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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
CT Sge |
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| AAVSO UID |
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000-BFD-401 (No observations) |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
20 16 55.47 +20 33 23.5 |
| Proper motion |
| RA: 6.5 +/- 6.0 mas/y | Dec: -39.6 +/- 6.8 mas/y | Source: UCAC4 |
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| Galactic coord. |
61.581 -8.602 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J20190847+2042492 |
AN 388.1943 |
ASAS J201909+2042.8 |
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ASASSN-V J201908.36+204249.2 |
GSC 01643-01360 |
SON 3713 |
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| Variability type |
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CWB |
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| Spectral type |
-- |
| Mag. range |
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13.25 - 14.5 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
1.71790 d |
| Rise/eclipse dur. |
29% (12.0 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 |
Otero, Sebastian Alberto
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New identification based on the original chart and in ASAS-3 photometry. ASAS-3 results are a blend of 3 stars: GSC 01643-01360 (V= 13.7); 2MASS J20190821+2042573 (V= 14.2; sep. 9", the star formerly identified as CT Sge) and 2MASS J20190834+2043015 (V= 16.5; sep. 12" from the variable and 4" from the other star). The combined range from V= 12.85 to 13.55 rules out 2MASS J20190821+2042573 as the variable because the corrected range would be 13.6 - 16.4 (the combined mag of the two companions would be 13.6, almost similar to the ASAS combined range for the 3 stars).
The chart in MVS N286 (1957) doesn't resolve the three stars and the variable's position is closer to the brighter star and consistent with this new identification. |
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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 = 12.23 | H = 11.95 | K = 11.88 | J - K = 0.36 |
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AllWISE
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W1 = 11.86 | W2 = 11.89 | W3 = 11.73 | W1 - W2 = -0.03 |
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APASS-DR9
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B = 13.95 | V = 13.41 | g' = 13.54 | r' = 12.99 | i' = 12.94 | B - V = 0.54 |
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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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Currently approved revision is checked. Click revision number to view details of that revision.
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3 |
Otero, Sebastian Alberto
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2012-05-02 01:18 UTC |
Primary record creation. Identification, type, period, epoch, rise duration and range from ASAS-3 data. UCAC3 position. |
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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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