2015MNRAS.454.3597D

Query : 2015MNRAS.454.3597D

2015MNRAS.454.3597D - Mon. Not. R. Astron. Soc., 454, 3597-3612 (2015/December-3)

The young cluster NGC 2282: a multiwavelength perspective.

DUTTA S., MONDAL S., JOSE J., DAS R.K., SAMAL M.R. and GHOSH S.

Abstract (from CDS):

We present the analysis of the stellar content of NGC 2282, a young cluster in the Monoceros constellation, using deep optical BVI and INT Photometric Hα Survey (IPHAS) photometry along with infrared (IR) data from UKIRT Infrared Deep Sky Survey and Spitzer-IRAC. Based on the stellar surface density analysis using nearest neighbourhood method, the radius of the cluster is estimated as ∼ 3.15 arcmin. From optical spectroscopic analysis of eight bright sources, we have classified three early B-type members in the cluster, which includes, HD 289120, a previously known B2V-type star, a Herbig Ae/Be star (B0.5 Ve) and a B5 V star. From spectrophotometric analyses, the distance to the cluster has been estimated as ∼ 1.65 kpc. The K-band extinction map is estimated using nearest neighbourhood technique, and the mean extinction within the cluster area is found to be AV ∼ 3.9mag. Using IR colour-colour criteria and Hα-emission properties, we have identified a total of 152 candidate young stellar objects (YSOs) in the region, of which, 75 are classified as Class II, nine are Class I YSOs. Our YSO catalogue also includes 50 Hα-emission line sources, identified using slitless spectroscopy and IPHAS photometry data. Based on the optical and near-IR colour-magnitude diagram analyses, the cluster age has been estimated to be in the range of 2-5Myr, which is in agreement with the estimated age from disc fraction ( ∼ 58 per cent). Masses of these YSOs are found to be ∼ 0.1-2.0 M☉. Spatial distribution of the candidate YSOs shows spherical morphology, more or less similar to the surface density map.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): stars: formation - stars: low-mass - stars: pre-main-sequence - stars: variables: T Tauri, Herbig Ae/Be - HII region - stars: low-mass

VizieR on-line data: <Available at CDS (J/MNRAS/454/3597): table2.dat table3.dat table4.dat>

Nomenclature: Table 2: [DMJ2015] NNNN (Nos 1-5601).

Simbad objects: 163

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Number of rows : 163
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 92- reg 00 55 03.80 +00 47 13.2           ~ 102 0
2 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1153 0
3 NAME Rosette OB Association As* 06 31.7 +04 58           ~ 148 0
4 [DMJ2015] 5595 Or* 06 46 27.0703260600 +01 23 24.655965216   21.320 20.117   18.497 ~ 2 0
5 [DMJ2015] 2089 Or* 06 46 35.0407135896 +01 14 38.944234068           ~ 2 0
6 [DMJ2015] 3109 Or* 06 46 37.8146783592 +01 16 06.753727524           ~ 2 0
7 UCAC2 32166836 * 06 46 39.4714850496 +01 18 39.851798436   14.683 14.037 13.85 13.228 F0V 1 0
8 [DMJ2015] 4 * 06 46 40.0902336072 +01 18 47.230279776   13.935 13.348   12.613 F7V 2 0
9 [DMJ2015] 2636 Y*? 06 46 40.6190614200 +01 21 26.415572436           ~ 1 0
10 [DMJ2015] 2412 Y*? 06 46 41.249 +01 19 33.17           ~ 1 0
11 2MASS J06464362+0121128 Y*? 06 46 43.6431301008 +01 21 12.681172476           ~ 2 0
12 [DMJ2015] 2730 Y*? 06 46 44.898 +01 21 45.35           ~ 1 0
13 [DMJ2015] 2402 Y*? 06 46 45.4184539706 +01 18 53.934477703           ~ 2 0
14 [DMJ2015] 553 Or* 06 46 45.5485317096 +01 18 16.794734976   22.327 20.543   18.352 ~ 3 0
15 [DMJ2015] 5 * 06 46 46.0406135520 +01 18 07.870065336   14.498 13.777   12.974 F9V 2 0
16 [DMJ2015] 665 Or* 06 46 47.1774867480 +01 20 33.112891536   21.735 20.114   17.677 ~ 3 0
17 [HLL97] 92 Y*? 06 46 47.932 +01 17 15.21           ~ 2 0
18 [DMJ2015] 2403 Y*? 06 46 48.190 +01 18 56.99           ~ 1 0
19 [DMJ2015] 576 Or* 06 46 48.5654594088 +01 18 57.324557664   22.525 21.068   18.480 ~ 3 0
20 [DMJ2015] 2418 Y*? 06 46 48.7642030632 +01 19 18.127563564           ~ 1 0
21 [DMJ2015] 603 Or* 06 46 48.8990807160 +01 19 15.238090128   20.628 19.063   16.585 ~ 3 0
22 2MASS J06464895+0118203 Or* 06 46 48.9616495728 +01 18 20.397207420   22.046 20.026   17.391 ~ 3 0
23 [HLL97] 112 Y*? 06 46 49.224 +01 16 05.64           ~ 2 0
24 2MASS J06464929+0120533 Y*? 06 46 49.2932794944 +01 20 53.318574636   15.836 15.176   14.289 ~ 4 0
25 [DMJ2015] 2529 Y*? 06 46 49.410 +01 20 22.20           ~ 1 0
26 [HLL97] 118 Y*? 06 46 49.511 +01 18 37.13           ~ 2 0
27 2MASS J06464968+0118262 Y*? 06 46 49.69 +01 18 26.3           ~ 2 0
28 2MASS J06464985+0119229 Y*? 06 46 49.8591379392 +01 19 22.987192116           ~ 2 0
29 [DMJ2015] 2296 Y*? 06 46 49.998 +01 17 43.26           ~ 1 0
30 [DMJ2015] 2288 Y*? 06 46 50.024 +01 18 47.41           ~ 1 0
31 2MASS J06465006+0118240 Or* 06 46 50.0734424688 +01 18 24.081908940   21.780 21.348   18.023 ~ 3 0
32 [DMJ2015] 2289 Y*? 06 46 50.1170530008 +01 19 00.543807444           ~ 2 0
33 IRAS 06442+0119 Y*? 06 46 50.3093399160 +01 16 35.546556216   15.607 14.674   13.236 B5V 5 0
34 [DMJ2015] 2330 Y*? 06 46 50.3288318592 +01 19 00.363310860           ~ 2 0
35 2MASS J06465036+0118454 Y*? 06 46 50.3582352432 +01 18 45.530179308           ~ 2 0
36 [DMJ2015] 3 * 06 46 50.5484203944 +01 18 04.645402020   15.263 14.285   13.108 K1V 2 0
37 [DMJ2015] 2345 Y*? 06 46 50.7268378824 +01 19 09.626918412           ~ 1 0
38 [DMJ2015] 2279 Y*? 06 46 50.869 +01 17 43.22           ~ 1 0
39 2MASS J06465089+0118200 Or* 06 46 50.9033160600 +01 18 20.145011400   21.335 19.425   16.666 ~ 4 0
40 [DMJ2015] 2311 Or* 06 46 50.9701316064 +01 18 16.547174460           ~ 3 0
41 NGC 2282 RNe 06 46 51 +01 18.9   10       ~ 51 2
42 2MASS J06465100+0118473 Or* 06 46 51.0050350128 +01 18 47.378736072           ~ 3 0
43 [DMJ2015] 3598 Y*? 06 46 51.038 +01 16 15.74           ~ 1 0
44 2MASS J06465124+0118302 Or* 06 46 51.2429583144 +01 18 30.278974248           ~ 3 0
45 [DMJ2015] 1365 Or* 06 46 51.2798235672 +01 18 58.010262588           ~ 3 0
46 [DMJ2015] 2425 Y*? 06 46 51.3023610240 +01 19 26.750221464           ~ 2 0
47 [HLL97] 164 Y*? 06 46 51.355 +01 20 31.81           ~ 2 0
48 2MASS J06465147+0118114 Y*? 06 46 51.4784961120 +01 18 11.259810756     21.096   18.329 ~ 2 0
49 2MASS J06465147+0120263 * 06 46 51.48 +01 20 26.4           ~ 2 0
50 2MASS J06465149+0118229 Or* 06 46 51.4988986128 +01 18 23.010428808           ~ 5 0
51 [DMJ2015] 2331 Y*? 06 46 51.5058496128 +01 19 02.062912152           ~ 1 0
52 [DMJ2015] 581 Or* 06 46 51.5428878312 +01 18 39.984219468   18.232 17.330   15.481 ~ 5 0
53 [HLL97] 172 Y*? 06 46 51.544 +01 18 17.94           ~ 2 0
54 2MASS J06465163+0116251 Y*? 06 46 51.6331533384 +01 16 25.230208728   22.626 20.994   18.446 ~ 2 0
55 HD 289120 * 06 46 51.6352771656 +01 18 56.935508004 9.65 10.346 10.198   9.861 B2V 20 2
56 [DMJ2015] 2328 Y*? 06 46 51.6518269872 +01 18 37.224752760           ~ 1 0
57 [DMJ2015] 2287 Y*? 06 46 51.666 +01 18 43.91           ~ 1 0
58 [DMJ2015] 4318 Or* 06 46 51.6745383120 +01 19 45.160986144           ~ 3 0
59 [DMJ2015] 310 Y*? 06 46 51.7065202992 +01 16 16.584022920   22.750 21.316   19.092 ~ 1 0
60 ZTF J064651.77+011841.6 Or* 06 46 51.7794030864 +01 18 41.576487624   18.344 17.237   15.286 ~ 7 0
61 [DMJ2015] 307 Y*? 06 46 51.9428733480 +01 16 38.282688444   22.465 21.022   18.517 ~ 2 0
62 [DMJ2015] 2303 Or* 06 46 52.0494702168 +01 18 50.719236804           ~ 5 0
63 [DMJ2015] 2300 Y*? 06 46 52.0579124520 +01 18 40.978594368           ~ 1 0
64 2MASS J06465204+0119095 Or* 06 46 52.0670214240 +01 19 09.728148612           ~ 3 0
65 [DMJ2015] 1366 Or* 06 46 52.1128486392 +01 19 01.114892976           ~ 3 0
66 [HLL97] 192 Y*? 06 46 52.135 +01 20 29.00           ~ 2 0
67 [DMJ2015] 2304 Y*? 06 46 52.147 +01 18 56.39           ~ 1 0
68 [DMJ2015] 2317 Y*? 06 46 52.1597041680 +01 18 43.641205380           ~ 2 0
69 [DMJ2015] 2286 Or* 06 46 52.3091088696 +01 18 41.054107896           ~ 3 0
70 [DMJ2015] 2321 Y*? 06 46 52.325 +01 17 35.41           ~ 1 0
71 [DMJ2015] 2301 Y*? 06 46 52.3293917256 +01 18 50.941942560           ~ 1 0
72 [DMJ2015] 4087 Or* 06 46 52.3673285295 +01 18 14.102875640           ~ 2 0
73 [DMJ2015] 2290 Y*? 06 46 52.3817163480 +01 19 02.635216176           ~ 1 0
74 [DMJ2015] 2540 Y*? 06 46 52.540 +01 20 25.07           ~ 1 0
75 [DMJ2015] 321 Or* 06 46 52.6510122480 +01 17 33.317298996   20.811 19.190   16.861 ~ 3 0
76 [DMJ2015] 2315 Y*? 06 46 52.6533625536 +01 18 33.885616428           ~ 2 0
77 [DMJ2015] 621 Or* 06 46 52.6549254360 +01 19 10.442437176     20.268   17.753 ~ 3 0
78 2MASS J06465268+0119292 Or* 06 46 52.6878508008 +01 19 29.267897880   20.867 19.101   16.958 ~ 3 0
79 [DMJ2015] 570 Or* 06 46 52.7981316816 +01 18 29.142572544   19.711 19.124   17.075 ~ 3 0
80 2MASS J06465287+0118490 Or* 06 46 52.8766104855 +01 18 49.043320076     19.778   17.031 ~ 3 0
81 2MASS J06465288+0120313 Y*? 06 46 52.8901734600 +01 20 31.130438388     21.212   18.521 ~ 2 0
82 2MASS J06465291+0118563 Or* 06 46 52.9197227688 +01 18 56.474621424   20.523 18.589   16.354 ~ 5 0
83 [DMJ2015] 2302 Y*? 06 46 52.985 +01 18 46.66           ~ 1 0
84 [HLL97] 227 Y*? 06 46 53.238 +01 20 36.64           ~ 2 0
85 2MASS J06465328+0119496 Y*? 06 46 53.2909164552 +01 19 49.543259628           ~ 3 0
86 2MASX J06465339+0120021 Or* 06 46 53.3963482920 +01 20 01.906303560   19.882 18.414   16.322 ~ 6 0
87 [DMJ2015] 2530 Y*? 06 46 53.477 +01 20 44.97           ~ 1 0
88 [DMJ2015] 4296 Y*? 06 46 53.482 +01 20 40.33           ~ 1 0
89 2MASS J06465352+0118374 Or* 06 46 53.5254272640 +01 18 37.430329824   18.770 17.447   15.252 ~ 5 0
90 [DMJ2015] 2447 Or* 06 46 53.6364121512 +01 18 52.266324240           ~ 3 0
91 [DMJ2015] 2427 Or* 06 46 53.7647439648 +01 19 45.171816708           ~ 2 0
92 [DMJ2015] 614 Or* 06 46 53.8803819312 +01 19 11.428070844   20.944 19.960   18.091 ~ 3 0
93 [HLL97] 243 Y*? 06 46 53.950 +01 18 49.80           ~ 2 0
94 [P85b] 8 ISM 06 46.9 +01 18           ~ 3 0
95 [DMJ2015] 1821 Y*? 06 46 54.189 +01 16 04.91           ~ 1 0
96 [DMJ2015] 72 Y*? 06 46 54.2431529040 +01 21 41.789889612   16.141 15.389   14.319 ~ 3 0
97 [DMJ2015] 313 Y*? 06 46 54.7349718552 +01 17 04.777972944   22.486 20.794   18.599 ~ 2 0
98 [DMJ2015] 2445 Y*? 06 46 54.7355070456 +01 18 43.184355732           ~ 1 0
99 [DMJ2015] 626 Y*? 06 46 54.8893118232 +01 18 45.543461040     20.935   18.183 ~ 2 0
100 [HLL97] 263 Y*? 06 46 55.042 +01 17 28.62           ~ 2 0
101 [HLL97] 264 Y*? 06 46 55.058 +01 18 24.67           ~ 2 0
102 2MASS J06465506+0117226 Y*? 06 46 55.07 +01 17 22.7           ~ 2 0
103 [DMJ2015] 3649 Y*? 06 46 55.113 +01 17 07.03           ~ 1 0
104 [DMJ2015] 4231 Y*? 06 46 55.136 +01 18 54.57           ~ 1 0
105 [HLL97] 269 Y*? 06 46 55.217 +01 16 31.62           ~ 2 0
106 [DMJ2015] 1865 Y*? 06 46 55.388 +01 17 00.21           ~ 1 0
107 [DMJ2015] 3685 Y*? 06 46 55.567 +01 17 01.27           ~ 1 0
108 2MASS J06465557+0117102 Y*? 06 46 55.5693515472 +01 17 10.297038444   21.692 19.240   15.570 ~ 3 0
109 2MASS J06465560+0119409 Or* 06 46 55.6093532904 +01 19 40.990117872   18.908 17.684   16.279 ~ 3 0
110 2MASS J06465562+0119334 Or* 06 46 55.6274109360 +01 19 33.574496916   21.461 20.632   18.010 ~ 3 0
111 [DMJ2015] 625 Or* 06 46 55.6758054216 +01 18 26.889683400   22.385 20.889   17.975 ~ 3 0
112 [DMJ2015] 2463 Y*? 06 46 56.015 +01 19 48.62           ~ 1 0
113 [DMJ2015] 3682 Y*? 06 46 56.072 +01 16 25.09           ~ 1 0
114 [DMJ2015] 2561 Y*? 06 46 56.089 +01 21 47.49           ~ 1 0
115 2MASS J06465635+0120319 Y*? 06 46 56.36 +01 20 32.0           ~ 2 0
116 2MASS J06465636+0117193 Y*? 06 46 56.37 +01 17 19.4           ~ 2 0
117 2MASS J06465642+0116405 Ae* 06 46 56.4281405953 +01 16 40.592783213   16.971 15.934   14.093 B0.5Ve 7 0
118 2MASS J06465650+0121001 Y*? 06 46 56.5065159504 +01 21 00.638992332           ~ 2 0
119 2MASS J06465656+0118598 Y*? 06 46 56.5665197808 +01 18 59.838404940           ~ 2 0
120 [DMJ2015] 2 * 06 46 57.2892800424 +01 17 45.247163640   14.633 13.858   12.913 G8V 3 0
121 2MASS J06465734+0116231 Y*? 06 46 57.3398878200 +01 16 23.128260348           ~ 2 0
122 [DMJ2015] 3674 Y*? 06 46 57.757 +01 16 28.84           ~ 1 0
123 [DMJ2015] 1797 Y*? 06 46 57.946 +01 15 56.72           ~ 1 0
124 2MASS J06465827+0119154 Or* 06 46 58.2712041456 +01 19 15.480043248   21.191 19.498   17.177 ~ 3 0
125 2MASS J06465842+0117541 Y*? 06 46 58.42 +01 17 54.2           ~ 2 0
126 V* V507 Mon EB* 06 46 58.8328528368 +01 19 34.292271180   14.01 13.73 13.67   ~ 11 0
127 [HLL97] 336 Y*? 06 46 59.418 +01 20 27.69           ~ 2 0
128 [DMJ2015] 289 Y*? 06 46 59.5779893448 +01 16 38.585085636   21.829 20.235   17.721 ~ 2 0
129 [DMJ2015] 2426 Y*? 06 46 59.711 +01 19 38.37           ~ 1 0
130 [DMJ2015] 2495 Y*? 06 46 59.7492844848 +01 20 37.448132496           ~ 2 0
131 [DMJ2015] 677 Or* 06 46 59.9695792705 +01 21 54.187459738   21.058 19.616   16.929 ~ 2 0
132 2MASS J06470004+0119105 * 06 47 00.04 +01 19 10.6   21.756 20.361   17.332 ~ 2 0
133 2MASS J06470016+0119211 Y*? 06 47 00.17 +01 19 21.2           ~ 2 0
134 [DMJ2015] 1972 Y*? 06 47 00.437 +01 19 05.79           ~ 1 0
135 2MASS J06470044+0120549 Or* 06 47 00.4424389608 +01 20 54.975114240   23.106 21.697   18.771 ~ 3 0
136 [HLL97] 349 Y*? 06 47 00.520 +01 16 32.94           ~ 2 0
137 [DMJ2015] 1984 Y*? 06 47 00.862 +01 17 26.92           ~ 1 0
138 [HLL97] 357 Y*? 06 47 01.216 +01 17 09.62           ~ 2 0
139 [DMJ2015] 1980 Y*? 06 47 01.395 +01 18 36.15           ~ 1 0
140 [DMJ2015] 1953 Y*? 06 47 01.452 +01 17 40.66           ~ 1 0
141 [DMJ2015] 1786 Y*? 06 47 01.481 +01 16 37.57           ~ 1 0
142 2MASS J06470159+0119010 Y*? 06 47 01.5961070232 +01 19 01.045455528           ~ 2 0
143 2MASS J06470163+0118478 Or* 06 47 01.6400651376 +01 18 47.835252324   21.993 20.670   17.366 ~ 3 0
144 2MASS J06470186+0120479 Or* 06 47 01.8656789520 +01 20 48.053783184   21.092 19.675   17.711 ~ 3 0
145 [DMJ2015] 1982 Y*? 06 47 02.031 +01 19 09.66           ~ 1 0
146 [DMJ2015] 363 Y*? 06 47 02.2990462608 +01 18 25.135410132     21.575   18.713 ~ 2 0
147 [HLL97] 376 Y*? 06 47 02.361 +01 18 57.80           ~ 2 0
148 2MASS J06470244+0119587 Y*? 06 47 02.447 +01 19 58.76           ~ 2 0
149 2MASS J06470270+0119116 Y*? 06 47 02.70 +01 19 11.7   22.694 21.154   18.454 ~ 2 0
150 2MASS J06470312+0118323 Y*? 06 47 03.1243177440 +01 18 32.304081060     20.603   17.993 ~ 3 0
151 [HLL97] 389 Y*? 06 47 03.482 +01 19 15.25           ~ 2 0
152 [DMJ2015] 1999 Y*? 06 47 03.667 +01 19 43.82           ~ 2 0
153 [DMJ2015] 3045 Y*? 06 47 03.9815223144 +01 23 21.695024436           ~ 1 0
154 [DMJ2015] 644 Or* 06 47 04.4768777784 +01 20 39.384613428   20.213 18.882   17.038 ~ 2 0
155 [DMJ2015] 390 Y*? 06 47 05.5282689287 +01 20 06.672143318   22.510 20.532   17.704 ~ 1 0
156 [DMJ2015] 101 Y*? 06 47 06.0955989096 +01 21 15.434140536   16.820 15.659   14.158 ~ 5 0
157 [DMJ2015] 1301 Or* 06 47 06.7885052448 +01 24 42.232605192   16.432 15.771   14.723 ~ 2 0
158 [DMJ2015] 382 Y*? 06 47 08.7983211312 +01 19 37.787993508   20.782 19.114   16.964 ~ 1 0
159 [DMJ2015] 999 Or* 06 47 09.0462832488 +01 20 03.825491460   21.760 20.614   18.160 ~ 2 0
160 [DMJ2015] 1007 Or* 06 47 09.9815043744 +01 21 15.005102004   21.522 19.996   17.577 ~ 2 0
161 [DMJ2015] 1060 Y*? 06 47 13.0033739544 +01 22 06.770453448   20.468 19.016   16.840 ~ 1 0
162 [DMJ2015] 97 Y*? 06 47 13.1137115976 +01 19 35.928124392   13.564 13.103   12.225 ~ 1 0
163 [DMJ2015] 1019 Or* 06 47 13.9043012928 +01 22 01.887364524   22.331 20.851   19.035 ~ 2 0

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