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Latest Details
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| Name |
V1971 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 19 33.68 +32 09 13.0 |
| Proper motion |
| RA: 28.266 +/- 0.423 mas/y | Dec: 20.992 +/- 0.395 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
71.542 -2.546 |
Other names
(Internal only)
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1RXS J202133.0+321853 |
BD+31 4046 |
HD 193891 |
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IOMC 2676000051 |
SAO 69890 |
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(Not logged in) Add name
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| Variability type |
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RS |
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| Spectral type |
G/Ke: |
| Mag. range |
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7.9 (0.18) V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
-- |
| Rise/eclipse dur. |
-- |
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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 |
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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2 |
J.T.Hooten, D.S.Hall, ApJ Suppl 74, No.1, 225, 1990. |
1990ApJS...74..225H |
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3 |
Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) |
1985AJ.....90..341B |
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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 = 5.73 | H = 5.26 | K = 5.09 | J - K = 0.64 |
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AllWISE
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W1 = 5.03 | W2 = 4.89 | W3 = 5.03 | W4 = 4.97 | W1 - W2 = 0.14 | W3 - W4 = 0.06 |
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APASS-DR9
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B = 8.73 | V = 7.71 | g' = 8.19 | r' = 7.40 | i' = 7.03 | B - V = 1.02 |
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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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Currently approved revision is checked. Click revision number to view details of that revision.
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3 |
Admin, VSX
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2017-12-15 13:51 UTC |
Spectral type from Skiff (VizieR on-line data: B/mk) |
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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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