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Name
  VSSP J180034.33-224739.9  
AAVSO UID
000-BPQ-412 (1 observation)  
Constellation
Sagittarius Sequence
J2000.0
18 00 34.33 -22 47 39.9  (270.14304 -22.79442) Search nearby
B1950.0 17 57 32.53 -22 47 35.8
Galactic coord. 6.997 +0.226
Other names

(Internal only)
2MASS J18003433-2247399 ATO J270.1430-22.7944 CMC15 J180034.3-224739
GSC2.3 S9S0043622 TIC 109041613 UCAC4 337-119144
USNO-A2.0 0600-29940742 USNO-B1.0 0672-0677339 VVV J180034.33-224739.84
WISE J180034.32-224739.9    
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Variability type
EA/WR
Spectral type WN8o
Mag. range
13.01 - 13.53 r
Discoverer Leiming Tang, Shuming Wang, Wenjie Zhou, Guoyou Sun, Jingyuan Zhao, Mi Zhang, Yanxi Li, Xing Gao (Xingming Obs)
Epoch
19 Jun 2021 (HJD 2459384.825) Ephemeris
Outburst --
Period 39.07 d
Rise/eclipse dur. 10%  (4 d)
Remarks
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1 Tang, Leiming Min II = 13.43: r.
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References
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1 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
2 Tonry, J. L.; et al., 2018, ATLAS: A High-cadence All-sky Survey System 2018PASP..130f4505T
3 Shara, M. M.; et al., 1999, A deep survey for galactic Wolf-Rayet stars.
II. Implications for galactic structure and massive star formation
1999AJ....118..390S
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 00 34.33 -22 47 39.9 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Tang, Leiming 2023-07-09 15:39 UTC Phase plot with ZTF and ATLAS data.
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Revision History
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1 Tang, Leiming 2023-07-10 16:05 UTC Gaia DR3 position. Spectral type from 1999AJ....118..390S.