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Latest Details
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Name
  ASAS J181540-2938.4  
AAVSO UID
000-BHQ-615 (4 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 15 38.12 -29 38 17.2  (273.90883 -29.63811) Search nearby
B1950.0 18 12 26.50 -29 39 18.2
Galactic coord. 2.629 -6.035
Other names

(Internal only)
2MASS J18153812-2938172 ASAS 181540-2938.4 GSC 06855-01995
Gaia DR2 4049744729485662080 Gaia DR3 4049744729485662080 UCAC4 302-212369
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Variability type
SRA
Spectral type M
Mag. range
12.4 - 15.5 V
Discoverer ASAS
Epoch
24 Aug 2018 (HJD 2458355.0) Ephemeris
Outburst --
Period 158.6 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 15.7 Vmag. star 4" to the ENE, 15.2 Vmag. star 11" to the ESE and 12.2 Vmag. star 30" to the ESE.
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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 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
5 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
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 15 38.12 -29 38 17.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2025-03-12 19:27 UTC Identification from 2022yCat.1358....0G. Type, period, epoch and range derived from Gaia DR3 and ASAS-SN data. Gaia DR3 position. Spectral type from 2023A&A...674A..26C.
2 Zalezsak, Tamas 2016-03-24 01:09 UTC UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.