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Name
  WY Cyg  
AAVSO UID
000-BCP-395 (7141 observations)  
Constellation
Cygnus Sequence
J2000.0
21 48 42.18 +44 14 58.3  (327.17575 +44.24952) Search nearby
B1950.0 21 46 43.79 +44 00 58.6
Proper motion
RA: 8.3 +/- 0.9 mas/yDec: -5.1 +/- 1.0 mas/ySource: UCAC4
Galactic coord. 91.820 -7.308
Other names

(Internal only)
2MASS J21484218+4414582 AAVSO 2144+43 AN 164.1904
ASASSN-V J214842.13+441458.6 GSC 03196-00095 IRAS 21467+4400
IRC +40496 UCAC2 46978408  
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Variability type
M
Spectral type M5e-M6e
Mag. range
9.5 - 17.0 p
Discoverer L. Ceraski (12 October 1904)
Epoch
15 Aug 1981 (HJD 2444832.00) Ephemeris
Outburst --
Period 304.54 d
Rise/eclipse dur. 44%  (134 d)
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties		 2018A&A...616A...1G
2 W. Ceraski, 1904, Deux nouvelles variables 163.1904 Lacertae et 164.1904
Cygni		 1904AN....166..239C
3 T. Karlsson, Maxima of Mira stars --
4 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 = 4.78H = 3.78K = 3.02J - K = 1.77
AllWISE W3 = 1.23W4 = 0.74W3 - W4 = 0.48
APASS-DR9 B = 11.63V = 10.13g' = 11.47r' = 12.22B - V = 1.50
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 48 42.18 +44 14 58.3 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2020-05-15 00:51 UTC Gaia DR2 position.
3 Billiaert, Bruno 2015-12-29 14:48 UTC discoverer added (1904AN....166..239C)
2 Admin, VSX 2009-08-05 00:13 UTC Position from 2MASS.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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