2006ApJ...642..861V

Query : 2006ApJ...642..861V

2006ApJ...642..861V - Astrophys. J., 642, 861-867 (2006/May-2)

Dusty sources at the Galactic Center the N- and Q-band views with VISIR.

VIEHMANN T., ECKART A., SCHODEL R., POTT J.-U. and MOULTAKA J.

Abstract (from CDS):

We present mid-infrared N- and Q-band photometry of the Galactic center from images obtained with the mid-infrared camera VISIR at the ESO VLT in 2004 May. The high resolution and sensitivity possible with VISIR enable us to investigate a total of over 60 pointlike sources, an unprecedented number for the Galactic center at these wavelengths. Combining these data with previous results at shorter wavelengths (Viehmann and coworkers) enables us to construct SEDs covering the H- to Q-band regions of the spectrum, i.e., 1.6-19.5 µm. We find that the SEDs of certain types of Galactic center sources show characteristic features. We can clearly distinguish between luminous Northern Arm bow shock sources, lower luminosity bow shock sources, hot stars, and cool stars. This characterization may help clarify the status of currently unclassified sources.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Center - Infrared: Stars

VizieR on-line data: <Available at CDS (J/ApJ/642/861): table1.dat>

Nomenclature: Table 1: [VES2006] NN (Nos 1-64).

Simbad objects: 69

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Number of rows : 69
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 GCIRS 6W * 17 45 39.38 -29 00 26.2           ~ 16 0
2 [VES2006] 24 IR 17 45 39.492 -29 00 29.91           ~ 1 0
3 [BSD96] 33 WR* 17 45 39.54 -29 00 35.0           Ofpe/WN9 43 0
4 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
5 GCIRS 6E WR* 17 45 39.632 -29 00 27.05           Ofpe/WN9 64 0
6 GCIRS 2S * 17 45 39.69 -29 00 32.5           ~ 18 0
7 GCIRS 13E Cl* 17 45 39.73 -29 00 29.7           WN9 133 0
8 GCIRS 34SW IR 17 45 39.743 -29 00 26.66           ~ 5 0
9 GCIRS 2 Em* 17 45 39.7540 -29 00 32.880           ~ 69 0
10 [VES2006] 43 IR 17 45 39.762 -29 00 37.56           ~ 1 0
11 GCIRS 34NE IR 17 45 39.774 -29 00 26.21           ~ 1 0
12 GCIRS 2L * 17 45 39.778 -29 00 32.11           ~ 30 0
13 GCIRS 13W * 17 45 39.78 -29 00 30.5           M0III 22 0
14 GCIRS 3 * 17 45 39.80 -29 00 23.9           ~ 154 0
15 GCIRS 13N * 17 45 39.812 -29 00 29.16           ~ 44 0
16 GCIRS 13NE IR 17 45 39.835 -29 00 29.66           ~ 4 0
17 [VES2006] 46 IR 17 45 39.850 -29 00 30.66           ~ 1 0
18 GCIRS 12N * 17 45 39.86 -29 00 35.7           M0III 61 0
19 [VES2006] 9 IR 17 45 39.880 -29 00 25.96           ~ 1 0
20 GCIRS 29 IR 17 45 39.919 -29 00 26.86           ~ 29 0
21 [VES2006] 60 IR 17 45 39.926 -29 00 28.81           ~ 2 0
22 GCIRS 33SW * 17 45 39.94 -29 00 31.0           ~ 9 0
23 [VES2006] 10 IR 17 45 39.976 -29 00 24.31           ~ 2 0
24 GCIRS 33NW IR 17 45 39.983 -29 00 29.91           ~ 4 0
25 GCIRS 7 LP* 17 45 39.987 -29 00 22.24           M2 388 0
26 GCIRS 20 * 17 45 40.01 -29 00 33.9           M7III 20 0
27 [VES2006] 64 IR 17 45 40.033 -29 00 28.31           ~ 1 0
28 [VES2006] 26 IR 17 45 40.033 -29 00 20.36           ~ 2 0
29 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 4970 3
30 GCIRS 16NW WR* 17 45 40.0451 -29 00 26.847           Ofpe/WN9 144 0
31 GCIRS 14SW * 17 45 40.07 -29 00 37.7           M0III 21 0
32 GCIRS 14NE * 17 45 40.078 -29 00 36.62           M7III 19 0
33 NAME Sgr A West Northern Arm PoG 17 45 40.1 -29 00 28           ~ 22 0
34 [VES2006] 51 IR 17 45 40.136 -29 00 35.31           ~ 1 0
35 GCIRS 15 IR 17 45 40.136 -29 00 17.01           ~ 10 0
36 GCIRS 8 * 17 45 40.14 -28 59 58.7           O 72 0
37 [VES2006] 63 IR 17 45 40.147 -29 00 27.31           ~ 1 0
38 GCIRS 21 WR* 17 45 40.222 -29 00 30.85           WC9 104 0
39 GCIRS 16NE WR* 17 45 40.26 -29 00 27.2           Ofpe/WN9 156 0
40 [VES2006] 41 IR 17 45 40.296 -29 00 24.86           ~ 1 0
41 [VES2006] 34 IR 17 45 40.311 -29 00 39.56           ~ 1 0
42 [VES2006] 31 IR 17 45 40.319 -29 00 33.56           ~ 2 0
43 [VES2006] 4 IR 17 45 40.319 -29 00 26.71           ~ 1 0
44 [VES2006] 3 IR 17 45 40.319 -29 00 26.66           ~ 1 0
45 [VES2006] 28 IR 17 45 40.330 -29 00 21.11           ~ 2 0
46 [VES2006] 32 IR 17 45 40.361 -29 00 35.56           ~ 2 0
47 [VES2006] 33 IR 17 45 40.433 -29 00 38.66           ~ 1 0
48 GCIRS 1W Em* 17 45 40.442 -29 00 27.51           Be? 109 0
49 GCIRS 9 LP* 17 45 40.447 -29 00 34.49           M3III 107 0
50 [VES2006] 5 IR 17 45 40.456 -29 00 29.21           ~ 2 0
51 [VES2006] 2 IR 17 45 40.494 -29 00 27.96           ~ 1 0
52 [VES2006] 40 IR 17 45 40.517 -29 00 32.21           ~ 1 0
53 [VES2006] 39 IR 17 45 40.525 -29 00 31.11           ~ 2 0
54 GCIRS 10W * 17 45 40.5305 -29 00 23.001           ~ 50 0
55 [VES2006] 37 IR 17 45 40.551 -29 00 20.61           ~ 1 0
56 [VES2006] 38 IR 17 45 40.647 -29 00 23.06           ~ 1 0
57 GCIRS 10E * 17 45 40.65 -29 00 23.8           ~ 18 0
58 GCIRS 5 * 17 45 40.700 -29 00 18.51           ~ 57 0
59 GCIRS 5S IR 17 45 40.738 -29 00 20.31           ~ 5 0
60 [VES2006] 12 IR 17 45 40.799 -29 00 37.06           ~ 2 0
61 [VES2006] 16 IR 17 45 40.814 -29 00 18.41           ~ 1 0
62 GCIRS 4 * 17 45 40.837 -29 00 34.16           ~ 21 0
63 GCIRS 5SE1 IR 17 45 40.856 -29 00 21.36           ~ 6 0
64 GCIRS 5SE IR 17 45 40.870 -29 00 21.48           ~ 5 0
65 GCIRS 5E IR 17 45 40.875 -29 00 18.96           ~ 7 0
66 GCIRS 5SE2 IR 17 45 40.887 -29 00 21.56           ~ 4 0
67 [VES2006] 17 IR 17 45 40.902 -29 00 19.76           ~ 1 0
68 GCIRS 5NE IR 17 45 41.020 -29 00 17.66           ~ 6 0
69 [VES2006] 21 IR 17 45 41.028 -29 00 22.81           ~ 1 0

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