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Latest Details
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| Name |
VW Cyg |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
20 13 16.72 +34 21 34.3 |
| Proper motion |
| RA: 6.099 +/- 0.084 mas/y | Dec: -1.143 +/- 0.085 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
72.617 -0.215 |
Other names
(Internal only)
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AN 55.1903 |
BD+34 3938 |
HD 228545 |
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HIP 99820 |
IOMC 2680000043 |
MWC 1008 |
(Not logged in) Add name
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| Variability type |
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EA/DS |
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| Spectral type |
A3e+G5 |
| Mag. range |
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10.25 - 12.58 V |
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| Discoverer |
Arthur Williams (1903) |
| Epoch |
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| Outburst |
-- |
| Period |
8.4303102 d |
| Rise/eclipse dur. |
11% (22.256 h) |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
GCVS Team |
d = 0.035P; Min II 10.31. P var. Min I = 2417377.123 + 8.4305260d*E (JD2415660 - 17400); Min I = 2430444.061 + 8.4302826d*E (JD2417400 - 30450); Min I = 2441116.868 + 8.4303917d*E + 4.31d*10**(-8)*E**2 (JD2430450 - 41120) [D.Hall, K.S.Woolley, PASP 85, 618, 1973.]; since JD2440350 - see Table. |
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
Bob Nelson's O-C files, 2016 |
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2 |
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info) |
2012arXiv1210.0821A |
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3 |
M.Ammann, D.S.Hall, R.C.Tate, AA 29, N2, 259, 1979. |
1979AcA....29..259A |
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4 |
T.D.Fat'kina, Perem. Zvezdy 7, N5, 252, 1950. |
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5 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 9.30 | H = 8.98 | K = 8.73 | J - K = 0.57 |
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AllWISE
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W1 = 8.49 | W2 = 8.53 | W3 = 8.61 | W1 - W2 = -0.04 |
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APASS-DR9
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B = 10.38 | V = 10.25 | g' = 10.28 | r' = 10.25 | i' = 10.21 | B - V = 0.14 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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