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Latest Details
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Name
  BT Cnc  
AAVSO UID
000-BDH-533 (130 observations)  
Constellation
Cancer Sequence
J2000.0
08 39 42.66 +19 46 42.5  (129.92775 +19.77847) Search nearby
B1950.0 08 36 50.45 +19 57 21.6
Proper motion
RA: -36.875 +/- 0.047 mas/yDec: -12.870 +/- 0.027 mas/ySource: Gaia DR1
Galactic coord. 205.729 +32.371
Other names

(Internal only)
38 Cnc ASASSN-V J083942.72+194644.3 BD+20 2149
HD 73575 HIP 42485 SAO 98006
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Variability type
DSCTC
Spectral type F0III
Mag. range
6.66 (0.06) V
Discoverer --
Epoch
--
Outburst --
Period 0.10228 d  (2.455 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team Member of the cluster Praesepe (NGC 2632). Oscillations with other periods are superimposed.
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References
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1 M.Breger, ApJ 237, 850, 1980. 1980ApJ...237..850B
2 F.M.Bateson, M.Morel, B.Sumner, R.Winnett, Charts for Southern Variables,
ser. N12, 1980.
--
External Links
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Location    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 = 6.11H = 5.99K = 6.00J - K = 0.11
AllWISE W1 = 6.10W2 = 5.87W3 = 6.01W4 = 5.97W1 - W2 = 0.23W3 - W4 = 0.04
Images
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Supporting Documents
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Stellar Association Membership
 NGC 2632 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.