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 Revise  New Search
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Details for Revision 1
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
V0725 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 08 37.07 -36 07 27.0 |
| Galactic coord. |
356.495 -8.372 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J18115943-3606402 |
AAVSO 1805-36 |
AN 419.1937 |
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ASAS J181159-3606.7 |
GSC 07404-05410 |
HV 7642 |
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| Variability type |
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* |
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| Spectral type |
G5I-III |
| Mag. range |
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12.3 - 14.3 B |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
-- |
| 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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ASAS-3 magnitudes contaminated by UCAC4 270-156789 (V= 13.8; sep. 7"). Range has been corrected. |
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GCVS Team |
Unique star. The mean brightness increased from 13.0m to 12.4m since 1889 to 1915, and fell to 12.8m in 1926. From 1895 to 1926 real shortperiodic oscillations with the amplitude about 0.4m. In 1928 the amplitude suddenly increased by almost 2m, but the magnitude in maximum remained unchanged. From 1928 to 1935 the light variations became periodic, the period increasing every year by 1d in accordance with the formula: Min = 2426087 + 15.933d*E + 0.0233d*E**2. In 1935 P = 21d. Since 1936 only small oscillations of brightness with a gradual increase of the mean magnitude from 14.3m to 13.9m B (1969). Photoelectric observations in 1968 - 69 reveal the light variations 12.33m - 12.72m V with possible periods 15.4d in 1968 and 45.3d in 1969. In 1973 12.28m - 12.58m V, B-V = +1.37, P = 50d [S.Demers, B.F.Madore, IBVS N870, 1974.]. |
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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 |
Battinelli, P.; Demers, S., 2010, Multiband Photometry of V725 Sagittarii |
2010PASP..122..144B |
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G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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S.Demers, JRAS Can 67, 19, 1973. |
1973JRASC..67...19D |
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H.H.Swope, HA 105, 499, 1937. |
1937AnHar.105..499S |
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External Links
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Location
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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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