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Details for Revision 3
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Name
  rho Cas  
AAVSO UID
000-BCS-075 (72279 observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 54 23.03 +57 29 57.8  (358.59596 +57.49939) Search nearby
B1950.0 23 51 52.43 +57 13 16.0
Galactic coord. 115.301 -4.525
Other names

(Internal only)
7 Cas AAVSO 2349+56 AN 67.1901
ASASSN-V J235422.95+572958.7 BD+56 3111 HD 224014
HIP 117863 HR 9045 HV 194
IRC +60429 RAFGL 3173 SAO 35879
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Variability type
SDOR:
Spectral type F8pIa-K0pIa-0
Mag. range
4.1 - 6.2 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team Usually varies within the limits 4.4m - 5.2m V. In November 1945 the peculiar decrease of brightness began lasting for 165d and in September 1946 the star reached the middle of the deepest minimum (JD2432070) lasting for 320d. Then the brightness began to increase symmetrically and by July 1947 the star attained its normal brightness [S.Gaposchkin, HB N919, 1949.]. Photographic magnitudes varied in the limits 5.4m - 8.3m. Spectrum description [W.W.Morgan, Ph.C.Keenan, H.A. ABT, J.W.Tapscott, ApJ 243, 894, 1981.].
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References
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1 W. Vollmann, 2015, Rho Cassiopeiae 1994-2014 BAV Rundbrief, 1/2015 (February 2015)
2 Mauerhan, J. C.; et al., 2015, SN Hunt 248: a super-Eddington outburst from
a massive cool hypergiant		 2015MNRAS.447.1922M
3 Klochkova, V. G.; et al., 2014, Instability of the kinematic state in the
atmosphere of the hypergiant ρ Cas outside outburst		 2014ARep...58..101K
4 Klochkova, V. G.; et al., 2014, Instability of the kinematic state in the
atmosphere of the hypergiant ρ Cas outside outburst		 2014ARep...58..101K
5 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
6 J.R.Percy, D.L.Welch, PASP 93, 367, 1981. 1981PASP...93..367P
7 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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Supporting Documents
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Campaigns/Programs
 Binocular program
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Revision History
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4 Fernig, Leo 2022-04-22 13:37 UTC Discoverer updated from 1907AnHar..55....1C page 32
3 Otero, Sebastian Alberto 2015-09-17 01:47 UTC Type from 2015MNRAS.447.1922M.
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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