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Name
rho Cas
AAVSO UID
Constellation
J2000.0
B1950.0
23 51 52.46 +57 13 16.2
Proper motion
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
Louisa Wells (1901)
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
C. Koen, L. Eyer, 2002, MNRAS 331, 45
2002MNRAS.331...45K
5
J.R.Percy, D.L.Welch, PASP 93, 367, 1981.
1981PASP...93..367P
6
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
External Links
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Location
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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 = 2.27 H = 1.92 K = 1.67 J - K = 0.60
AllWISE
W3 = 1.56 W4 = 1.26 W3 - W4 = 0.30
Images
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Supporting Documents
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Campaigns/Programs
Binocular program
Legacy LPV Program
LPV Program
Revision History
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