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Latest Details
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| Name |
UW 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 21 20.09 +43 04 50.1 |
| Proper motion |
| RA: 1.568 +/- 1.359 mas/y | Dec: -6.870 +/- 1.298 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
80.691 +3.445 |
Other names
(Internal only)
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AAVSO 2019+42 |
AN 78.1901 |
ASASSN-V J202302.79+431432.9 |
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BD+42 3725 |
IOMC 3164000058 |
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| Variability type |
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EA/SD |
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| Spectral type |
F0 |
| Mag. range |
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10.7 - 13 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
3.45078022 d |
| Rise/eclipse dur. |
16% (13.2510 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 |
P var. Min I = 2419624.501 + 3.450797d*E (JD2410000 - 20750) [A.A.Nijland, AN 239, 249, 1930.]; Min I = 2419624.501 + 3.450752d*E (JD2419620 - 33000); Min I = 2433848.508 + 3.450740d*E (JD2430000 - 41800); since JD2441800 - see Table. Possible depth of Min II 0.05m. |
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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 |
P. Zasche, 2011, arXiv:1102.2742v1 [astro-ph.SR] |
2011arXiv1102.2742Z |
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4 |
A.D.Mallama, ApJ Suppl 44, 241, 1980. |
1980ApJS...44..241M |
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5 |
A.M.Briede, Perem. Zvezdy 7, N4, 210, 1950. |
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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 = 9.91 | H = 9.68 | K = 9.56 | J - K = 0.35 |
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AllWISE
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W1 = 9.61 | W2 = 9.63 | W3 = 9.22 | W4 = 8.11 | W1 - W2 = -0.02 | W3 - W4 = 1.11 |
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APASS-DR9
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B = 10.92 | V = 10.82 | g' = 10.94 | r' = 10.77 | i' = 10.72 | B - V = 0.10 |
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Images
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Supporting Documents
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Revision History
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