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Name
AI CVn
AAVSO UID
Constellation
J2000.0
B1950.0
12 21 19.70 +42 49 10.6
Proper motion
RA: -80.100 +/- 0.024 mas/y Dec: 13.214 +/- 0.022 mas/y Source: Gaia DR1
Galactic coord.
141.227 +73.589
Other names(Internal only)
4 CVn
AAVSO 1218+43
BD+43 2218
HD 107904
HIP 60467
HR 4715
SAO 44155
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Variability type
DSCT
Spectral type
F3III/IV
Mag. range
5.99 - 6.08 V
Discoverer
Jones and Haslam
Epoch
Outburst
--
Period
0.11636 d (2.793 h)
Rise/eclipse dur.
--
Remarks
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1
Hinzel, David H.
Period and amplitude changes (2016A&A...592A..97B ). The four main periods are: 0.11636, 0.1981, 0.1709 and 0.1808 d. Eccentric binary system with orbital period of 124.44 d.
2
GCVS Team
Radial multiperiod pulsations: P0 = 0.2085d, P1 = 0.1529d, P2 = 0.1259d, P3 = 0.1158d.
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References
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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 = 5.33 H = 5.19 K = 5.12 J - K = 0.21
AllWISE
W1 = 5.08 W2 = 4.89 W3 = 5.14 W4 = 5.10 W1 - W2 = 0.19 W3 - W4 = 0.04
SDSS-DR12
u = 8.10 g = 10.62 r = 10.05 i = 10.04 z = 6.56 u - g = -2.52 r - i = 0.01
Images
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Supporting Documents
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Revision History
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