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  eta Cas  
000-BDK-280 (14 observations)  
Cassiopeia Sequence
00 49 06.29 +57 48 54.7  (12.27621 +57.81519) Search nearby
B1950.0 00 46 03.97 +57 33 02.0
Proper motion
RA: 1086.59 mas/yDec: -559.43 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 122.620 -5.055
Other names

(Internal only)
24 Cas 1RXS J004904.0+574917 ADS 671 A
BD+57 150 GJ 34.0 A HD 4614
HIP 3821 HR 219 IRC +60019
SAO 21732 TYC 3663-2669-1  
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Variability type
Spectral type G0V SB
Mag. range
3.47 V
Discoverer --
Outburst --
Period --
Rise/eclipse dur. --
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1 Otero, Sebastian Alberto K7V companion (V= 7.51) 13" away. Combined brightness: 3.44 V. Duplicity-induced variability in HIPPARCOS.
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1 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 2.11H = 2.09K = 1.99J - K = 0.12
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Revision History
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4 Otero, Sebastian Alberto 2016-11-29 20:30 UTC Type and magnitude from HIPPARCOS and GCPD data.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 15:53 UTC Added spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.