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Name
  T Equ  
AAVSO UID
000-BCV-884 (297 observations)  
Constellation
Equuleus Sequence
J2000.0
21 15 45.37 +09 16 10.4  (318.93904 +9.26956) Search nearby
B1950.0 21 13 18.82 +09 03 39.0
Proper motion
RA: -15.4 +/- 1.6 mas/yDec: -15.0 +/- 1.7 mas/ySource: UCAC4
Galactic coord. 60.044 -26.348
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J21154537+0916100 AAVSO 2110+08B AN 35.1921
ASAS J211545+0916.1 BD+08 4637 DO 7278
GSC 01105-00472 IRAS 21133+0903 IRC +10490
PPM 171500 RAFGL 5593S TYC 1105-472-1
USNO-B1.0 0992-0587684    
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Variability type
SRB
Spectral type M3
Mag. range
8.9 - 11.0 V
Discoverer Balanowsky, 1921
Epoch
03 Oct 2004 (HJD 2453282.0) Ephemeris
Outburst --
Period 142.1 d
Rise/eclipse dur. 46%
Remarks
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1 Wunder, Edgar Secondary periods: 271 days, 155.6 days.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 M.Beyer, AN 262, 257, 1937. 1937AN....262..257B
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1934BHarO.897...12C
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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 = 4.10H = 3.08K = 2.68J - K = 1.42
AllWISE W3 = 1.90W4 = 1.50W3 - W4 = 0.40
APASS-DR9 B = 11.99V = 10.40g' = 11.17r' = 10.09B - V = 1.59
SDSS-DR12 u = 15.09g = 11.82r = 12.22i = 12.74z = 7.71u - g = 3.27r - i = -0.52
Images
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Supporting Documents
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Revision History
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4 Billiaert, Bruno 2014-05-11 19:00 UTC added discoverer
3 Wunder, Edgar 2013-04-12 20:15 UTC Type, periods, epoch and range from ASAS-3; position from UCAC4.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.