VSX : Detail for pi Lup

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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)

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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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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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Location

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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.