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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
X 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 26.67 +35 24 24.0 |
| Proper motion |
| RA: -6.898 +/- 0.035 mas/y | Dec: -4.769 +/- 0.038 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
76.870 -4.263 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 2039+35 |
ASASSN-V J204323.91+353700.2 |
ASASSN-V J204324.30+353515.4 |
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BD+35 4234 |
HD 197572 |
HIP 102276 |
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HR 7932 |
SAO 70423 |
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| Variability type |
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DCEP |
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| Spectral type |
F7Ib-G8Ib |
| Mag. range |
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5.85 - 6.91 V |
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| Discoverer |
Seth Chandler (1886) |
| Epoch |
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| Outburst |
-- |
| Period |
16.386332 d |
| Rise/eclipse dur. |
35% (5.7352 d) |
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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. Max = 2410190.86 + 16.3841d*E (JD2410100 - 23370) [J.Hellerich, AN 215, 289, 1922.]; since JD2417000 - see Table. There is a square term in the elements given in the Table: +1.01d*10**(-7)*E**2. [A/H] = 0.4. |
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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 |
T. Jayasinghe, K. Z. Stanek, C. Kochanek, et al., 2019 (in preparation) |
-- |
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2 |
L.Szabados, Bud Mitt N77, 1981. |
1981CoKon..77....1S |
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3 |
Sky and Tel 38, 202, 1969. |
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4 |
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 = 4.54 | H = 4.06 | K = 3.97 | J - K = 0.57 |
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AllWISE
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W1 = 3.66 | W2 = 3.29 | W3 = 3.60 | W4 = 3.50 | W1 - W2 = 0.36 | W3 - W4 = 0.09 |
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APASS-DR9
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B = 8.18 | V = 6.85 | g' = 7.43 | r' = 6.76 | i' = 6.01 | B - V = 1.33 |
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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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There are currently no supporting documents on file for this star.
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Revision History
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