VSX : Detail for HD 149834

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Name

HD 149834

AAVSO UID

000-BPD-222 (No observations)

Constellation

Ara

Sequence

J2000.0

16 39 30.68 -48 51 02.5 (249.87783 -48.85069)

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B1950.0

16 35 45.50 -48 45 10.0

Galactic coord.

336.446 -1.407

Other names

(Internal only)

2MASS J16393068-4851025	ALS 16875	ASAS J163930-4851.0
CD-48 11033	CPD-48 8660	CXOGSG J163930.6-485102
GSC 08333-00100	NGC 6193 HG 1696	PPM 321993
SAO 227008	TIC 34488204	TYC 8333-100-1
UCAC4 206-124304	[HH77] 696	[W63] 37

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Variability type

EA+BCEP+SPB

Spectral type

B2V+K/MV

Mag. range

9.13 - 9.18 V

Discoverer

K. G. Stassun et al.

Epoch

07 Jun 2019 (HJD 2458641.8547)

Ephemeris

Outburst

Period

4.595701 d

Rise/eclipse dur.

Remarks

Some references may be clicked to view in new window. Roll over index number to view submission details.

Otero, Sebastian Alberto

Reflection effect amplitude 0.015 (TESS). Eclipse amplitude 0.017 (TESS). Pulsation amplitude 0.008 (TESS). Main periods 0.8326, 3.040 (SPB) and 0.1255 (BCEP) d.

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References

Click reference title/citation to view in new window. Roll over index number to view submission details.

1	Stassun, K. G.; Torres, G.; Johnston, C.; et al., 2021, Discovery and Characterization of a Rare Magnetic Hybrid β Cephei Slowly Pulsating B-type Star in an Eclipsing Binary in the Young Open Cluster NGC 6193	2021ApJ...910..133S
2	Pojmanski, G., 2002, The All Sky Automated Survey	2002AcA....52..397P