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Name
  CY Aqr  
AAVSO UID
000-BCQ-585 (37706 observations)  
Constellation
Aquarius Sequence
J2000.0
22 37 47.85 +01 32 03.8  (339.44937 +1.53439) Search nearby
B1950.0 22 35 14.58 +01 16 30.7
Proper motion
RA: 39.50 +/- 2.74 mas/yDec: -67.08 +/- 2.03 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 69.232 -46.923
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2232+01 AN 391.1934 ASAS J223748+0132.1
BD+00 4900 HIP 111719 TYC 567-1848-1
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Variability type
SXPHE
Spectral type A2-A8
Mag. range
10.42 - 11.14 V
Discoverer Cuno Hoffmeister
Epoch
13 Nov 2003 (HJD 2452956.629) Ephemeris
Outburst --
Period 0.06103837 d  (87.89525 min)
Rise/eclipse dur. 26%  (22.853 min)
Remarks
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1 GCVS Team Delta(S) = 2. P var; abrupt change ~1952. Before JD2434000 Max = 2434308.4314 + 0.061038509d*E. The shape of the light curve probably varies. For M - m different authors give values from 0.23p to 0.40p. Beat phenomenon with P2 = 0.2182d is possible [A.Figer, IBVS N1388, 1978.].
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Hamid A.Mahdy, B.Szeidl, Bud Mitt N74, 1980. 1980CoKon..74....1M
3 P.G.Koulikovsky, Abastumani Byull. N1, 1937. --
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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 = 10.31H = 10.14K = 10.14J - K = 0.17
AllWISE W1 = 10.00W2 = 10.02W3 = 10.00W1 - W2 = -0.02
APASS-DR9 B = 11.40V = 11.04g' = 11.19r' = 10.97i' = 10.94B - V = 0.36
GALEX-DR5 FUV = 17.67NUV = 14.15FUV - NUV = 3.52
SDSS-DR12 u = 14.09g = 10.74r = 10.76i = 10.74z = 11.01u - g = 3.35r - i = 0.02
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2025-03-06 04:45 UTC Period from AAVSO data.
3 Otero, Sebastian Alberto 2015-10-30 22:00 UTC Range and period from ASAS-3 data.
2 Admin, VSX 2010-01-05 04:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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