| Name | HR 8799 | |
| Distance | 39.4 ± 1 pc | ![]() |
| Spectral type | A5V | |
| Apparent magnitude V | 5.96 | |
| Mass | 1.56 MSun | ![]() |
| Age | 0.06 +0.03-0.03 Gyr | ![]() |
| Effective temperature | K | |
| Radius | 1.5 ± 0.3 RSun | ![]() |
| Metallicity [Fe/H] | -0.47 | ![]() |
| RA2000 | 23:07:29.0 | |
| Dec2000 | +21:08:03 | |
| Planetary system | 5 planets |
Effects of a planetesimal debris disk on stability scenarios for the extrasolar planetary system HR 8799
Jan. 11, 2013
MOORE A. & QUILLEN A.
MNRAS, accepted
arxiv
LBT observations of the HR 8799 planetary system: First detection of HR8799e in H band
Dec. 18, 2012
ESPOSITO S., MESA D., SKEMER A., ARCIDIACONO C., CLAUDI R. & 30 additional authors
Astron. & Astrophys., 459, A52
paper arxiv
Masses, Radii, and Cloud Properties of the HR 8799 Planets
July 20, 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
June 9, 2012
SKEMER A., HINZ Ph., ESPOSITO E., BURROWS A., LEISENRING J. & 44 additional authors
ApJ., 753, 14
paper arxiv
Direct Detection and Orbit Analysis of the Exoplanets HR 8799 bcd from Archival 2005 Keck/NIRC2 Data
June 5, 2012
CURRIE Th., FUKAGAWA M., THALMANN Ch., MATSUMURA S. & PLAVCHAN P.
ApJ.
arxiv
Extrasolar planet population synthesis IV. Correlations with disk metallicity, mass and lifetime
May 10, 2012
MORDASINI Ch., ALIBERT Y., BENZ W., KLAHR H. & HENNING Th.
Astron. & Astrophys., 542, A97
paper arxiv
Direct Imaging of Extra-solar Planets - Homogeneous Comparison of Detected Planets and Candidates
Jan. 18, 2012
NEUHÄUSER R. & SCHMIDT T.
arxiv
Dependence of a planet's chaotic zone on particle eccentricity: the shape of debris disc inner edges
Jan. 16, 2012
MUSTILL A. & WYATT M.
MNRAS, 419, 3074
paper arxiv
High-Mass, Four-Planet Models for HR 8799: Constraining the Orbital Inclination and Age of the System
Jan. 14, 2012
SUDOL J. & HAGHIGHIPOUR N.
ApJ, 755, 38
paper arxiv
The Exoplanet Handbook
May 22, 2012
Michael Perryman
Content
Content and Chapter 5
Adaptive Optics Observations of Exoplanets, Brown Dwarfs, & Binary Stars
Dec. 9, 2011
HINKLEY S.
arxiv
The effects of snowlines on C/O in planetary atmospheres
Nov. 22, 2011
OBERG K., MURRAY-CLAY R. & BERGIN E.
ApJ. Letters, 743, L16
paper arxiv
Pulsating stars harbouring planets
Nov. 10, 2011
MOYA A.
arxiv
Orbital Motion of HR 8799 b,c, d using Hubble Space Telescope data from
1998: Constraints on Inclination, Eccentricity and Stability
Oct. 17, 2011
SOUMMER R., HAGAN B., PUEYO L., THORMANN A., RAJAN A. & MAROIS Ch.
ApJ., 741, 55
paper
Estimation of the XUV radiation onto close planets and their evaporation
Sept. 16, 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
Sept. 13, 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
Sept. 3, 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
Aug. 1, 2011
SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
paper arxiv
Resolved Submillimeter Observations of the HR 8799 and HD 107146 Debris Disks
July 19, 2011
HUGHES A., WILNER D., ANDREWS S., WILLIAMS J., SU K. & 2 additional authors
ApJ.
arxiv
Spatially resolved submillimeter imaging of the HR 8799 debris disk
July 5, 2011
PATIENCE J., BULGER J., KING R., AYLIFFE B., BATE M. & 5 additional authors
Astron. & Astrophys., 531, L17
paper arxiv
Dynamical evolution of planetary systems
June 22, 2011
MORBIDELLI A.
arxiv
Estimates of the Planet Yield from Ground-Based High-Contrast Imaging Observations as a Function of Stellar Mass
May 17, 2011
CREPP J. & JOHNSON J.
ApJ., 733, 126
paper arxiv
Clouds and Chemistry in the Atmosphere of Extrasolar Planet HR8799b
May 6, 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
March 28, 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
March 25, 2011
BOSS A.
ApJ., 731, 74
paper arxiv
Observational Constraints on Companions inside of 10 AU in the HR 8799 Planetary System
March 8, 2011
HINKLEY S., CARPENTER J., IRELAND M. & KRAUS A.
ApJ. Letters, 730, L21
paper arxiv
Model atmospheres for massive gas giants with thick clouds: Application to the HR 8799 planets and predictions for future detections
Feb. 28, 2011
MADHUSUDHAN N., BURROWS A. & CURRIE Th.
ApJ.
arxiv
A Combined Subaru/VLT/MMT 1-5 μm Study of Planets Orbiting HR 8799: Implications for Atmospheric Properties, Masses, and Formation
Feb. 18, 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
Latest Results from the DODO Survey: Imaging Planets around White Dwarfs
Feb. 3, 2011
HOGAN E., BURLEIGH M. & CLARKE F.
arxiv
Determination of the inclination of the multi-planet hosting star HR8799 using asteroseismology
Jan. 22, 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
Thermal Infrared MMTAO Observations of the HR 8799 Planetary System
Oct. 25, 2011
HINZ Ph., RODIGAS T., KENWORHY M., SIVANANDAM S., HEINZE A., MAMAJEK E. & MEYER M.
ApJ., 716, 417
paper arxiv
Images of a fourth planet orbiting HR 8799
Dec. 23, 2010
MAROIS Ch., ZUCKERMAN B., KONOPACKY Q., MACINTOSH B. & BARMAN T.
Nature, 468, 1080
paper arxiv
Exoplanet Atmospheres
Nov. 10, 2010
SEAGER S. & DEMING D.
Ann. Rev. Astron. Astrophys., 48, 631
paper
Non-redundant Aperture Masking Constraints on Massive Companions within 12 AU of the HR 8799 System
Nov. 2, 2010
HINKLEY S., CARPENTER J. & IRELAND M.
BAAS, 4, 302.04
abstract
Dynamical simulations of the HR8799 planetary system
Oct. 7, 2010
MARSHALL J., HORNER J. & CARTER A.
Int. J. Astrobiol., 9, 259
paper
Formation and evolution of planetary systems: the impact of high angular resolution optical techniques
Sept. 15, 2010
ABSIL O. & MAWET D.
Astron. & Astrophys. Rev., 18, 317
paper astro-ph
The Hill stability of the possible moons of extrasolar planets
Sept. 11, 2010
DONNISON J.
MNRAS, 406, 1918
paper
Exploring the conditions required to form giant planets via gravitational instability in massive protoplanetary discs
Aug. 6, 2010
MERU F. & BATE M.
MNRAS, 406, 2279
paper
The planetary system host HR 8799: On its λ Bootis nature
July 13, 2010
MOYA A., AMADO J., BARRADO D., GARCIA HERNANDEZ A., ABERASURI M., MONTESINOS B. & ACEITUNO F.
MNRAS, 406, 566
paper
Giant Planet Formation
June 30, 2010
D'ANGELO G., DURISEN R. & LISSAUER J.
paper
Age determination of the HR8799 planetary system using asteroseismology
June 3, 2010
MOYA A., AMADO J., BARRADO D., GARCIA HERNANDEZ A., ABERASURI M., MONTESINOS B. & ACEITUNO F.
MNRAS, 405, L81
paper
Metallicity of the Massive Protoplanets Around HR 8799 if Formed by Gravitational Instability
May 8, 2010
HELLED R. & BODENHEIMER P.
Icarus, 207, 503
paper
An image of an exoplanet separated by two diffraction beamwidths from a star
April 15, 2010
SERABYN E., MAWET D. & BURRUSS R.
Nature, 464, 1018
paper
Asteroseismic determination of the physical characteristics of the planetary system host HR 8799 (λ Bootis nature and age)
March 31, 2010
MOYA A., ARNADO P., BARRADO D., GARCIA-HERNANDEZ A., ABERASTURI, MONTESINOS B. & ACEITUNO F.
paper
Stability of the directly imaged multiplanet system HR 8799: resonance and masses
Jan. 30, 2010
FABRYCKY D. & MURRAY-CLAY R.
ApJ., 710, 1408
paper
The Runts of the Litter: Why Planets Formed Through Gravitational Instability Can Only Be Failed Binary Stars
Jan. 30, 2010
KRATTER K., MURRAY-CLAY R. & YOUDIN A.
ApJ., 710, 1375
paper
Spatially resolved spectroscopy of the exoplanet HR 8799 c
Jan. 21, 2010
JANSON M., BERGFORS C., GOTO M., BRANDNER W. & LAFRENIERE D.
ApJ. Letters, 710, L35
paper
A Search for Wide Companions to the Extrasolar Planetary System HR 8799
Jan. 7, 2010
CLOSE L. & MALES J.
ApJ., 709, 342
paper
Homogeneous comparison of planet candidates imaged directly until 2008
Feb. 27, 2011
SCHMIDT T., NEUHÄUSER R. & SEIFAHRT A.
paper
Orbital Properties of the HR 8799 Planetary System
Nov. 27, 2009
KONOPACKY Q., MACINTOSH B., MAROIS C., BARMAN T. & GHEZ A.
BAAS, 42, 423.05
abstract
Imaging The Exoplanets In HR8799 With A Vector Vortex Coronagraph On The Palomar 1.5 M Diameter Well-corrected Subaperture
Nov. 18, 2009
SERABYN G., MAWET D. & BURRUSS R.
BAAS, 42, no 1, 377.06
abstract
Optical to Submillimeter Imaging of the Fomalhaut and HR 8799 Planetary Systems.
Nov. 18, 2009
KALAS P., FITZGERALD M., PAPADOPOULOS P., GRAHAM J., MANESS H., MATTHEWS B., CLAMPIN M., CHIANG E. & BASU K.
BAAS, 42, no 1, 377.07
abstract
High-Contrast Observations in Optical and Infrared Astronomy
Oct. 27, 2009
OPPENHEIMER B. & HINKLEY S.
Ann. Rev. Astron. & Astrophys., 47, 253
paper
Pre-Discovery 2007 Image of the HR 8799 Planetary System
Oct. 27, 2009
METCHEV S., MAROIS Ch. & ZUCKERMAN B.
ApJ. Letters, 705, L204
paper
Direct imaging of extrasolar planets: overview of ground and space programs
Oct. 23, 2009
BOCCALETTI A.
paper
The Debris Disk Around HR 8799
Oct. 15, 2009
SU K., RIEKE G., STAPELFELDT K., MALHOTRA R., bryden G., SMITH S., MISSELT K., MORO-MARTIN A. & WILLIAMS J.
ApJ., 705, 314
paper
Modeling Exoplanet Atmospheres: What do We Really Know?
Sept. 23, 2009
MARLEY M.
BAAS, 41, no 3, 31.03
abstract
The Formation Mechanism of Gas Giants on Wide Orbits
Sept. 22, 2009
DODSON-ROBINSON S., VERAS D., FORD E. & BEICHMAN C.
ApJ.
preprint
Planet Formation at Wide Separations: Constraints from HR 8799
Sept. 21, 2009
MURRAY-CLAY R., KRATTER K. & YOUDIN A.
BAAS, 41, no 3, 05.06
abstract
Is the HR 8799 extrasolar system destined for planetary scattering?
Sept. 8, 2009
GOZDZIEWSKI K. & MIGASZEWSKI C.
MNRAS, 397, L16
paper
Did Fomalhaut, HR 8799, and HL Tauri Form Planets via the Gravitational Instability? Placing Limits on the Required Disk Masses
Sept. 8, 2009
NERO D. & BJORKMAN E.
ApJ. Letters, 702, L158
paper
Direct Imaging of Exoplanets and Brown Dwarfs with the VLT: NACO Pupil-stabilised Lyot Coronagraphy at 4 µm
Sept. 8, 2009
KASPER M., AMICO P., POMPEI E., AGEORGES N., APAI D., ARGOMENDO J., KORMWEIBEL N. & LIDAN Ch.
Messenger, 137, 8
paper
A possible architecture of the planetary system HR 8799
Sept. 8, 2009
REIDEMEISTER M., KRIKOV A., SCHMIDT T., FIEDLER S., LÖHNE T. & MÜS.& NEUH&Aml;USER R.
Astron. & Astrophys., 503, 247
A possible architecture of the planetary system HR 8799
May 29, 2009
REIDMEISTER M., KRIKOV A., SCHMIDT T., FIEDLER S., MÜLLER S., LÖHNE T. & NEUHÄUSER R.
Astron. & Astrophys.
paper
Is the HR 8799 extrasolar system destined for planetary scattering?
April 28, 2009
GOZDZIEAWSKI K. & MAGASZEWSKI C.
MNRAS
preprint
H band Image of a Planetary Companion around HR 8799 in 2002
April 8, 2009
FUKAGAWA M., ITOH Y., TAMURA M., OASA Y., HAYASHI S., FUJITA Y., SHIBAI H. & HAYASHI M.
ApJ. Letters, 696, L1
paper
Stable Four-Planet Configurations for HR8799
April 8, 2009
SUDOL J., ASSALITA S., JOHNSTON B. & HAGHIGHIPOUR N.
BAAS, 41, no 2, 434.10
abstract
Multiple Planets Orbiting the Star HR 8799
April 8, 2009
MAROIS Ch., MACINTOSH B., BARMAN T., ZUCKERMAN B., SONG I., PATIENCE J., LAFRENIERE D. & DOYON R.
BAAS, 41, no 2, 230.03
abstract
HST/NICMOS detection of HR 8799 b in 1998
March 17, 2009
LAFRENIERE D., MAROIS Ch., DOYON R. & BARMAN T.
ApJ. Letters, 694, L148
paper
Seeing is Believing
Nov. 28, 2008
MARLEY M.
Science, 322, 1335
paper Science
Direct Imaging of Multiple Planets Orbiting the Star HR 8799
Nov. 28, 2008
MAROIS C., MacINTOSH B., BARMAN T., ZUCKERMAN B., SONG I., PATIENCE J., LAFRENIERE D. & DOYON R.
Science, 322, 1348
paper Science astro-ph