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HD 206805

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관련 글

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

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관측 및 측정 데이터

별자리:	인디언자리
적경:	21^h46^m35.72^s
적위:	-57Â°59'48.4"
가시등급:	8.962
적경상의 고유운동:	-10.8
적위상의 고유운동:	-17.6
B-T magnitude:	11.075
V-T magnitude:	9.137

천체목록:

일반명	(Edit)
HD 1989	HD 206805
TYCHO-2 2000	TYC 8815-741-1
USNO-A2.0	USNO-A2 0300-37351425
HIP	HIP 107523

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