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Name
  pi Lup  
AAVSO UID
000-BPW-655 (No observations)  
Constellation
Lupus Sequence
J2000.0
15 05 07.09 -47 03 04.5  (226.27954 -47.05125) Search nearby
B1950.0 15 01 42.03 -46 51 26.4
Galactic coord. 325.326 +9.925
Other names

(Internal only)
1RXS J150506.3-470305 2RXS J150506.3-470306 CCDM J15051-4703AB
CD-46 9773 EUVE J1505-47.0 HD 133242
HIP 73807 IDS 14583-4640 AB PPM 320215
SAO 225426 TIC 335452175 UCAC4 215-095213
WDS J15051-4703AB XMMSL1 J150507.4-470303 XMMSL2 J150507.8-470307
pi. Lup    
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Variability type
EA+SPB
Spectral type B5V+B5IV
Mag. range
3.90 - 3.92 V
Discoverer A. N. Sharma et al. (TESS)
Epoch
27 Apr 2019 (HJD 2458601.262) Ephemeris
Outburst --
Period 15.4972 d
Rise/eclipse dur. 0.86%  (0.13 d)
Remarks
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1 Otero, Sebastian Alberto SPB pulsations with P= 0.6505 and 0.5719 d. Quadruple system with two spectroscopic binaries. A= 4.62V; B= 4.68V; sep. 1.6". AB period 517 y. Combined magnitudes and amplitude given. Eclipse amplitude 0.013 TESS. Pulsations amplitude 0.005 TESS.
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References
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1 Sharma, A. N.; et al., 2022, Pulsating B stars in the Scorpius-Centaurus
Association with TESS		 2022MNRAS.515..828S
2 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
3 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
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Images
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Supporting Documents
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2 Phase plot SPB Otero, Sebastian Alberto 2024-05-28 15:51 UTC Phase plot with the main pulsation period using TESS data.
1 Phase plot EA Otero, Sebastian Alberto 2024-05-28 15:48 UTC Phase plot with the orbital period using TESS data.
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Revision History
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1 Otero, Sebastian Alberto 2024-05-28 15:51 UTC Range derived from Hipparcos data.

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