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Latest Details
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| Name |
V1918 Sgr |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
18 34 35.81 -20 56 02.1 |
| Proper motion |
| RA: 10.5 +/- 5.2 mas/y | Dec: -2.3 +/- 5.3 mas/y | Source: UCAC4 |
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| Galactic coord. |
12.733 -6.451 |
Other names
(Internal only)
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2MASS J18373479-2053248 |
ASAS J183734-2053.4 |
ASASSN-V J183734.88-205324.8 |
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ATO J279.3949-20.8902 |
EPIC 217259132 |
UCAC4 346-155384 |
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| Variability type |
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* |
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| Spectral type |
B:e |
| Mag. range |
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13.6 - 14.7 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
432 d |
| Rise/eclipse dur. |
-- |
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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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Quasi-periodic outbursts from a B-type supergiant star. ASAS-SN and ASAS-3 magnitudes contaminated by 2MASS J18373439-2053343 (V= 18.1; sep. 11") and 2MASS J18373401-2053188 (V= 14.3; sep. 13"). Range has been corrected. |
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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. Kato, 2018, vsnet-chat #8201 |
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2 |
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0 |
2017PASP..129j4502K |
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3 |
Pojmanski, G., 2002, The All Sky Automated Survey |
2002AcA....52..397P |
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4 |
D.Hoffleit, AJ 64, 241, 1959. |
1959AJ.....64..241H |
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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 = 10.69 | H = 9.90 | K = 9.65 | J - K = 1.04 |
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AllWISE
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W1 = 9.72 | W2 = 9.76 | W3 = 9.60 | W1 - W2 = -0.04 |
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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 |
Otero, Sebastian Alberto
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2020-02-08 04:27 UTC |
Type, period, epoch and range from ASAS-SN and ASAS-3 data. |
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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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