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Name
  HM Sge  
AAVSO UID
000-BCH-656 (16545 observations)  
Constellation
Sagitta Sequence
J2000.0
19 41 57.10 +16 44 40.0  (295.48792 +16.74444) Search nearby
B1950.0 19 39 41.50 +16 37 33.2
Galactic coord. 53.566 -3.150
Other names

(Internal only)
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AAVSO 1937+16 NSVS J1941571+164444 SVS 2183
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Variability type
NC+M
Spectral type pec(e)+M
Mag. range
11.1 - 18 B
Discoverer --
Epoch
05 Aug 1975 (HJD 2442630)
Outburst 1975
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Period is for the mira pulsations seen before the 1975 outburst.
2 GCVS Team VB A (B 14.20m, 10", 182deg). The brightness increased from 17.2m up to 11.3m pg in the interval JD2442280 - 42650. Then the light variations in the infrared region appeared with P = 550d [J.D.Bregman, BAAS 14, N4, 982, 1982., O.G.Taranova, B.F.Yudin, Pis'ma Astron. Zh.8, N2, 90, 1982.] and A(K) = 1.5m. Radio and X-ray source.
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References
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)		 2012arXiv1210.0821A
2 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
3 Chochol, D., et al, 2003, Long-Term Photometry of Very Slow Novae 2003BaltA..12..610C
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1999A&AS..137..473M
5 R.I.Noskova, M.V.Savel'eva, V.P.Arkhipova, V.P.Goranskij, O.D.Dokuchaeva,
Perem. Zvezdy Supplement 3, N18, 755, 1979.		 1979PZP.....3..755N
6 O.D.Dokuchaeva, Astron. Tsirk. N946, 6, 1977. 1977ATsir.946....6D
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Revision History
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3 Otero, Sebastian Alberto 2012-10-25 20:26 UTC Period added.
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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