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Name
  IL Sge  
AAVSO UID
000-BCW-963 (325 observations)  
Constellation
Sagitta Sequence
J2000.0
19 08 45.10 +17 41 22.0  (287.18792 +17.68944) Search nearby
B1950.0 19 06 31.71 +17 36 30.5
Galactic coord. 50.634 +4.276
Other names

(Internal only)
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AAVSO 1904+17 NSVS J1908453+174123  
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Variability type
M
Spectral type M6
Mag. range
10.1 - 12.6 I
Discoverer --
Epoch
03 Dec 1974 (HJD 2442385) Ephemeris
Outburst --
Period 240 d
Rise/eclipse dur. 60%  (144 d)
Remarks
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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.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1978A&AS...31..313R
4 L.Rosino, L.Guzzi, AsAp Suppl 31, 313, 1978. 1978A&AS...31..313R
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2023-02-21 20:35 UTC Period 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.