2009AJ....138.1116S


C.D.S. - SIMBAD4 rel 1.7 - 2019.12.16CET00:24:14

2009AJ....138.1116S - Astron. J., 138, 1116-1136 (2009/October-0)

A Spitzer view of the young open cluster NGC 2264.

SUNG H., STAUFFER J.R. and BESSELL M.S.

Abstract (from CDS):

We have performed mid-IR photometry of the young open cluster NGC 2264 using the images obtained with the Spitzer Space Telescope Infrared Array Camera and Multiband Imaging Photometer for Spitzer instruments and presented a normalized classification scheme of young stellar objects in various color-color diagrams to make full use of the information from multicolor photometry. These results are compared with the classification scheme based on the slope of the spectral energy distribution (SED). From the spatial distributions of Class I and II stars, we have identified two subclusterings of Class I objects in the CONE region of Sung et al. The disked stars in the other star-forming region S Mon are mostly Class II objects. These three regions show a distinct difference in the fractional distribution of SED slopes as well as the mean value of SED slopes. The fraction of stars with primordial disks is nearly flat between log m = 0.2 and -0.5 and that of transition disks is very high for solar mass stars. In addition, we have derived a somewhat higher value of the primordial disk fraction for NGC 2264 members located below the main pre-main-sequence locus (so-called BMS stars). This result supports the idea that BMS stars are young stars with nearly edge-on disks. We have also found that the fraction of primordial disks is very low near the most massive star S Mon and increases with distance from S Mon.

Abstract Copyright:

Journal keyword(s): open clusters and associations: individual: NGC 2264 - planetary systems: protoplanetary disks - stars: formation - stars: pre-main sequence

VizieR on-line data: <Available at CDS (J/AJ/138/1116): table1.dat table2.dat table3.dat table5.dat>

Nomenclature: Table 1: [SSB2009] SST NNNNN (Nos 1-21991).

Status in Simbad:  could be processed

Simbad objects: 48

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Number of rows : 48

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 NGC 1333 SFR 03 28 55 +31 22.2   10.9       ~ 1187 1
2 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1012 0
3 IC 348 OpC 03 44 34 +32 09.8           ~ 1207 1
4 NAME Tau-Aur Region SFR 04 30 +25.0           ~ 1185 1
5 NAME Taurus Dark Cloud SFR 04 41.0 +25 52           ~ 3338 0
6 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14392 1
7 * psi01 Ori Be* 05 24 44.8269466961 +01 50 47.202396831 3.83 4.76 4.96 5.04 5.26 B1Vn 319 0
8 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 1912 1
9 * tet01 Ori C ** 05 35 16.46375 -05 23 22.8486 4.20 5.15 5.13 4.91 4.73 O7Vp 1257 1
10 NAME Trapezium Cluster As* 05 35 16.5 -05 23 14           ~ 1436 1
11 NAME Ori Region reg 05 35 17.30 -05 23 28.0           ~ 466 0
12 M 42 HII 05 35 17.3 -05 23 28           ~ 3665 0
13 NAME Ori I As* 05 38 -02.8           ~ 546 0
14 * sig Ori Y*O 05 38 44.7665260139 -02 36 00.284709290 2.54 3.58 3.79 3.87 4.11 O9.5V 731 0
15 M 78 RNe 05 46 45.8 +00 04 45   8.0       ~ 335 0
16 NGC 2071 RNe 05 47 10 +00 18.0           ~ 604 1
17 NGC 2244 OpC 06 31 55 +04 56.5   5.26 4.8     ~ 556 4
18 NAME Mon I MoC 06 35 +10.1           ~ 204 0
19 EM* LkHA 25 Ae* 06 40 44.6381481431 +09 48 02.146205543 12.745 13.03 12.88 12.545 12.386 B4Ve 129 0
20 V* V346 Mon TT* 06 40 51.9104279401 +09 37 55.832788771 17.154 16.781 16.177 15.71 15.348 A7 18 0
21 NGC 2264 OpC 06 40 58 +09 53.7     3.9     ~ 1553 1
22 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.400 4.640   4.88 O7V+B1.5/2V 740 0
23 NAME NGC 2264 IRS 2 Y*O 06 41 02.7 +09 36 10           ~ 60 0
24 NAME Cone Nebula DNe 06 41.1 +09 53           ~ 73 1
25 2MASS J06410706+0930375 Y*O 06 41 07.07 +09 30 37.5           ~ 4 0
26 HD 47887 pr* 06 41 09.5990835362 +09 27 57.540646250 6.01 6.96 7.14   7.40 B2III: 98 0
27 NAME Mon OB1 D PoC 06 41 09.9 +09 34 34           ~ 50 1
28 NAME Allen's Source Y*O 06 41 10.06 +09 29 35.8           B2 219 0
29 Cl* NGC 2264 LBM 6076 * 06 41 10.16 +09 29 33.7       18.26 17.28 ~ 2 0
30 V* V582 Mon Or* 06 41 10.34 +09 28 33.3   17.404   17.21 16.45 K5 160 0
31 NGC 2362 OpC 07 18 41 -24 57.3     4.1     ~ 354 0
32 * gam02 Vel WR* 08 09 31.95013 -47 20 11.7108 0.64 1.58 1.83 1.85 2.00 WC8+O7.5III-V 829 0
33 * eta Cha * 08 41 19.5144242735 -78 57 48.102318990 5.02 5.351 5.453     B8V 209 0
34 NAME Lup Cloud SFR 16 03 -38.1           ~ 485 0
35 NAME Upper Sco Association As* 16 12 -23.4           ~ 966 1
36 NAME ASSOC II SCO As* 16 15 -24.2           ~ 1081 1
37 * rho Oph ** 16 25 35.11766 -23 26 49.8150 4.30 4.85 4.63 4.27 3.96 B2IV+B2V 593 2
38 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 2945 0
39 M 21 OpC 18 04 13 -22 29.4           ~ 122 0
40 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 888 2
41 NAME Elephant Trunk Nebula MoC 21 36 +57.4           ~ 47 0
42 HD 206267 SB* 21 38 57.6182747705 +57 29 20.557311013 5.09 5.83 5.62   5.56 O6.0V((f))+O9:V 449 0
43 IC 1396 OpC 21 39 00 +57 29.4           ~ 439 1
44 NAME IC 1396 North CGb 21 40 42.6537 +58 16 01.882           ~ 182 1
45 Ass Cep OB 2 As* 21 51 +60.0           ~ 277 0
46 NGC 7160 OpC 21 53 40 +62 36.2   6.34 6.1     ~ 205 0
47 NGC 2264S ? ~ ~           ~ 3 0
48 NAME Gould Belt PoG ~ ~           ~ 691 1

    Equat.    Gal    SGal    Ecl

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2019.12.16-00:24:14

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