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

HD 162868


Contents

Images

Upload your image

DSS Images   Other Images


Related articles

Photometric variability in chromospherically active stars. III - The binary stars
Differential UBV photometry of 49 late-type chromospherically activebinary stars has been obtained. A total of 12,353 differential UBVmagnitudes have been acquired and are used to determine seasonalphotometric periods, amplitudes, mean brightnesses, maximum spotamplitudes, 'unspotted' differential magnitudes, and times of minimumlight. Standard Fourier techniques are used to investigate the cause ofthe light variability. Eight stars are found which exhibit lightvariations due not to spot activity but rather to ellipticity and/orreflection effect. Others show combinations of all three effects. Someof the systems also show substantial differences between theirrotational and orbital period.

Submit a new article


Related links

  • - No Links Found -
Submit a new link


Member of following groups:


Observation and Astrometry data

Constellation:Ophiucus
Right ascension:17h52m54.60s
Declination:+08°41'29.5"
Apparent magnitude:9.665
Proper motion RA:11.4
Proper motion Dec:5.6
B-T magnitude:11.191
V-T magnitude:9.791

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 162868
TYCHO-2 2000TYC 1007-1751-1
USNO-A2.0USNO-A2 0975-09894782

→ Request more catalogs and designations from VizieR