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Details for Revision 3
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Name
  Y Cas  
AAVSO UID
000-BBB-091 (8787 observations)  
Constellation
Cassiopeia Sequence
J2000.0
00 03 21.45 +55 40 52.0  (0.83937 +55.68111) Search nearby
B1950.0 00 00 46.84 +55 24 09.8
Galactic coord. 116.144 -6.556
Other names

(Internal only)
AAVSO 2358+55A GSC 03656-00498 HD 225082
HV 128 IOMC 3656000047 IRC +60001
RAFGL 5    
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Variability type
M
Spectral type M6e-M8.5e
Mag. range
8.7 V - 15.5 V
Discoverer --
Epoch
18 Dec 2015 (HJD 2457375) Ephemeris
Outburst --
Period 417 d
Rise/eclipse dur. 43%  (179 d)
Remarks
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1 GCVS Team OH, H2O emission; SiO maser.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
4 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
5 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
6 T. Karlsson, Maxima of Mira stars --
7 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Fernig, Leo 2022-04-22 13:37 UTC Discoverer updated from 1907AnHar..55....1C page 32
4 Otero, Sebastian Alberto 2021-10-26 04:40 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
3 Otero, Sebastian Alberto 2020-05-24 17:13 UTC Period, epoch, rise duration and maximum magnitude from the GCVS (November 2019 version).
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.