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

HD 206805


Contents

Images

Upload your image

DSS Images   Other Images


Related articles

New periodic variables from the Hipparcos epoch photometry
Two selection statistics are used to extract new candidate periodicvariables from the epoch photometry of the Hipparcos catalogue. Theprimary selection criterion is a signal-to-noise ratio. The dependenceof this statistic on the number of observations is calibrated usingabout 30000 randomly permuted Hipparcos data sets. A significance levelof 0.1 per cent is used to extract a first batch of candidate variables.The second criterion requires that the optimal frequency be unaffectedif the data are de-trended by low-order polynomials. We find 2675 newcandidate periodic variables, of which the majority (2082) are from theHipparcos`unsolved' variables. Potential problems with theinterpretation of the data (e.g. aliasing) are discussed.

The 74th Special Name-list of Variable Stars
We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.

Luminosity and motion of large proper motion stars. II - Stars with annual proper motion larger than 0.7 arc seconds
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1983ApJS...51..183E&db_key=AST

Catalogs of proper motion stars. II - Stars brighter than visual magnitude 15 and south of declination +30 deg with annual proper motion between 0.7 and 1.0 arcsec
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980ApJS...43..457E&db_key=AST

Dwarf K and M stars in the southern hemisphere.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972AJ.....77..486U&db_key=AST

Submit a new article


Related links

  • - No Links Found -
Submit a new link


Member of following groups:


Observation and Astrometry data

Constellation:Ινδός
Right ascension:21h46m35.72s
Declination:-57°59'48.4"
Apparent magnitude:8.962
Proper motion RA:-10.8
Proper motion Dec:-17.6
B-T magnitude:11.075
V-T magnitude:9.137

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 206805
TYCHO-2 2000TYC 8815-741-1
USNO-A2.0USNO-A2 0300-37351425
HIPHIP 107523

→ Request more catalogs and designations from VizieR