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Latest Details
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Name
  Z Cas  
AAVSO UID
000-BCR-919 (7526 observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 44 31.54 +56 34 52.4  (356.13142 +56.58122) Search nearby
B1950.0 23 42 05.10 +56 18 12.7
Proper motion
RA: 8.0 +/- 3.4 mas/yDec: 1.4 +/- 4.5 mas/ySource: UCAC4
Galactic coord. 113.774 -5.096
Other names

(Internal only)
AAVSO 2339+56 ASASSN-V J234431.46+563453.0 BD+55 3009
HD 222914 IOMC 4008000046 IRC +60418
RAFGL 3141    
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Variability type
M
Spectral type M7e
Mag. range
8.2 - 15.5 V
Discoverer T.D. Anderson, 1898
Epoch
09 Oct 2015 (HJD 2457305.0) Ephemeris
Outburst --
Period 492.3 d
Rise/eclipse dur. 39%  (192 d)
Remarks
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1 GCVS Team SiO maser.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 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
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 T. Karlsson, Maxima of Mira stars --
4 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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 = 2.68H = 1.80K = 1.23J - K = 1.45
AllWISE W3 = -0.50W4 = -1.59W3 - W4 = 1.09
APASS-DR9 B = 12.67V = 11.11g' = 12.04r' = 10.52i' = 7.78B - V = 1.56
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 23 44 31.54 +56 34 52.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 LPV Program
 Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2020-05-24 17:12 UTC Period, epoch, rise duration and range 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.