2017ApJ...851...56W


Query : 2017ApJ...851...56W

2017ApJ...851...56W - Astrophys. J., 851, 56-56 (2017/December-2)

Hubble Space Telescope scattered-light imaging and modeling of the edge-on protoplanetary disk ESO-Hα 569.

WOLFF S.G., PERRIN M.D., STAPELFELDT K., DUCHENE G., MENARD F., PADGETT D., PINTE C., PUEYO L. and FISCHER W.J.

Abstract (from CDS):

We present new Hubble Space Telescope (HST) Advanced Camera for Surveys observations and detailed models for a recently discovered edge-on protoplanetary disk around ESO-Hα 569 (a low-mass T Tauri star in the Cha I star-forming region). Using radiative transfer models, we probe the distribution of the grains and overall shape of the disk (inclination, scale height, dust mass, flaring exponent, and surface/volume density exponent) by model fitting to multiwavelength (F606W and F814W) HST observations together with a literature-compiled spectral energy distribution. A new tool set was developed for finding optimal fits of MCFOST radiative transfer models using the MCMC code emcee to efficiently explore the high-dimensional parameter space. It is able to self-consistently and simultaneously fit a wide variety of observables in order to place constraints on the physical properties of a given disk, while also rigorously assessing the uncertainties in those derived properties. We confirm that ESO-Hα 569 is an optically thick nearly edge-on protoplanetary disk. The shape of the disk is well-described by a flared disk model with an exponentially tapered outer edge, consistent with models previously advocated on theoretical grounds and supported by millimeter interferometry. The scattered-light images and spectral energy distribution are best fit by an unusually high total disk mass (gas+dust assuming a ratio of 100:1) with a disk-to-star mass ratio of 0.16.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): protoplanetary disks - radiative transfer - radiative transfer

Simbad objects: 19

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Number of rows : 19
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 IRAS 04158+2805 Y*O 04 18 58.1336295120 +28 12 23.355499140           M5.25 93 0
2 V* DG Tau Or* 04 27 04.6921275888 +26 06 16.060169268 13.57 13.97 10.50 12.28   K6Ve 989 1
3 V* V1213 Tau Or* 04 31 37.5055489536 +18 12 24.383952396           K7 545 0
4 V* HK Tau B TT* 04 31 50.6002481212 +24 24 15.502558869           ~ 76 0
5 V* HV Tau C TT* 04 38 35.5125950280 +26 10 41.316576204         14.90 K6 92 0
6 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4009 0
7 V* GM Aur Or* 04 55 10.9815576936 +30 21 59.373771876 14.59 13.351 12.242 11.798   K3Ve 624 0
8 IRAS 11030-7702 TT* 11 04 22.7159038128 -77 18 08.299910700     17.89     K6/M0e 47 0
9 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1076 1
10 WISE J110819.15-773152.6 Y*O 11 08 19.2633810720 -77 31 52.221531756       22.04 19.64 M4.75 8 0
11 2MASS J11095262-7740348 Y*? 11 09 52.5595099848 -77 40 34.967644824     21.47     M3e 14 0
12 V* HY Cha Or* 11 09 54.3714582264 -76 31 11.437434660     21.6   17.27 M1.75e 26 0
13 HH 919 HH 11 11 06.0 -76 42 12           ~ 3 0
14 ESO-HA 569 Y*O 11 11 10.6899611256 -76 41 57.345117072     20.28   17.34 M2.5 26 0
15 2MASS J11160287-7624533 Y*O 11 16 02.8655829624 -76 24 53.197151184     19.60   17.25 K7-M0 22 0
16 NAME Chamaeleon Region SFR 11 55 -78.0           ~ 751 0
17 V* T Cha Or* 11 57 13.5245085552 -79 21 31.530508884   10.00 11.86     K0e 256 1
18 NAME Upper Sco Association As* 16 12 -23.4           ~ 1216 1
19 HD 163296 Ae* 17 56 21.2881851168 -21 57 21.871819008 7.00 6.93 6.85 6.86 6.67 A1Vep 976 0

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2022.09.26-08:08:19

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