2019A&A...628A..95M


Query : 2019A&A...628A..95M

2019A&A...628A..95M - Astronomy and Astrophysics, volume 628A, 95-95 (2019/8-1)

Observational constraints on dust disk sizes in tidally truncated protoplanetary disks in multiple systems in the Taurus region.

MANARA C.F., TAZZARI M., LONG F., HERCZEG G.J., LODATO G., ROTA A.A., CAZZOLETTI P., VAN DER PLAS G., PINILLA P., DIPIERRO G., EDWARDS S., HARSONO D., JOHNSTONE D., LIU Y., MENARD F., NISINI B., RAGUSA E., BOEHLER Y. and CABRIT S.

Abstract (from CDS):

The impact of stellar multiplicity on the evolution of planet-forming disks is still the subject of debate. Here we present and analyze disk structures around ten multiple stellar systems that were included in an unbiased, high spatial resolution survey performed with ALMA of 32 protoplanetary disks in the Taurus star-forming region. At the unprecedented spatial resolution of ∼0.12'' we detect and spatially resolve the disks around all primary stars, and those around eight secondary and one tertiary star. The dust radii of disks around multiple stellar systems are smaller than those around single stars in the same stellar mass range and in the same region. The disks in multiple stellar systems also show a steeper decay of the millimeter continuum emission at the outer radius than disks around single stars, suggestive of the impact of tidal truncation on the shape of the disks in multiple systems. However, the observed ratio between the dust disk radii and the observed separation of the stars in the multiple systems is consistent with analytic predictions of the effect of tidal truncation only if the eccentricities of the binaries are rather high (typically >0.5) or if the observed dust radii are a factor of two smaller than the gas radii, as is typical for isolated systems. Similar high-resolution studies targeting the gaseous emission from disks in multiple stellar systems are required to resolve this question.

Abstract Copyright: © ESO 2019

Journal keyword(s): protoplanetary disks - binaries: visual - binaries: general - stars: formation - stars: variables: T Tauri, Herbig Ae/Be

Simbad objects: 25

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Number of rows : 25
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 V* T Tau TT* 04 21 59.4319873992 +19 32 06.432393336   11.22 10.12 9.80   K0IV/Ve 1404 1
2 V* DH Tau Or* 04 29 41.5525353432 +26 32 58.126559604 15.14 14.62 13.10 13.01   M1Ve 302 0
3 V* DK Tau A * 04 30 44.2408811328 +26 01 24.734232948           K5Ve 261 0
4 V* DK Tau Or* 04 30 44.243376 +26 01 24.65328 13.32 14.59 13.05 12.08   K7e+K7e 330 0
5 V* DK Tau B * 04 30 44.3938465800 +26 01 23.599254720           K7e 33 0
6 V* HK Tau TT* 04 31 50.5715875272 +24 24 17.775307548 16.81 16.689 15.292     M0.5 340 1
7 V* HK Tau B TT* 04 31 50.6002481212 +24 24 15.502558869           ~ 87 0
8 V* V710 Tau Y*O 04 31 57.79 +18 21 37.9           ~ 160 0
9 V* V710 Tau B TT* 04 31 57.7918661040 +18 21 37.947126420   15.07 13.55 13.98   M0.5/1e 66 0
10 V* V710 Tau A TT* 04 31 57.8028713880 +18 21 34.732161936       13.87   M2/3e 169 0
11 V* UZ Tau Y*O 04 32 42.81 +25 52 31.3           M4Ve+M1/3Ve 310 0
12 V* UZ Tau B TT* 04 32 42.8118779016 +25 52 31.198173600   14.07 12.72 13.35   M1/3Ve 150 0
13 V* UZ Tau A TT* 04 32 43.0720716552 +25 52 31.013712120       13.15   M2.0e+M3.0e 130 0
14 V* HN Tau B TT* 04 33 39.2226918336 +17 51 49.874296644     18.1     M4e 33 0
15 V* HN Tau Or* 04 33 39.3629421552 +17 51 52.289234280   14.76 13.40 13.05   K5e 255 0
16 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4429 0
17 V* UY Aur Or* 04 51 47.3890167432 +30 47 13.551561492 12.82 12.96 11.90 10.59 9.52 M0e+M2.5e 359 0
18 HD 31648 Ae* 04 58 46.2655706952 +29 50 36.987625680 7.84 7.78 7.62 7.76 7.43 A5Vep 521 0
19 IRAS 05022+2527 TT* 05 05 22.8194200200 +25 31 30.819373752   17.71 16.26     M4.6 64 0
20 V* RW Aur A * 05 07 49.4562212112 +30 24 04.774882068           K6 32 0
21 V* RW Aur B ** 05 07 49.5645672912 +30 24 05.131380132           K2 19 0
22 V* RW Aur TT* 05 07 49.5662483 +30 24 05.177426   10.86 9.60 9.95   K1/5e+K5e 781 0
23 HD 100453 Ae* 11 33 05.5766482920 -54 19 28.547100696   8.09 7.79     F1Vn 285 1
24 NAME Upper Sco Association As* 16 12 -23.4           ~ 1369 1
25 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3636 1

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