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Latest Details
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Name
  del Sco  
AAVSO UID
000-BBW-851 (11115 observations)  
Constellation
Scorpius Sequence
J2000.0
16 00 20.01 -22 37 18.2  (240.08337 -22.62172) Search nearby
B1950.0 15 57 22.36 -22 28 51.0
Proper motion
RA: -10.21 +/- 1.01 mas/yDec: -35.41 +/- 0.71 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 350.097 +22.490
Other names

(Internal only)
7 Sco 1RXS J160018.3-223707 2E 3547
2MASS J16002000-2237180 AAVSO 1554-22 ALS 14815
BD-22 4068 CCDM J16003-2237AB CD-22 11292
CPD-22 6106 Dschubba EUVE J1600-22.6
GC 21489 GCRV 9202 GSC 06779-02194
HD 143275 HIP 78401 HR 5953
IRAS 15573-2228 IRC -20303 MCW 556
PPM 264979 RX J160022.9-223724 SAO 184014
SBC9 1837 SRS 30594 TIC 12725034
TYC 6779-2194-1 WDS J16003-2237AB  
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Variability type
GCAS
Spectral type B0.3IVe+B3:V
Mag. range
1.59 - 2.33 V
Discoverer Sebastián Otero
Epoch
--
Outburst --
Period --
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 Orbital period 10.81 y. Periastron passage triggers Be activity.
2 Otero, Sebastian Alberto Eccentric binary system.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 S. Otero, VSNET Alert No. 5118, 2000
(http://www.kusastro.kyoto-u.ac.jp/vsnet/Mail/alert5000/msg00118.html).		 --
2 Meilland, A., et al. (2011) 2011arXiv1106.1746M
3 Miroshnichenko, A.S., et al. (2001) 2001A&A...377..485M
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 = 2.41H = 2.43K = 2.43J - K = -0.02
AllWISE W3 = 1.11W4 = 0.57W3 - W4 = 0.55
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 16 00 20.01 -22 37 18.2 (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.
5 Otero, Sebastian Alberto 2025-11-17 15:42 UTC Minimum magnitude from the GCPD.
4 Otero, Sebastian Alberto 2011-06-21 18:56 UTC Reference added. Range updated from http://varsao.com.ar/delta_Sco.htm.
3 Otero, Sebastian Alberto 2011-06-21 18:53 UTC Spectral type asn remarks added.
2 Otero, Sebastian Alberto 2007-03-04 02:09 UTC Updated photoelectric and visual lightcurve.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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