Planet HR 8799 e

Name HR 8799 e
Discovered in 2010
Mass 9.0 (± 4.0) MJ
Semi-major axis 14.5 (± 0.5) AU
Orbital period 18000.0 (± 0.0) day
Eccentricity
ω
Tperi
Radius
Inclination
Update Aug. 30, 2013
Detection Method Imaging
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)
Alternate Names

Graphical Ephemeris (Beta Version)

Star

Name HR 8799
Distance 39.4 (± 1.0) pc
Spectral type A5V
Apparent magnitude V 5.96
Mass 1.56 MSun
Age 0.06 ( -0.03 +0.03 ) Gyr
Effective temperature
Radius 1.5 (± 0.3) RSun
Metallicity [Fe/H] -0.47
Detected Disc
Magnetic Field
RA2000 23:07:29.0
Dec2000 +21:08:03
Alternate Names
Planetary system 4 planets

Other web-pages

T. Barman movies

More data


Related publications

Deep Thermal Infrared Imaging of HR 8799 bcde: New Atmospheric Constraints and Limits on a Fifth Planet
2014 CURRIE Th., BURROWS A., GIRARD J., CLOUTIER R., FUKAGAWA M. et al.
ApJ, 795, 133
paper  arxiv  

MOST light-curve analysis of the gamma Dor pulsator HR 8799, showing resonances and amplitude variations
2014 SODOR A., CHENE A.-N., DE CAT P., BOGNAR Zs., WRIGHT D. et al.
Astron. & Astrophys., accepted
arxiv  

Observations, Modeling and Theory of Debris Disks
2014 MATHEWS B., KRIKOV A., WYATT M., BRYDEN G. & EIROA C.
in Protostars & Planets VI., accepted
arxiv  

Directly Imaged L-T Transition Exoplanets in the Mid-Infrared
2013 SKEMER A., MARLEY M., HINZ Ph., MORZINSKI K., STRUTSKIE M. & 13 additional authors
ApJ, 792, 17
arxiv   paper  

Resolved Imaging of the HR 8799 Debris Disk with Herschel
2013 MATTHEWS B., KENNEDY G., SIBTHORPE B., BOOTH M., WATT M. & 3 additional athors
ApJ, accepted
paper arxiv  

Imaged sub-stellar companions: not as eccentric as they appear? The effect of an unseen inner mass on derived orbits
2013 PEARCE T., WYATT M. & KENNEDY G.
MNRAS, in press
paper  arxiv  

Multiple mean motion resonances in the HR 8799 planetary system
2013 GOZDZIEWSKI K. & MIGASZEWSKI C.
MNRAS, submitted
arxiv  

Signpost of Multiple Planets in Debris Disks
2013 SU K. & RIEKE G.
in "Exploring the Formation and Evolution of Planetary Systems"
arxiv  

Effects of a planetesimal debris disk on stability scenarios for the extrasolar planetary system HR 8799
2013 MOORE A. & QUILLEN A.
MNRAS, accepted
arxiv  

Direct Imaging of Extra-solar Planets - Homogeneous Comparison of Detected Planets and Candidates
2012 NEUHÄUSER R. & SCHMIDT T.
in "Topics in Adaptive Optics", Chap 3
Full text  arxiv

Extrasolar planet population synthesis IV. Correlations with disk metallicity, mass and lifetime
2012 MORDASINI Ch., ALIBERT Y., BENZ W., KLAHR H. & HENNING Th.
Astron. & Astrophys., 541, A97
paper   arxiv

LBT observations of the HR 8799 planetary system: First detection of HR8799e in H band
2012 ESPOSITO S., MESA D., SKEMER A., ARCIDIACONO C., CLAUDI R. & 30 additional authors
Astron. & Astrophys., 459, A52
paper  arxiv

High-Mass, Four-Planet Models for HR 8799: Constraining the Orbital Inclination and Age of the System
2012 SUDOL J. & HAGHIGHIPOUR N.
ApJ, 755, 38
paper   arxiv

Masses, Radii, and Cloud Properties of the HR 8799 Planets
2012 MARLEY M., SAUMON D., CUSHING M., ACKERMAN A., FORTNEY J. & FREEDMAN R.
ApJ., 754, 135
paper   arxiv

First Light LBT AO Images of HR 8799 bcde at 1.65 and 3.3 Microns: New Discrepancies between Young Planets and Old Brown Dwarfs
2012 SKEMER A., HINZ Ph., ESPOSITO E., BURROWS A., LEISENRING J. & 44 additional authors
ApJ., 753, 14
paper   arxiv

Dependence of a planet's chaotic zone on particle eccentricity: the shape of debris disc inner edges
2012 MUSTILL A. & WYATT M.
MNRAS, 419, 3074
paper   arxiv

Resolved Submillimeter Observations of the HR 8799 and HD 107146 Debris Disks
2011 HUGHES A., WILNER D., ANDREWS S., WILLIAMS J., SU K. & 2 additional authors
ApJ., 740, Issue 1, id. 38, 9 pp
paper   arxiv

Dynamical evolution of planetary systems
2011 MORBIDELLI A.
paper   arxiv

Model atmospheres for massive gas giants with thick clouds: Application to the HR 8799 planets and predictions for future detections
2011 MADHUSUDHAN N., BURROWS A. & CURRIE Th.
ApJ., 737, Issue 1, 34, 15 pp
paper   arxiv

Latest Results from the DODO Survey: Imaging Planets around White Dwarfs
2011 HOGAN E., BURLEIGH M. & CLARKE F.
AIP Conference Proceedings, 1331, 271-277
paper   arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

Adaptive Optics Observations of Exoplanets, Brown Dwarfs, & Binary Stars
2011 HINKLEY S.
arxiv

The effects of snowlines on C/O in planetary atmospheres
2011 OBERG K., MURRAY-CLAY R. & BERGIN E.
ApJ. Letters, 743, L16
paper   arxiv

Pulsating stars harbouring planets
2011 MOYA A.
arxiv

Estimation of the XUV radiation onto close planets and their evaporation
2011 SANZ-FORCADA J., MICELA G., RIBAS I., POLLOCK A., EIROA C. & 2 additional authors
Astron. & Astrophys., 532, A6
paper   arxiv

Rapid inward migration of planets formed by gravitational instability
2011 BARUTEAU C., MERU F., PAARDEKOOPER S.-J.
MNRAS, 416, 1971
paper   arxiv

M-band Imaging of the HR 8799 Planetary System Using an Innovative LOCI-based Background Subtraction Technique
2011 GALICHER R., MAROIS Ch., MACINTOSH B., BARMAN T. & KONOPACKY Q.
ApJ. Letters, 739, L41
paper   arxiv

Defining and cataloging exoplanets: The exoplanet.eu database
2011 SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
paper   arxiv

Spatially resolved submillimeter imaging of the HR 8799 debris disk
2011 PATIENCE J., BULGER J., KING R., AYLIFFE B., BATE M. & 5 additional authors
Astron. & Astrophys., 531, L17
paper   arxiv

Estimates of the Planet Yield from Ground-Based High-Contrast Imaging Observations as a Function of Stellar Mass
2011 CREPP J. & JOHNSON J.
ApJ., 733, 126
paper   arxiv

Clouds and Chemistry in the Atmosphere of Extrasolar Planet HR8799b
2011 BARMAN T., MACINTOSH B., KONOPACKY Q. & MAROIS Ch.
ApJ., 733, 65
paper   arxiv

VLT/NACO astrometry of the HR 8799 planetary system. L0-band observations of the three outer planets
2011 BERGFORS C., BRANDNER W., JANSON M., KÖHLER R. & HENNING Th.
Astron. & Astrophys., 528, A134
paper

Formation of Giant Planets by Disk Instability on Wide Orbits Around Protostars with Varied Masses
2011 BOSS A.
ApJ., 731, 74
paper   arxiv

Observational Constraints on Companions inside of 10 AU in the HR 8799 Planetary System
2011 HINKLEY S., CARPENTER J., IRELAND M. & KRAUS A.
ApJ. Letters, 730, L21
paper   arxiv

A Combined Subaru/VLT/MMT 1-5 μm Study of Planets Orbiting HR 8799: Implications for Atmospheric Properties, Masses, and Formation
2011 CURRIE Th., BURROWS A., ITOH Y., MATSUMURA S., FUKAGAWA M., APAI D., MADHUSUDHAN N., HINZ Ph., RODIGAS T., KASPER M., PYO T.-S. & OGINO S.
ApJ., 729, 128
paper

Determination of the inclination of the multi-planet hosting star HR8799 using asteroseismology
2011 WRIGHT D., CHENE A.-N., De CAT P., MAROIS Ch., MATHIAS Ph., MACINTOSH B., ISAACS J., LEHMANN H. & HARTMANN M.
ApJ. Letters, 728, L20
paper   arxiv

Images of a fourth planet orbiting HR 8799
2010 MAROIS Ch., ZUCKERMAN B., KONOPACKY Q., MACINTOSH B. & BARMAN T.
Nature, 468, 1080
paper   arxiv