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Latest Details
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Name
  BN Sco  
AAVSO UID
000-BBZ-615 (708 observations)  
Constellation
Scorpius Sequence
J2000.0
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
ASASSN-V J175410.58-342027.0 GSC 07386-00352 HV 3587
IOMC 7386000063 IRAS 17508-3419 PARK 2 3812
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Variability type
M
Spectral type M6shell
Mag. range
9.8 - <14.5 V
Discoverer Mary Applegate (1921)
Epoch
08 Jun 2004 (HJD 2453165) Ephemeris
Outburst --
Period 620 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team In the region of the open cluster NGC 6475 = M7. Resembles R Cen.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
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
6 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 = 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
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 54 10.57 -34 20 27.3 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 NGC 6475 Open Cluster 2012A&A...548A..97Z
Campaigns/Programs
 LPV Humps
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Fernig, Leo 2023-03-29 20:26 UTC Discoverer updated from 1922AN....215..185H page 192.
3 Otero, Sebastian Alberto 2013-06-14 00:58 UTC Primary record creation. Type, period, epoch and range from ASAS-3 data. Spectral type from 1998yCat.3206....0B.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.