Planet LKCA 15 b

Name LKCA 15 b
Planet Status Confirmed
Discovered in 2011
Mass 6.0 ( -1.0 +1.0 ) MJ
Mass*sin(i)
Semi-Major Axis 15.7 (± 2.1) AU
Orbital Period 40000.0 (± 0.0) day
Eccentricity
ω
Tperi
Radius
Inclination
Update 2015-09-09
Detection Method Imaging
Mass Detection Method
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

LKCA 15
Name LKCA 15
Distance 145.0 (± 15.0) pc
Spectral type K5V
Apparent magnitude V 11.91
Mass 0.97 (± 0.03) MSun
Age 0.002 Gyr
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 04:39:18.0
Dec2000 +22:21:03
Alternate Names
Planetary system
2 planets

More data

Observability Predictor

Remarks

19 Oct 2011: "... additional planets or an eccentric orbit are likely required." (Kraus & Ireland 2011).

Related publications

ALMA Detection of Dust Trapping around Lagrangian Points in the LkCa 15 Disk
2022 LONG F., ANDREWS S., ZHANG Sh., QI Ch., BENISTY M. et al.
ApJ. Letters, 937, L1
paper  

Two Rings and a Marginally Resolved, 5 au Disk around LkCa 15 Identified via Near-infrared Sparse Aperture Masking Interferometry
2022 BLAKELY D., FRANCIS L., JOHNSTONE D., SOULAIN A., TUTHILL P. et al.
ApJ, 931, 3
paper  

Host star metallicity of directly imaged wide-orbit planets: implications for planet formation
2021 SWASTIK C., BANYAI R., NARANG M., MANOJ P., SIVARANI T. et al.
Astron. J., 161, 114
paper   arxiv

Annular substructures in the transition disks around LkCa 15 and J1610
2020 FACCHINI S., BENISTY M., BAE J., LOOMIS R., PEREZ L. et al.
Astron. & Astrophys., accepted
arxiv

The Separation and H-alpha Contrasts of Massive Accreting Planets in the Gaps of Transitional Disks: Predicted H-alpha Protoplanet Yields for Adaptive Optics Surveys
2020 CLOSE L.
Astron. J., 160, 221
paper  arxiv  

An unbiased ALMA spectral survey of the LkCa 15 and MWC 480 protoplanetary disks
2020 LOOMIS R., ÖBERG K., ANDREWS S., BERGIN E., BERGNER J. et al.
ApJ, 893, 2
paper  arxiv  

A Pathfinder for Imaging Extrasolar Earths from the Ground
2019 CURRIE Th.
Nature Astronomy, 3, 436
paper  arxiv  

Performance and Early Science with the Subaru Coronagraphic Extreme Adaptive Optics Project
2019 CURIE Th., GUYON O., LOZI J., GROFF T., KASDIN J. et al.
SPIE Optics+Photonics
arxiv  

No Clear, Direct Evidence for Multiple Protoplanets Orbiting LkCa 15: LkCa 15 bcd are Likely Inner Disk Signals
2019 CURRIE Th., MAROIS Ch., CIEZA L., MULDERS G., LAWSON K. et al.
ApJ. Letters, accepted
arxiv  

Spectro-astrometry of the pre-transitional star LkCa 15 does not reveal an accreting planet but extended Halpha emission
2018 MENDIGUTIA I., OUDMAIJER R., SCHNEIDER P., HUELAMO N., BAINES D. et al.
Astron. & Astrophys., 618, L9
paper  arxiv  

What is the Mass of a Gap-Opening Planet?
2017 DONG R. & FUNG J.
ApJ, 835, 146
paper  arxiv  ADS  

Imaging protoplanets: observing transition disks with non-redundant masking
2016 SALLUM S., EISNER J., CLOSE L., HINZ Ph., FOLLETTE K. et al.
SPIE conference proceeding, 9907, 99070D
arxiv  

Resolving the planet-hosting inner regions of the LkCa 15 disk
2016 THALMANN, C., JANSON, M., GARUFI, A. & 27 additional authors
ApJL, 828, L17
arxiv  paper   ADS  

Accreting protoplanets in the LkCa 15 transition disk
2015 SALLUM S., FOLLETTE K., EISNER J., CLOSE L., HINZ Ph. et al.
Nature, 527, 342
paper  arxiv   ADS

Optical imaging polarimetry of the LkCa 15 protoplanetary disk with SPHERE ZIMPOL
2015 THALMANN Ch., MULDERS G., JANSON M., OLOFSSON J., BENISTY M. et al.
ApJ, accepted
arxiv  

Spectro-astrometry of LkCa 15 with X-Shooter: Searching for emission from LkCa 15b
2015 WHELAN E., HUELAMO N., ALCALA J., LILLO-BOX J., BOUY H. et al.
Astron. & Astrophys., in press
paper  arxiv  ADS  

An Unbiased 1.3 mm Emission Line Survey of the Protoplanetary Disk Orbiting LkCa 15
2015 PUNZI K., HILY-BLANT P., KASTNAR J., SACCO G.-G. a FORVEILLE Th.
ApJ, accepted
arxiv  

The architecture of the LkCa 15 transitional disk revealed by high-contrast imaging
2014 THALMAN C., MULDERS G., HODAPP K., JANSON M., GRADY C. et al.
Astron. & Astrophys., 566, A51
paper  arxiv  

Searching for circumplanetary disks around LkCa 15
2014 ISELLA A., CHANDLER C., CARPENTER J., PEREZ L. & RICCI L.
ApJ, 788, 129
paper  arxiv  

On the nature of the transition disk around LkCa 15
2012 ISELLA A., PEREZ L. & CARPENTER J.
ApJ.
arxiv

LkCa 15: A Young Exoplanet Caught at Formation?
2012 KRAUS A. & IRELAND M.
ApJ., 745, 5
paper   arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

A Closer Look at the LkCa 15 Protoplanetary Disk
2011 ANDREWS S., ROSENFELD K., WILNER D. & BREMER M.
ApJ. Letters, 742, L5
paper