IR Com

IR Com is a short-period eclipsing dwarf nova in Coma Berenices, where the white dwarf and its accretion disc are periodically obscured by the companion star.

Photometry & Images

Catalogue	Gaia
RA	189.883274788°
DEC	21.135070525°
U	--
B	--
V	--
Parallax (mas)	4.60 ± 0.06

Light curve

Light curve2

TESS Data

AAVSO Data

aavsodataimage

Spectroscopy

Spectrum of IR Com

References

1. Feline W. J. et al. ULTRACAM photometry of the eclipsing cataclysmic variables GY Cnc, IR Com and HT Cas //Monthly Notices of the Royal Astronomical Society. – 2005. – Т. 364. – №. 4. – С. 1158-1167.

2. Manser C. J., Gänsicke B. T. Spectroscopy of the enigmatic short-period cataclysmic variable IR Com in an extended low state //Monthly Notices of the Royal Astronomical Society: Letters. – 2014. – Т. 442. – №. 1. – С. L23-L27.