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Latest Details
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Name
  V0750 Cyg  
AAVSO UID
000-BCV-686 (699 observations)  
Constellation
Cygnus Sequence
J2000.0
20 49 21.23 +50 31 51.3  (312.33846 +50.53092) Search nearby
B1950.0 20 47 47.52 +50 20 38.7
Proper motion
RA: -8.3 +/- 2.2 mas/yDec: 1.5 +/- 5.2 mas/ySource: UCAC4
Galactic coord. 89.230 +4.221
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2046+50 IOMC 3583000051 IRC +50343
NSVS J2049215+503149 SVS 882  
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Variability type
M
Spectral type M5ea
Mag. range
11.2 - 16.4 V
Discoverer Pavel Petrovich Parenago
Epoch
27 Apr 1996 (HJD 2450201.0) Ephemeris
Outburst --
Period 432.9 d
Rise/eclipse dur. 47%  (203 d)
Remarks
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1 2016JAVSO..44..156K B-V= 2.11; V-R= 2.77
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References
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1 Karlsson, T.; Bengtsson, H.; Wikander, T.; et al., 2016, 50 forgotten Miras 2016JAVSO..44..156K
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1956ApJ...124..346C
5 W.Wenzel, AN 281, 179, 1953. 1953AN....281..179W
6 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 = 4.71H = 3.79K = 2.94J - K = 1.78
AllWISE W3 = 0.83W4 = 0.34W3 - W4 = 0.48
APASS-DR9 B = 15.14V = 13.07g' = 14.39r' = 10.98i' = 8.03B - V = 2.07
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 49 21.23 +50 31 51.3 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Karlsson, Thomas 2017-03-10 22:34 UTC Elements, range, B-V and V-R from 2016JAVSO..44..156K. Discoverer from PZ, 5, 206, 1938
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.