Properties of the young gas giant planet β Pictoris b

Mickaël Bonnefoy; Anthony Boccaletti; Anne Marie Lagrange; France Allard; Christoph Mordasini; Hervé Beust; Gaël Chauvin; Julien H.V. Girard; Derek Homeier; Daniel Apai; Sylvestre Lacour; Daniel Rouan; Julien Rameau; Hubert Klahr

doi:10.1017/S174392131300848X

Properties of the young gas giant planet β Pictoris b

Mickaël Bonnefoy, Anthony Boccaletti, Anne Marie Lagrange, France Allard, Christoph Mordasini, Hervé Beust, Gaël Chauvin, Julien H.V. Girard, Derek Homeier, Daniel Apai, Sylvestre Lacour, Daniel Rouan, Julien Rameau, Hubert Klahr

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The young (12⁺⁸_-4 Myr) and nearby (19.44±0.05 pc) star β Pictoris is considered one of the best laboratories for the study of early phases of planetary systems formation since the identification of an extended debris disk surrounding the star in 1984. In 2009, we imaged at 3.8 μm with NaCo at VLT a gas giant planet around β Pictoris, roughly along the disk mid-plane, with a semi-major axis between 8 and 14 AU. We present here the first images of the planet in the J (1.265 μm), H (1.66 μm), and M' (4.78 μm) bands obtained between 2011 and 2012. We used these data to build the 1-5 μm spectral energy distribution (SED) of the companion, and to consolidate previous semi-major axis (8-10 AU) estimates. We compared the SED to seven atmospheric models to derive T_eff = 1700 ± 100 K. We used the temperature and the luminosity of β Pictoris b to estimate new masses for the companion. We compared these masses to independent constraints set by the orbital parameters and the radial velocities and use them to discuss the formation history of the object.

Original language	English (US)
Title of host publication	Exploring the Formation and Evolution of Planetary Systems
Publisher	Cambridge University Press
Pages	241-246
Number of pages	6
Edition	S299
ISBN (Print)	9781107045200
DOIs	https://doi.org/10.1017/S174392131300848X
State	Published - Jun 2013

Publication series

Name	Proceedings of the International Astronomical Union
Number	S299
Volume	8
ISSN (Print)	1743-9213
ISSN (Electronic)	1743-9221

Keywords

Atmosphere
Evolution
Exoplanets: formation
High angular resolution
Instrumentation: adaptive optics
Stars: β Pictoris

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

Access to Document

10.1017/S174392131300848X

Cite this

Bonnefoy, M., Boccaletti, A., Lagrange, A. M., Allard, F., Mordasini, C., Beust, H., Chauvin, G., Girard, J. H. V., Homeier, D., Apai, D., Lacour, S., Rouan, D., Rameau, J., & Klahr, H. (2013). Properties of the young gas giant planet β Pictoris b. In Exploring the Formation and Evolution of Planetary Systems (S299 ed., pp. 241-246). (Proceedings of the International Astronomical Union; Vol. 8, No. S299). Cambridge University Press. https://doi.org/10.1017/S174392131300848X

Properties of the young gas giant planet β Pictoris b. / Bonnefoy, Mickaël; Boccaletti, Anthony; Lagrange, Anne Marie et al.
Exploring the Formation and Evolution of Planetary Systems. S299. ed. Cambridge University Press, 2013. p. 241-246 (Proceedings of the International Astronomical Union; Vol. 8, No. S299).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bonnefoy, M, Boccaletti, A, Lagrange, AM, Allard, F, Mordasini, C, Beust, H, Chauvin, G, Girard, JHV, Homeier, D, Apai, D, Lacour, S, Rouan, D, Rameau, J & Klahr, H 2013, Properties of the young gas giant planet β Pictoris b. in Exploring the Formation and Evolution of Planetary Systems. S299 edn, Proceedings of the International Astronomical Union, no. S299, vol. 8, Cambridge University Press, pp. 241-246. https://doi.org/10.1017/S174392131300848X

@inproceedings{8a26a9c9af3c431cb54133721de3a69d,

title = "Properties of the young gas giant planet β Pictoris b",

abstract = "The young (12+8-4 Myr) and nearby (19.44±0.05 pc) star β Pictoris is considered one of the best laboratories for the study of early phases of planetary systems formation since the identification of an extended debris disk surrounding the star in 1984. In 2009, we imaged at 3.8 μm with NaCo at VLT a gas giant planet around β Pictoris, roughly along the disk mid-plane, with a semi-major axis between 8 and 14 AU. We present here the first images of the planet in the J (1.265 μm), H (1.66 μm), and M' (4.78 μm) bands obtained between 2011 and 2012. We used these data to build the 1-5 μm spectral energy distribution (SED) of the companion, and to consolidate previous semi-major axis (8-10 AU) estimates. We compared the SED to seven atmospheric models to derive Teff = 1700 ± 100 K. We used the temperature and the luminosity of β Pictoris b to estimate new masses for the companion. We compared these masses to independent constraints set by the orbital parameters and the radial velocities and use them to discuss the formation history of the object.",

keywords = "Atmosphere, Evolution, Exoplanets: formation, High angular resolution, Instrumentation: adaptive optics, Stars: β Pictoris",

author = "Micka{\"e}l Bonnefoy and Anthony Boccaletti and Lagrange, {Anne Marie} and France Allard and Christoph Mordasini and Herv{\'e} Beust and Ga{\"e}l Chauvin and Girard, {Julien H.V.} and Derek Homeier and Daniel Apai and Sylvestre Lacour and Daniel Rouan and Julien Rameau and Hubert Klahr",

year = "2013",

month = jun,

doi = "10.1017/S174392131300848X",

language = "English (US)",

isbn = "9781107045200",

series = "Proceedings of the International Astronomical Union",

publisher = "Cambridge University Press",

number = "S299",

pages = "241--246",

booktitle = "Exploring the Formation and Evolution of Planetary Systems",

edition = "S299",

}

TY - GEN

T1 - Properties of the young gas giant planet β Pictoris b

AU - Bonnefoy, Mickaël

AU - Boccaletti, Anthony

AU - Lagrange, Anne Marie

AU - Allard, France

AU - Mordasini, Christoph

AU - Beust, Hervé

AU - Chauvin, Gaël

AU - Girard, Julien H.V.

AU - Homeier, Derek

AU - Apai, Daniel

AU - Lacour, Sylvestre

AU - Rouan, Daniel

AU - Rameau, Julien

AU - Klahr, Hubert

PY - 2013/6

Y1 - 2013/6

N2 - The young (12+8-4 Myr) and nearby (19.44±0.05 pc) star β Pictoris is considered one of the best laboratories for the study of early phases of planetary systems formation since the identification of an extended debris disk surrounding the star in 1984. In 2009, we imaged at 3.8 μm with NaCo at VLT a gas giant planet around β Pictoris, roughly along the disk mid-plane, with a semi-major axis between 8 and 14 AU. We present here the first images of the planet in the J (1.265 μm), H (1.66 μm), and M' (4.78 μm) bands obtained between 2011 and 2012. We used these data to build the 1-5 μm spectral energy distribution (SED) of the companion, and to consolidate previous semi-major axis (8-10 AU) estimates. We compared the SED to seven atmospheric models to derive Teff = 1700 ± 100 K. We used the temperature and the luminosity of β Pictoris b to estimate new masses for the companion. We compared these masses to independent constraints set by the orbital parameters and the radial velocities and use them to discuss the formation history of the object.

AB - The young (12+8-4 Myr) and nearby (19.44±0.05 pc) star β Pictoris is considered one of the best laboratories for the study of early phases of planetary systems formation since the identification of an extended debris disk surrounding the star in 1984. In 2009, we imaged at 3.8 μm with NaCo at VLT a gas giant planet around β Pictoris, roughly along the disk mid-plane, with a semi-major axis between 8 and 14 AU. We present here the first images of the planet in the J (1.265 μm), H (1.66 μm), and M' (4.78 μm) bands obtained between 2011 and 2012. We used these data to build the 1-5 μm spectral energy distribution (SED) of the companion, and to consolidate previous semi-major axis (8-10 AU) estimates. We compared the SED to seven atmospheric models to derive Teff = 1700 ± 100 K. We used the temperature and the luminosity of β Pictoris b to estimate new masses for the companion. We compared these masses to independent constraints set by the orbital parameters and the radial velocities and use them to discuss the formation history of the object.

KW - Atmosphere

KW - Evolution

KW - Exoplanets: formation

KW - High angular resolution

KW - Instrumentation: adaptive optics

KW - Stars: β Pictoris

UR - http://www.scopus.com/inward/record.url?scp=84891886109&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84891886109&partnerID=8YFLogxK

U2 - 10.1017/S174392131300848X

DO - 10.1017/S174392131300848X

M3 - Conference contribution

AN - SCOPUS:84891886109

SN - 9781107045200

T3 - Proceedings of the International Astronomical Union

SP - 241

EP - 246

BT - Exploring the Formation and Evolution of Planetary Systems

PB - Cambridge University Press

ER -

Properties of the young gas giant planet β Pictoris b

Abstract

Publication series

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this