2001A&A...367..311L

Query : 2001A&A...367..311L

2001A&A...367..311L - Astronomy and Astrophysics, volume 367, 311-320 (2001/2-3)

A far infrared view of low mass star formation in the Cederblad 110 nebula of Chamaeleon I.

LEHTINEN K., HAIKALA L.K., MATTILA K. and LEMKE D.

Abstract (from CDS):

The Cederblad 110 reflection nebula contains several young stellar objects previously discovered by IRAS and sub-mm observations. This cluster was revisited with ISO's FIR cameras and mapped with higher spatial resolution. All sources were also mapped for the first time near the maximum of their spectral energy distribution at 200µm. In addition, two new FIR-sources were discovered. The new data enabled parameters of the young objects to be determined, such as their luminosity, temperature and mass of the circumstellar dust. These parameters were related to the YSO classes of the various objects ranging from the pure protostar Class O to Class III. Cederblad 110 can be viewed as a compact volume of active low mass star formation in a dense ridge of molecular gas of the Chamaeleon I cloud detected e.g. in HN13C and C18O lines. The star formation efficiency in the 0.001pc3 cluster volume is high; about 20% of the gas is now bound into stars.

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Journal keyword(s): stars: formation - ISM: clouds - ISM: individual objects: Cederblad 110, IRAS 11048-7706, IRAS 11051-7706, IRAS 11057-7706

Nomenclature: Table 1: [PCW91] Ced 110 IRS NN (Nos 10-11) added.

Simbad objects: 29

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Number of rows : 29
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 LDN 1448 DNe 03 22.5 +30 35           ~ 515 0
2 IRAS 03222+3034 Y*O 03 25 22.32 +30 45 13.9           ~ 149 0
3 LDN 1448NA smm 03 25 36.49 +30 45 22.2           ~ 184 1
4 IRAS 03225+3034 IR 03 25 36.49 +30 45 22.2           ~ 159 1
5 SSTc2d J032536.4+304522 Y*O 03 25 36.49 +30 45 22.2           ~ 200 1
6 IRAS F03226+3033 Y*O 03 25 38.83 +30 44 06.2           ~ 335 0
7 [SDA2014] West4 Y*O 03 25 38.83 +30 44 06.2           ~ 256 1
8 IRAS 03258+3104 Y*O 03 28 55.30 +31 14 27.8           ~ 168 1
9 [JCC87] IRAS 2A Y*O 03 28 55.55 +31 14 36.7           ~ 459 3
10 NAME HH 7-11 MMS 2 smm 03 29 03.056 +31 15 51.67           ~ 86 0
11 [JCC87] IRAS 4A Y*O 03 29 10.49 +31 13 30.8           ~ 715 1
12 [JCC87] IRAS 4 FIR 03 29 10.9 +31 13 26           ~ 478 0
13 NGC 1333 OpC 03 29 11.3 +31 18 36           ~ 1450 1
14 [JCC87] IRAS 4B Y*O 03 29 12.058 +31 13 02.05           ~ 600 0
15 HH 50 HH 11 05 49.6 -77 33 10           ~ 31 0
16 HH 49 HH 11 06 00.05 -77 33 36.0           ~ 34 0
17 Ass Cha T 2-21 TT* 11 06 15.3471261840 -77 21 56.720362608   12.58 11.01   9.35 G5Ve 131 0
18 [PCW91] Ced 110 IRS 10 Y*O 11 06 33.38 -77 23 34.6           ~ 69 1
19 IRAS 11051-7706 Y*O 11 06 46.025 -77 22 29.67           ~ 87 0
20 [PMG2001] NIR 76 Y*? 11 06 46.580 -77 22 32.56           ~ 55 0
21 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1154 1
22 [PCW91] Ced 110 IRS 11 Y*O 11 06 58.030 -77 22 48.87           ~ 20 0
23 IRAS 11057-7706 Y*O 11 07 09.19896 -77 23 04.9920           ~ 63 0
24 BRAN 341B RNe 11 08 03.4 -77 39 19           ~ 27 0
25 Ced 112 RNe 11 09 52.4 -76 36 57           ~ 32 0
26 IRAS 12340-7958 LP* 12 37 39.7408011816 -80 15 13.707391932   16.11 14.39 13.63 9.81 ~ 107 0
27 NAME Cha III MoC 12 37.8 -80 15           ~ 140 2
28 NAME Cha II MoC 12 54 -77.2           ~ 337 0
29 NAME rho Oph Complex reg 16 25 -23.5           ~ 79 1

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