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Name
FY CMa
AAVSO UID
Constellation
J2000.0
B1950.0
07 24 52.22 -22 59 02.9
Proper motion
Galactic coord.
237.411 -2.998
Other names(Internal only)
AAVSO 0722-22
ASAS J072659-2305.2
BD-22 1874
CD-22 4526
CPD-22 2178
Cr 121 35
HD 58978
HIP 36168
HR 2855
MWC 179
PPM 252419
SAO 173752
TYC 6538-2654-1
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Variability type
GCAS
Spectral type
B0.5IVpe+sdO
Mag. range
4.8 - 6.25 V
Discoverer
--
Epoch
Outburst
--
Period
--
Rise/eclipse dur.
--
Remarks
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1
Otero, Sebastian Alberto
Quiescent magnitude V= 5.6. In 2007 faded to V= 6.25 and then brightened to its historical brightest outburst that peaked in 2009 at V= 4.8. Hot subdwarf companion. Orbital period 37.255 d.
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References
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1
Peters, G. J., et al., 2008, Detection of a Hot Subdwarf Companion to the
2008ApJ...686.1280P
2
C. Koen, L. Eyer, 2002, MNRAS 331, 45
2002MNRAS.331...45K
3
The All Sky Automated Survey
2002AcA....52..397P
4
A.Feinstein, PASP 87, 603, 1975.
1975PASP...87..603F
External Links
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Location
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AAVSO WebObs
APASS
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GCVS
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NSVS
CRTS
ZTF
SuperWASP
Pan-STARRS1 Data
Pan-STARRS1 Images
SkyMorph
Kamogata Wide-field Survey (KWS)
Go
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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 = 5.48 H = 5.38 K = 5.14 J - K = 0.34
AllWISE
W1 = 5.66 W2 = 5.44 W3 = 5.34 W4 = 4.69 W1 - W2 = 0.22 W3 - W4 = 0.66
Images
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Supporting Documents
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Revision History
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