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Name
  del Sco  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 00 20.00 -22 37 18.0  (240.08333 -22.62167) Search nearby
B1950.0 15 57 22.32 -22 28 52.5
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 --
Mag. range
1.86 - 2.32 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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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
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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
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Supporting Documents
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Revision History
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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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