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Name
  RU Cnc  
AAVSO UID
000-BCT-978 (93 observations)  
Constellation
Cancer Sequence
J2000.0
08 37 30.13 +23 33 41.6  (129.37554 +23.56156) Search nearby
B1950.0 08 34 33.75 +23 44 12.5
Proper motion
RA: -21.607 +/- 0.147 mas/yDec: -0.866 +/- 0.073 mas/ySource: Gaia DR1
Galactic coord. 201.279 +33.126
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J083728.3+233402 AAVSO 0831+23 AN 3.1911
ASAS J083730+2333.7 BD+24 1959 HIP 42303
KP 200188    
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Variability type
EA/RS
Spectral type F9V:+G9V:
Mag. range
10.1 - 11.25 V
Discoverer --
Epoch
22 Nov 1920 (HJD 2422650.72) Ephemeris
Outburst --
Period 10.172931 d
Rise/eclipse dur. 8%  (0.8138 d)
Remarks
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1 GCVS Team d = 0.035P. Min II 10.21:, DII <= 0.07P.
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References
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1 F. Walter, 2015, RU Cnc, RZ Cnc, ZZ Cnc, Drei seltenbeobachtete
langperiodische Bedeckungsveränderliche Wer beobachtet mit?
BAV Rundbrief, 1/2015 (February 2015)
2 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
3 J. Pepper, K.Z. Stanek, R.W. Pogge et al., 2008, AJ 135, 907 2008AJ....135..907P
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1940AnHar..89..201W
6 A.A.Nijland, AN 242, 65, 1931. 1931AN....242...65N
7 G.van Biesbroeck, L.Casteels, Belg Ann (NS) 13, (II), 1914. --
External Links
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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 = 8.62H = 8.14K = 8.02J - K = 0.60
AllWISE W1 = 7.95W2 = 8.00W3 = 7.93W4 = 7.95W1 - W2 = -0.05W3 - W4 = -0.01
APASS-DR9 B = 11.06V = 10.46g' = 10.52B - V = 0.60
SDSS-DR12 u = 12.17g = 10.41r = 9.90i = 9.70z = 9.90u - g = 1.76r - i = 0.20
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2020-05-24 15:01 UTC Type from the GCVS (November 2019 version).
3 Otero, Sebastian Alberto 2015-09-24 22:48 UTC Period from BAV Rundbrief, 1/2015.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.