2004PASP..116..536B


Query : 2004PASP..116..536B

2004PASP..116..536B - Publ. Astron. Soc. Pac., 116, 536-542 (2004/June-0)

A search for evolutionary changes in the periods of cepheids using archival data from the Harvard observatory plate collection. II. V1496 Aquilae.

BERDNIKOV L.N., SAMUS N.N., ANTIPIN S.V., EZHKOVA O.V., PASTUKHOVA E.N. and TURNER D.G.

Abstract (from CDS):

A total of 1796 magnitude estimates are presented for the recently discovered long-period (P=65 days) Cepheid V1496 Aql, obtained using the photographic plate collections of the Maria Mitchell Observatory, the Harvard College Observatory, and the Sternberg Astronomical Institute. The data, in combination with 83 photoelectric observations obtained at Mount Maidanak (Uzbekistan) and the South African Astronomical Observatory, cover a time baseline in the resulting O-C data for the variable spanning an interval of about 110 years. That circumstance allowed us to conduct a study of period changes in V1496 Aql, which appear to be dominated by random fluctuations in pulsation period.

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Journal keyword(s): Stars: Variables: Cepheids - Stars: Evolution

Simbad objects: 2

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Number of rows : 2
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 V* V1496 Aql cC* 18 54 59.5330009152 -00 04 36.367589460   12.449 10.226   7.756 ~ 32 0
2 V* S Vul cC* 19 48 23.8063718736 +27 17 11.428754460   11.392 9.551 8.775   K0 211 0

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