The first CCD photometric study of the open cluster NGC 2126

A. Gáspár, L. L. Kiss, T. R. Bedding, A. Derekas, S. Kaspi, C. Kiss, K. Sárneczky, Gy M. Szabó, M. Váradi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We present the first CCD photometric observations of the northern open cluster NGC 2126. Data were taken on eight nights in February and December 2002 with a total time span of ∼57 hours. Almost 1000 individual V-band frames were examined to find short-period variable stars. We discovered six new variable stars, of which one is a promising candidate for an eclipsing binary with a pulsating component. Two stars were classified as δ Scuti stars and one as Algol-type eclipsing binary. Two stars are slow variables with ambiguous classification. From absolute V(RI)C photometry we have estimated the main characteristics of the cluster: m - M = 11m.0 ± 0m.5, E(V - I) = 0m.4 ± 0m.1, E(V - R) = 0m.08 ± 0m.06 (E(B - V) = 0 m.2 ± 0m.15) and d = 1.3 ± 0.6 kpc. Cluster membership is suggested for three variable stars from their positions on the colour-magnitude diagram.

Original languageEnglish
Pages (from-to)879-885
Number of pages7
JournalAstronomy and Astrophysics
Volume410
Issue number3
DOIs
Publication statusPublished - Nov 2003

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variable stars
open clusters
charge coupled devices
diagram
stars
color-magnitude diagram
extremely high frequencies
night
photometry

Keywords

  • δ Sct
  • NGC 2126
  • Open cluster and associations: general
  • Open clusters and associations: individual
  • Stars: variables: general

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Gáspár, A., Kiss, L. L., Bedding, T. R., Derekas, A., Kaspi, S., Kiss, C., ... Váradi, M. (2003). The first CCD photometric study of the open cluster NGC 2126. Astronomy and Astrophysics, 410(3), 879-885. https://doi.org/10.1051/0004-6361:20031311

The first CCD photometric study of the open cluster NGC 2126. / Gáspár, A.; Kiss, L. L.; Bedding, T. R.; Derekas, A.; Kaspi, S.; Kiss, C.; Sárneczky, K.; Szabó, Gy M.; Váradi, M.

In: Astronomy and Astrophysics, Vol. 410, No. 3, 11.2003, p. 879-885.

Research output: Contribution to journalArticle

Gáspár, A, Kiss, LL, Bedding, TR, Derekas, A, Kaspi, S, Kiss, C, Sárneczky, K, Szabó, GM & Váradi, M 2003, 'The first CCD photometric study of the open cluster NGC 2126', Astronomy and Astrophysics, vol. 410, no. 3, pp. 879-885. https://doi.org/10.1051/0004-6361:20031311
Gáspár, A. ; Kiss, L. L. ; Bedding, T. R. ; Derekas, A. ; Kaspi, S. ; Kiss, C. ; Sárneczky, K. ; Szabó, Gy M. ; Váradi, M. / The first CCD photometric study of the open cluster NGC 2126. In: Astronomy and Astrophysics. 2003 ; Vol. 410, No. 3. pp. 879-885.
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