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Latest Details
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Name
  ST Cep  
AAVSO UID
000-BCQ-479 (1504 observations)  
Constellation
Cepheus Sequence
J2000.0
22 30 10.74 +57 00 03.1  (337.54475 +57.00086) Search nearby
B1950.0 22 28 16.54 +56 44 38.6
Proper motion
RA: -3.745 +/- 0.417 mas/yDec: -2.629 +/- 0.442 mas/ySource: Gaia DR1
Galactic coord. 104.580 -0.750
Other names

(Internal only)
2MASS J22301074+5700032 AAVSO 2226+56 AN 25.1910
ASASSN-V J223010.94+570003.4 BD+56 2793 GSC 03991-00213
HD 239978 HV 3228 IRAS 22282+5644
IRC +60357 PPM 40757 RAFGL 2916
SAO 34529 TIC 63963820 TYC 3991-213-1
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Variability type
LC
Spectral type M2Ia-Iab
Mag. range
7.8 - 8.6 V
Discoverer Evelyn Leland (1910)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
2 N.F.Florja, Tr. Gos. Astron. Inst. Sternberg 16, 187, 1949. 1949TrSht..16..187F
3 Z.Kopal, V.Vand, Atlas d'etoiles variables 3, Serie 1, 1933. --
4 Dunér, N. C.; Hartwig, E.; Muller, G., 1910, Benennung von neu entdeckten
veränderlichen Sternen
1910AN....186..273D
External Links
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Location    Go   
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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 = 3.11H = 2.16K = 1.64J - K = 1.47
AllWISE W3 = -0.22W4 = -1.44W3 - W4 = 1.22
APASS-DR9 B = 10.36V = 8.01g' = 9.33r' = 7.15i' = 5.74B - V = 2.35
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 22 30 10.74 +57 00 03.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 ASCC 120 Open Cluster 2012A&A...548A..97Z
Campaigns/Programs
 SNEWS Campaign
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Fernig, Leo 2022-09-21 20:32 UTC Discoverer updated from 1910AN....186..273D p284
4 Otero, Sebastian Alberto 2021-02-24 20:56 UTC Range from AAVSO data.
3 Otero, Sebastian Alberto 2020-05-24 17:41 UTC Range from the GCVS (November 2019 version).
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.