Home     Getting Started     To Survive in the Universe    
Inhabited Sky
    News@Sky     Astro Photo     The Collection     Forum     Blog New!     FAQ     Press     Login  

HD 63712


Contents

Images

Upload your image

DSS Images   Other Images


Related articles

Simultaneous UV and optical observations of sigma G an RS CVn-like star: Preliminary results
Some UV spectra of sigma Gem are discussed. The ground-basedobservations include medium dispersion (40 A/mm) optical spectra and UBVphotoelectric photometry. The binary system belongs to the long-periodgroup. The width at the base of the K line of Mg II was found tocorrespond to 430 + or - 20 km/s, implying a value Msubv=-4.9 + or -0.3. This improbably large luminosity for a Ki III star indicates thatthe Weiler-Oegele relation does not work in this case. The shortwavelength low resolution International Ultraviolet Explorer spectrashow the strong activity of the system. The long wavelength spectrumshows only the resolved Mg doublet and a trace of rising continuum atthe long wavelength end. Ground based UBV data are in agreement withother observations.

Submit a new article


Related links

  • - No Links Found -
Submit a new link


Member of following groups:


Observation and Astrometry data

Constellation:ふたご座
Right ascension:07h51m26.59s
Declination:+29°10'04.8"
Apparent magnitude:7.012
Distance:387.597 parsecs
Proper motion RA:-4.8
Proper motion Dec:4.9
B-T magnitude:8.089
V-T magnitude:7.101

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 63712
TYCHO-2 2000TYC 1937-1537-1
USNO-A2.0USNO-A2 1125-05385991
HIPHIP 38363

→ Request more catalogs and designations from VizieR