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Name
  ASASSN-V J182026.87-251053.0  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 20 26.44 -25 10 50.6  (275.11017 -25.18072) Search nearby
B1950.0 18 17 21.39 -25 12 13.2
Galactic coord. 7.089 -4.900
Other names

(Internal only)
2MASS J18202643-2510507 2MASS J18202686-2510530 Gaia DR3 4053195173146892032
UCAC4 325-153462 USNO-A2.0 0600-32402261 USNO-B1.0 0648-0643022
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Variability type
SR
Spectral type --
Mag. range
15.2 - 15.6 V
Discoverer ASAS-SN
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Uncertain identification. Two M-type giants 1.7" apart. The brightest one has been chosen as the variable star but It is also the bluest one (BP-RP= 2.88). Gaia DR3 4053195173098749056 has V ~18 and BP-RP= 3.66). Combined magnitudes given in the table. ASAS-SN magnitudes are also contaminated by other nearby stars. Range has been corrected.
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References
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1 Creevey, O. L.; et al., 2022, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview
2022arXiv220605864C
2 Jayasinghe, T.; Kochanek, C. S.; Stanek, K. Z.; et al., 2018, The ASAS-SN
Catalog of Variable Stars I: The Serendipitous Survey
2018arXiv180301001J
3 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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Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2023-05-18 19:44 UTC Type and range from ASAS-SN data. Gaia DR3 position.
1 Admin, VSX 2018-01-30 00:30 UTC Preserved original object data.