2010ApJS..188...75M


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.19CEST18:07:40

2010ApJS..188...75M - Astrophys. J., Suppl. Ser., 188, 75-122 (2010/May-0)

The evolutionary state of the pre-main sequence population in Ophiuchus: a large infrared spectrograph survey.

McCLURE M.K., FURLAN E., MANOJ P., LUHMAN K.L., WATSON D.M., FORREST W.J., ESPAILLAT C., CALVET N., D'ALESSIO P., SARGENT B., TOBIN J.J. and CHIANG H.-F.

Abstract (from CDS):

Variations in molecular cloud environments have the potential to affect the composition and structure of the circumstellar disks therein. To this end, comparative analyses of nearby star-forming regions are essential to informing theoretical work. In particular, the Ophiuchus molecular clouds are ideal for comparison as they are more compact with much higher extinction than Taurus, the low-mass exemplar, and experience a moderate amount of external radiation. We have carried out a study of a collection of 136 young stellar objects in the <1 Myr old Ophiuchus star-forming region, featuring Spitzer Infrared Spectrograph spectra from 5 to 36 µm, supplemented with photometry from 0.3 µm to 1.3 mm. By classifying these objects using the McClure new molecular cloud extinction law to establish an extinction-independent index, we arrive at a ∼10% embedded objects fraction, producing an embedded lifetime of 0.2 Myr, similar to that in Taurus. We analyze the degree of dust sedimentation and dust grain processing in the disks, finding that the disks are highly settled with signs of significant dust processing even at ∼0.3 Myr. Finally, we discuss the wealth of evidence for radial gap structures which could be evidence for disk-planet interactions and explore the effects of stellar multiplicity on the degree of settling and radial structure.

Abstract Copyright:

Journal keyword(s): infrared: stars - open clusters and associations: individual: rho Ophiuchi - stars: pre-main sequence

Simbad objects: 167

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Number of rows : 167

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 V* DG Tau Or* 04 27 04.6913654419 +26 06 16.041555299 13.57 13.97 10.50 12.28   K6Ve 935 1
2 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1226 0
3 V* UX Tau A TT* 04 30 03.9931880444 +18 13 49.476948664   12.92 11.15     K2Ve 328 0
4 V* UX Tau Or* 04 30 03.99626 +18 13 49.4355 11.23 11.84 10.80 9.83 9.05 K2Ve+M1Ve 315 0
5 EM* LkCa 15 Or* 04 39 17.7912813350 +22 21 03.387667491   13.01 12.03 11.61   K5:Ve 559 1
6 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 3542 0
7 CoKu Tau-Aur Star 4 TT* 04 41 16.8106225314 +28 40 00.077173462   16.40 14.68 14.59   M1.5e 166 0
8 V* DP Tau Or* 04 42 37.6996387891 +25 15 36.992730557 15.84 15.2 13.70 14.42   M0.8 154 1
9 V* DR Tau Or* 04 47 06.2152696011 +16 58 42.814250257 12.03 11.86 10.50 12.19   K5Ve 472 0
10 NAME Cha I MoC 11 06 48 -77 18.0           ~ 985 1
11 NAME Chamaeleon Region SFR 11 55 -78.0           ~ 694 0
12 NAME ASSOC II SCO As* 16 15 -24.2           ~ 1140 1
13 V* VV Sco Or* 16 15 34.56528 -22 42 42.1092     12.684   10.660 K5Ve+M0Ve 47 0
14 CD-23 12840B pr* 16 18 37.2331316055 -24 05 18.161948660         10.517 F0V 11 0
15 CD-23 12840 ** 16 18 37.302 -24 05 22.51   12.96 12.04     ~ 13 0
16 IRAS 16178-2501 * 16 20 50.6 -25 07 59   18.0 13.54     M 7 0
17 * sig Sco bC* 16 21 11.3157134 -25 35 34.051476 2.32 3.02 2.89 1.69 1.58 O9.5(V)+B7(V) 829 0
18 IRAS 16181-2536 * 16 21 14.0 -25 43 06   16.6 14.80     M 5 0
19 IRAS 16184-2452 IR 16 21 29.8 -24 59 49           ~ 6 0
20 IRAS 16186-2534 IR 16 21 40.3 -25 42 00   18.0 16.86     ~ 3 0
21 V* V935 Sco Or* 16 22 18.5324260467 -23 21 48.141951472   13.6 12.67     M: 30 0
22 2MASS J16230923-2417047 Y*O 16 23 09.2282098522 -24 17 05.016618675   14.3 12.75     M 28 0
23 2MASX J16241633-2209314 EmG 16 24 16.3665740341 -22 09 31.575210155   15.0 15.17     ~ 9 0
24 IRAS 16220-2452 TT* 16 25 02.115744 -24 59 32.40528       14.64 13.12 M3-M5.5 35 0
25 Haro 1-4 Or* 16 25 10.508136 -23 19 14.78820       13.15   K4e 70 0
26 HD 147889 pr* 16 25 24.3162969787 -24 27 56.570239619 8.56 8.73 7.90     B2III/IV 438 1
27 2MASS J16252434-2355103 TT* 16 25 24.3567454098 -23 55 11.011537196   17.03 15.39     ~ 29 0
28 YLW 19 Y*O 16 25 36.7376373343 -24 15 42.528646400   17.8 16.4 14.94 13.36 K3-K5 39 0
29 CD-25 11504 Or* 16 25 38.480136 -26 13 54.28524   12.56 11.40 11.16   K7Ve 35 0
30 IRAS 16226-2420 TT* 16 25 39.5828608249 -24 26 34.889477995       16.78 14.84 M2 36 0
31 ROX 3 Or* 16 25 49.6474242025 -24 51 31.945724582     13.10 12.10 11.13 M0e 46 0
32 WLY 2-10 TT* 16 25 50.5249510923 -24 39 14.568017391     15.49 13.83 12.30 K5.5 34 0
33 EM* SR 4 Or* 16 25 56.1659484606 -24 20 48.239269835     12.80 11.7 10.7 K0:Ve 152 1
34 [SKS95] 162300.0-241834 Y*O 16 26 01.3663365059 -24 25 20.939925891           ~ 20 0
35 Haro 1-6 Or* 16 26 03.0281201323 -24 23 36.193999164   14.15 14.01 12.38 10.80 K0 204 1
36 GSS 26 Y*O 16 26 10.33152 -24 20 54.8232           M0 74 1
37 ROX 9 X 16 26 15 -25 42.6           ~ 2 0
38 GSS 29 TT* 16 26 16.8584457266 -24 22 23.154122364       17.4 15.23 K5-K6 76 1
39 DoAr 24 TT* 16 26 17.0747576971 -24 20 21.594542024   16.06 14.21 14.02 11.57 K7.5V 100 1
40 CRBR 2315.8-1700 Y*O 16 26 17.22936 -24 23 45.3660           ~ 36 0
41 CRBR 2317.3-1925 Y*O 16 26 18.82056 -24 26 10.5216           M7 40 0
42 Elia 2-20 TT* 16 26 18.8782824640 -24 28 19.698059817           ~ 93 1
43 CRBR 2317.5-1729 Y*O 16 26 18.98232 -24 24 14.2596           ~ 39 0
44 GSS 30 Y*O 16 26 21.38160 -24 23 04.0524           ~ 200 1
45 [GY92] 5 Y*O 16 26 21.5389368381 -24 26 01.000528521       18.30 15.80 M7 59 1
46 VSSG 12 Y*O 16 26 22.38552 -24 22 52.9464           ~ 52 0
47 [GY92] 13 * 16 26 22.85016 -24 43 10.8984           ~ 4 0
48 [GY92] 15 Y*O 16 26 22.95576 -24 28 46.1496           M6 22 0
49 GSS 31 TT* 16 26 23.3694945462 -24 20 59.580653864   15.9 14.70 14.33 11.53 K0e 133 1
50 [GY92] 21 Y*O 16 26 23.57976 -24 24 39.4956           K7 62 2
51 DoAr 25 TT* 16 26 23.6911216715 -24 43 13.886717283       12.65   K5 128 0
52 GSS 32 TT* 16 26 24.0521249616 -24 24 48.105099750       17.81 15.58 K5-K6 95 1
53 [GY92] 29 Y*O 16 26 25.28280 -24 24 45.0072           ~ 23 1
54 NAME VLA 1623-243 Y*O 16 26 26.42 -24 24 30.0           ~ 375 0
55 [SSG2006] MMS002 smm 16 26 26.50 -24 24 30.9           ~ 241 0
56 ROX 13 Y*O 16 26 29.67048 -24 19 05.5092           ~ 23 1
57 VSSG 27 Y*O 16 26 30.46896 -24 22 57.1440           M 57 1
58 VSSG 4 Y*O 16 26 37.78680 -24 23 00.7476           ~ 27 0
59 [GY92] 91 Y*O 16 26 40.46952 -24 27 14.4720           ~ 60 1
60 [GY92] 93 TT* 16 26 41.2758774571 -24 40 17.853342857       15.41 13.37 M5 52 0
61 WL 8 Y*O 16 26 42.01776 -24 33 26.2332           ~ 21 0
62 WL 7 Y*O 16 26 42.14328 -24 31 02.9460           ~ 31 0
63 GSS 37 TT* 16 26 42.85416 -24 20 29.8608       16.29 14.08 K7-M2 74 1
64 [GY92] 109 Y*O 16 26 42.89280 -24 22 59.0808           M6 18 0
65 VSSG 11 TT* 16 26 43.7653879512 -24 16 33.287042569           ~ 45 1
66 VSSG 30 Y*O 16 26 44.19504 -24 34 48.3492           ~ 129 0
67 GSS 39 Y*O 16 26 45.0321556934 -24 23 07.808781522           M0 144 1
68 YLW 37 TT* 16 26 46.4318675036 -24 12 00.041276484   17.15   13.90 12.37 G3.5 51 0
69 Haro 1-8 Or* 16 26 47.4281589964 -23 14 52.213287086   14.1       ~ 47 0
70 WL 2 Y*O 16 26 48.48624 -24 28 38.9064           ~ 51 1
71 WSB 40 TT* 16 26 48.6594317309 -23 56 34.139564007       14.45 12.92 K5.5 26 0
72 WL 18 TT* 16 26 48.9801383800 -24 38 25.150629987       19.33 17.38 M3.5 62 0
73 VSSG 3 Y*O 16 26 49.2334185887 -24 20 03.409036777           ~ 45 1
74 BBRCG 13 Y*O 16 26 51.97104 -24 30 39.4956           ~ 23 1
75 BBRCG 14 Y*O 16 26 53.46936 -24 32 36.2472           ~ 23 1
76 [GY92] 152 Y*O 16 26 54.29328 -24 24 38.1636           ~ 12 0
77 VSSG 5 Y*O 16 26 54.44376 -24 26 20.7204           ~ 40 1
78 [GY92] 154 Y*O 16 26 54.77088 -24 27 02.2464           M6 22 0
79 [GY92] 156 Y*O 16 26 54.97272 -24 22 29.6904           ~ 22 1
80 WL 21 Y*O 16 26 57.33000 -24 35 38.8032           M6 40 0
81 CRBR 2356.6-3058 Y*O 16 26 58.27872 -24 37 40.9584           ~ 21 0
82 YLW 1C Y*O 16 26 58.39608 -24 21 29.9808           M6 32 0
83 VSSG 8 TT* 16 27 01.61856 -24 21 37.0404           ~ 16 0
84 [GY92] 188 Y*O 16 27 03.00720 -24 26 14.6976           ~ 24 1
85 VSSG 31 Y*O 16 27 04.10688 -24 28 29.9136           ~ 56 1
86 [GY92] 195 Y*O 16 27 04.57464 -24 27 15.6636           ~ 29 1
87 [GY92] 197 Y*O 16 27 05.24616 -24 36 29.7936           ~ 59 1
88 [GY92] 204 TT* 16 27 06.5924723987 -24 41 48.883697790       17.57 15.43 M5 82 0
89 WL 17 Y*O 16 27 06.77616 -24 38 14.9964           ~ 85 0
90 WL 10 Y*O 16 27 09.1086301538 -24 34 08.290873154           K9 63 0
91 [GY92] 213 Y*O 16 27 09.35328 -24 40 22.4292           ~ 28 0
92 Elia 2-29 Y*O 16 27 09.43032 -24 37 18.7716           ~ 267 1
93 EM* SR 21A TT* 16 27 10.2776332501 -24 19 12.620553212   16.08 14.10     G1 234 1
94 WLY 1-43 Y*O 16 27 11.17992 -24 40 46.6680           ~ 54 0
95 WL 19 Y*O 16 27 11.71416 -24 38 32.0604           ~ 66 0
96 WL 11 Y*O 16 27 12.13128 -24 34 49.1412           M2 42 0
97 VSSG 24 Y*O 16 27 13.7333005776 -24 18 16.861146661           ~ 31 1
98 [GY92] 235 Y*O 16 27 13.8208549477 -24 43 31.648188013           M3.5 36 0
99 WLY 2-33 Y*O 16 27 14.50512 -24 26 46.0860           ~ 30 0
100 YLW 10B Y*O 16 27 15.45432 -24 26 39.8004           ~ 45 0
101 WLY 2-35 Y*O 16 27 15.51408 -24 30 53.6832           ~ 29 0
102 WL 20 Y*O 16 27 15.69840 -24 38 43.4364           ~ 78 0
103 NAME WL 20E Y*O 16 27 15.87648 -24 38 43.3896           ~ 71 0
104 YLW 10C Y*O 16 27 15.88488 -24 25 14.1924           ~ 25 0
105 YLW 12A Y*O 16 27 17.57160 -24 28 56.2944           ~ 64 0
106 WL 5 TT* 16 27 18.17064 -24 28 52.6800           ~ 88 0
107 BBRCG 39 Y*O 16 27 18.38040 -24 39 14.6844           ~ 36 0
108 VSSG 26 Y*O 16 27 18.48720 -24 29 05.9136           ~ 83 0
109 WL 3 Y*O 16 27 19.21584 -24 28 43.8528           K7 60 0
110 YLW 13B Y*O 16 27 21.46872 -24 41 43.0692           ~ 86 0
111 WL 6 Y*O 16 27 21.80448 -24 29 53.3616           ~ 111 0
112 CRBR 2422.8-3423 Y*O 16 27 24.61320 -24 41 03.4080           ~ 81 1
113 [GY92] 260 Y*O 16 27 26.28552 -24 42 46.1304           ~ 23 0
114 YLW 16C Y*O 16 27 26.48952 -24 39 23.0760           M1 56 0
115 YLW 15 Y*O 16 27 26.93640 -24 40 50.8224           ~ 241 1
116 Elia 2-31 TT* 16 27 27.3790999869 -24 31 16.473626072           ~ 64 1
117 YLW 16A Y*O 16 27 28.02744 -24 39 33.5052           K8 185 0
118 Elia 2-32 Y*O 16 27 28.44576 -24 27 21.0348           K6.5 104 1
119 YLW 16B Y*O 16 27 29.43528 -24 39 16.1892           ~ 102 0
120 Elia 2-33 Y*O 16 27 30.18024 -24 27 43.3656           M2 109 1
121 [GY92] 284 TT* 16 27 30.8462751800 -24 24 56.099392437       18.45 16.24 M3.25 40 0
122 BBRCG 60 Y*O 16 27 32.67576 -24 33 23.9328           ~ 31 0
123 BBRCG 61 Y*O 16 27 32.85048 -24 32 34.8324           ~ 30 0
124 YLW 18 TT* 16 27 33.1158717225 -24 41 15.261194836       17.66 15.65 K5-K6 63 0
125 IRAS 16245-2423 TT* 16 27 37.1911764648 -24 30 35.031583716       16.66 14.67 B5-F2 237 0
126 [GY92] 301 Y*O 16 27 37.24944 -24 42 38.0160           ~ 32 0
127 YLW 47 TT* 16 27 38.3220493264 -24 36 58.601739078       17.69 15.52 M0 85 0
128 [GY92] 310 Y*O 16 27 38.6280925403 -24 38 39.230714152         17.40 M8 60 0
129 [GY92] 312 Y*O 16 27 38.94456 -24 40 20.6724           M2.5 38 0
130 ROX 27 TT* 16 27 39.4297106587 -24 39 15.527875310       15.76 14.03 M0+M4 93 0
131 YLW 45 Y*O 16 27 39.82824 -24 43 15.0672           ~ 107 0
132 EM* SR 9 Or* 16 27 40.2858402419 -24 22 04.132012501   12.91 11.533 11.11 10.00 K5e 250 0
133 [GY92] 323 Y*O 16 27 41.75280 -24 43 36.0984           ~ 19 0
134 [GY92] 326 TT* 16 27 42.7019471651 -24 38 50.620859523         17.30 M2 38 0
135 [GY92] 344 Y*O 16 27 45.78672 -24 44 53.8620           M6 27 0
136 [GY92] 350 Y*O 16 27 46.2918321741 -24 31 41.264641200           M7.5 35 0
137 [GY92] 352 Y*O 16 27 47.09496 -24 45 35.0676           ~ 21 0
138 [GY92] 371 Y*O 16 27 49.7891400099 -24 25 21.930904732           M6 28 0
139 YLW 52 Y*O 16 27 51.80472 -24 31 45.5304           ~ 61 0
140 WLY 2-55 TT* 16 27 52.0863419872 -24 40 50.713643148     16.28 14.48 12.78 K7.5 79 0
141 [GY92] 397 Y*O 16 27 55.25496 -24 28 39.5580           M6 24 0
142 EM* SR 10 Or* 16 27 55.5811105202 -24 26 18.029286663   15.23 14.19 13.91 11.95 M1.5e 71 0
143 [GY92] 450 Y*O 16 28 03.55560 -24 34 38.6148           M6 14 0
144 [GY92] 463 TT* 16 28 04.64592 -24 34 56.0964           ~ 16 0
145 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3063 0
146 YLW 58 TT* 16 28 16.5131631203 -24 36 58.057875801   18.5   16.55 14.46 M4 84 0
147 NAME EM* SR 20W TT* 16 28 23.3455227878 -24 22 40.663704708     15.79 16.29 14.60 K5 25 0
148 EM* SR 20 Or* 16 28 32.6877046986 -24 22 45.009576300   16.23   12.59   G7 74 0
149 2MASS J16303563-2434188 TT* 16 30 35.6384908794 -24 34 18.686272053   12.5 12.90 11.85 10.76 ~ 29 0
150 IRAS 16275-2638 * 16 30 37.0 -26 44 54   16.8 13.74     ~ 20 1
151 V* V2131 Oph Or* 16 31 15.7390747430 -24 34 02.512884637   12.0 12.05 11.06 10.13 ~ 91 0
152 ROXs 43A TT* 16 31 20.1187037852 -24 30 05.059723324   11.89 10.93     G5IVe 47 0
153 ROX 43 ** 16 31 20.12 -24 30 05.0           G5IVe+K3(e) 38 0
154 DoAr 43 Em* 16 31 30.8845137759 -24 24 39.908052315   16.98 15.23 15.20   K2Ve 48 0
155 Haro 1-16 Or* 16 31 33.4638378966 -24 27 37.158295501   14.02 12.80     K3e 177 0
156 LDN 1709 DNe 16 31 34.8 -24 02 55           ~ 67 0
157 IRAS 16285-2355 Y*O 16 31 35.65752 -24 01 29.4708           ~ 103 0
158 ISO-Oph 204 TT* 16 31 52.1212410606 -24 56 15.712413458           ~ 35 0
159 IRAS 16289-2457 Y*O 16 31 54.7486638903 -25 03 24.071963352           M 28 0
160 WLY 2-67 Y*O 16 32 00.99624 -24 56 41.9640           ~ 55 0
161 DoAr 51 Or* 16 32 11.7963869069 -24 40 21.648066213   13.89 13.65 12.43 11.025 K8IVe 62 0
162 WLY 2-69 Y*O 16 32 21.0555526592 -24 30 35.938019087           ~ 17 0
163 LDN 1689 DNe 16 32 22.5 -24 28 29           ~ 110 0
164 IRAS 16330-2424 IR 16 36 05.4 -24 30 39   19.6 16.3     ~ 4 0
165 IRAS 16349-2502 LP* 16 38 02.8830841812 -25 08 29.002909139   18.8 12.27     ~ 4 0
166 * ksi Dra PM* 17 53 31.7296234 +56 52 21.514262 6.14 4.93 3.75 2.92 2.33 K2III 255 0
167 * alf Lac PM* 22 31 17.5013090 +50 16 56.968200 3.78 3.78 3.77 3.77 3.80 A1V 240 0

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2020.10.19-18:07:40

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