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Latest Details
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Name
  ASASSN-V J183446.27-255019.5  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 34 46.48 -25 50 06.6  (278.69367 -25.83517) Search nearby
B1950.0 18 31 40.71 -25 52 31.4
Galactic coord. 7.981 -8.078
Other names

(Internal only)
2MASS J18344648-2550066 ASASSN-V J183446.26-255018.9 Gaia DR3 4075999628405043840
UCAC4 321-195081 USNO-A2.0 0600-35225253 USNO-B1.0 0641-0752131
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Variability type
EA
Spectral type F
Mag. range
15.14 - 16.5: V
Discoverer ASAS-SN
Epoch
22 Oct 2016 (HJD 2457683.53) Ephemeris
Outburst --
Period 0.787382 d  (18.8972 h)
Rise/eclipse dur. 20%  (3.78 h)
Remarks
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1 Otero, Sebastian Alberto ASAS-SN magnitudes containated by GSC 06862-00217 (V= 13.5; sep. 14") and UCAC4 321-195073 (V= 15.7; sep. 16"). Range has been corrected.
2 T. Jayasinghe, K. Z. Stanek, C. Kochanek, et al., 2019 (in preparation) Gaia DR2 position.
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References
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1 Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview
2023A&A...674A..26C
2 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 4
Variability
2022yCat.1358....0G
3 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
4 T. Jayasinghe, K. Z. Stanek, C. Kochanek, et al., 2019 (in preparation) --
5 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 34 46.48 -25 50 06.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2025-03-14 05:04 UTC Phase plot with Gaia DR3 and ASAS-SN data.
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Revision History
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2 Otero, Sebastian Alberto 2025-03-14 05:04 UTC Identification from 2022yCat.1358....0G. Period, epoch, eclipse duration and range derived from Gaia DR3 and ASAS-SN data. Spectral type from 2023A&A...674A..26C. Gaia DR3 position.
1 Admin, VSX 2019-06-26 01:32 UTC Preserved original object data.