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Name
  GDS_J0755571-283218  
AAVSO UID
--  
Constellation
Puppis Sequence
J2000.0
07 55 57.13 -28 32 18.0  (118.98804 -28.53833) Search nearby
B1950.0 07 53 55.19 -28 24 16.3
Proper motion
RA: -2.594 +/- 0.617 mas/yDec: 3.229 +/- 0.609 mas/ySource: Gaia DR1
Galactic coord. 245.375 -0.037
Other names

(Internal only)
2MASS J07555712-2832181 ALS 872 CD-28 5107
CDS 708 CGO 174 CPD-28 2563
GSC 06565-00104 Gaia DR3 5600427592092240256 HD 65087
LS 872 PPM 253488 SAO 174828
TIC 129522082 TYC 6565-104-1 UCAC4 308-035031
[N75] 103    
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Variability type
EA+BE
Spectral type B2/3II/III
Mag. range
9.51 - 9.63 V
Discoverer Bochum Galactic Disk Survey (GDS)
Epoch
29 Jan 2023 (HJD 2459974.37) Ephemeris
Outburst --
Period 40.11168 d
Rise/eclipse dur. 3.9%  (1.564 d)
Remarks
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1 Otero, Sebastian Alberto Eccentric system. Min II= 9.60 V at phase 0.187. Duration 2.4%. Apsidal motion. Min II period 40.1119 d. Total eclipses.
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References
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1 Huang, C. X.; et al., 2020, Photometry of 10 Million Stars from the First
Two Years of TESS Full Frame Images: Part I
2020RNAAS...4..204H
2 M. Hackstein, Ch. Fein, M. Haas et al., 2015, AN 336, 590 2015AN....336..590H
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
4 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1982MSS...C03....0H
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 = 9.31H = 9.26K = 9.25J - K = 0.06
AllWISE W1 = 9.26W2 = 9.30W3 = 9.35W4 = 8.96W1 - W2 = -0.04W3 - W4 = 0.39
APASS-DR9 B = 9.57V = 9.48g' = 9.62r' = 9.56i' = 9.75B - V = 0.09
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2024-07-19 16:05 UTC Phase plot with TESS QLP and ASAS-3 data.
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Revision History
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3 Otero, Sebastian Alberto 2024-07-19 16:05 UTC Type, period, epoch, eclipse duration and range from ASAS-3 and TESS data. Gaia DR3 position.
2 Admin, VSX 2017-12-15 03:51 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
1 Admin, VSX 2016-01-03 04:07 UTC Initial upload.