2003ApJ...586.1127R

Query : 2003ApJ...586.1127R

2003ApJ...586.1127R - Astrophys. J., 586, 1127-1135 (2003/April-1)

Interactions between a bright young stellar object and the Midcourse Space Experiment infrared-dark cloud G79.3+0.3: an early stage of triggered formation.

REDMAN R.O., FELDMAN P.A., WYROWSKI F., COTE S., CAREY S.J. and EGAN M.P.

Abstract (from CDS):

Millimeter and mid-infrared observations have been made of the dense clumps of dust and gas and of young stellar objects (YSOs) associated with the bright, compact submillimeter source G79.3+0.3 P1 in the relatively nearby MSX infrared-dark cloud G79.3+0.3. The Gemini mid-infrared observations reported here indicate the presence of three YSOs within the cloud. BIMA 3 mm continuum observations show that the brightest of the YSOs is likely to be a Herbig Ae/Be star. High angular resolution molecular line observations suggest that a wind from this star may be triggering collapse in the adjacent molecular cloud. The submillimeter source G79.3+0.3 P1 itself does not contain infrared sources and may represent an earlier stage of star formation.

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Journal keyword(s): ISM: Dust, Extinction - ISM: Clouds - Stars: Formation - Stars: Pre-Main-Sequence

Nomenclature: Fig.1: [CFR2000] G79.3+0.3 PN (Nos P4-P5) added. Table 2: [RFW2003] G79.3+0.3 P1 A (Nos A-C).

Simbad objects: 15

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Number of rows : 15
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 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0Va 2687 1
2 NAME Northern Coalsack DNe 20 21 +37.0           ~ 117 0
3 QSO B2023+336 BLL 20 25 10.84210426 +33 43 00.2143556       0   ~ 172 1
4 [CFR2000] G079.3+0.3 P3 cor 20 31 57.1123 +40 18 22.717           ~ 13 0
5 [PWC2006] NH3 G79.27+0.38 Cld 20 31 59.61 +40 18 26.4           ~ 11 0
6 GAL 079.3+00.3 DNe 20 32.3 +40 15           ~ 14 1
7 [CFR2000] G079.3+0.3 P1 DNe 20 32 21.8 +40 20 08           ~ 7 0
8 [PWC2006] NH3 G79.34+0.33 Cld 20 32 21.803 +40 20 08.00           ~ 13 0
9 IRAS 20305+4010 Y*O 20 32 22.08624 +40 20 17.1600           ~ 14 0
10 18P 59 HII 20 32 31.2 +40 16 35           ~ 71 0
11 EM* MWC 349 ** 20 32 45.499080 +40 39 36.74124   15.88 13.15 12.13   Bep 801 0
12 * bet Peg LP* 23 03 46.45746 +28 04 58.0336 6.05 4.09 2.42 0.92 -0.40 M2.5II-III 593 1
13 [CFR2000] G079.3+0.3 P4 smm ~ ~           ~ 1 0
14 [CFR2000] G079.3+0.3 P5 smm ~ ~           ~ 1 0
15 [CFR2000] G079.3+0.3 P2 smm ~ ~           ~ 1 0

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