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Name
  V1297 Sco  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 56 05.22 -40 20 57.6  (254.02175 -40.34933) Search nearby
B1950.0 16 52 37.12 -40 16 14.4
Proper motion
RA: -0.660 +/- 0.574 mas/yDec: -1.392 +/- 0.583 mas/ySource: Gaia DR1
Galactic coord. 344.840 +1.829
Other names

(Internal only)
2MASS J16560521-4020576 ALS 3843 ASAS J165605-4021.0
ASASSN-V J165605.17-402057.3 CD-40 10956 CPD-40 7624
GSC 07872-01003 HD 152590 LS 3843
LSS 3843 NGC 6231 331 NSV 20859
PPM 322423 SAO 227460 TIC 341258182
TYC 7872-1003-1 Trumpler 24 392 UCAC4 249-102149
cl Braes 173 (ass. Sco OB1)    
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Variability type
EA
Spectral type 07.5V
Mag. range
8.40 - 8.62 V
Discoverer --
Epoch
11 Sep 2003 (HJD 2452893.72) Ephemeris
Outburst --
Period 4.48886 d
Rise/eclipse dur. 8%  (8.6 h)
Remarks
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1 Otero, Sebastian Alberto Eccentric system. Min II = 8.46V at phase 0.48.
2 2004IBVS.5495....1O Min II = 8.46:V.
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References
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1 Bob Nelson's O-C files, 2016 --
2 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2008, IBVS 5863
2008IBVS.5863....1K
3 S.A.Otero, F.Claus, IBVS N5495, 2004. 2004IBVS.5495....1O
4 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
5 Ch.L.Perry, G.Hill, D.M.Christodoulou, AsAp Suppl 90, No.2, 195, 1991. 1991A&AS...90..195P
External Links
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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 = 7.98H = 7.90K = 7.92J - K = 0.06
AllWISE W1 = 7.98W2 = 8.05W1 - W2 = -0.07
APASS-DR9 B = 8.57V = 8.44g' = 8.44r' = 8.46i' = 8.56B - V = 0.13
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2021-06-12 04:26 UTC Epoch and minimum magnitude from ASAS-3 data. Gaia EDR3 position.
4 Admin, VSX 2010-01-05 04:43 UTC Update from the GCVS version of November 2009.
3 Admin, VSX 2008-12-03 03:59 UTC Primary name changed to GCVS designation [2008IBVS.5863....1K]
2 Admin, VSX 2007-03-23 19:55 UTC Update from [2004IBVS.5495....1O].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.