2007ApJ...655..364B


Query : 2007ApJ...655..364B

2007ApJ...655..364B - Astrophys. J., 655, 364-374 (2007/January-3)

The Spitzer c2d survey of nearby dense cores. IV. Revealing the embedded cluster in B 59.

BROOKE T.Y., HUARD T.L., BOURKE T.L., BOOGERT A.C.A., ALLEN L.E., BLAKE G.A., EVANS II N.J., HARVEY P.M., KOERNER D.W., MUNDY L.G., MYERS P.C., PADGETT D.L., SARGENT A.I., STAPELFELDT K.R., VAN DISHOECK E.F., CHAPMAN N., CIEZA L., DUNHAM M.M., LAI S.-P., PORRAS A., SPIESMAN W., TEUBEN P.J., YOUNG C.H., WAHHAJ Z. and LEE C.W.

Abstract (from CDS):

Infrared images of the dark cloud core B59 were obtained with the Spitzer Space Telescope as part of the ``Cores to Disks'' Legacy Science project. Photometry from 3.6-70 µm indicates at least 20 candidate low-mass young stars near the core, more than doubling the previously known population. Out of this group, 13 are located within ∼0.1 pc in projection of the molecular gas peak, where a new embedded source is detected. Spectral energy distributions span the range from small excesses above photospheric levels to rising in the mid-infrared. One other embedded object, probably associated with the millimeter source B59-MMS1, with a bolometric luminosity Lbol∼2 L, has extended structure at 3.6 and 4.5 µm, possibly tracing the edges of an outflow cavity. The measured extinction through the central part of the core is AV≳45 mag. The B59 core is producing young stars with a high efficiency.

Abstract Copyright:

Journal keyword(s): Infrared: ISM - Infrared: Stars - ISM: Clouds - Stars: Pre-Main-Sequence

Nomenclature: Table 1: [BHB2007] NN (Nos 1-20).

Simbad objects: 37

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Number of rows : 37
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 NGC 1333 OpC 03 29 11.3 +31 18 36           ~ 1450 1
2 IC 348 OpC 03 44 31.7 +32 09 32           ~ 1393 1
3 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4418 0
4 CoKu Tau-Aur Star 4 TT* 04 41 16.8104181312 +28 40 00.073831728   16.40 14.68 14.59   M1.5e 181 0
5 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1154 1
6 NGC 2264 OpC 06 40 52.1 +09 52 37           ~ 1793 0
7 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3631 1
8 V* V359 Oph Em* 17 08 54.2785920216 -27 12 33.007756320     12.30     K5Ve 15 1
9 CD-27 11501 Ae* 17 10 08.11008 -27 15 19.0116 12.86 12.787 12.225 12.03 10.82 A9:e 143 0
10 2MASS J17110392-2722551 Y*? 17 11 03.9294631032 -27 22 55.199684244           ~ 15 0
11 2MASS J17110411-2722593 ** 17 11 04.1139442152 -27 22 59.489143068           ~ 9 0
12 2MASS J17111182-2726547 Y*? 17 11 11.8258200936 -27 26 54.938099220           ~ 10 0
13 2MASS J17111445-2726543 Y*? 17 11 14.4538872552 -27 26 54.414702060           ~ 7 0
14 2MASS J17111626-2720287 LP* 17 11 16.2599670036 -27 20 28.865521449           ~ 7 0
15 2MASS J17111631-2725144 Y*? 17 11 16.3136421264 -27 25 14.615065668     16.5     ~ 12 0
16 EM* LkHA 346 Y*O 17 11 17.2853820264 -27 25 08.241647988   15       ~ 37 1
17 LDN 1746 DNe 17 11.3 -27 22           ~ 138 0
18 2MASS J17111827-2725491 Y*? 17 11 18.28 -27 25 49.1           ~ 9 0
19 IRAS 17082-2724 Y*O 17 11 21.5353660152 -27 27 41.846549184           ~ 15 0
20 [RNC96] B59-MMS 1 mm 17 11 22.1 -27 24 28           ~ 7 0
21 [BHB2007] 10 Y*O 17 11 22.18 -27 26 02.0           ~ 21 0
22 2MASS J17112317-2724315 ** 17 11 23.17752 -27 24 31.5288           ~ 76 0
23 2MASS J17112508-2724425 Y*? 17 11 25.08 -27 24 42.5           ~ 9 0
24 2MASS J17112701-2723485 Y*? 17 11 27.0122462664 -27 23 48.598921788           ~ 16 0
25 2MASS J17112729-2725283 Y*? 17 11 27.2902600728 -27 25 28.521910992           ~ 10 0
26 2MASS J17112942-2725367 Y*? 17 11 29.4209399616 -27 25 36.936693480           ~ 7 0
27 2MASS J17113036-2726292 Y*? 17 11 30.3704451840 -27 26 29.264689248           ~ 7 0
28 IRAS 17085-2715 Mi* 17 11 40.9842531864 -27 18 36.941917752         16.979 ~ 6 0
29 THA 27-5 Y*? 17 11 41.8335030168 -27 25 47.583314832   15.88 14.27 13.94   ~ 14 0
30 2MASS J17114315-2730584 Y*? 17 11 43.1547515544 -27 30 58.499145684           ~ 4 0
31 EM* LkHA 347 Y*? 17 12 00.1996719552 -27 20 18.072311352   15       ~ 15 0
32 NAME the Pipe Nebula DNe 17 30 -25.0           ~ 403 1
33 * tau Oph ** 18 03 04.91992 -08 10 49.2586 5.22 5.17 4.79     F3IV 100 0
34 LDN 1014 cor 21 24 05.9 +49 59 07           ~ 93 0
35 NAME LDN 1014 IRS Y*O 21 24 07.58 +49 59 08.9           ~ 81 0
36 IC 1396 OpC 21 38 58.8 +57 30 50           ~ 496 1
37 NGC 7129 OpC 21 42 58 +66 06.8     11.5     ~ 260 0

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