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Latest Details
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Name
  RR CrA  
AAVSO UID
000-BCV-509 (443 observations)  
Constellation
Corona Australis Sequence
J2000.0
18 05 57.07 -38 15 12.0  (271.48779 -38.25333) Search nearby
B1950.0 18 02 30.68 -38 15 30.2
Proper motion
RA: -2.9 +/- 2.8 mas/yDec: -5.6 +/- 4.0 mas/ySource: UCAC4
Galactic coord. 354.013 -8.309
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18055707-3815121 AAVSO 1759-38 AN 64.1910
ASAS J180557-3815.2 ASASSN-V J180557.18-381511.8 GSC 07899-01863
HD 165065 HV 3250 IRAS 18025-3815
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Variability type
M
Spectral type M2e-M7II-IIIe
Mag. range
9.2 - <15.0 V
Discoverer Williamina Fleming (1910)
Epoch
29 Apr 2006 (HJD 2453855.0) Ephemeris
Outburst --
Period 280.1 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by nearby stars.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 V.P.Zessewitsch, M.S.Kazanasmas, Atlas of Finding Charts for Variable
Stars, M., 1971.
1971afcv.book.....T
3 B.V.Kukarkin, P.P.Parenago, Yu.I.Efremov, P.N.Kholopov, Supplement IV to
GCVS (First Edition). 1952.
--
4 Dunér, N. C.; Hartwig, E.; Muller, G., 1910, Benennung von neu entdeckten
veränderlichen Sternen
1910AN....186..273D
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 = 5.07H = 4.07K = 3.75J - K = 1.32
AllWISE W1 = 3.55W2 = 2.81W3 = 2.16W4 = 1.53W1 - W2 = 0.74W3 - W4 = 0.63
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 05 57.07 -38 15 12.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
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4 Fernig, Leo 2022-09-21 20:31 UTC Discoverer updated from 1910AN....186..273D p281
3 Otero, Sebastian Alberto 2012-01-13 00:02 UTC Primary record creation. Epoch and maximum magnitude from ASAS-3 data. Minimum magnitude from AAVSO data.
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.