2014MNRAS.437.1628S

Query : 2014MNRAS.437.1628S

2014MNRAS.437.1628S - Mon. Not. R. Astron. Soc., 437, 1628-1635 (2014/January-2)

The open cluster NGC 7142: interstellar extinction, distance and age.

STRAIZYS V., MASKOLIUNAS M., BOYLE R.P., ZDANAVICIUS K., ZDANAVICIUS J., LAUGALYS V. and KAZLAUSKAS A.

Abstract (from CDS):

The results of medium-band photometry of 1037 stars in the area of the old open cluster NGC 7142 down to V = 20.1mag in the Vilnius seven-colour system are presented. Photometric results are used to classify in spectral and luminosity classes about 80 per cent of stars down to V = 18.5mag, to identify cluster members, to determine the main cluster parameters and to investigate the interstellar extinction in this direction. The average extinction AV of the cluster is about 1.1mag [E(B - V) = 0.35], and its distance is 2.3kpc (the distance modulus 11.8mag). The age of the cluster, 3.0Gyr, is estimated from the intrinsic colour-magnitude diagram with individual dereddening of each star and the Padova isochrones. The surface distribution of the extinction is shown. The reddening of the eclipsing variable V375 Cep is found to be close to the average reddening of the cluster. Probably, the cluster contains five red clump giants, two asymptotic branch stars and four blue stragglers.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): stars: fundamental parameters - dust, extinction - open clusters and associations: individual: NGC 7142

VizieR on-line data: <Available at CDS (J/MNRAS/437/1628): table2.dat>

Nomenclature: Table 2: [SMB2014b] NNNN (Nos 1-1037).

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

Simbad objects: 10

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Number of rows : 10
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 NCP reg 00 00 00 +90 00.0           ~ 186 0
2 NGC 188 OpC 00 47 11.5 +85 14 38           ~ 922 0
3 NGC 2682 OpC 08 51 23.0 +11 48 50           ~ 2342 0
4 LDN 1183 DNe 21 42.1 +66 14           ~ 10 0
5 NGC 7129 OpC 21 42 58 +66 06.8     11.5     ~ 260 0
6 TGU H645 P2 DNe 21 43.3 +66 04           ~ 3 0
7 V* V375 Cep EB* 21 44 54.7497002952 +65 43 55.291970820   16.882 16.115   15.035 ~ 17 0
8 NGC 7142 OpC 21 45 09.6 +65 46 55   10.36 9.3     ~ 143 0
9 NAME Cepheus Flare MoC 23 34 +72.0           ~ 128 0
10 NAME Local Arm reg ~ ~           ~ 538 0

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