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Latest Details
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Name
  V1507 Cyg  
AAVSO UID
000-BDP-355 (22 observations)  
Constellation
Cygnus Sequence
J2000.0
19 48 41.88 +29 24 08.4  (297.17450 +29.40233) Search nearby
B1950.0 19 46 41.64 +29 16 34.8
Proper motion
RA: 0.808 +/- 0.021 mas/yDec: -5.464 +/- 0.029 mas/ySource: Gaia DR1
Galactic coord. 65.305 +1.842
Other names

(Internal only)
2MASS J19484187+2924083 BD+29 3754 HD 187399
HIP 97472 Hen 3-1780 MWC 321
SAO 87754 TIC 435521320 TYC 2151-313-1
WISEA J194841.87+292408.2    
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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.
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References
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1 J.B.Hutchings, R.O.Redman, MN 163, 209, 1973. 1973MNRAS.163..209H
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 = 6.35H = 6.26K = 6.16J - K = 0.19
AllWISE W1 = 5.98W2 = 5.67W3 = 5.24W4 = 4.56W1 - W2 = 0.31W3 - W4 = 0.68
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 48 41.88 +29 24 08.4 (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.
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.