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Latest Details
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Name
  R Cas  
AAVSO UID
000-BCS-187 (51144 observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 58 24.87 +51 23 19.7  (359.60363 +51.38881) Search nearby
B1950.0 23 55 51.73 +51 06 36.6
Proper motion
RA: 85.52 +/- 0.75 mas/yDec: 17.49 +/- 0.72 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 114.561 -10.619
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2353+50 ADS 17135 A ASASSN-V J235824.99+512320.5
BD+50 4202 HD 224490 HIP 118188
HR 9066 IRC +50484 RAFGL 3188
SAO 35938 ZTF J235829.69+512157.2  
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Variability type
M
Spectral type M6e-M10e
Mag. range
4.7 - 13.5 V
Discoverer Norman Pogson (1853)
Epoch
15 Aug 2006 (HJD 2453963.0) Ephemeris
Outburst --
Period 430.6 d
Rise/eclipse dur. 40%  (172 d)
Remarks
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1 GCVS Team VB A (B 14.5m, 14", 273deg). SiO, OH maser; sometimes H2O emission.
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References
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1 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
2 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
3 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
4 T. Karlsson, Maxima of Mira stars --
5 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 = 0.16H = -0.85K = -1.40J - K = 1.57
AllWISE W4 = -3.80
APASS-DR9
GALEX-DR5 NUV = 16.84
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 23 58 24.87 +51 23 19.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2024-01-19 03:34 UTC Period and epoch from AAVSO data.
3 Fernig, Leo 2022-04-22 13:37 UTC Discoverer updated from 1907AnHar..55....1C page 32
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.