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  MR Per  
000-BBG-322 (2952 observations)  
Perseus Sequence
03 50 46.86 +48 12 37.4  (57.69525 +48.21039) Search nearby
B1950.0 03 47 10.43 +48 03 35.1
Galactic coord. 151.057 -4.623
Other names

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AAVSO 0343+47 Downes MR Per SON 8540
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Variability type
Spectral type M4.5V
Mag. range
14.5 - 16.5 p
Discoverer --
Outburst --
Period 0.45483 d  (10.916 h)
Rise/eclipse dur. --
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
2 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
3 R.K. Honeycutt, G.W. Turner, D.N. Vesper, 1992, PASP 104, 1039 1992PASP..104.1039H
4 A. Bruch, T. Schimpke, 1992, A&AS 93, 419 1992A&AS...93..419B
5 C.Hoffmeister, AN 289, N1-2, 1, 1966. 1966AN....289....1H
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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.
APASS-DR9 B = 16.59V = 14.96g' = 15.73r' = 14.40i' = 12.86B - V = 1.63
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Stellar Association Membership
 Melotte 20 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
3 Admin, VSX 2009-04-01 21:47 UTC Update from [1992PASP..104.1039H].
2 Admin, VSX 2009-03-12 21:50 UTC Update from [1992A&AS...93..419B].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.