2011A&A...535A..16L

Query : 2011A&A...535A..16L

2011A&A...535A..16L - Astronomy and Astrophysics, volume 535A16-16 (2011/11-1)

2MASS wide field extinction maps. IV. The Orion, Monoceros R2, Rosette, and Canis Major star forming regions.

LOMBARDI M., ALVES J. and LADA C.J.

Abstract (from CDS):

We present a near-infrared extinction map of a large region (approximately 2200 deg2) covering the Orion, the Monoceros R2, the Rosette, and the Canis Major molecular clouds. We used robust and optimal methods to map the dust column density in the near-infrared (Nicer and Nicest) towards ∼19 million stars of the Two Micron All Sky Survey (2MASS) point source catalog. Over the relevant regions of the field, we reached a 1-σ error of 0.03 mag in the K-band extinction with a resolution of 3 arcmin. We measured the cloud distances by comparing the observed density of foreground stars with the prediction of galactic models, thus obtaining dOrion A=(371±10)pc, dOrionB=(398±12)pc, dMonR2=(905±37)pc, dRosette=(1330±48)pc, and dCMa=(1150±64)pc, values that compare very well with independent estimates.

Abstract Copyright: ∼

Journal keyword(s): ISM: clouds - ISM: structure - dust, extinction - methods: statistical

Simbad objects: 70

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Number of rows : 70
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 LBN 189.99-37.03 HII 04 01 +00.1           ~ 1 0
2 LDN 1569 MoC 04 02.4 +01 18           ~ 49 0
3 TGU L156 DNe 04 23.3 +10 36           ~ 3 0
4 LDN 1642 MoC 04 35 18 -14 13.9           ~ 157 0
5 LDN 1556 DNe 04 37 22 +16 55.9           ~ 8 0
6 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
7 LDN 1558 DNe 04 46.3 +17 02           ~ 35 0
8 LBN 203.50-30.15 HII 04 47.7 -05 55           ~ 6 0
9 NGC 1788 RNe 05 06 54 -03 20.5   5.8       ~ 35 1
10 GN 05.05.1 RNe 05 07 31 -06 10.3           ~ 2 0
11 LDN 1572 DNe 05 10.8 +10 34           ~ 4 0
12 * bet Ori s*b 05 14 32.27210 -08 12 05.8981 -0.56 0.10 0.13 0.13 0.15 B8Ia 786 0
13 LDN 1589 DNe 05 18.3 +07 23           ~ 12 0
14 MBM 110 MoC 05 20.1 -05 50           ~ 6 0
15 * gam Ori V* 05 25 07.86325 +06 20 58.9318 0.54 1.42 1.64 1.73 1.95 B2III 542 1
16 HVC 227.4-28.6+199 HVC 05 27.4 -24 28           ~ 2 0
17 NAME Barnard's Loop HII 05 27.5 -03 58           ~ 131 1
18 Barnard 30 DNe 05 30.3 +12 46           ~ 56 0
19 IC 423 MoC 05 33 21 -00 38.0           ~ 21 0
20 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2514 0
21 NAME lam Ori Cloud Cld 05 35 06 +09 56.0           ~ 76 0
22 * lam Ori ** 05 35 08.27761 +09 56 02.9611 2.45 3.48 3.66 3.72 3.89 O8IIIf+B0.5V 327 0
23 NGC 1977 OpC 05 35 12.7 -04 48 21           ~ 256 0
24 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
25 NAME Ori Region reg 05 35 17.30 -05 23 28.0           ~ 623 0
26 NAME Ori Complex Cld 05 35.3 -05 23           ~ 481 0
27 NAME lambda Ori Nebula HII 05 37 +09.9           ~ 15 2
28 NAME Ori I As* 05 38 -02.8           ~ 653 0
29 NAME Ori A MoC 05 38 -07.1           ~ 3187 0
30 * 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
31 NAME LDN 1641 South DNe 05 40 27.6 -07 27 28           ~ 65 1
32 NAME Horsehead Nebula DNe 05 40 59.0 -02 27 30           ~ 555 0
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 Barnard 35 DNe 05 45.5 +09 03           ~ 65 0
37 M 78 RNe 05 46 45.8 +00 04 45   8.0       ~ 397 0
38 NGC 2071 RNe 05 47 10 +00 18.0           ~ 661 1
39 LBN 933 RNe 05 47.4 +00 43           ~ 6 0
40 * kap Ori s*b 05 47 45.3888404 -09 40 10.577707 0.87 1.88 2.06 2.09 2.27 B0.5Ia 588 0
41 LDN 1598 DNe 05 52 22.5 +08 13 34           ~ 30 0
42 * alf Ori s*r 05 55 10.30536 +07 24 25.4304 4.38 2.27 0.42 -1.17 -2.45 M1-M2Ia-Iab 1789 0
43 LBN 1019 HII 05 58 -14.2           ~ 1 0
44 LBN 1016 HII 05 58 -13.7           ~ 1 0
45 NGC 2149 RNe 06 03 28.1 -09 43 57           ~ 34 0
46 GN 06.03.6 RNe 06 05 52 -15 39.2   15       ~ 5 0
47 NAME Mon R2 HII 06 07 47.58 -06 22 42.6           ~ 789 2
48 NGC 2170 RNe 06 07 48 -06 23.1           ~ 47 0
49 NAME GGD 12-15 OpC 06 10 48.0 -06 13 15           ~ 159 1
50 TGU H1523 DNe 06 14.1 -09 23           ~ 2 0
51 LBN 1017 HII 06 25 -10.5           ~ 2 0
52 LDN 1652 DNe 06 26.4 -10 02           ~ 17 0
53 LBN 1015 RNe 06 30 -09.6           ~ 6 0
54 V* V578 Mon Y*O 06 32 00.6076651296 +04 52 40.886334120 8.01 8.72 8.55 8.09 8.28 B0V+B1V 127 0
55 NGC 2244 OpC 06 32 06.9 +04 54 19           ~ 673 1
56 NAME Rosette Nebula HII 06 32 26.76 +04 47 37.1           ~ 522 1
57 NAME Rosette Molecular Cloud MoC 06 34.7 +04 02           ~ 277 0
58 NAME Mon I MoC 06 35 +10.1           ~ 268 0
59 GN 06.37.7 RNe 06 39 45 -27 14.9           ~ 2 0
60 LDN 1657B DNe 07 03 59.8 -11 22 18           ~ 5 0
61 LDN 1657 DNe 07 04.1 -10 27           ~ 16 0
62 LDN 1657A DNe 07 05 05.8 -12 18 29           ~ 8 0
63 LBN 1034 HII 07 10 -10.6           ~ 1 0
64 LDN 1667 DNe 07 25.1 -25 46           ~ 12 0
65 NAME Lupus Complex SFR 16 03 -38.1           ~ 851 0
66 NAME rho Oph Complex reg 16 25 -23.5           ~ 79 1
67 LDN 1 DNe 16 28.4 -16 10           ~ 11 0
68 NAME the Pipe Nebula DNe 17 30 -25.0           ~ 442 1
69 NAME CMa Region reg ~ ~           ~ 52 0
70 NAME CMa OB1/R1 reg ~ ~           ~ 9 0

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