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Latest Details
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Name
  BY Cru  
AAVSO UID
000-BDN-248 (2 observations)  
Constellation
Crux Sequence
J2000.0
12 04 48.63 -62 00 08.2  (181.20263 -62.00228) Search nearby
B1950.0 12 02 13.21 -61 43 24.6
Proper motion
RA: -31.12 +/- 37.36 mas/yDec: -28.88 +/- 36.89 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 297.489 +0.376
Other names

(Internal only)
CD-61 3326 CPD-61 2935 GSC 08978-05554
HD 104901 B HIP 58910 Hen 3- 747
Hen 3-747 SAO 251722 TYC 8978-5554-1
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Variability type
ELL
Spectral type F0Ib/II
Mag. range
7.60 - 8.01 V
Discoverer --
Epoch
27 Aug 1991 (HJD 2448495.6) Ephemeris
Outburst --
Period 106.4 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto W Serpentis interacting binary. Unseen companion. Visual triple system. A= 7.40V, B-V= 0.20, (sep 23"), B7Ib; C= 10.19V, B-V= 0.08, (sep. 25.5"), B2V.
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References
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1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties		 2018A&A...616A...1G
2 The strongly constrained interacting binary BY Crucis 1997A&A...317..823D
3 O.J.Eggen, IBVS N2454,1983. 1983IBVS.2454....1E
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 = 6.54H = 6.11K = 5.41J - K = 1.13
AllWISE W1 = 4.08W2 = 2.93W3 = 1.54W4 = 0.76W1 - W2 = 1.16W3 - W4 = 0.78
APASS-DR9 g' = 10.09
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 12 04 48.63 -62 00 08.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2020-05-14 23:53 UTC Gaia DR2 position.
3 Otero, Sebastian Alberto 2011-08-13 07:39 UTC Type, range and elements from 1997A&A...317..823D. UCAC3 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.

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