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Latest Details
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| Name |
S 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 04 27.38 +57 50 28.6 |
| Proper motion |
| RA: -2.2 +/- 3.7 mas/y | Dec: 4.2 +/- 4.0 mas/y | Source: UCAC4 |
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| Galactic coord. |
91.773 +13.698 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J20053001+5759085 |
AAVSO 2003+57 |
BD+57 2134 |
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IRAS 20044+5750 |
NSVS J2005301+575945 |
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| Variability type |
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M |
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| Spectral type |
S2.5,1e(M3.5-M7e) |
| Mag. range |
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9.3 - 17.0 V |
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| Discoverer |
Bonn Observatory (1860) |
| Epoch |
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| Outburst |
-- |
| Period |
322.93 d |
| Rise/eclipse dur. |
50% (161 d) |
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Remarks
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There are currently no remarks on file for this star.
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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 |
Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties |
2018A&A...616A...1G |
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2 |
Williams S.J., Wozniak P.R., Vestrand W.T., Gupta V., 2004, Unspecified
slow variables |
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3 |
Catalogue of Stellar Spectral Classifications (Skiff, 2005) |
1928AnHar.100...49C |
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4 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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5 |
T. Karlsson, Maxima of Mira stars |
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6 |
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al. |
-- |
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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 = 5.33 | H = 4.66 | K = 4.02 | J - K = 1.31 |
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AllWISE
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W1 = 4.17 | W2 = 3.74 | W3 = 3.51 | W4 = 3.27 | W1 - W2 = 0.43 | W3 - W4 = 0.23 |
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APASS-DR9
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B = 15.49 | V = 13.31 | g' = 14.47 | r' = 12.25 | i' = 11.02 | B - V = 2.18 |
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Images
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Supporting Documents
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Campaigns/Programs
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LPV Program
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LPV Humps
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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