2012MNRAS.420.2884S


C.D.S. - SIMBAD4 rel 1.7 - 2020.01.28CET14:01:58

2012MNRAS.420.2884S - Mon. Not. R. Astron. Soc., 420, 2884-2898 (2012/March-2)

Dust discs around intermediate-mass and Sun-like stars in the 16 Myr old NGC 1960 open cluster.

SMITH R. and JEFFRIES R.D.

Abstract (from CDS):

We present an analysis of Spitzer IRAC (3.6–8 µm) and MIPS (24 µm) imaging of members of the 165+10 Myr old open cluster NGC 1960 (M36). Models of terrestrial planet formation indicate that rocky planets are likely to achieve their final masses at around 10–30 Myr, and thus this cluster is at an interesting epoch for planet formation. We find 21 B–F5 type stars and 14 F6–K9 type stars which have 24 µm excess emission, and thus determine that >30 per cent of B–F5 type stars and >23 per cent of F6–K9 type stars in this cluster have 24 µm excess emission. These excess frequencies are similar to those observed in other clusters of similar age. Three early-type stars have excesses at near-infrared wavelengths. Analysis of their spectral energy distributions confirms that these are true debris discs and not remnant primordial or transitional discs. None of the 61 Sun-like stars has confirmed near-infrared excess, and we can place a limit on the frequency of 8 µm excess emission around Sun-like stars of <7 per cent. All of the detected excesses are consistent with emission from debris discs and are not primordial.

Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS

Journal keyword(s): circumstellar matter - open clusters and associations: individual: NGC 1960 - infrared: stars

VizieR on-line data: <Available at CDS (J/MNRAS/420/2884): table1.dat table2.dat table3.dat table4.dat>

Nomenclature: Tables 2+4: [SJ2012] N-NNNN N=69.

Simbad objects: 156

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Number of rows : 156

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 Cl Blanco 1 OpC 00 04 07 -29 50.0           ~ 228 0
2 NGC 869 OpC 02 19 00 +57 07.7           ~ 423 0
3 NAME NGC 869/884 OpC 02 20.5 +57 08           ~ 49 0
4 NGC 884 OpC 02 22 23 +57 07.5           ~ 442 0
5 Cl Melotte 22 OpC 03 47 00 +24 07.0           ~ 2928 0
6 Cl Melotte 25 OpC 04 26 54.00 +15 52 00.0           ~ 2607 0
7 Ass Ori OB 1b As* 05 34.0 -01 30           ~ 233 0
8 [SJ2012] 2-277 * 05 34 32.3 +33 55 45           ~ 1 0
9 [BNM2013] 60.02 192 * 05 34 37.0828696383 +34 03 07.149234110 17.655         ~ 2 0
10 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 1924 1
11 * lam Ori ** 05 35 08.27761 +09 56 02.9611 2.45 3.48 3.66 3.72 3.89 O8IIIf+B0.5V 264 1
12 [BNM2013] 60.04 581 * 05 35 27.4388497658 +34 08 30.845244358 15.974         ~ 2 0
13 NGC 1960 231 * 05 35 30.2326648488 +34 10 58.826686251   12.443 12.262     B8IV 3 0
14 [BNM2013] 60.01 504 * 05 35 40.7906502628 +33 57 31.088319029 16.479         ~ 2 0
15 NGC 1960 152 * 05 35 42.2952982168 +34 10 54.656981420   11.28 11.26     ~ 7 0
16 NGC 1960 151 * 05 35 44.1931435256 +34 10 28.623872302 16.201 15.338 14.741     ~ 4 0
17 NGC 1960 153 * 05 35 46.8022564391 +34 11 49.184840358   14.484 13.805     ~ 3 0
18 [BNM2013] 60.04 490 * 05 35 48.1641913785 +34 09 15.271644854 19.616         ~ 2 0
19 NGC 1960 154 * 05 35 49.1048325035 +34 11 56.046827702   12.614 12.448     ~ 3 0
20 [BNM2013] 60.04 485 * 05 35 49.1506847240 +34 06 15.036374255 17.375         ~ 2 0
21 [BNM2013] 60.04 697 * 05 35 51.2995592497 +34 09 33.336845904 21.253         ~ 2 0
22 NGC 1960 123 * 05 35 51.6554680412 +34 10 32.450808287   11.64 11.53     B8V 4 0
23 NGC 1960 118 * 05 35 52.0834900299 +34 07 38.669233232   13.405 13.128     ~ 3 0
24 Cl* NGC 1960 SAB 124 * 05 35 52.1435000274 +34 06 47.959483106 16.548 15.666 14.963     ~ 3 0
25 NGC 1960 120 * 05 35 52.3784860603 +34 08 57.506544427   13.876 13.481     ~ 3 0
26 [BNM2013] 60.04 464 * 05 35 53.1100775417 +34 06 46.476591168 20.693         ~ 2 0
27 [BNM2013] 60.03 773 * 05 35 53.5808926224 +34 16 03.456887970 20.297         ~ 2 0
28 [BNM2013] 60.01 405 * 05 35 55.7443078506 +33 58 53.567333313 20.267         ~ 2 0
29 Cl* NGC 1960 SAB 161 * 05 35 58.0452300168 +34 03 04.417908459 17.133 16.297 15.400     ~ 3 0
30 NGC 1960 83 * 05 35 58.3948790013 +34 08 11.650114215 16.149   14.75     ~ 3 0
31 [BNM2013] 60.04 440 * 05 35 58.6980797753 +34 13 47.731038491 19.379         ~ 2 0
32 [SJ2012] 4-670 * 05 35 58.8 +34 09 25           ~ 1 0
33 NGC 1960 87 * 05 35 59.2715436325 +34 10 27.373235722   10.72 10.65     A2III 6 0
34 Cl* NGC 1960 SAB 165 * 05 35 59.3361396156 +34 05 35.309464021 17.049 16.221 15.446     ~ 3 0
35 NGC 1960 85 * 05 36 01.9567193080 +34 09 17.625761700   11.458 11.290     ~ 5 0
36 Cl* NGC 1960 SAB 125 * 05 36 01.9788459119 +34 10 50.887795639 16.656 15.762 14.989     ~ 3 0
37 Cl* NGC 1960 SAB 85 * 05 36 02.074 +34 14 12.44   14.133 13.594     ~ 2 0
38 BD+34 1098 * 05 36 02.3877998086 +34 06 50.926493538   10.03 10.01     ~ 12 0
39 NGC 1960 79 * 05 36 02.6601317187 +34 06 06.169352633   12.05 11.93     ~ 3 0
40 NGC 1960 89 * 05 36 03.0745964263 +34 11 13.685544273   13.451 13.134     ~ 3 0
41 NGC 1960 86 * 05 36 03.2798318625 +34 10 07.825568325   10.71 10.65     ~ 4 0
42 NGC 1960 158 * 05 36 03.5836047606 +34 15 36.490036327   13.194 12.957     ~ 3 0
43 [BNM2013] 60.01 752 * 05 36 03.9265860487 +34 02 08.287967286           ~ 2 0
44 [BNM2013] 60.04 385 * 05 36 05.8051003461 +34 05 51.514503649 17.801         ~ 2 0
45 NGC 1960 92 * 05 36 05.9325036207 +34 12 03.228126367   11.01 10.96     ~ 6 0
46 IRAS 05327+3404 Y*O 05 36 05.9700782134 +34 06 11.899510879     18.62     K2IIIe 14 1
47 NGC 1960 45 * 05 36 06.7885275742 +34 06 46.050422611   13.583 13.207     ~ 3 0
48 NGC 1960 47 Em* 05 36 07.2049645935 +34 08 03.263564421   10.56 10.44     ~ 7 0
49 NGC 1960 50 * 05 36 07.7438465086 +34 09 25.053672015   11.81 11.61     ~ 4 0
50 BD+34 1099 * 05 36 07.8961496576 +34 08 50.327006695   9.43 9.36     B3 10 0
51 NGC 1960 53 * 05 36 08.0266116899 +34 09 52.685235580   13.901 13.477     ~ 3 0
52 [BNM2013] 60.03 209 * 05 36 08.2084559189 +34 17 50.377782880 16.675         ~ 2 0
53 Cl* NGC 1960 SAB 72 * 05 36 08.363 +34 10 12.41   13.650 13.296     ~ 2 0
54 [BNM2013] 60.04 370 * 05 36 08.4927175147 +34 07 37.781403321 18.422         ~ 2 0
55 [BNM2013] 60.04 367 * 05 36 08.5484041990 +34 04 06.465248039 16.442         ~ 2 0
56 [BNM2013] 60.04 806 * 05 36 08.9109774441 +34 05 16.209024530 20.007         ~ 2 0
57 [BNM2013] 60.01 335 * 05 36 08.9137200954 +33 57 24.604284053 16.275         ~ 2 0
58 BD+34 1101 * 05 36 09.7721616935 +34 11 35.941847663   10.41 10.37     ~ 10 0
59 Cl* NGC 1960 SAB 122 * 05 36 10.4298171265 +34 08 06.661642792 16.462 15.673 14.937     ~ 3 0
60 [SJ2012] 1-138 * 05 36 10.6 +33 52 48           ~ 1 0
61 NGC 1960 90 * 05 36 10.8879585532 +34 11 21.643760973   13.695 13.338     ~ 3 0
62 NGC 1960 44 * 05 36 11.5370436197 +34 07 06.434138950   11.47 11.38     B2V 7 0
63 NGC 1960 18 * 05 36 12.5631131467 +34 08 58.563743458   10.86 10.78     B2III 6 0
64 Cl* NGC 1960 SAB 142 * 05 36 12.8529715619 +34 09 53.237259629   16.001 15.167     ~ 2 0
65 [BNM2013] 60.04 341 * 05 36 13.2239577763 +34 06 24.517668124 19.258         ~ 2 0
66 NGC 1960 19 * 05 36 13.5497077738 +34 09 25.067325338   14.111 13.529     ~ 3 0
67 NGC 1960 94 * 05 36 13.6530505644 +34 12 43.086070833   13.902 13.342     ~ 3 0
68 [SJ2012] 4-136 * 05 36 13.8 +34 07 16           ~ 1 0
69 [SJ2012] 4-331 * 05 36 14.0 +34 11 07           ~ 1 0
70 Cl* NGC 1960 SAB 162 * 05 36 14.6735695351 +34 10 09.290064206 17.156 16.248 15.403     ~ 3 0
71 NGC 1960 13 * 05 36 15.2894937206 +34 07 12.433562062   10.93 10.80     ~ 7 0
72 NGC 1960 112 * 05 36 15.61 +34 03 25.2   12.51 12.30     ~ 3 0
73 [BNM2013] 60.04 312 * 05 36 15.7156690879 +34 03 53.813898405 17.132         ~ 2 0
74 BD+34 1103 * 05 36 15.8002065945 +34 08 36.634465402 8.2 8.82 8.79     B2V 17 1
75 [BNM2013] 60.01 312 * 05 36 16.0087454018 +34 01 04.573961246 17.186         ~ 2 0
76 [SJ2012] 4-327 * 05 36 17.0 +34 12 44           ~ 1 0
77 NGC 1960 1 * 05 36 17.8419799422 +34 09 14.696365357   14.514 13.971     ~ 3 0
78 Cl* NGC 1960 SAB 168 * 05 36 17.9664606140 +34 05 38.594186663 17.432 16.429 15.478     ~ 3 0
79 M 36 OpC 05 36 18 +34 08.4   6.09 6.0     ~ 151 2
80 NGC 1960 20 * 05 36 18.5709575482 +34 10 46.027490184   12.591 12.300     ~ 3 0
81 NGC 1960 55 * 05 36 19.4898539238 +34 12 14.767176900   11.72 11.62     ~ 4 0
82 NGC 1960 41 * 05 36 20.0267032755 +34 06 11.460651129   12.57 12.38     ~ 3 0
83 NGC 1960 40 * 05 36 20.7526738496 +34 06 50.158298869   12.624 12.327     ~ 3 0
84 NGC 1960 57 * 05 36 20.8926849616 +34 12 43.069321452   11.88 11.76     ~ 3 0
85 LS V +34 52 * 05 36 21.0567023953 +34 10 16.715162405 9.17 9.63 9.6     B2 15 1
86 Cl* NGC 1960 SAB 157 * 05 36 21.2035981965 +34 05 25.281305816 16.988         ~ 3 0
87 NGC 1960 12 * 05 36 21.2456134790 +34 07 06.435734123   13.182 12.931     ~ 3 0
88 NGC 1960 22 * 05 36 21.5336731683 +34 09 51.114834578   12.387 12.205     ~ 3 0
89 [BNM2013] 60.04 271 * 05 36 21.8121649796 +34 05 34.027222837 18.203         ~ 2 0
90 NGC 1960 11 * 05 36 22.1392609543 +34 07 13.763081685   10.98 10.99     ~ 4 1
91 NGC 1960 39 * 05 36 22.5288944409 +34 06 08.183134609   13.664 13.309     ~ 3 0
92 [BNM2013] 60.01 272 * 05 36 22.5676954870 +33 55 17.857930516 17.698         ~ 2 0
93 [BNM2013] 60.04 259 * 05 36 22.9622302115 +34 03 41.625357036 17.975         ~ 2 0
94 [BNM2013] 60.04 261 * 05 36 23.0151095895 +34 06 16.388395839 18.405         ~ 2 0
95 BD+34 1109 * 05 36 23.0537926168 +34 10 32.673400455 8.29 8.97 8.96     B3 12 0
96 Cl* NGC 1960 SAB 140 * 05 36 23.6535555216 +34 11 02.861762432 16.785 15.877 15.163     ~ 3 0
97 BD+34 1108 * 05 36 23.8384245350 +34 05 57.189236552   9.97 9.92     ~ 8 0
98 NGC 1960 73 * 05 36 24.0253108406 +34 04 43.235923973 15.835   14.57     ~ 3 0
99 NGC 1960 5 * 05 36 24.4406189057 +34 08 28.220294120   13.052 12.824     ~ 3 0
100 NGC 1960 25 * 05 36 25.0175828869 +34 09 17.460691868 16.158 15.341 14.695     ~ 4 0
101 Cl* NGC 1960 SAB 139 * 05 36 25.188 +34 13 04.19   15.897 15.159     ~ 2 0
102 NGC 1960 59 * 05 36 25.6620215515 +34 11 31.115965697   13.407 13.106     ~ 3 0
103 [BNM2013] 60.01 252 * 05 36 26.2914737501 +33 57 57.224022208 16.093         ~ 2 0
104 NGC 1960 34 * 05 36 26.4978635020 +34 07 18.285011092   14.581 13.953     ~ 3 0
105 NGC 1960 36 * 05 36 26.5794996376 +34 06 21.299710254   13.105 12.735     ~ 3 0
106 Cl* NGC 1960 SAB 186 * 05 36 28.023 +34 14 37.12   16.59 15.631     ~ 2 0
107 BD+34 1110 Em* 05 36 28.0300630996 +34 08 30.621519245 8.49 9.60 9.58     B2 18 0
108 NGC 1960 30 * 05 36 28.0438957731 +34 07 49.049867248   11.09 11.23     ~ 4 0
109 [BNM2013] 60.04 648 * 05 36 28.2805168286 +34 08 10.026488442 21.605         ~ 2 0
110 NGC 1960 33 * 05 36 28.36 +34 07 21.5   11.99 11.87     ~ 3 0
111 [SJ2012] 4-260 * 05 36 28.9 +34 13 23           ~ 1 0
112 [BNM2013] 60.01 243 * 05 36 29.0751351597 +34 02 10.007624295 19.578         ~ 2 0
113 NGC 1960 31 * 05 36 29.1060397192 +34 07 42.064364957 15.520 14.659 14.116     ~ 4 0
114 [BNM2013] 60.04 647 * 05 36 29.4513334663 +34 12 15.293582430 20.984         ~ 2 0
115 NGC 1960 28 * 05 36 29.4608711065 +34 08 07.810472351   12.996 12.795     ~ 3 0
116 NGC 1960 69 * 05 36 30.8169128441 +34 06 06.431943962   12.63 12.43     ~ 3 0
117 Cl* NGC 1960 SAB 166 * 05 36 31.7748214042 +34 04 11.712541312 17.341 16.293 15.460     ~ 3 0
118 BD+34 1111 * 05 36 31.9958408040 +34 10 47.273173845   9.10 9.09     B2V: 19 0
119 NGC 1960 64 * 05 36 33.7800633002 +34 08 04.364237985   14.165 13.755     ~ 3 0
120 NGC 1960 67 * 05 36 33.9389686322 +34 07 17.557856347   12.568 12.409     ~ 3 0
121 [BNM2013] 60.01 212 * 05 36 33.9475345241 +33 52 57.302405739 20.036         ~ 2 0
122 NGC 1960 128 * 05 36 34.0894900542 +34 14 50.376975869     13.97     ~ 2 0
123 Cl* NGC 1960 SAB 208 * 05 36 34.566 +34 04 18.25   16.683 15.870     ~ 2 0
124 NGC 1960 109 * 05 36 34.7707983214 +34 03 55.475031308   10.78 10.70     B2I 4 0
125 NGC 1960 108 * 05 36 36.4433329125 +34 04 17.129980375   12.38 12.212     ~ 3 0
126 NGC 1960 62 * 05 36 36.6461 +34 10 24.686   12.04 12.47     ~ 5 0
127 [BNM2013] 60.04 766 * 05 36 36.8357926905 +34 08 25.412258962           ~ 2 0
128 [BNM2013] 60.03 114 * 05 36 39.0632750753 +34 17 57.315178219 18.800         ~ 2 0
129 Cl* NGC 1960 SAB 170 * 05 36 39.1579637020 +34 11 42.721003417 17.796 16.313 15.496     ~ 3 0
130 HD 245239 * 05 36 39.2558002379 +34 03 49.808826430   9.00 8.94     B3 11 0
131 NGC 1960 66 * 05 36 39.7418992833 +34 06 44.771698161   13.844 13.486     ~ 3 0
132 NGC 1960 65 * 05 36 40.87 +34 07 47.2   12.893 12.680     ~ 3 0
133 [BNM2013] 60.04 148 * 05 36 41.0754845450 +34 03 09.874175497 17.007         ~ 2 0
134 BD+34 1113 Be* 05 36 42.3016457049 +34 12 05.946927039 8.59 9.14 9.14     B2 32 0
135 [SJ2012] 4-439 * 05 36 45.8 +34 06 00           ~ 1 0
136 Cl* NGC 1960 SAB 135 * 05 36 48.062 +34 12 09.38   15.917 15.110     ~ 2 0
137 [SJ2012] 4-615 * 05 36 49.3 +34 08 17           ~ 1 0
138 [BNM2013] 60.04 88 * 05 36 51.9460970294 +34 04 35.264029066 19.096         ~ 2 0
139 [BNM2013] 60.04 85 * 05 36 52.8962577105 +34 12 13.295576556 16.703         ~ 2 0
140 [BNM2013] 60.04 55 * 05 36 57.6186212362 +34 06 26.272791289 16.697         ~ 2 0
141 NGC 1960 169 * 05 36 58.6874043534 +34 06 52.776868523 15.533   14.23     ~ 3 0
142 NGC 1960 212 * 05 37 04.8137754752 +34 03 43.189745256 16.222   15.24     ~ 3 0
143 [BNM2013] 60.04 4 * 05 37 11.2706436948 +34 13 38.875193543           ~ 2 0
144 * zet Lep * 05 46 57.3409587 -14 49 19.019943   3.637 3.525     A2IV-V(n) 277 0
145 NGC 2232 OpC 06 27 15 -04 45.5           ~ 129 0
146 NGC 2547 OpC 08 09 52.360 -49 10 35.01           ~ 303 0
147 IC 2391 OpC 08 40 32 -53 02.0           ~ 708 0
148 NAME Lower Centaurus Crux As* 12 19 -57.1           ~ 338 1
149 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 534 0
150 NAME Upper Centaurus Lupus As* 15 24 -41.9           ~ 345 1
151 NAME Upper Sco Association As* 16 12 -23.4           ~ 972 1
152 NAME ASSOC II SCO As* 16 15 -24.2           ~ 1088 1
153 IC 4665 OpC 17 46 18 +05 43.0           ~ 308 0
154 HD 172555 PM* 18 45 26.9004853 -64 52 16.539796   4.967 4.767     A7V 227 0
155 * eta Tel ** 19 22 51.20620 -54 25 26.1473   5.035 5.020   4.99 A0V+M7/8V 182 0
156 Ass Ori OB 1a As* ~ ~           ~ 189 0

    Equat.    Gal    SGal    Ecl

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2020.01.28-14:01:58

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