2014A&A...570A..29B


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.10CEST01:41:28

2014A&A...570A..29B - Astronomy and Astrophysics, volume 570A, 29-29 (2014/10-1)

The Taurus Boundary of Stellar/Substellar (TBOSS) Survey. I. Far-IR disk emission measured with Herschel.

BULGER J., PATIENCE J., WARD-DUONG K., PINTE C., BOUY H., MENARD F. and MONIN J.-L.

Abstract (from CDS):

With the PACS instrument on Herschel, 134 low mass members of the Taurus star-forming region spanning the M4-L0 spectral type range and covering the transition from low mass stars to brown dwarfs were observed. Combining the new Herschel results with other Herschel programs, a total of 150 of the 154 M4-L0 Taurus members have observations, and we have added an additional 3 targets from Spitzer to form the 153-object TBOSS (Taurus Boundary of Stellar/Substellar) sample, a 99% complete study. Among the 150 targets, 70µm flux densities were measured for 7 of the 7 Class I objects, 48 of the 67 Class II objects, and 3 of the 76 Class III objects. For the detected Class II objects, the median 70µm flux density level declines with spectral type; however, the distribution of excess relative to central object flux density does not change across the stellar/substellar boundary in the M4-L0 range. Connecting the 70µm TBOSS values with the results from K0-M3 Class II members results in the first comprehensive census of far-IR emission across the full mass spectrum of the stellar and substellar population of a star-forming region, and the median flux density declines with spectral type in a trend analogous to the flux density decline expected for the central objects. Spectral energy distributions (SEDs) were constructed for all TBOSS targets covering the optical to far-IR range and extending to the submm/mm for a subset of sources with longer wavelength data. Based on an initial exploration of the impact of different physical parameters on the Herschel flux densities, geometrical factors such as inclination and structural parameters such as scale height and flaring have the largest influence on the flux densities in the PACS bands. From the 24µm to 70µm spectral index of the SEDs, 5 new candidate transition disks were identified. Considering the previously known and new candidate transition disks, the spectral indices over longer wavelengths (≥70µm) are not distinct from those of the full Class II population, suggesting that the outer regions of the transition disks are similar to Class II disks. The steep 24µm to 70µm slope for a subset of 8 TBOSS targets may be an indication of truncated disks in these systems, however additional measurements are required to establish the outer radii of these disks conclusively. From existing high angular resolution companion search observations, two examples of mixed pair systems that include secondaries with disks were measured in the Herschel data. Finally, comparing the TBOSS results with a Herschel study of Ophiuchus brown dwarfs reveals a lower fraction of disks around the Taurus substellar population with flux densities comparable to the Ophiuchus disks.

Abstract Copyright:

Journal keyword(s): brown dwarfs - stars: pre-main sequence - protoplanetary disks

VizieR on-line data: <Available at CDS (J/A+A/570/A29): table1.dat table2.dat table4.dat table5.dat tablea1.dat tablea2.dat tablea3.dat tablea4.dat refs.dat>

Simbad objects: 166

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Number of rows : 166

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 IC 348 OpC 03 44 34 +32 09.8           ~ 1227 1
2 2MASS J04034997+2620382 Y*O 04 03 49.9804621990 +26 20 38.212411926           M6.3 16 0
3 V* V1095 Tau TT* 04 13 14.1550545701 +28 19 10.670834057   15.32 13.81 13.62   M4 96 0
4 2MASS J04141188+2811535 Y*O 04 14 11.8823284464 +28 11 53.410193839 18.72         M6e 47 0
5 HD 283447 Or* 04 14 12.9232870093 +28 12 12.378540314 13.17 12.07 10.68 9.45 8.67 K3Ve 380 0
6 V* FN Tau Or* 04 14 14.5943659839 +28 27 58.063377983     14.70 13.68   M5 141 0
7 [BCG93] 1 TT* 04 14 17.6094853639 +28 06 09.650035718 18.04         M4.5 73 0
8 V* FP Tau Or* 04 14 47.3027404423 +26 46 26.414740336 17.21 16.14 15.02     M4Ve 142 0
9 2MASS J04144739+2803055 TT* 04 14 47.3957737522 +28 03 05.520023676           M5.2 18 0
10 [BCG93] 2 TT* 04 15 05.1566689290 +28 08 46.055640665           M5.5 40 0
11 [BLH2002] KPNO-Tau 1 BD* 04 15 14.7224038902 +28 00 09.386264531     24.063     M8.5Ve 37 0
12 2MASS J04152409+2910434 TT* 04 15 24.1017606897 +29 10 43.514652084           M7 20 0
13 2MASS J04155799+2746175 TT* 04 15 58.0007626956 +27 46 17.335519842           M5.2 24 0
14 2MASS J04161210+2756385 Y*O 04 16 12.1078014228 +27 56 38.490676886           M5e 26 0
15 2MASS J04161885+2752155 TT* 04 16 18.8592740928 +27 52 15.375920546           M8.0 21 0
16 2MASS J04162725+2053091 TT* 04 16 27.2443046456 +20 53 09.244527467   18.6   16.8 14.9 M5 22 0
17 2MASS J04163048+3037053 Y*O 04 16 30.4843806967 +30 37 05.306271580           M4.5e 14 0
18 2MASS J04163911+2858491 TT* 04 16 39.1285707950 +28 58 49.312410914           M7.3 25 0
19 [BLH2002] KPNO-Tau 10 Y*O 04 17 49.5566788466 +28 13 31.770397307     17.8     M5Ve 36 0
20 IRAS F04147+2822 TT* 04 17 49.6578079496 +28 29 36.325239443           M3.7 62 0
21 [SS94] V410 X-ray 3 TT* 04 18 07.9726935315 +28 26 03.673508581     18.319     M6 63 0
22 2MASS J04181710+2828419 TT* 04 18 17.1091861192 +28 28 41.921033525     22.175     M6.4 74 0
23 [BLH2002] KPNO-Tau 11 TT* 04 18 30.3021433493 +27 43 20.649706760           M5.5Ve 31 0
24 2MASS J04184023+2824245 TT* 04 18 40.2358778388 +28 24 24.075268613           ~ 30 0
25 [BLH2002] KPNO-Tau 2 BD* 04 18 51.1522243376 +28 14 33.296824693     21.376     M7.5Ve 38 0
26 IRAS 04158+2805 Y*O 04 18 58.1407377664 +28 12 23.347645825           M5.25 88 0
27 2MASS J04190110+2819420 TT* 04 19 01.1041061433 +28 19 42.084605479           M5.9 54 0
28 [BLH2002] KPNO-Tau 12 Y*O 04 19 01.2808784328 +28 02 48.145982297     23.228     M9Ve 48 0
29 2MASS J04190197+2822332 TT* 04 19 01.9773489612 +28 22 33.268594450           M5.5 37 0
30 V* FR Tau Or* 04 19 35.4554578118 +28 27 21.884434456       16.22   M5.3 46 0
31 2MASS J04194657+2712552 Y*O 04 19 46.57464 +27 12 55.2096           M7.5 19 0
32 2MASS J04201611+2821325 Y*O 04 20 16.1148199241 +28 21 32.516002397           M8.3 22 0
33 2MASS J04202555+2700355 Y*O 04 20 25.5568397008 +27 00 35.548947507           M5e 25 0
34 IRAS 04173+2812 Y*O 04 20 25.8347704556 +28 19 23.808836572           M4 22 0
35 USNO-B1.0 1172-00072216 TT* 04 20 39.1897448659 +27 17 31.780775140           M4.5V 21 0
36 Cl* Melotte 25 LH 206 TT* 04 20 52.7379320789 +17 46 41.548103310   18.14 16.47     M4.6 30 0
37 [MDM2001] CFHT-BD-Tau 19 Y*O 04 21 07.9716728277 +27 02 20.095089359           M5IVe 32 0
38 2MASS J04210934+2750368 Y*O 04 21 09.339192 +27 50 36.35916           M4 18 0
39 2MASS J04213459+2701388 Y*O 04 21 34.5936907712 +27 01 38.717671105           M5.5e 28 0
40 2MASS J04214013+2814224 Y*O 04 21 40.1446982529 +28 14 22.563973161           ~ 16 0
41 [MDM2001] CFHT-BD-Tau 10 BD* 04 21 46.3104454321 +26 59 29.396088687           M6IVe 27 0
42 2MASS J04215450+2652315 TT* 04 21 54.5256903324 +26 52 31.353073628           M8.5 26 0
43 2MASS J04220007+1530248 Y*O 04 22 00.07560 +15 30 24.8472           ~ 11 0
44 IRAS 04191+1523 Y*O 04 22 00.43944 +15 30 21.2148           ~ 184 0
45 2MASS J04221332+1934392 TT* 04 22 13.3188304814 +19 34 39.263053602           M8.5 24 0
46 2MASS J04221644+2549118 BD* 04 22 16.4374053783 +25 49 11.813862323           M8IVe 21 0
47 2MASS J04222404+2646258 Y*O 04 22 24.0464274687 +26 46 25.962577924           ~ 19 0
48 2MASS J04230607+2801194 Y*O 04 23 06.0802612915 +28 01 19.554193348           M6 25 0
49 V* FU Tau Or* 04 23 35.3912144972 +25 03 02.741853087           M7.25 56 0
50 V* FU Tau B BD* 04 23 35.73792 +25 02 59.6328       22.16 19.11 L0.3 30 0
51 2MASS J04242090+2630511 Y*O 04 24 20.8977757596 +26 30 51.064923798           M6.5 24 0
52 [MDM2001] CFHT-BD-Tau 9 BD* 04 24 26.4612148911 +26 49 50.250899575         15.35 M6IVe 31 0
53 2MASS J04244506+2701447 TT* 04 24 45.0653700817 +27 01 44.771273395     16.24     M5e 27 0
54 2MASS J04251550+2829275 Y*O 04 25 15.5093281503 +28 29 27.538984674           M7 9 0
55 [BLH2002] KPNO-Tau 3 BD* 04 26 29.3901723833 +26 24 13.722007135     20.239     M6Ve 43 0
56 2MASS J04263055+2443558 BD* 04 26 30.5575174268 +24 43 55.835559684           L0.6 23 0
57 [BLH2002] KPNO-Tau 13 TT* 04 26 57.3162958061 +26 06 28.340060968           M5Ve 34 0
58 2MASS J04270739+2215037 pr* 04 27 07.4040234806 +22 15 03.756285211       17.7 15.4 M6.75 17 0
59 [BLH2002] KPNO-Tau 4 BD* 04 27 27.9997171623 +26 12 05.097974406     24.722 20.54 18.75 L0 65 0
60 2MASS J04274538+2357243 BD* 04 27 45.3878215999 +23 57 24.417294735         17.94 M8IVe 25 0
61 IRAS 04248+2612 Y*O 04 27 57.30696 +26 19 18.3036           M 143 0
62 WISE J042838.78+265134.6 Y*O 04 28 38.78544 +26 51 34.6824           ~ 42 0
63 LDN 1521F DNe 04 28 39.3 +26 51 43           ~ 183 1
64 2MASS J04284263+2714039 Y*O 04 28 42.63480 +27 14 03.9084           M5e 28 0
65 2MASS J04290068+2755033 TT* 04 29 00.6843498970 +27 55 03.298881009           M8.8 28 0
66 [HJS91] 507 TT* 04 29 20.7028522671 +26 33 40.435127204 17.35   14.58     M4 36 0
67 IRAS F04262+2654 Y*O 04 29 21.6613024117 +27 01 25.528751719           M5.9 38 0
68 V* FW Tau Or* 04 29 29.703744 +26 16 53.06412       15.85   M5.5 116 0
69 [BLH2002] KPNO-Tau 5 BD* 04 29 45.6733565875 +26 30 46.559502443     19.690 19.10 15.08 M7.5Ve 47 0
70 2MASS J04295422+1754041 TT* 04 29 54.2253182308 +17 54 03.880323145           M4 15 0
71 2MASS J04295950+2433078 TT* 04 29 59.5081451509 +24 33 07.687799554     16.31 17.9 15.7 M5.5 39 0
72 [BLH2002] KPNO-Tau 6 BD* 04 30 07.2484355471 +26 08 20.698295788     22.292 20.56 17.90 M8.5Ve 50 0
73 2MASS J04302365+2359129 BD* 04 30 23.6516358028 +23 59 12.991548656         17.91 M9.9 27 0
74 NAME ZZ Tau IRS TT* 04 30 51.7198337523 +24 41 47.604184059     17.1     M5IVe 39 0
75 [BLH2002] KPNO-Tau 7 BD* 04 30 57.2037457394 +25 56 39.560007407     22.068   17.16 M8Ve 46 0
76 VSS XI-2 TT* 04 31 15.7846772782 +18 20 07.068277320     15.72     M4.25 39 0
77 2MASS J04311907+2335047 TT* 04 31 19.0749924642 +23 35 04.799712711       20.3 17.5 M8 24 0
78 EM* LkHA 331 TT* 04 31 23.814648 +24 10 52.98312   16.30 14.73 14.98   M4.5V 95 0
79 2MASS J04312405+1800215 TT* 04 31 24.0575671088 +18 00 21.455153686   20.38 18.678   14.32 M7 64 0
80 2MASS J04312669+2703188 BD* 04 31 26.6898772881 +27 03 18.809763277         17.90 M7IVe 25 0
81 EM* LkHA 358 TT* 04 31 36.1396524070 +18 13 43.176961457     19.0     M0.9 87 0
82 2MASS J04315844+2543299 TT* 04 31 58.4512764298 +25 43 30.018429763     15.96     M4.9 35 0
83 2MASS J04320329+2528078 TT* 04 32 03.2929760993 +25 28 07.783546888           M7.6 23 0
84 2MASS J04321606+1812464 TT* 04 32 16.0655428266 +18 12 46.383508261   19.20 17.595     M6.5 71 0
85 2MASS J04321786+2422149 TT* 04 32 17.8722821712 +24 22 14.906649942     18.2 16.63 14.12 M6.5 36 0
86 2MASS J04322210+1827426 TT* 04 32 22.1106070891 +18 27 42.648224021           M5.0 37 0
87 2MASS J04322329+2403013 TT* 04 32 23.3105661797 +24 03 01.465743295           M8.9 24 0
88 2MASS J04322415+2251083 Y*O 04 32 24.1578864585 +22 51 08.315029052           M4.5 20 0
89 2MASS J04322627+1827521 TT* 04 32 26.2778233566 +18 27 52.149741588           M5.3 27 0
90 [RRN96] GG Tau B * 04 32 30.2772495129 +17 31 30.448743263           M6 45 1
91 [RRN96] GG Tau Bb TT* 04 32 30.28224 +17 31 30.3024           M6+M7.5 76 1
92 V* GG Tau Or* 04 32 30.3318954228 +17 31 40.834888327 14.84 14.78 13.40 11.54   M0e+M2.0e 647 1
93 [RRN96] GG Tau b * 04 32 30.3478536425 +17 31 29.403551877           M7.5 24 1
94 JH 112 TT* 04 32 49.1170509526 +22 53 02.847321133 18.81 16.7 15.54 14.60   K5.5 57 0
95 2MASS J04324938+2253082 TT* 04 32 49.3782017759 +22 53 08.200868010           M4.6 19 0
96 2MASS J04325026+2422115 BD* 04 32 50.2665216453 +24 22 11.670257724         18.79 M7.5 30 0
97 2MASS J04325119+1730092 Y*O 04 32 51.2023156073 +17 30 09.218423762     22.58     M9 25 0
98 2MASS J04330197+2421000 TT* 04 33 01.9723467772 +24 21 00.071577295     17.951     M7.1 34 0
99 [BLH2002] KPNO-Tau 14 Y*O 04 33 07.8106353614 +26 16 06.562720873     20.735     M6Ve 31 0
100 2MASS J04330945+2246487 BD* 04 33 09.4629919840 +22 46 48.623660040         16.26 M7.0 32 0
101 2MASS J04332621+2245293 Y*O 04 33 26.2194659501 +22 45 29.261293460           ~ 19 0
102 Cl* Melotte 25 LH 48 Y*O 04 33 41.7272738400 +17 50 40.140884516   18.09 16.33 16.51   M5.1 18 0
103 2MASS J04334291+2526470 BD* 04 33 42.9227698549 +25 26 46.843807910           L0.1 24 0
104 2MASS J04334465+2615005 TT* 04 33 44.6603141468 +26 15 00.429276341           M5.2 26 0
105 2MASS J04335245+2612548 Y*O 04 33 52.4693431346 +26 12 54.503198748           M8.5 21 0
106 2MASS J04335252+2256269 TT* 04 33 52.52256 +22 56 26.9052 19.12         M5.5 19 0
107 2MASS J04341527+2250309 Y*O 04 34 15.2773856137 +22 50 30.804533445     23.427     M7 41 0
108 2MASS J04344544+2308027 pr* 04 34 45.4450303959 +23 08 02.676900439   20.2   18.2 16.0 M5.25 17 0
109 2MASS J04350850+2311398 BD* 04 35 08.5146057314 +23 11 39.891959581     18.4   14.88 M7IVe 26 0
110 [HCA99] C Y*O 04 35 35.36184 +24 08 26.6280           ~ 17 0
111 IRAS 04325+2402 Y*O 04 35 35.39160 +24 08 19.4244           ~ 150 0
112 [BLH2002] KPNO-Tau 8 Y*O 04 35 41.8388746981 +22 34 11.595178814 20.64   19.261     M6Ve 35 0
113 2MASS J04354203+2252226 Y*O 04 35 42.0358847234 +22 52 22.612316901           ~ 21 0
114 2MASS J04354526+2737130 BD* 04 35 45.2742517434 +27 37 13.118928456           L0.9 22 0
115 [BLH2002] KPNO-Tau 9 BD* 04 35 51.4277984148 +22 49 11.868048124     24.918   18.76 M8.5V 38 0
116 2MASS J04355209+2255039 Y*O 04 35 52.0934845554 +22 55 03.999241281           ~ 20 0
117 2MASS J04355286+2250585 Y*O 04 35 52.8675537778 +22 50 58.509168770 20.06         ~ 19 0
118 2MASS J04355760+2253574 Y*O 04 35 57.6241233936 +22 53 57.166217036           M5IVe 13 0
119 2MASS J04361030+2159364 TT* 04 36 10.3043328287 +21 59 36.475545597           M8.5 22 0
120 2MASS J04361038+2259560 BD* 04 36 10.3838421343 +22 59 56.003013804     22.520   16.81 M8Ve 46 0
121 2MASS J04362151+2351165 TT* 04 36 21.5141674244 +23 51 16.628935305           M5.25 18 0
122 2MASS J04363893+2258119 BD* 04 36 38.9288541165 +22 58 11.845890661     21.654   16.88 M7.75 45 0
123 2MASS J04373705+2331080 BD* 04 37 37.05048 +23 31 08.0688           L1.5 18 0
124 ITG 2 Y*O 04 38 00.8675100119 +25 58 57.275767004       20.21 14.71 M7e 31 0
125 ITG 3 Y*O 04 38 14.8833303682 +26 11 39.971794234       20.33 17.84 M7e 51 0
126 2MASS J04381630+2326402 pr* 04 38 16.2959142741 +23 26 40.247744289   17.7   16.2 14.3 M4.75 13 0
127 V* GM Tau Or* 04 38 21.3390129259 +26 09 13.784439336     17.577   15.04 M6.5 91 0
128 2MASS J04385859+2336351 pr* 04 38 58.6016354598 +23 36 35.152047782   18.4   16.8 14.3 M4.25 22 0
129 2MASS J04385871+2323595 pr* 04 38 58.7152023037 +23 23 59.475685114   19.1   17.5 15.3 M6.5 16 0
130 2MASS J04390163+2336029 TT* 04 39 01.6333473875 +23 36 02.959278320   16.7   15.2 12.8 M6 32 0
131 2MASS J04390396+2544264 BD* 04 39 03.9603916514 +25 44 26.337817736       18.40 15.40 M7IVe 51 0
132 2MASS J04390637+2334179 pr* 04 39 06.3785695449 +23 34 17.924677413   19.0   17.3 14.6 M7.5 19 0
133 2MASS J04393364+2359212 Y*O 04 39 33.6410819194 +23 59 21.219288849           M5 22 0
134 IRAS F04366+2555 TT* 04 39 44.8805264309 +26 01 52.708767835           M5 27 0
135 ITG 17 Y*O 04 39 47.4820305505 +26 01 40.693626234     21.556   15.78 M7 85 0
136 2MASS J04400067+2358211 Y*O 04 40 00.6707992029 +23 58 21.084521376           M6 25 0
137 ITG 21 Y*O 04 40 01.74504 +25 56 29.2272           M6IVe 27 0
138 2MASS J04403979+2519061 Y*O 04 40 39.7866478727 +25 19 06.166523054           M5e 27 0
139 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 3479 0
140 Haro 6-32 TT* 04 41 04.2538699152 +25 57 55.716168108           M5e 39 0
141 ITG 34 Y*O 04 41 10.7863139705 +25 55 11.540472769       19.28 16.43 M5.5e 37 0
142 2MASS J04414489+2301513 LM* 04 41 44.8958526354 +23 01 51.407921287       20.6   M8.7 54 1
143 2MASS J04414565+2301580 TT* 04 41 45.6493974957 +23 01 58.016822466   16.67 15.20 14.87   M4.3 28 1
144 2MASS J04414825+2534304 BD* 04 41 48.2522895943 +25 34 30.569106360         17.03 M8e 47 0
145 2MASS J04422101+2520343 TT* 04 42 21.0213244177 +25 20 34.300467111 18.67         M5.1 45 0
146 Haro 6-36 TT* 04 43 20.2256964418 +29 40 06.053179629           M5.5 38 0
147 IRAS S04414+2506 BD* 04 44 27.1421731772 +25 12 16.439761677           M7e 62 0
148 2MASS J04464260+2459034 TT* 04 46 42.6205354875 +24 59 03.304377140           M5.5 23 0
149 2MASS J04484189+1703374 TT* 04 48 41.8927784877 +17 03 37.254367108           M7.8 17 0
150 IRAS 04489+3042 Y*O 04 52 06.6859847880 +30 47 17.016855701           M2 62 0
151 2MASS J04552333+3027366 BD* 04 55 23.3302505842 +30 27 36.538498322           M6e 25 0
152 2MASS J04554046+3039057 Y*O 04 55 40.4630844567 +30 39 05.616572125           M5e 21 0
153 2MASS J04554535+3019389 TT* 04 55 45.3525363022 +30 19 38.861271006           M5e 24 0
154 2MASS J04554757+3028077 TT* 04 55 47.5774465268 +30 28 07.563998959           M5e 30 0
155 2MASS J04554801+3028050 Y*O 04 55 48.0219978654 +30 28 04.835729170           M5.5e 22 0
156 2MASS J04554820+3030160 Y*O 04 55 48.2029119174 +30 30 15.933175155           ~ 16 0
157 2MASS J04554969+3019400 Y*O 04 55 49.7005840969 +30 19 39.990267227           M6e 21 0
158 2MASS J04555288+3006523 Y*O 04 55 52.8963159285 +30 06 52.222859715           M5e 20 0
159 2MASS J04555605+3036209 TT* 04 55 56.0661543354 +30 36 20.447548655   16.6       M4.0 25 0
160 2MASS J04555636+3049374 Y*O 04 55 56.3658931689 +30 49 37.427515861           M5e 17 0
161 2MASS J04574903+3015195 Y*O 04 57 49.0192539270 +30 15 19.142767817           M9 24 0
162 2MASS J05061674+2446102 TT* 05 06 16.7521509473 +24 46 10.158429144           M3/5e 27 0
163 2MASS J05064662+2104296 TT* 05 06 46.6272611026 +21 04 29.648198326   18.1   16.5 14.6 M5.25 17 0
164 2MASS J05075496+2500156 TT* 05 07 54.9656053105 +25 00 15.599361879           M3.7 38 0
165 V* ET Cha Or* 08 43 18.5820197784 -79 05 18.203801931     13.97     M2 68 0
166 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3027 0

    Equat.    Gal    SGal    Ecl

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2020.07.10-01:41:28

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