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Latest Details
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Name
  BM Cas  
AAVSO UID
000-BBC-189 (1110 observations)  
Constellation
Cassiopeia Sequence
J2000.0
00 54 45.95 +64 05 05.2  (13.69146 +64.08478) Search nearby
B1950.0 00 51 40.78 +63 48 49.9
Proper motion
RA: -2.176 +/- 0.056 mas/yDec: -0.391 +/- 0.059 mas/ySource: Gaia DR1
Galactic coord. 123.296 +1.215
Other names

(Internal only)
2MASS J00544593+6405050 ALS 6399 AN 417.1928
AS 8 ASASSN-V J005445.84+640505.6 BD+63 110
EM* AS 8 GGA 7 GSC 04025-00406
HIP 4279 IOMC 4025000066 IRAS 00516+6348
LS I +63 114 PPM 12566 SAO 11461
TIC 283252410 TYC 4025-406-1 [KW97] 4-27
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Variability type
EA/GS
Spectral type A5Ia-F0eIab
Mag. range
8.78 - 9.43 V
Discoverer --
Epoch
10 Jun 1929 (HJD 2425772.9) Ephemeris
Outburst --
Period 197.28 d
Rise/eclipse dur. 25%  (49 d)
Remarks
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1 GCVS Team Min II 8.98. Shape of the light curve varies. P var. There is a periodic term in the elements: +2.6d*sin(7.11deg*E + 104deg).According to [G.Thiessen, ZsAp 39, N2, 65, 1956.], on the light curve cepheid-like variations are observed with P = 27d.
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References
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1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
2 Bob Nelson's O-C files, 2016 --
3 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
4 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
5 M.Beyer, AN 288, H.2/3, 87, 1964. 1964AN....288...87B
6 G.Gonzalez, G.Gonzalez, TTB N9, 4, 1954. --
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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 = 6.66H = 6.37K = 6.15J - K = 0.52
AllWISE W1 = 5.83W2 = 5.49W3 = 5.27W4 = 4.62W1 - W2 = 0.34W3 - W4 = 0.64
APASS-DR9 B = 10.31V = 8.83g' = 9.43r' = 8.40i' = 7.93B - V = 1.48
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2023-10-11 19:05 UTC Type, eclipse duration and range from ASAS-SN, Hipparcos and KWS data.
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.