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Name
  SY Aur  
AAVSO UID
000-BCT-847 (1181 observations)  
Constellation
Auriga Sequence
J2000.0
05 12 39.20 +42 49 54.0  (78.16333 +42.83167) Search nearby
B1950.0 05 09 05.01 +42 46 20.8
Galactic coord. 164.748 +2.138
Other names

(Internal only)
AAVSO 0505+42 AN 80.1907 BD+42 1201
HD 277622 HIP 24281 HV 2932
SAO 40115    
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Variability type
DCEP
Spectral type F5-F8
Mag. range
8.75 - 9.38 V
Discoverer --
Epoch
02 Oct 1959 (HJD 2436843.52) Ephemeris
Outburst --
Period 10.14452 d
Rise/eclipse dur. 42%  (4.261 d)
Remarks
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1 GCVS Team B - V: +0.92, +1.23. [A/H] = - 0.3. P var [E.N.Makarenko, Perem. Zvezdy 16, N4, 388, 1968.]. Max = 2436853.57 + 10.144330d*E (JD2417900 - 32380). Since JD2432380 - see Table.
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References
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1 P. Pietrukowicz, W.A. Dziembowski, P. Mroz et al., 2013, arXiv:1311.5894
[astro-ph.GA]
2013arXiv1311.5894P
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 C.Payne, HB N883, 1931. --
4 Dunér, N. C.; Hartwig, E.; Muller, G., 1908, Benennung von neu entdeckten
veränderlichen Sternen
1908AN....179...85D
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Supporting Documents
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Revision History
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3 Fernig, Leo 2022-09-21 20:29 UTC Discoverer updated from 1908AN....179...85D p89
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.