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Latest Details
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Name
  V1971 Sgr  
AAVSO UID
000-BFG-357 (1 observation)  
Constellation
Sagittarius Sequence
J2000.0
18 21 37.64 -16 13 45.1  (275.40684 -16.22919) Search nearby
B1950.0 18 18 44.53 -16 15 13.2
Galactic coord. 15.140 -0.951
Other names

(Internal only)
ASASSN-V J182137.64-161345.1 GDS_J1821376-161344 OGLE-BLG-LPV-262415
OGLE-IV BLG569.25.86    
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Variability type
M
Spectral type --
Mag. range
13.809 (2.631) Ic
Discoverer --
Epoch
15 May 1961 (HJD 2437435.0) Ephemeris
Outburst --
Period 385.6 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team In the region of the open cluster and the diffuse nebula NGC 6618 (M 17).
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References
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1 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way		 2022ApJS..260...46I
2 P.Maffei, Asiago Contr N146, 1963. --
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 8.24H = 6.69K = 5.75J - K = 2.49
AllWISE W1 = 5.08W2 = 4.48W3 = 3.78W4 = 1.37W1 - W2 = 0.59W3 - W4 = 2.42
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 21 37.64 -16 13 45.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 NGC 6618 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2023-02-21 21:52 UTC Period, mean magnitude and amplitude from 2022ApJS..260...46I. Gaia DR3 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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