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Name
  ST Aqr  
AAVSO UID
000-BDD-401 (318 observations)  
Constellation
Aquarius Sequence
J2000.0
22 21 01.89 -06 57 51.4  (335.25788 -6.96428) Search nearby
B1950.0 22 18 24.53 -07 12 59.9
Proper motion
RA: 33.571 +/- 0.968 mas/yDec: 13.325 +/- 0.889 mas/ySource: Gaia DR1
Galactic coord. 55.417 -49.043
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AN 134.1908 ASAS J222102-0657.9 BD-07 5753
HD 211965 HV 3155 SAO 146035
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Variability type
EB
Spectral type A7:+G8IV:
Mag. range
9.15 - 9.67 V
Discoverer --
Epoch
14 Aug 2002 (HJD 2452500.58) Ephemeris
Outburst --
Period 0.7809919 d  (18.74381 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team Min II 9.37. P var. Min = 2423640.271 + 0.78101367d*E (JD2423500 - 26000) [A.V.Solov'ev, Astron. Tsirk. N16, 1943.]. Since JD2439700 - see Table.
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References
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1 Bob Nelson's O-C files, 2016 --
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1956ApJ...123..246R
4 Zacharov G., Trudy Tashkentskoj Astronomicheskoj Observatorii, vol. 1,
pp.33-86
1928TrTas...1...33Z
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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 = 8.41H = 8.22K = 8.15J - K = 0.26
AllWISE W1 = 8.05W2 = 8.10W3 = 8.08W4 = 7.86W1 - W2 = -0.05W3 - W4 = 0.22
APASS-DR9 B = 10.07
GALEX-DR5 FUV = 18.05NUV = 13.63FUV - NUV = 4.42
SDSS-DR12 u = 13.55g = 12.28r = 9.07i = 8.99z = 9.53u - g = 1.28r - i = 0.08
Images
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Supporting Documents
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Revision History
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3 Billiaert, Bruno 2014-09-07 11:33 UTC Added reference
2 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.