NSV 5658, NSV 5660 and a new RR Lyrae variable in Canes Venatici

Details NSV 5658, NSV 5660 and a new RR Lyrae variable in Canes Venatici NSV 5658, NSV 5660 and a new RR Lyrae variable in Canes Venatici

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jbaa..101..172b&link_type=abstract

Journal of the British Astronomical Association, vol.101, no.3, p.172-174

Astronomy and Astrophysics

Astronomy

Rr Lyrae Stars

Scientific paper

While observing the suspected variable stars NSV 5658 and NSV 5660, the writer found one of the comparison stars to be a previously unknown RR Lyrae variable. This star is at 12h 27m 18s +48 07' (1950) and has a visual range of 11.2-11.9. It spends 0.14 of each period in rising from minimum to maximum and belongs to the RRab subgroup. Future maxima can be predicted from the elements Max=JD Hel.2446641.535 + 0.563636 x E. It is probable that both NSV 5658 and NSV 5660 are constant and that the earlier reports of their variability are a result of observers using the RR Lyrae variable as a comparison star.

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