1997A&A...327.1194W

Query : 1997A&A...327.1194W

1997A&A...327.1194W - Astronomy and Astrophysics, volume 3271194-1205 (1997/11-3)

On the distance to the Chamaeleon I and II associations.

WHITTET D.C.B., PRUSTI T., FRANCO G.A.P., GERAKINES P.A., KILKENNY D., LARSON K.A. and WESSELIUS P.R.

Abstract (from CDS):

Constraints on the distances to the dark clouds Chamaeleon I and II are investigated in detail. A compilation of photometric data, spectral types and absolute magnitudes for field stars towards each cloud is presented, and results are used to examine the distribution of reddening with distance along each line of sight. The distances to stars associated with reflection nebulae in each cloud are examined in detail. On the basis of these results, we deduce the most probable distance of Cha I to be 160±15pc, and that of Cha II to be 178±18pc. An examination of the mean fluxes of T Tauri stars in each cloud provides independent evidence to suggest that Cha II is significantly more distant than Cha I. Both clouds appear to be embedded in a macroscopic sheet-like structure extending over much of the Chamaeleon-Musca-Crux region. The Chamaeleon III and DC 300.2-16.9 clouds are probably part of the same structure, with probable distances ∼140-160pc.

Abstract Copyright: ∼

Journal keyword(s): stars: distances - ISM: clouds - dust, extinction - Chamaeleon clouds - reflection nebulae

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 - 2026 		#notes
1 SA 203-244 * 01 58.9 -76 43     9.682     ~ 2 0
2 CD-76 476 * 10 49 01.3667034792 -76 54 27.923331384   11.74 10.13     K4III 11 0
3 CD-77 469 * 10 50 36.8817641736 -77 58 05.433237984   10.43 9.88     B8V 11 0
4 HD 94414 * 10 50 55.9434064368 -77 07 28.547261652   8.43 8.01     B4V 44 0
5 HD 94454 * 10 51 30.2718819000 -75 52 57.953647452   6.77 6.69     B8III 40 0
6 HD 94716A * 10 53 24.5687477770 -75 23 06.603560694   9.28 9.21 9.699   B9V 12 0
7 TYC 9410-368-1 * 10 55 48.6112150560 -76 51 50.571981612   11.63 11.02     A2V 14 0
8 V* SX Cha Or* 10 55 59.802000 -77 24 40.12524   16.01 14.57 14.23 12.35 M1.5+M3 97 0
9 CD-75 514 * 10 56 11.4552577200 -76 35 52.873560780   10.64 10.39     B5V 14 0
10 V* SY Cha Or* 10 56 30.3883129248 -77 11 39.401977596         11.29 K5Ve 194 0
11 Sz 4 TT* 10 57 42.0977196408 -76 59 35.641299948   14.1 14.80   12.17 M4Ve 53 0
12 HD 95326 * 10 58 00.5597553144 -75 36 04.361336352   9.26 8.81     F5V 21 0
13 V* TW Cha Or* 10 59 01.0607352312 -77 22 40.947126636     13.40   11.68 K8Ve 156 0
14 CD-76 481 PM* 10 59 04.2213417600 -77 05 57.118216236   11.11 9.48     K0III 16 0
15 Hen 3-545 Or* 10 59 06.9715593000 -77 01 40.309233240   12.91 11.136   9.596 K4Ve 237 0
16 Glass K * 11 01 00.0687422664 -77 38 51.715057740   15.87 13.77 13.43 11.25 K3III 12 0
17 CD-75 518 * 11 01 14.0901663072 -76 32 26.699465040   11.23 10.64     B9V 11 0
18 HD 95916 PM* 11 01 20.0174659032 -77 36 12.712421736   9.75 9.17     F8V 14 0
19 HD 95883 * 11 01 28.8442128384 -75 39 51.980979528   7.46 7.33     A1Van 18 0
20 HD 96092 * 11 02 46.6408758792 -75 35 39.259648788   8.08 8.00     B9V 21 0
21 Glass C TT* 11 03 11.5657030464 -77 21 04.321403100   12.59 11.48     G2V 34 0
22 Glass L * 11 03 22.8784151400 -77 41 30.191355132     15.22   12.28 G8III 7 0
23 [VR84] l PM* 11 03 44.4765754392 -77 46 11.354700612   11.90 11.01 10.86 10.06 K3V 11 0
24 Glass T * 11 04 07.9525454400 -76 52 12.841693392   13.346 11.408 10.841 9.41 K3III 14 0
25 V* CT Cha Or* 11 04 09.0989256840 -76 27 19.329779664   13.44 13.00   10.89 K7Ve 145 0
26 Glass D * 11 04 16.8700433328 -77 17 38.674737204     14.10 13.65 11.66 G8III 11 0
27 Glass E * 11 04 48.9948802632 -77 16 26.172269832   15.702 13.040 12.38 9.28 M5III 11 0
28 HD 96675 Or* 11 05 57.8105960448 -76 07 48.884316960   7.82 7.68   8.48 B5V 88 0
29 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1266 1
30 Glass B * 11 06 58.5373011096 -77 13 32.422795068   15.336 12.921 12.52 9.85 G8III 18 0
31 HD 96831 * 11 07 08.6667106416 -74 43 50.284722288   10.41 10.12     A1(IV) 7 0
32 IRAS 11057-7706 Y*O 11 07 09.19896 -77 23 04.9920           ~ 64 0
33 V* UZ Cha Or* 11 07 12.0595557432 -76 32 23.248659588         12.62 K8Ve 71 0
34 Glass G * 11 07 16.5157616040 -77 26 21.428716200     15.14     K4III 15 0
35 HD 97048 Ae* 11 08 03.3109731720 -77 39 17.490777444 9.03 8.76 9.00   8.64 A0Vep 590 0
36 Glass A * 11 08 25.7675857440 -76 48 31.547398464   13.130 11.353     K3III 21 0
37 V* VY Cha Or* 11 08 54.6059374368 -77 02 13.006464720   14.8     13.60 K8Ve 80 0
38 HD 97240 Em* 11 09 18.1478666304 -77 47 39.915579372   8.91 8.50     F5V 42 0
39 CD-75 522 * 11 09 46.4539300032 -76 28 57.589102956   11.33 10.56 10.30 9.42 F0V 27 0
40 HD 97300 Ae* 11 09 50.0199904704 -76 36 47.718191232   9.41 9.20   8.82 B9V 190 1
41 Glass O * 11 09 53.1585133536 -77 45 40.076642376   17.41 15.06 14.93 12.54 G8III 10 0
42 NAME Cha T Association As* 11 10 16.7 -76 42 03           ~ 42 1
43 Ass Cha T 1-27 Or* 11 10 49.5667074984 -77 17 51.754670016   16.80 16.64   13.84 M4Ve 92 0
44 HD 97474 PM* 11 10 52.1802772920 -76 06 39.352778172   9.36 8.72     G3V 19 0
45 Glass P * 11 11 13.3178632584 -77 31 17.928839820     13.76 13.49 10.69 K0III 18 0
46 V* XX Cha Or* 11 11 39.6728641032 -76 20 15.032221548   16.67 15.28   12.56 M3Ve 137 1
47 CHX 18 X 11 11 49.8 -76 19 48           ~ 64 1
48 CD-75 528 * 11 13 31.9410023760 -76 03 24.418860768   10.82 9.60     G9III 10 0
49 HD 97901 * 11 13 48.3869283336 -75 47 25.737132516   7.99 7.67     A3mA4-A6 22 0
50 CD-76 489 * 11 15 09.8789008592 -77 02 15.763936899     9.5     K3III 10 0
51 HD 98143 * 11 15 16.9024812240 -77 31 06.120737796   8.12 7.61     B8III 42 0
52 HD 98294 * 11 16 38.8117021920 -75 13 19.248213216   8.69 8.52     B8V 18 0
53 HD 98561 * 11 18 44.1047607888 -75 24 58.326718356   8.78 8.35     A3/4IV 14 0
54 HD 98627 * 11 19 03.8021619480 -75 49 29.620662708   9.10 7.38     K5III 21 0
55 HD 98672 * 11 19 36.5281546752 -75 08 32.808187176   6.241 6.258     B9.5/A0V 34 0
56 HD 98913 * 11 21 27.4054782264 -75 26 42.549756000   10.08 9.55     F6V 17 0
57 HD 99015 PM* 11 21 56.8916592888 -77 36 30.127445856   6.624 6.423     A5III/IV 30 0
58 HD 99014 ** 11 22 09.946 -75 07 19.49   10.34 9.71 9.86   G2V 7 0
59 HD 99161 * 11 23 06.9016750536 -76 00 26.979856668   9.01 8.89     B9.5V 20 0
60 HD 99515 * 11 25 18.8461162920 -77 42 01.421959968   9.77 9.35     A8IV 16 0
61 HD 99501 PM* 11 25 26.8065682608 -75 53 27.577022748   9.82 9.36     F2V 16 0
62 HD 99591 * 11 26 04.3383803448 -75 43 34.925923632   9.91 9.39     F7V 11 0
63 HD 99759 * 11 27 16.1203186872 -75 56 02.256217872   8.75 8.51     B9.5V 27 0
64 HD 100308 * 11 31 14.1363042216 -77 04 30.491962176   9.85 9.34     F6V 11 0
65 HD 100401 * 11 31 55.2985117488 -76 18 11.407953744   9.47 8.38     G6III/IV 20 0
66 [DB2002b] G300.23-16.89 DNe 11 54 31 -79 27.8           ~ 46 1
67 NAME Chamaeleon Region SFR 11 55 -78.0           ~ 887 0
68 V* EE Cha dS* 11 58 35.2393350552 -77 49 31.497986964   6.918 6.738     A7V 64 0
69 HD 104097 * 11 59 12.3412807104 -77 59 07.711726596   9.64 9.32     A4V 8 0
70 SA 203-229 * 12 02.0 -76 59     10.003     ~ 2 0
71 HD 105154 * 12 06 25.9534926240 -75 16 02.894683692   10.50 9.96     F6V 10 0
72 CPD-75 781 * 12 07 39.5766036768 -75 55 57.880458516   11.17 10.47     ~ 7 0
73 SA 203-292 * 12 09.1 -78 00     10.122     ~ 2 0
74 HD 105524 * 12 09 11.1480508536 -76 38 15.276189696   9.76 9.13     F3III/IV 16 0
75 SA 203-305 * 12 12.5 -77 20     10.566     ~ 2 0
76 HD 106183 * 12 13 24.3235448376 -75 14 10.502852928   8.76 8.60     B8V 14 0
77 SA 203-334 * 12 13.9 -77 06     10.062     ~ 2 0
78 SA 203-335 * 12 13.9 -74 53     10.588     ~ 2 0
79 HD 106247 PM* 12 13 54.1582435200 -76 01 19.085523060   9.19 8.71     F0IV 24 0
80 SA 203-341 * 12 14.5 -73 57     10.877     ~ 2 0
81 SA 203-342 * 12 14.6 -74 54     10.382     ~ 2 0
82 SA 203-347 * 12 15.8 -76 49     10.553     ~ 2 0
83 CD-74 669 * 12 16 44.9028476227 -75 00 39.590901696   11.09 10.39     ~ 5 0
84 TYC 9412-1150-1 * 12 16 56.3081922768 -76 07 12.734885388   12.21 11.58     ~ 2 0
85 SA 203-362 * 12 17.7 -75 24     11.126     ~ 2 0
86 HD 106883 ** 12 18 08.5760 -77 25 12.404   10.11 9.68     A1V 7 0
87 CD-77 548 * 12 18 20.7739945014 -77 55 37.528993078   10.433 9.884 10.060 9.386 F0 13 1
88 SA 203-367 * 12 18.4 -76 12     10.052     ~ 2 0
89 SA 203-371 * 12 19.6 -76 17     10.865     ~ 2 0
90 HD 107145 PM* 12 19 45.4064562576 -76 48 03.666016728   7.275 6.837     F5IV/V 45 0
91 TYC 9412-1789-1 SB* 12 21 39.9483538968 -76 24 41.967781812   11.25 10.64     ~ 6 0
92 SA 203-385 * 12 22.3 -76 33     10.211     ~ 2 0
93 SA 203-389 * 12 22.9 -75 52     10.635     ~ 2 0
94 HD 107722 TT* 12 23 29.0429848776 -77 40 51.427021368   8.75 8.29     F6V 34 0
95 SA 203-400 * 12 24.4 -75 14     10.534     ~ 2 0
96 SA 203-402 * 12 24.8 -74 51     9.937     ~ 2 0
97 HD 108270 * 12 27 18.1000053728 -76 59 46.108734242   9.90 9.44     A3/5 8 0
98 HD 108343 PM* 12 27 37.0443746664 -75 28 20.453398068   8.24 8.01     A8IV/V 18 0
99 HD 108378 * 12 28 00.0156866688 -76 13 58.503910764   10.08 9.48     F0III/IV 8 0
100 SA 203-443 * 12 30.4 -75 02     10.583     ~ 2 0
101 HD 108792 * 12 30 56.1024429480 -75 24 02.793158100   7.64 7.49     B9V 29 0
102 HD 108927 * 12 32 19.7295790536 -78 11 38.855722632   7.83 7.76     B5V 42 0
103 HD 109067 PM* 12 32 50.2270502592 -75 26 04.852111920   8.16 7.79     F3IV/V 39 0
104 SA 203-496 * 12 37.3 -75 02     10.676     ~ 2 0
105 IRAS 12340-7958 LP* 12 37 39.7408011816 -80 15 13.707391932   16.11 14.39 13.63 9.81 ~ 108 0
106 NAME Cha III MoC 12 37.8 -80 15           ~ 147 2
107 HD 109700 * 12 37 58.9745910960 -75 26 18.432281040   10.82 10.36     A8/F0V 8 0
108 CD-76 558 * 12 42 03.9822683448 -76 47 05.729873640   10.81 10.22     ~ 2 0
109 HD 110336 * 12 43 05.3295762552 -77 21 03.799849968   8.99 8.64     B9IV 28 0
110 TYC 9413-615-1 * 12 44 26.8179286968 -75 07 00.639696252   11.12 10.70     ~ 4 0
111 HD 110626 * 12 44 54.2011452120 -75 03 23.704264224   9.41 8.96     F0III/IV 10 0
112 SA 203-538 * 12 45.0 -75 37     10.067     ~ 3 0
113 HD 111152 ** 12 48 53.5777400208 -75 19 21.623179656   8.91 8.48 9.22   F5V 17 0
114 TYC 9417-891-1 * 12 52 00.9788647800 -78 02 15.180691164   12.97 11.23     G5III 6 0
115 CD-77 576 * 12 52 05.4532760592 -77 54 52.325910504   10.39 9.78     ~ 4 0
116 TYC 9417-560-1 * 12 52 14.7837096288 -77 22 41.783327580   11.62 11.04     A5V 5 0
117 CD-77 577 * 12 52 40.8517222632 -78 09 11.650638168   10.80 9.62     G2III 5 0
118 TYC 9417-1193-1 * 12 53 08.2901515032 -78 03 43.612582824   12.448 11.186     K0III 9 0
119 V* DK Cha TT* 12 53 17.2111480272 -77 07 10.736046012           F0e 149 0
120 NAME Cha II MoC 12 54 -77.2           ~ 361 0
121 [HH92] F06 * 12 53 52.6732411512 -77 14 45.812296104   13.39 12.43     B5V 2 0
122 HD 111830 * 12 54 09.6073181304 -78 02 13.458120036   9.05 7.79     K0III 27 0
123 TYC 9417-518-1 * 12 54 29.8004664408 -77 28 57.549299988   11.85 11.25     A7V 5 0
124 [HH92] F09 PM* 12 58 33.9729137784 -77 06 02.668751437   16.836 15.125 14.912   M2V 4 0
125 [HH92] F10 * 13 00 04.9 -77 52 50   13.23 12.37     F9V 2 0
126 TYC 9417-1432-1 * 13 00 20.1963647184 -77 51 54.980922672   11.98 11.44     F0V 5 0
127 [HH92] F12 * 13 00 34.8 -77 28 06   13.23 12.31     K2V 2 0
128 TYC 9417-1915-1 SB* 13 00 42.0031256424 -76 58 26.836253616   11.60 10.86     G1V 7 0
129 CD-76 564 SB* 13 00 45.1321157040 -76 47 30.459364080   11.46 10.80     G0 5 0
130 Ass Cha T 2 As* 13 00 50.7 -77 34 26           ~ 19 1
131 Sz 49 Y*O 13 00 53.2473650928 -76 54 15.206649912   15.6       M0.5 47 0
132 Sz 50 Y*O 13 00 55.3820751133 -77 10 22.247668674   17.64 16.01     M3 47 0
133 TYC 9417-675-1 * 13 01 03.6815199744 -78 12 23.704634412   12.11 10.27     K3III 5 0
134 [HH92] F15 * 13 01 16.0 -77 32 59   11.85 9.61     M3III 2 0
135 ISO-ChaII 71 * 13 01 32.0 -77 10 22   14.10 13.13     K3V 3 0
136 TYC 9417-1924-1 * 13 01 58.5998584608 -76 55 13.993963644   12.15 10.88     K1III 6 0
137 Sz 51 Or* 13 01 58.8991295760 -77 51 21.848767020   15.38       K8.5 46 0
138 TYC 9417-1595-1 PM* 13 02 08.1622941168 -77 51 06.012213048   11.85 11.02     K3V 10 1
139 TYC 9417-1646-1 * 13 02 18.0028671120 -77 50 43.857402864   12.18 11.46     F5III 5 0
140 TYC 9417-1873-1 * 13 02 29.0509021248 -77 10 13.229071140   11.77 10.18     K3III 7 0
141 HD 113074 * 13 03 30.9382746912 -77 01 53.775816240   9.55 9.40 9.81   B9V 19 0
142 TYC 9417-698-1 PM* 13 03 57.7427603400 -77 30 51.932722752   13.42 12.52     G1V 5 0
143 [HH92] F23 * 13 04 25.5 -77 00 12   10.31 9.93     A0V 2 0
144 HD 113263 * 13 04 54.9522075024 -76 38 57.932154564   9.08 8.67     F2IV 20 0
145 Sz 53 Or* 13 05 12.6752612232 -77 30 52.566390396   17.85 16.59     M1 35 0
146 Hen 3-854 Or* 13 05 20.6574078672 -77 39 01.506188880   13.88 12.40     K5 49 0
147 V* DL Cha AB* 13 06 08.3984279688 -77 06 27.218586960   12.79 11.57     M6III 25 0
148 CD-76 568 * 13 06 40.5066026544 -76 43 55.761892176   10.66 10.28     A0 3 0
149 HD 113513 PM* 13 06 50.5849424232 -77 52 13.737559836   9.46 8.77     G5V 53 0
150 Sz 58 Em* 13 06 57.4252298184 -77 23 41.593041672   17.89 16.01     K5 37 0
151 V* BK Cha Or* 13 07 09.247848 -77 30 30.56004   16.11 14.58 14.41   K7 35 0
152 [HH92] F27 * 13 07 18.1476635496 -77 52 07.164956388   14.756 12.721     G0III 6 0
153 Sz 60 Y*O 13 07 22.760 -77 37 22.89           ~ 17 0
154 HD 113636 * 13 07 34.0327513872 -77 13 17.569214292   10.31 9.92     A0V 7 0
155 [HH92] F26 * 13 07 53.6 -77 52 37   14.76 13.32     F4V 2 0
156 HD 113693 ** 13 08 02.9687581536 -77 18 35.972314812   9.83 8.79     K3V 26 0
157 V* BM Cha Or* 13 08 06.2695235808 -77 55 05.329818156   16.77 14.60     K5 61 0
158 HD 113758 * 13 08 17.4515606880 -76 50 36.009717792   10.61 10.39     A0V 8 0
159 TYC 9417-730-1 * 13 08 49.5438838824 -77 17 45.709887264   11.68 10.22     K1III 5 0
160 CD-76 572 * 13 09 21.6376194144 -76 56 46.928013396   10.85 9.87     G4III 5 0
161 [HH92] F32 * 13 09 42.0 -77 14 49   13.27 12.48     G5V 2 0
162 CD-77 585 * 13 09 46.6442368440 -78 19 49.511088948   10.46 10.14     B9V 6 0
163 HD 113993 * 13 10 06.4867106208 -77 14 50.841919716   9.92 9.64     A2III/IV 6 0
164 TYC 9417-1712-1 * 13 11 58.9815526584 -77 43 19.331542200   10.94 10.38     F3V 7 0
165 CD-77 586 * 13 13 28.3294426464 -77 51 04.906960380   10.96 10.70     B8 3 0
166 HD 114503 ** 13 13 54.32465 -77 27 33.0543           B6V 12 0

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