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Name
eta Gem
AAVSO UID
Constellation
J2000.0
B1950.0
06 11 51.51 +22 31 23.5
Proper motion
Galactic coord.
188.853 +2.519
Other names(Internal only)
7 Gem
AAVSO 0608+22
ADS 4841 A
ASASSN-V J061452.61+223023.9
BD+22 1241
DO 12034
HD 42995
HIP 29655
HR 2216
IRAS 06118+2231
IRC +20139
Propus
RAFGL 4478S
SAO 78135
Tejat Prior
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Variability type
EA/GS+SRA
Spectral type
M3IIIab
Mag. range
3.1 - 3.7 V
Discoverer
Johann Schmidt (1865)
Epoch
Outburst
--
Period
2979 d (8.16 y)
Rise/eclipse dur.
4% (17 weeks)
Remarks
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1
Otero, Sebastian Alberto
SR elements: JD 2451145 + 232.8 x E. Eclipses have an amplitude of ~0.3 mag. (V).
2
GCVS Team
VB A (B 8.8m, GO III - IV, 1.60", 269.4deg, 1977). SB1 (P = 2983d [D.B.McLaughlin, S.E.A. Van Dijke, ApJ 100, 63, 1944. ]). Epoch of Min brightness is given. The deepest minima (corresponding to the middles of the descending branches of the radial velocity curve) are satisfied by the elements: Min = 2429355 + 2984d*E [H.van Schewick, AN 279, 65, 1950. ].
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References
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1
V.P.Zessewitsch, Variable Stars and Methods of Their Studies, (in russian)
--
2
B.Ljunggren, T.Oja, Ark Astr 3, N31, 439, 1965.
1965ArA.....3..439L
3
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
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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 = -0.73 H = -1.51 K = -1.72 J - K = 1.00
AllWISE
W3 = -1.24 W4 = -1.69 W3 - W4 = 0.45
Images
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Supporting Documents
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Campaigns/Programs
Legacy LPV Program
LPV Program
Revision History
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