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Latest Details
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| Name |
DG 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 41 39.13 +43 00 58.3 |
| Proper motion |
| RA: 6.9 +/- 2.1 mas/y | Dec: -3.1 +/- 3.2 mas/y | Source: UCAC4 |
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| Galactic coord. |
82.863 +0.434 |
Other names
(Internal only)
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AAVSO 2039+42 |
AN 47.1926 |
ASASSN-V J204325.49+431151.1 |
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IOMC 3178000063 |
IRC +40442 |
RAFGL 2637 |
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SVS 94 |
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| Variability type |
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M |
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| Spectral type |
M7e-M9.3 |
| Mag. range |
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12.6 - 17.45 B |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
457.61 d |
| Rise/eclipse dur. |
40% (183.044000000000 d) |
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Remarks
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References
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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 = 3.24 | H = 1.98 | K = 1.49 | J - K = 1.75 |
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AllWISE
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W3 = -0.45 | W4 = -1.42 | W3 - W4 = 0.96 |
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APASS-DR9
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g' = 13.34 | r' = 10.44 |
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SDSS-DR12
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u = 14.53 | g = 16.02 | r = 13.90 | i = 8.75 | z = 8.01 | u - g = -1.49 | r - i = 5.15 |
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Images
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Supporting Documents
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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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2 |
Admin, VSX
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2010-01-05 04:43 UTC |
Position updated from the GCVS version of November 2009. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial upload. |
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