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  V1659 Cyg  
000-BDP-476 (57 observations)  
Cygnus Sequence
20 29 05.51 +39 42 45.8  (307.27296 +39.71272) Search nearby
B1950.0 20 27 15.95 +39 32 42.0
Galactic coord. 78.465 +0.480
Other names

(Internal only)
IPHAS J202905.52+394245.8    
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Variability type
Spectral type M6.5
Mag. range
12.1 - 15.4 I
Discoverer --
22 Dec 1969 (HJD 2440578) Ephemeris
Outburst --
Period 770 d
Rise/eclipse dur. --
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2009MNRAS.400.1413W
2 P.Maffei, IBVS N1302, 1977. 1977IBVS.1302....1M
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 = 6.77H = 4.78K = 3.75J - K = 3.02
AllWISE W3 = 0.84W4 = -0.13W3 - W4 = 0.96
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 29 05.51 +39 42 45.8 (J2000)
Source STScI

Red, all sky, 1.0 arcsec/pixel
Supporting Documents
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Stellar Association Membership
 Roslund 6 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Admin, VSX 2017-12-15 21:58 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
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.