: Table 1: [CPK2018] NN (Nos 1-30).

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 6

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Number of rows : 6
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 V* AR UMa CV* 11 15 44.5891034908 +42 58 22.431026739     16.4     O9I 154 0
4 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
5 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
6 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0

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