2013MNRAS.429..775L

Query : 2013MNRAS.429..775L

2013MNRAS.429..775L - Mon. Not. R. Astron. Soc., 429, 775-791 (2013/February-2)

A comprehensive study of NGC 2023 with XMM-Newton and Spitzer.

LOPEZ-GARCIA M.A., LOPEZ-SANTIAGO J., ALBACETE-COLOMBO J.F., PEREZ-GONZALEZ P.G. and DE CASTRO E.

Abstract (from CDS):

Nearby star-forming regions are ideal laboratories to study high-energy emission of different stellar populations, from very massive stars to brown dwarfs. NGC 2023 is a reflection nebula situated to the south of the Flame Nebula (NGC 2024) and at the edge of the H ii region IC 434, which also contains the Horsehead Nebula (Barnard 33). NGC 2023, NGC 2024, Barnard 33 and the surroundings of the O-type supergiant star ζ Ori constitute the south part of the Orion B molecular complex. In this work, we present a comprehensive study of X-ray emitters in the region of NGC 2023 and its surroundings. We combine optical and infrared data to determine physical properties (mass, temperature, luminosity and the presence of accretion discs) of the stars detected in an XMM-Newton observation. This study has allowed us to analyse spectral energy distribution of these stars for the first time and determine their evolutionary stage. Properties of the X-ray emitting plasma of these stars are compared to those found in other nearby star-forming regions. The results indicate that the stars that are being formed in this region have characteristics, in terms of physical properties and luminosity function, similar to those found in the Taurus-Auriga molecular complex.

Abstract Copyright: © 2012 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2012)

Journal keyword(s): stars: coronae - stars: pre-main-sequence - open clusters and associations: general - X-rays: stars

VizieR on-line data: <Available at CDS (J/MNRAS/429/775): tablea1.dat tablea2.dat tablea3.dat tablea4.dat>

Nomenclature: Table A1-A4: [LLA2013] NN N=37 among (Nos 1-50).

Simbad objects: 64

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Number of rows : 64
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 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1453 0
2 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
3 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2514 0
4 NAME Ori A MoC 05 38 -07.1           ~ 3187 0
5 * sig Ori Y*O 05 38 44.7653828520 -02 36 00.283179888 2.54 3.58 3.79 3.87 4.11 O9.5V+B0.2V(n) 855 0
6 LDN 1641 MoC 05 39.0 -07 00           ~ 502 0
7 * zet Ori ** 05 40 45.52666 -01 56 33.2649 0.50 1.56 1.77 1.85 2.05 O9.7Ib+B0III 375 0
8 2MASS J05405447-0219028 Y*O 05 40 54.4805559672 -02 19 02.812243548         14.06 ~ 14 0
9 NAME Horsehead Nebula DNe 05 40 59.0 -02 27 30           ~ 555 0
10 IC 434 HII 05 41 -02.5           ~ 97 1
11 HD 37805 Y*O 05 41 02.6725474632 -02 18 17.824255956   7.78 7.53   7.23 A8/9V 41 0
12 2MASS J05410382-0221386 Y*O 05 41 03.8242998408 -02 21 38.734792596         14.48 ~ 3 0
13 2MASS J05410688-0223496 Y*O 05 41 06.8894979000 -02 23 49.818277608         14.56 ~ 3 0
14 2MASS J05411222-0227344 Y*O 05 41 12.2338230336 -02 27 34.582623768         17.31 ~ 4 0
15 [YKK2000] A6 Y*O 05 41 21.60 -02 11 09.6           ~ 2 0
16 GBS-VLA J054121.69-021108.3 Y*O 05 41 21.6962420 -02 11 08.387866           ~ 17 0
17 [MSJ2009] L1630MIR-51 Y*O 05 41 24.21 -02 16 06.5           ~ 11 0
18 V* V615 Ori Or* 05 41 24.5019440424 -02 22 36.240502800     13.11   10.99 G7V 31 0
19 HGBS J054125.2-021807 Y*O 05 41 24.930 -02 18 06.75           ~ 42 0
20 [LLA2013] 12 X 05 41 25.70 -02 23 06.0           ~ 1 0
21 HH 248 HH 05 41 26.5 -02 23 03           ~ 9 0
22 2MASS J05412797-0219402 Y*O 05 41 27.9744317016 -02 19 40.297108692     12.83   12.03 ~ 7 0
23 2MASS J05412833-0213596 Y*O 05 41 28.3426219968 -02 13 59.703785724         14.21 M2.0 12 0
24 2MASS J05413169-0210216 Y*O 05 41 31.7053978920 -02 10 21.712509264         15.74 ~ 1 0
25 [MOW87] NGC 2023 HH1 HH 05 41 31.9 -02 17 26           ~ 3 0
26 2MASS J05413195-0217252 Y*O 05 41 31.954 -02 17 25.23           ~ 6 0
27 2MASS J05413271-0213176 Y*O 05 41 32.717 -02 13 17.68           ~ 2 0
28 HH 249 HH 05 41 32.8 -02 23 42           ~ 4 0
29 2MASS J05413472-0217241 Y*O 05 41 34.7277051744 -02 17 24.189559044         14.27 ~ 16 0
30 Haro 5-49 Or* 05 41 36.3946121472 -02 16 46.288930044     17.7   14.75 M3.0 26 0
31 2MASS J05413704-0217178 Y*O 05 41 37.17 -02 17 17.0           ~ 22 0
32 NGC 2023 RNe 05 41 37.9 -02 15 52           ~ 657 1
33 NAME Flame Nebula HII 05 41 42.7 -01 54 44           ~ 715 1
34 NAME Ori B MoC 05 41 43.0 -01 54 44           ~ 1498 0
35 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1198 1
36 2MASS J05414308-0217398 Y*O 05 41 43.0856500608 -02 17 39.846299712     15.2   14.57 ~ 6 0
37 2MASS J05414309-0210262 Y*O 05 41 43.1002857936 -02 10 26.350850928     13.58   12.28 ~ 12 0
38 2MASS J05414316-0203541 Y*O 05 41 43.1675694216 -02 03 54.260959176   14.17 13.15 13.12 11.83 K3e 16 0
39 [LLA2013] 23 X 05 41 43.70 -02 10 22.8           ~ 1 0
40 2MASS J05414423-0216075 Y*O 05 41 44.2359352104 -02 16 07.648892616           ~ 6 0
41 2MASS J05414549-0224162 Y*O 05 41 45.4874506608 -02 24 16.341406704       19.039 17.102 M2.3 13 0
42 2MASS J05414703-0216378 Y*O 05 41 47.0520453432 -02 16 37.988582952     12.39   10.64 ~ 17 0
43 2MASS J05414831-0210405 Y*O 05 41 48.3228671880 -02 10 40.682472168     11.93   11.30 ~ 9 0
44 2MASS J05415140-0229512 Y*O 05 41 51.394176 -02 29 51.40608   12.18 11.24 11.04 10.00 ~ 9 0
45 V* V621 Ori Or* 05 41 52.5874561344 -02 03 51.597824400         12.63 ~ 21 0
46 2MASS J05415556-0223404 Y*O 05 41 55.5746646168 -02 23 40.568974764         15.76 ~ 12 0
47 2MASS J05420905-0208173 TT* 05 42 09.0601293000 -02 08 17.400208776         12.74 K5.5e 5 0
48 2MASS J05421018-0210245 Y*O 05 42 10.1893836816 -02 10 24.739766184     12.60   11.88 ~ 2 0
49 2MASS J05421241-0205097 TT* 05 42 12.4191288888 -02 05 09.793255092     15.7   13.36 M2e 16 0
50 [YKK2000] A13 X 05 42 14.9 -02 06 45           ~ 2 0
51 Haro 5-54 TT* 05 42 15.8677934424 -02 06 46.694302776     12.96   11.75 K2 13 0
52 [YKK2000] A14 X 05 42 16.4 -02 15 06           ~ 2 0
53 2MASS J05421669-0206398 Y*O 05 42 16.7029850088 -02 06 39.999805020         13.76 ~ 9 0
54 2MASS J05421842-0219463 Y*O 05 42 18.4237226688 -02 19 46.404227712         14.29 M1.7 11 0
55 Haro 5-55 Or* 05 42 19.4895005208 -02 15 40.939824492     16.6   14.10 ~ 22 0
56 2MASS J05421990-0211283 Y*O 05 42 19.9064329176 -02 11 28.376696220         15.54 ~ 5 0
57 2MASS J05422108-0215189 Y*O 05 42 21.0844258824 -02 15 18.999760464     13.03   11.28 ~ 1 0
58 2MASS J05422127-0207422 Y*O 05 42 21.2847233232 -02 07 42.335423076         13.67 ~ 4 0
59 2MASS J05423373-0209451 Y*O 05 42 33.7412780472 -02 09 45.186643368         14.48 ~ 3 0
60 2MASS J05423641-0220397 TT* 05 42 36.4193201592 -02 20 39.876577908         13.32 M0e 3 0
61 LDN 1630 DNe 05 45.5 -00 59           ~ 392 0
62 M 78 RNe 05 46 45.8 +00 04 45   8.0       ~ 397 0
63 NGC 2071 RNe 05 47 10 +00 18.0           ~ 661 1
64 IRAS 21124+5247 PN? 21 14 00.8389800936 +52 59 37.173051240       16.21   ~ 10 0

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