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Name
TU Cas
AAVSO UID
Constellation
J2000.0
B1950.0
00 23 36.70 +51 00 13.2
Proper motion
RA: 1.589 +/- 0.066 mas/y Dec: -4.018 +/- 0.067 mas/y Source: Gaia DR1
Galactic coord.
118.930 -11.396
Other names(Internal only)
AAVSO 0020+50
AN 17.1911
ASASSN-V J002619.49+511649.1
BD+50 72
HD 2207
HIP 2085
HV 3307
SAO 21398
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Variability type
DCEP(B)
Spectral type
F3II-F5II
Mag. range
6.88 - 8.18 V
Discoverer
Annie J. Cannon (1911)
Epoch
Outburst
--
Period
2.139298 d
Rise/eclipse dur.
31% (15.92 h)
Remarks
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1
GCVS Team
Fundamental mode period P0 is given in the Table; the corresponding amplitude is 0.69m. First-overtone period P1 = 1.51830d; the corresponding mean amplitude decreased from 0.4m to 0.25m during 67 years [S.W.Hodson, R.F.Stellingwerf, A.N.Cox, ApJ 229, 642, 1979. ]. P1/P0 = 0.71. M - m var (0.17P <= M - m <= 0.35P).
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References
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1
Spelda, J., 2023, Cepheiden-Lichtkurven ohne Faltung 2: TU Cassiopeiae
--
2
E.Illes, L.Szabados, IAU Coll N29, 165, 1976.
1976mpvs.conf..165I
3
Dunér, N. C.; Hartwig, E.; Muller, G., 1911, Benennung von neu entdeckten
1911AN....190...57.
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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 = 6.68 H = 6.44 K = 6.33 J - K = 0.35
AllWISE
W1 = 6.19 W2 = 6.11 W3 = 6.18 W4 = 6.09 W1 - W2 = 0.09 W3 - W4 = 0.09
APASS-DR9
Images
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Revision History
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