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  BN Sco  
000-BBZ-615 (654 observations)  
Scorpius Sequence
17 54 10.57 -34 20 27.3  (268.54404 -34.34092) Search nearby
B1950.0 17 50 51.22 -34 19 54.3
Proper motion
RA: 1.0 +/- 2.3 mas/yDec: -5.7 +/- 4.6 mas/ySource: UCAC4
Galactic coord. 356.287 -4.331
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J17541056-3420270 AAVSO 1747-34B ASAS J175412-3420.5
GSC 07386-00352 HV 3587 IOMC 7386000063
IRAS 17508-3419 PARK 2 3812  
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Variability type
Spectral type M6shell
Mag. range
9.8 - <14.5 V
Discoverer --
08 Jun 2004 (HJD 2453165) Ephemeris
Outburst --
Period 620 d
Rise/eclipse dur. --
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1 GCVS Team In the region of the open cluster NGC 6475 = M7. Resembles R Cen.
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 13th General Catalogue of MK Spectral Classification (Buscombe, 1998) 1998yCat.3206....0B
4 L.Plaut, Leid Ann 21, N3, 1958. --
5 H.H.Swope, HA 90, N7, 1936. 1940AnHar..90..207S
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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 = 3.44H = 2.28K = 1.70J - K = 1.74
AllWISE W3 = -0.29W4 = -1.15W3 - W4 = 0.86
APASS-DR9 B = 13.77V = 11.93g' = 13.58r' = 10.85i' = 8.15B - V = 1.83
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Stellar Association Membership
 NGC 6475 Open Cluster 2012A&A...548A..97Z
 LPV Humps
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2013-06-13 20:58 UTC Primary record creation. Type, period, epoch and range from ASAS-3 data. Spectral type from 1998yCat.3206....0B.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.