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Name
  RX Cep  
AAVSO UID
000-BBC-094 (16441 observations)  
Constellation
Cepheus Sequence
J2000.0
00 50 04.64 +81 58 02.0  (12.51933 +81.96722) Search nearby
B1950.0 00 45 54.22 +81 41 41.8
Proper motion
RA: -2.629 +/- 0.041 mas/yDec: -2.724 +/- 0.041 mas/ySource: Gaia DR1
Galactic coord. 122.882 +19.096
Other names

(Internal only)
AAVSO 0041+81 ASASSN-V J005004.69+815802.4 BD+81 18
HD 4499 HIP 3905 SAO 130
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Variability type
CST:
Spectral type G6II
Mag. range
7.38 V
Discoverer Edward Pickering (1881)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Constant star in Hipparcos and in IBVS 3761, although the latter source shows V= 7.44.
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References
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1 IBVS #3761 1992IBVS.3761....1Z
2 W.Quester, Sky and Tel 22, N1, 28, 1961. --
3 P.P.Parenago, Tr. Gos. Astron. Inst. Sternberg 12, Issue 1, 1938. --
4 Dunér, N. C.; Hartwig, E.; Muller, G., 1909, Benennung von neu entdeckten
veränderlichen Sternen
1909AN....182..321D
External Links
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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 = 5.48H = 5.02K = 4.91J - K = 0.57
AllWISE W1 = 4.86W2 = 4.77W3 = 4.84W4 = 4.77W1 - W2 = 0.09W3 - W4 = 0.07
APASS-DR9 B = 8.39V = 7.36g' = 7.89r' = 7.06i' = 6.75B - V = 1.03
Images
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
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5 Fernig, Leo 2022-09-21 20:30 UTC Discoverer updated from 1909AN....182..321D p323
4 Otero, Sebastian Alberto 2011-05-11 22:52 UTC Reference added.
3 Otero, Sebastian Alberto 2011-05-11 22:45 UTC Variability type changed. V-magnitude added.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.