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Name
  IO CrA  
AAVSO UID
000-BDM-616 (No observations)  
Constellation
Corona Australis Sequence
J2000.0
18 16 41.57 -37 25 36.3  (274.17319 -37.42676) Search nearby
B1950.0 18 13 16.77 -37 26 41.7
Proper motion
RA: 6.7 +/- 2.5 mas/yDec: -1.8 +/- 2.5 mas/ySource: UCAC4
Galactic coord. 355.745 -9.810
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18164157-3725363 ASAS J181642-3725.6 ASASSN-V J181641.62-372535.9
HV 7353 OGLE-BLG-LPV-261116 OGLE-IV BLG957.11.26
UCAC4 263-168736    
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Variability type
M
Spectral type --
Mag. range
12.9 - <14.4 V
Discoverer --
Epoch
03 Jul 1926 (HJD 2424700.0) Ephemeris
Outburst --
Period 172.5 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by UCAC4 263-168729 (V= 15.1; sep. 7"), GSC2.3 S9Q6024427 (V= 16.4; sep. 9"), UCAC4 263-168738 (V= 15.0; sep. 11") and UCAC4 263-168744 (V= 15.9; sep. 13"). Range has been corrected.
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References
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1 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way
2022ApJS..260...46I
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 V.P.Zessewitsch, M.S.Kazanasmas, Atlas of Finding Charts for Variable
Stars, M., 1971.
1971afcv.book.....T
4 H.H.Swope, HA 90, N7, 1936. 1940AnHar..90..207S
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 = 8.90H = 8.06K = 7.67J - K = 1.23
AllWISE W1 = 7.33W2 = 7.06W3 = 5.90W4 = 5.15W1 - W2 = 0.27W3 - W4 = 0.74
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2023-02-21 21:42 UTC Type from 2022ApJS..260...46I. Gaia DR3 position.
3 Otero, Sebastian Alberto 2017-02-09 07:21 UTC Primary record creation. Type, period, epoch and range from ASAS-3 data. UCAC4 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.