Planet PTFO 8-8695 b

Name PTFO 8-8695 b
Planet Status Controversial
Discovered in 2012
Mass 5.6 ( -1.5 +1.9 ) MJ
Mass*sin(i) 5.5 ( -1.4 +1.4 ) MJ
Semi-Major Axis 0.008333 (± 0.0007) AU +
Orbital Period 0.448413 (± 4e-05) day
Eccentricity
ω
Tperi
Radius 0.36 (± 0.15) RJ +
Inclination 78.4 (± 11.5) deg +
Update 2020-05-22
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method Primary Transit
Primary transit 2455543.9402 JD
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 CVSO 30 b

Star

PTFO 8-8695
Name PTFO 8-8695
Distance 330.0 (± 9.0) pc
Spectral type M3 PMS
Apparent magnitude V 16.26
Mass 0.39 (± 0.05) MSun
Age 0.00265 (± 3e-05) Gyr
Effective temperature 3740.0 K
Radius 0.45 (± 0.18) RSun +
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 05:25:08.0
Dec2000 +01:34:24
Alternate Names CVSO 30
Planetary system 1 planet

Remarks

Alias 2MASS J05250755+0134243

More data

Observability Predictor

Remarks

11 Sep 2015: New doubts on the planet hypothesis (Yu et al. 2015)

Related publications

PTFO 8-8695: Two Stars, Two Signals, No Planet
2020 BOUMA L., WINN J., RICKER G., VANDERSPEK R., LATHAM D. et al.
Astron. J., 160, 86
paper    arxiv

Evidence for planetary hypothesis for PTFO 8-8695b with five-year optical/infrared monitoring observations
2020 TANIMOTO Y., YAMASHITA T., UI T., UCHIYAMA M., KAWABATA M. et al.
PASJ, accepted
arxiv  

Properties of CVSO 30 from TESS measurements: probably a binary T Tauri star with complex light curves and no obvious planets
2020 KOEN C.
MNRAS, 494, 4349
paper  

Multi-Color Simultaneous Photometry of the T-Tauri Star Having A Planetary Candidate CVSO 30
2017 ONITSUKA M., FUKUI A.,NARITA N., HIRANO T., KUSAKABE N. et al.
PASJ, 69, L2
arxiv   paper  

A Closer Look at CVSO30b: Transiting Exoplanet or Circumstellar Dust Clump?
2017 Ch-H. LEE
Res. Notes AAS, 1, 41
paper  

A New Model of Roche-lobe Overflow for Short-Period Gaseous Planets and Binary Stars
2017 JACKSON B., ARRAS Ph., PENEV K., PEACOCK S. & MARCHANT P.
ApJ, 835, 145
paper  arxiv  ADS  

H-alpha Variability in PTFO8-8695 and the Possible Direct Detection of Emission from a 2 Million Year Old Evaporating Hot Jupiter
2016 JOHNS-KRULL Ch., PRATO L., McLANE J., CIARDI D., van EYKEN J. et al.
ApJ, 830, 15
paper  arxiv  ADS

A reappraisal of parameters for the putative planet PTFO 8-8695b and its potentially precessing parent star
2016 HOWART I.
MNRAS, submitted
arxiv  

YETI observations of the young transiting planet candidate CVSO 30 b
2016 RAETZ S., SCHMIDT T., CZESLA S., KLOCOVA T., HOLMES L. et al.
MNRAS, 460, 2834
paper  arxiv  ADS

Direct Imaging discovery of a second planet candidate around the possibly transiting planet host CVSO 30
2016 SCHMIDT T., NEUHÄUSER R., BRICEÑO C., VOGT N., RAETZ S. et al.
Astron. & Astrophys., accepted
arxiv  

Revisiting a gravity-darkened and precessing planetary system PTFO 8-8695: spin-orbit non-synchronous case
2015 KAMIAKA Sh., MASUDA K., XUE Y., SUTO Y., NISHIOKA T. et al.
PASJ, 67 , 94
arxiv   paper   ADS  

Tests of the planetary hypothesis for PTFO 8-8695b
2015 YU L., WINN J., GILLON M., ALBRECHT S., RAPPAPORT S. et al.
ApJ, 812, 48
paper  arxiv  ADS  

Measurement of Spin-Orbit Misalignment and Nodal Precession for the Planet around Pre-Main-Sequence Star PTFO 8-8695 From Gravity Darkening
2013 BARNES J., VAN EYKEN J., JACKSON B., CIARDI D.& FORTNEY J.
ApJ, accepted
arxiv 

The PTF Orion Project: a Possible Planet Transiting a T-Tauri Star
2012 van EYKEN J., CIARDI D., von BRAUN K., KANE S., PLAVCHAN P. & 32 addiional authors
ApJ., 755, 42
paper   arxiv arxiv