AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 1
Log in to retrieve additional aliases from SIMBAD.
Name
  V1507 Cyg  
AAVSO UID
000-BDP-355 (22 observations)  
Constellation
Cygnus Sequence
J2000.0
19 48 41.90 +29 24 08.0  (297.17458 +29.40222) Search nearby
B1950.0 19 46 41.66 +29 16 34.2
Galactic coord. 65.305 +1.842
Other names

(Internal only)
BD+29 3754 HD 187399 HIP 97472
Hen 3-1780 MWC 321 SAO 87754
(Not logged in)  Add name
Variability type
E
Spectral type B8II-IIIep
Mag. range
6.92 - 7.04 V
Discoverer --
Epoch
08 Sep 1978 (HJD 2443760.37) Ephemeris
Outburst --
Period 27.9705 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 The epoch of a broad Min I (superior conjunction of the B component) is given; Min II 7.01; D II = 0.20P, Min II - Min I = 0.29P; e = 0.39. Unusual light curve [G.Hill, R.W.Hilditch, E.L.Pfannenschmidt, Victoria Publ 15, N1, 1976., K.Pavlovski, P.Harmanec, J.Horn, P.Koubsky, E.Zdarsky, S.Kriz, IBVS N1689, 1979.]. Shape of the light curve and depths of Min vary. Gaseous streams And expAnding envelope.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 J.B.Hutchings, R.O.Redman, MN 163, 209, 1973. 1973MNRAS.163..209H
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
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.