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Details for Revision 2
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Name
  SV Cyg  
AAVSO UID
000-BCK-733 (5832 observations)  
Constellation
Cygnus Sequence
J2000.0
20 09 30.09 +47 52 17.2  (302.37537 +47.87144) Search nearby
B1950.0 20 07 58.72 +47 43 23.3
Galactic coord. 83.257 +7.975
Other names

(Internal only)
AAVSO 2006+47 BD+47 3031 CGCS 4714
DO 38121 HD 191738 HIP 99310
IRAS 20079+4743 IRC +50316 PPM 59403
RAFGL 2516 TYC 3563-462-1  
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Variability type
LB
Spectral type C5,5-C7,4(N3)
Mag. range
11.67 - 13.2 B
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 2020JAVSO..48...50P Other period 410 d.
2 GCVS Team VB A (B 9.5m V, 145", 140deg).
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References
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1 Percy, J. R., 2020, Period Analysis of All-Sky Automated Survey for
Supernovae (ASAS-SN) Data on a Sample of “Irregular” Pulsating Red Giants		 2020JAVSO..48...50P
2 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2014yCat....102023S
3 The Hipparcos and Tycho Catalogues, Variability Annex: Periodic variables,
1997		 1997HIP...C......0E
4 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
6 Rodriguez, David R.V. 2023-03-22 20:24 UTC Type from 2020JAVSO..48...50P.
5 Fernig, Leo 2022-04-22 13:35 UTC Discoverer updated from 1907AnHar..55....1C page 28
4 Otero, Sebastian Alberto 2017-06-16 00:08 UTC Spectral type from Skiff (2014). Period, epoch and range from AAVSO V data.
3 Admin, VSX 2012-03-15 03:49 UTC Update from [1997HIP...C......0E].
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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