2008ApJ...681..428C


Query : 2008ApJ...681..428C

2008ApJ...681..428C - Astrophys. J., 681, 428-452 (2008/July-1)

The balloon-borne large aperture submillimeter telescope (BLAST) 2005: a 4 deg2 galactic plane survey in Vulpecula (l = 59°).

CHAPIN E.L., ADE P.A.R., BOCK J.J., BRUNT C., DEVLIN M.J., DICKER S., GRIFFIN M., GUNDERSEN J.O., HALPERN M., HARGRAVE P.C., HUGHES D.H., KLEIN J., MARSDEN G., MARTIN P.G., MAUSKOPF P., NETTERFIELD C.B., OLMI L., PASCALE E., PATANCHON G., REX M., SCOTT D., SEMISCH C., TRUCH M.D.P., TUCKER C., TUCKER G.S., VIERO M.P. and WIEBE D.V.

Abstract (from CDS):

We present the first results from a new 250, 350, and 500 µm Galactic plane survey taken with the Balloon-borne Large-Aperture Submillimeter Telescope (BLAST) in 2005. This survey's primary goal is to identify and characterize high-mass protostellar objects (HMPOs). The region studied here covers 4 deg2 near the open cluster NGC 6823 in the constellation Vulpecula (ℓ=59°). We find 60 compact sources (<60" diameter) detected simultaneously in all three bands. Their SEDs are constrained through BLAST, IRAS, Spitzer MIPS, and MSX photometry, with inferred dust temperatures spanning ∼12-40 K assuming a dust emissivity index β=1.5. The luminosity-to-mass ratio, a distance-independent quantity, spans ∼0.2-130 LM–1. Distances are estimated from coincident 13CO(1⟶0) velocities combined with a variety of other velocity and morphological data in the literature. In total, 49 sources are associated with a molecular cloud complex encompassing NGC 6823 (distance ∼2.3 kpc), 10 objects with the Perseus arm (∼8.5 kpc), and one object is probably in the outer Galaxy (∼14 kpc). Near NGC 6823, the inferred luminosities and masses of BLAST sources span ∼40-104 L and ∼15-700 M, respectively. The mass spectrum is compatible with molecular gas masses in other high-mass star-forming regions. Several luminous sources appear to be ultracompact H II regions powered by early B stars. However, many of the objects are cool, massive gravitationally bound clumps with no obvious internal radiation from a protostar, and hence excellent HMPO candidates.

Abstract Copyright:

Journal keyword(s): Balloons - ISM: Clouds - Stars: Formation - Submillimeter

VizieR on-line data: <Available at CDS (J/ApJ/681/428): table2.dat table3.dat table4.dat table5.dat>

Nomenclature: Table 2, col(1): [CAB2008] VNN (Nos V01-V60) = Table 2, col(2): BLAST JHHMMSS+DDMMSS N=60.

Simbad objects: 78

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Number of rows : 78
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 NAME Per Arm PoG 03 30 +45.0           ~ 1407 0
2 NAME VELA MOL RIDGE MoC 08 53 -45.0           ~ 141 0
3 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2847 4
4 NAME Sgr Arm PoG 19 00 -30.0           ~ 597 1
5 GRSMC 45.6+0.3 MoC 19 13.8 +11 24           ~ 16 0
6 IRAS 19364+2252 IR 19 38 33.7 +22 59 16           ~ 1 0
7 IRAS 19364+2258 Y*O 19 38 36.832 +23 05 43.56           ~ 6 0
8 BLAST J193849+230839 HII 19 38 47.10 +23 08 28.1           ~ 17 1
9 IRAS 19368+2239 HII 19 38 57.0 +22 46 27           ~ 19 0
10 BLAST J193921+224401 smm 19 39 21 +22 44.0           ~ 1 0
11 MSX6C G059.6032+00.9116 HII 19 39 34.8 +23 59 51           ~ 21 0
12 IRAS 19376+2317 * 19 39 44.6648775456 +23 24 56.896033824           ~ 1 0
13 IRAS 19385+2245 AB? 19 40 39.8002045368 +22 52 33.515070852           ~ 2 0
14 IRAS 19386+2403 MIR 19 40 44.6 +24 09 13           ~ 1 0
15 IRAS 19388+2357 Y*O 19 40 59.1 +24 04 46           ~ 28 0
16 AGAL G059.789+00.631 Y*O 19 41 03.0934 +24 01 14.877           ~ 10 0
17 IRAS 19389+2233 IR 19 41 04.1 +22 41 03           ~ 2 0
18 [OPC2015] l59-282 cor 19 41 04.7023 +23 55 23.996           ~ 5 0
19 [OPC2015] l59-104 cor 19 41 36.3879 +23 23 24.663           ~ 5 0
20 IRAS 19395+2313 IR 19 41 42.7 +23 20 37           ~ 4 0
21 MSX6C G059.2468+00.1413 MIR 19 41 44.2 +23 18 26           ~ 1 0
22 MSX6C G059.1886+00.1053 AB? 19 41 44.81 +23 14 19.7           ~ 3 0
23 IRAS 19396+2342 FIR 19 41 46.2 +23 49 31           ~ 1 0
24 IRAS 19397+2315 * 19 41 50.3710646376 +23 22 59.001072384           ~ 4 0
25 IRAS 19397+2309 IR 19 41 54.8693116536 +23 16 23.215741716           ~ 1 0
26 LS II +23 17 Be* 19 42 05.5316879904 +23 18 59.582109564 11 11.20 10.42     B0IVe 26 0
27 BLAST J194213+232305 smm 19 42 13 +23 23.1           ~ 1 0
28 BLAST J194217+231958 smm 19 42 17 +23 20.0           ~ 1 0
29 BLAST J194226+234532 smm 19 42 26 +23 45.5           ~ 1 0
30 NGC 6820 GNe 19 42 27.930 +23 05 14.75       14.56   ~ 48 0
31 MSX6C G059.7944+00.2448 MIR 19 42 31.8 +23 50 02           ~ 1 0
32 IRAS 19404+2335 MIR 19 42 32.400 +23 42 54.59           ~ 2 0
33 MSX6C G059.4101+00.0188 MIR 19 42 33.2 +23 23 17           ~ 1 0
34 MSX6C G059.7161+00.1938 MIR 19 42 33.2 +23 44 27           ~ 1 0
35 IRAS 19404+2342 MIR 19 42 34.9 +23 50 20           ~ 6 0
36 IRAS 19406+2333 HII 19 42 44.031 +23 40 33.39           ~ 3 0
37 BLAST J194246+225536 smm 19 42 46 +22 55.6           ~ 1 0
38 NAME NIPSS 1548C27 IRS 1 HII 19 42 55.1 +23 24 15           ~ 7 0
39 [WWS2012] G059.15-00.27 cor 19 43 04.678 +23 01 14.26           ~ 6 0
40 ISOGAL-P J194306.5+232434 Y*? 19 43 06.810 +23 24 28.77           ~ 3 0
41 NGC 6823 OpC 19 43 11 +23 19.3   7.71 7.1     ~ 260 2
42 MSX6C G059.4762-00.1087 * 19 43 10.6293978000 +23 22 54.665738544           ~ 1 0
43 BLAST J194311+232010 smm 19 43 11 +23 20.2           ~ 1 0
44 MSX6C G059.7831+00.0648 Y*O 19 43 11.2464 +23 44 03.270           ~ 132 0
45 IRAS 19410+2336 SFR 19 43 11.5 +23 44 06           ~ 149 0
46 LBN 059.38-00.15 HII 19 43 12 +23 15.0           ~ 19 1
47 [OPC2015] l59-31 cor 19 43 17.644 +23 26 31.42           ~ 5 0
48 IRAS 19411+2306 cor 19 43 17.9613824400 +23 14 01.619818008           ~ 42 0
49 BLAST J194319+233906 smm 19 43 19 +23 39.1           ~ 1 0
50 2MASS J19432778+2356535 Y*O 19 43 27.784 +23 56 53.51           ~ 10 0
51 IRAS 19413+2358 Mi* 19 43 27.8158936008 +24 07 20.131185432           ~ 4 0
52 MSX6C G059.4040-00.2267 MIR 19 43 28.1 +23 15 39           ~ 1 0
53 MSX6C G059.8256+00.0150 Y*O 19 43 28.2 +23 44 48           ~ 2 0
54 MSX6C G059.4779-00.1855 AB? 19 43 28.3504 +23 20 42.522           ~ 3 0
55 MSX6C G059.7654-00.0269 HII 19 43 29.8 +23 40 25           ~ 24 0
56 BLAST J194331+235728 smm 19 43 31 +23 57.5           ~ 1 0
57 BLAST J194333+231445 smm 19 43 33 +23 14.7           ~ 1 0
58 MSX6C G059.5840-00.1506 MIR 19 43 34.2 +23 27 17           ~ 1 0
59 BLAST J194335+235332 smm 19 43 35 +23 53.5           ~ 1 0
60 BLAST J194338+231725 smm 19 43 38 +23 17.4           ~ 1 0
61 MSX6C G059.9881+00.0550 MIR 19 43 40.3 +23 54 27           ~ 1 0
62 MSX6C G059.4982-00.2365 HII 19 43 42.5 +23 20 15           ~ 2 0
63 BLAST J194344+240005 smm 19 43 44 +24 00.1           ~ 1 0
64 MSX6C G059.5738-00.2046 MIR 19 43 45.2 +23 25 08           ~ 1 0
65 MSX6C G059.7355-00.1264 NIR 19 43 48.480 +23 35 53.79           ~ 1 0
66 IRAS 19416+2301 Y*O 19 43 48.81 +23 08 34.0           ~ 3 0
67 IRAS 19416+2312 MIR 19 43 49.0 +23 18 17           ~ 1 0
68 IRAS 19416+2321 cor 19 43 50 +23 28.6           ~ 20 2
69 BLAST J194351+234625 smm 19 43 51 +23 46.4           ~ 1 0
70 MSX6C G059.5934-00.2648 MIR 19 44 01.4 +23 24 21           ~ 1 0
71 BLAST J194404+234418 smm 19 44 04 +23 44.3           ~ 1 0
72 Hen 2-446 Em* 19 44 05.2594654584 +23 26 47.957139636   15.87 14.82 14.97   B:e: 38 2
73 BLAST J194409+230437 smm 19 44 09 +23 04.6           ~ 1 0
74 IRAS 19422+2335 MIR 19 44 24.1880353968 +23 42 41.471093160           ~ 1 0
75 MSX6C G059.7877-00.2622 MIR 19 44 26.2 +23 34 32           ~ 1 0
76 NAME Cyg X Cld 20 28 41 +41 10.2           ~ 740 1
77 NAME Aql Region reg ~ ~           ~ 359 0
78 NAME Vulpecula Region reg ~ ~           ~ 29 0

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2022.10.01-22:39:37

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