AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 3
Log in to retrieve additional aliases from SIMBAD.
Name
  BF Cyg  
AAVSO UID
000-BCG-634 (30906 observations)  
Constellation
Cygnus Sequence
J2000.0
19 23 53.51 +29 40 29.2  (290.97296 +29.67478) Search nearby
B1950.0 19 21 55.32 +29 34 34.5
Galactic coord. 62.928 +6.697
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19235351+2940292 AAVSO 1920+29 ALS 10279
AN 112.1914 ASASSN-V J192353.65+294029.5 Downes BF Cyg
GSC 02137-00234 Hen 3-1747 LS II +29 5
MWC 315 TYC 2137-234-1  
(Not logged in)  Add name
Variability type
ZAND
Spectral type Bep+M5III
Mag. range
9.1 - 13.5 V
Discoverer --
Epoch
15 Dec 2007 (HJD 2454450) Ephemeris
Outburst --
Period 755 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team P orb = 750d [A.A.Boyarchuk, Izv. Krymsk. Astrofiz. Obs. 39, 124, 1969.]. Irregular light variations and sometimes observed brightenings by 2m - 3m are superimposed by semiregular oscillations with the cycle 755d [L.Jacchia, HB N915, 1941., M.Beyer, Bamb Ver 10, N120, 1976.].
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
2 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
3 J.G.Hagen, J.Stein, ASV VIII. 1989eerz.book.....H
4 M.Beyer, Bamb Ver 10, N120, 1976. --
5 Hartwig, E.; Kempf, P.; Muller, G., 1919, Benennung von neu entdeckten
veraenderlichen Sternen
1919AN....208...57.
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Stellar Association Membership
 ASCC 102 Open Cluster 2012A&A...548A..97Z
Campaigns/Programs
 Legacy CVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Fernig, Leo 2023-03-29 20:21 UTC Discoverer updated from 1919AN....208...57. page 66.
3 Otero, Sebastian Alberto 2016-06-08 06:51 UTC Period, epoch and range from AAVSO data.
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.