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Latest Details
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Name
  R Boo  
AAVSO UID
000-BBV-561 (62584 observations)  
Constellation
Boötes Sequence
J2000.0
14 37 11.58 +26 44 11.7  (219.29825 +26.73658) Search nearby
B1950.0 14 34 59.24 +26 57 09.6
Proper motion
RA: -25.59 +/- 1.31 mas/yDec: 14.36 +/- 1.01 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 38.070 +66.469
Other names

(Internal only)
AAVSO 1432+27 ASASSN-V J143711.59+264412.0 BD+27 2400
HD 128609 HIP 71490 IRC +30260
RAFGL 4950S SAO 83440  
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Variability type
M
Spectral type M3e-M8e
Mag. range
6.0 - 13.3 V
Discoverer Bonn Observatory (1858)
Epoch
31 Jul 2009 (HJD 2455044.00) Ephemeris
Outburst --
Period 223.56 d
Rise/eclipse dur. 45%  (101 d)
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 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
2 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
3 T. Karlsson, Maxima of Mira stars --
4 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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 = 2.86H = 2.00K = 1.66J - K = 1.20
AllWISE W3 = 0.70W4 = 0.08W3 - W4 = 0.62
APASS-DR9 B = 12.56V = 10.90g' = 12.06B - V = 1.66
SDSS-DR12 u = 14.04g = 15.36r = 10.40i = 12.62z = 7.34u - g = -1.32r - i = -2.23
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 14 37 11.58 +26 44 11.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Binocular program
 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 18:16 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 2020-05-24 17:13 UTC Period, epoch, rise duration and range from the GCVS (November 2019 version).
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.