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Details for Revision 1
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Name
  R CVn  
AAVSO UID
000-BBT-972 (29457 observations)  
Constellation
Canes Venatici Sequence
J2000.0
13 48 57.00 +39 32 33.0  (207.23750 +39.54250) Search nearby
B1950.0 13 46 48.40 +39 47 26.3
Galactic coord. 82.656 +72.770
Other names

(Internal only)
AAVSO 1344+40 BD+40 2694 HD 120499
HIP 67410 HR 5199 IRC +40248
RAFGL 1652 SAO 63763  
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Variability type
M
Spectral type M5.5e-M9e
Mag. range
6.5 - 12.9 V
Discoverer --
Epoch
18 Mar 1978 (HJD 2443586) Ephemeris
Outburst --
Period 328.53 d
Rise/eclipse dur. 46%  (151.123800000000 d)
Remarks
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1 GCVS Team P var. Max = 2411768 + 325.4d*E (JD2411730 - 26430) [R.Prager, GuL 1, 1934.]; Max = 2432074 + 332.8d*E (JD2426750 - 32100); since JD2432100 - see Table.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
4 T. Karlsson, Maxima of Mira stars --
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2024-01-18 20:16 UTC Period and epoch from AAVSO data.
4 Fernig, Leo 2022-04-22 13:32 UTC Discoverer updated from 1907AnHar..55....1C page 17
3 Otero, Sebastian Alberto 2021-10-26 04:28 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
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.