Planet SWIFT J1756-2508

Name SWIFT J1756-2508
Planet Status Unconfirmed
Discovered in 2007
Mass 7.8 (± 1.3) MJ
Mass*sin(i) 7.8 (± 1.3) MJ
Semi-Major Axis
Orbital Period 0.0379907 (± 5e-07) day
Eccentricity
ω
Tperi
Radius
Inclination
Update 2018-12-19
Detection Method Other
Mass Detection Method TTV
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

SWIFT J1756-2508
Name SWIFT J1756-2508
Distance 8000.0 pc
Spectral type X-ray Pulsar
Apparent magnitude V
Mass 1.8 (± 0.4) MSun
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 17:56:57.4
Dec2000 -25:06:27
Alternate Names
Planetary system 1 planet

More data

Observability Predictor

Remarks

30 Jan 2014: The physical nature of this planetary-mass object is unclear (Krimm et al. 2007)

Related publications

SWIFT J1756.9-2508: spectral and timing properties of its 2018 outburst
2018 SANNA A., PINTORE F., RIGGIO A., MAZZOLA S.M., BOZZO E. et al.
MNRAS, 481, 1658
paper   arxiv

Discovery of the Accretion-powered Millisecond Pulsar SWIFT J1756.9-2508 with a Low-Mass Companion
2007 KRIMM H., MARKWARDT C., DELOYE C., ROMANO P., CHAKRABARTY D., CAMPANA S., CUMMINGS J., GALLOWAY D., HEHRELS N., HARTMAN J., KAARET P., MORGAN E. & TUELLER J.
ApJ. Letters, 668, L147
paper