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Latest Details
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Name
  BO Ori  
AAVSO UID
000-BDY-997 (No observations)  
Constellation
Orion Sequence
J2000.0
05 35 43.02 -04 24 55.8  (83.92925 -4.41550) Search nearby
B1950.0 05 33 14.39 -04 26 47.1
Proper motion
RA: 14.5 +/- 3.6 mas/yDec: -1.6 +/- 3.6 mas/ySource: UCAC4
Galactic coord. 208.145 -18.843
Other names

(Internal only)
ASASSN-V J053543.11-042455.7 HBC 149 HV 3557
Parenago 2152    
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Variability type
INSB(YY)
Spectral type K4e
Mag. range
13.6 - 16.4: B
Discoverer Mary Applegate (1921)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team In the region of the Orion nebula T-association.
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References
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1 P.P.Parenago, Tr. Gos. Astron. Inst. Sternberg 25, 1954. --
2 Hartwig, E., 1922, Benennung von neu entdeckten veraenderlichen Sternen 1922AN....215..185H
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 = 11.05H = 10.27K = 9.79J - K = 1.25
AllWISE W1 = 8.70W2 = 8.08W3 = 5.60W4 = 3.78W1 - W2 = 0.61W3 - W4 = 1.83
APASS-DR9 B = 15.01V = 13.85g' = 14.58r' = 13.36i' = 12.70B - V = 1.16
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 05 35 43.02 -04 24 55.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 NGC 1981 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Fernig, Leo 2023-03-29 20:25 UTC Discoverer updated from 1922AN....215..185H page 189.
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.

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