[en] We present L'-band imaging of the PDS 70 planetary system with Keck/NIRC2 using the new infrared pyramid wave front sensor. We detected both PDS 70 b and c in our images, as well as the front rim of the circumstellar disk. After subtracting off a model of the disk, we measured the astrometry and photometry of both planets. Placing priors based on the dynamics of the system, we estimated PDS 70 b to have a semimajor axis of ${20}_{-4}^{+3}$ au and PDS 70 c to have a semimajor axis of ${34}_{-6}^{+12}$ au (95% credible interval). We fit the spectral energy distribution (SED) of both planets. For PDS 70 b, we were able to place better constraints on the red half of its SED than previous studies and inferred the radius of the photosphere to be 2-3 R[SUB]Jup[/SUB]. The SED of PDS 70 c is less well constrained, with a range of total luminosities spanning an order of magnitude. With our inferred radii and luminosities, we used evolutionary models of accreting protoplanets to derive a mass of PDS 70 b between 2 and 4 M[SUB]Jup[/SUB] and a mean mass accretion rate between 3 × 10[SUP]-7[/SUP] and 8 × 10[SUP]-7[/SUP] M[SUB]Jup[/SUB]/yr. For PDS 70 c, we computed a mass between 1 and 3 M[SUB]Jup[/SUB] and mean mass accretion rate between 1 × 10[SUP]-7[/SUP] and 5 × 10[SUP]-7[/SUP] M[SUB]Jup[/SUB]/yr. The mass accretion rates imply dust accretion timescales short enough to hide strong molecular absorption features in both planets' SEDs.
Research Center/Unit :
STAR - Space sciences, Technologies and Astrophysics Research - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Wang, Jason J.; 51 Pegasi b Fellow. ; Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USA
Ginzburg, Sivan; 51 Pegasi b Fellow. ; Department of Astronomy, University of California at Berkeley, CA 94720, USA
Ren, Bin; Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USA
Wallack, Nicole; Division of Geological & Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA
Gao, Peter; 51 Pegasi b Fellow. ; Department of Astronomy, University of California at Berkeley, CA 94720, USA
Mawet, Dimitri; Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USA ; Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr.,Pasadena, CA 91109, USA
Bond, Charlotte Z.; Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, USA ; W.M. Keck Observatory, 65-1120 Mamalahoa Hwy, Kamuela, HI, USA
Baranec, Christoph; Institute for Astronomy, University of Hawai'i at Mānoa, 640 North A'ohoku Place, Hilo, HI 96720-2700, USA
Choquet, Élodie; Aix Marseille Univ, CNRS, CNES, LAM, Marseille, France
Chun, Mark; Institute for Astronomy, University of Hawai'i at Mānoa, 640 North A'ohoku Place, Hilo, HI 96720-2700, USA
Defrere, Denis ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > PSILab
Delorme, Jacques-Robert; Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USA
Duchêne, Gaspard; Department of Astronomy, University of California at Berkeley, CA 94720, USA ; Université Grenoble-Alpes, CNRS Institut de Planétologie et d'Astrophysique (IPAG), F-38000 Grenoble, France
Forsberg, Pontus; Department of Materials Science and Engineering, Ångström Laboratory, Uppsala University, Box 534, 751 21, Uppsala, Sweden
Ghez, Andrea; Department of Physics & Astronomy, 430 Portola Plaza, University of California, Los Angeles, CA 90095, USA
Guyon, Olivier; Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA ; Steward Observatory, University of Arizona, Tucson, AZ 85721, USA ; Astrobiology Center of NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Hall, Donald N. B.; Institute for Astronomy, University of Hawai'i at Mānoa, 640 North A'ohoku Place, Hilo, HI 96720-2700, USA
Huby, Elsa; LESIA, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, Université de Paris, 5 place Jules Janssen, 92195 Meudon, France
Jolivet, Aïssa ; Université de Liège - ULiège > Département de physique > Optique - Hololab
Jensen-Clem, Rebecca; Department of Astronomy & Astrophysics, University of California, Santa Cruz, CA95064, USA
Jovanovic, Nemanja; Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USA
Karlsson, Mikael; Department of Materials Science and Engineering, Ångström Laboratory, Uppsala University, Box 534, 751 21, Uppsala, Sweden
Matthews, Keith; Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USA
Ménard, François; Université Grenoble-Alpes, CNRS Institut de Planétologie et d'Astrophysique (IPAG), F-38000 Grenoble, France
Meshkat, Tiffany; IPAC, California Institute of Technology, M/C 100-22, 1200 East California Boulevard, Pasadena, CA 91125, USA
Millar-Blanchaer, Maxwell; Department of Astronomy, California Institute of Technology, Pasadena, CA 91125, USA ; Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr.,Pasadena, CA 91109, USA
Ngo, Henry; NRC Herzberg Astronomy and Astrophysics, 5071 West Saanich Road, Victoria, British Columbia, Canada
Orban De Xivry, Gilles ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > PSILab
Pinte, Christophe; Université Grenoble-Alpes, CNRS Institut de Planétologie et d'Astrophysique (IPAG), F-38000 Grenoble, France ; Monash Centre for Astrophysics (MoCA) and School of Physics and Astronomy, Monash University, Clayton Vic 3800, Australia
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Bibliography
Akaike H., Petrov B. N. and Csaki F. 1973 Proc. Second Int. Symp. on Information Theory ed B. N. Petrov and F. Caski (Budapest: Akadémiai Kiadó) 267
Allard F., Homeier D. and Freytag B. 2012 RSPTA 370 2765
Aoyama Y. and Ikoma M. 2019 ApJL 885 L29
Aoyama Y., Ikoma M. and Tanigawa T. 2018 ApJ 866 84
Augereau J. C., Lagrange A. M., Mouillet D. et al 1999 A&A 348 557
Baraffe I., Chabrier G., Barman T. S. et al 2003 A&A 402 701
Barman T. S., Macintosh B., Konopacky Q. M. and Marois C. 2011 ApJ 733 65
Bean J. L. and Seifahrt A. 2009 A&A 496 249
Blunt S., Wang J. J., Angelo I. et al 2020 AJ 159 89
Bodenheimer P. 1974 Icar 23 319
Bond C., Cetre S., Ragland S. et al 2019 Adaptive Optics for Extremely Large Telescopes VI (AO4ELT6) http://ao4elt6.copl.ulaval.ca/proceedings.html
Bond C. Z., Wizinowich P., Chun M. et al 2018 Proc. SPIE 10703 107031Z
Bonnefoy M., Zurlo A., Baudino J. L. et al 2016 A&A 587 A58
Boss A. P. 1998 ApJ 503 923
Burnham K. and Anderson D. 2002 Model Selection and Multimodel Inference: A Practical Information-theoretic Approach 2nd ed. (Berlin: Springer)
Burrows A., Marley M., Hubbard W. B. et al 1997 ApJ 491 856
Choi J., Dotter A., Conroy C. et al 2016 ApJ 823 102
Christiaens V., Cantalloube F., Casassus S. et al 2019a ApJL 877 L33
Christiaens V., Casassus S., Absil O. et al 2019b MNRAS 486 5819
Currie T., Brandt T. D., Uyama T. et al 2018 AJ 156 291
Currie T., Cloutier R., Brittain S. et al 2015 ApJL 814 L27
Cutri R. M. et al 2013 yCat 2328 0
Czekala I., Andrews S. M., Mandel K. S. et al 2015 ApJ 812 128
de Rosa R. J., Rameau J., Patience J. et al 2016 ApJ 824 121
Dempsey J. T., Friberg P., Jenness T. et al 2013 MNRAS 430 2534
Draine B. T. and Lee H. M. 1984 ApJ 285 89
Esposito T. M., Duchêne G., Kalas P. et al 2018 AJ 156 47
Filippazzo J. C., Rice E. L., Faherty J. et al 2015 ApJ 810 158
Follette K. B., Rameau J., Dong R. et al 2017 AJ 153 264
Foreman-Mackey D., Hogg D. W., Lang D. and Goodman J. 2013 PASP 125 306
Fortney J. J., Marley M. S., Hubickyj O. et al 2005 AN 326 925
Fortney J. J., Marley M. S., Saumon D. and Lodders K. 2008 ApJ 683 1104
Freedman R. S., Marley M. S. and Lodders K. 2008 ApJS 174 504
Gaia Collaboration, Brown A. G. A., Vallenari A. et al 2018 A&A 616 A1
Gao P., Marley M. S. and Ackerman A. S. 2018 ApJ 855 86
Ginzburg S. and Chiang E. 2019 MNRAS 490 4334
Greco J. P. and Brandt T. D. 2016 ApJ 833 134
Haffert S. Y., Bohn A. J., de Boer J. et al 2019 NatAs 3 749
Hashimoto J., Aoyama Y., Konishi M. et al 2020 AJ 159 222
Hashimoto J., Dong R., Kudo T. et al 2012 ApJL 758 L19
Hashimoto J., Tsukagoshi T., Brown J. M. et al 2015 ApJ 799 43
Helling C., Dehn M., Woitke P. and Hauschildt P. H. 2008 ApJL 675 L105
Helling C. and Woitke P. 2006 A&A 455 325
Henden A. A., Levine S., Terrell D. and Welch D. L. 2015 AAS Meeting 225 336.16
Huby E., Bottom M., Femenia B. et al 2017 A&A 600 A46
Isella A., Benisty M., Teague R. et al 2019 ApJL 879 L25
Keppler M., Benisty M., Müller A. et al 2018 A&A 617 A44
Keppler M., Teague R., Bae J. et al 2019 A&A 625 A118
Kraus A. L. and Ireland M. J. 2012 ApJ 745 5
Li A. and Greenberg J. M. 1998 A&A 331 291
Liu M. C. 2004 Sci 305 1442
Liu M. C., Dupuy T. J. and Allers K. N. 2016 ApJ 833 96
Liu M. C., Magnier E. A., Deacon N. R. et al 2013 ApJL 777 L20
Marley M. S., Fortney J. J., Hubickyj O. et al 2007 ApJ 655 541
Marley M. S., Saumon D., Cushing M. et al 2012 ApJ 754 135
Marley M. S., Saumon D. and Goldblatt C. 2010 ApJL 723 L117
Marocco F., Day-Jones A. C., Lucas P. W. et al 2014 MNRAS 439 372
Marois C., Lafrenière D., Doyon R. et al 2006 ApJ 641 556
Mathis J. S. 1990 ARA&A 28 37
Mendigutía I., Oudmaijer R. D., Schneider P. C. et al 2018 A&A 618 L9
Mesa D., Keppler M., Cantalloube F. et al 2019 A&A 632 A25
Mie G. 1908 AnP 330 377
Mordasini C. 2014 A&A 572 A118
Mordasini C., Marleau G. D. and Mollière P. 2017 A&A 608 A72
Moses J. I., Marley M. S., Zahnle K. et al 2016 ApJ 829 66
Movshovitz N., Bodenheimer P., Podolak M. and Lissauer J. J. 2010 Icar 209 616
Müller A., Keppler M., Henning T. et al 2018 A&A 617 L2
Natta A., Testi L., Muzerolle J. et al 2004 A&A 424 603
Nielsen E. L., de Rosa R. J., Rameau J. et al 2017 AJ 154 218
Ormel C. W. 2014 ApJL 789 L18
Pecaut M. J. and Mamajek E. E. 2016 MNRAS 461 794
Pinte C., Harries T. J., Min M. et al 2009 A&A 498 967
Pinte C., Ménard F., Duchêne G. and Bastien P. 2006 A&A 459 797
Piso A.-M. A. and Youdin A. N. 2014 ApJ 786 21
Piso A.-M. A., Youdin A. N. and Murray-Clay R. A. 2015 ApJ 800 82
Pollack J. B., Hubickyj O., Bodenheimer P. et al 1996 Icar 124 62
Pueyo L. 2016 ApJ 824 117
Quanz S. P., Amara A., Meyer M. R. et al 2013 ApJL 766 L1
Rajan A., Rameau J., de Rosa R. J. et al 2017 AJ 154 10
Rameau J., Follette K. B., Pueyo L. et al 2017 AJ 153 244
Ren B., Choquet É, Perrin M. D. et al 2019 ApJ 882 64
Rigliaco E., Natta A., Testi L. et al 2012 A&A 548 A56
Rouleau F. and Martin P. G. 1991 ApJ 377 526
Ruane G., Ngo H., Mawet D. et al 2019 AJ 157 118
Sallum S., Follette K. B., Eisner J. A. et al 2015 Natur 527 342
Samland M., Mollière P., Bonnefoy M. et al 2017 A&A 603 A57
Serabyn E., Huby E., Matthews K. et al 2017 AJ 153 43
Service M., Lu J. R., Campbell R. et al 2016 PASP 128 095004
Skrutskie M. F., Cutri R. M., Stiening R. et al 2006 AJ 131 1163
Soummer R., Pueyo L. and Larkin J. 2012 ApJL 755 L28
Stephens D. C., Leggett S. K., Cushing M. C. et al 2009 ApJ 702 154
Szulágyi J., Dullemond C. P., Pohl A. and Quanz S. P. 2019 MNRAS 487 1248
Tanigawa T. and Tanaka H. 2016 ApJ 823 48
Thalmann C., Mulders G. D., Janson M. et al 2015 ApJL 808 L41
Thanathibodee T., Calvet N., Bae J. et al 2019 ApJ 885 94
Vargas Catalán E., Huby E., Forsberg P. et al 2016 A&A 595 A127
Vousden W. D., Farr W. M. and Mandel I. 2016 MNRAS 455 1919
Wagner K., Follete K. B., Close L. M. et al 2018 ApJL 863 L8
Wang J. J., Graham J. R., Dawson R. et al 2018 AJ 156 192
Wang J. J., Ruffio J.-B., de Rosa R. J. et al 2015 pyKLIP: PSF Subtraction for Exoplanets and Disks, Astrophysics Source Code Library ascl:1506.001
Woitke P. and Helling C. 2003 A&A 399 297
Woitke P. and Helling C. 2004 A&A 414 335
Xuan W. J., Mawet D., Ngo H. et al 2018 AJ 156 156
Zhu Z. 2015 ApJ 799 16
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