EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 497 / No 3 (April III 2009) A&A, 497 3 (2009) 789-804 Full HTML
Free Access
   

Table 4:

Summary of the physical parameters of the BRC sample including IRAS luminosities, CO derived temperatures and densities, and other star formation tracers.
  Lum. T12 $\tau_{18}$ T13/18 log N(H2) UV Flux Tracers
SFO Id. ($L_\odot$) (K)   (K) (cm-2) (108 cm-2 s-1) MSX PS CO Masers Radio

Spontaneous samplea
45 (30) 13.6 $\cdots$ $\cdots$ 21.5 3.93 N      
46 20 14.1 $\cdots$ $\cdots$ 21.0 1.46 $\cdots$      
47 (8400) 24.8 $\cdots$ $\cdots$ 21.4 2.61 Y      
48 (0.83) 8.1 $\cdots$ $\cdots$ 20.8 1.84 $\cdots$      
49 (4300) 26.0 $\cdots$ $\cdots$ 21.8 3.32 Y      
50 (2.2) 6.2 $\cdots$ $\cdots$ <20.7 4.34 $\cdots$      
51 16 13.3 0.25 10.3 22.0 6.99 Y Red wing    
52 22 17.9 0.24 12.1 22.0 1.39 $\cdots$ Wings    
53 (3.4) 17.5 0.20 11.6 21.9 1.47 $\cdots$      
56 23 13.8 $\cdots$ $\cdots$ <20.6 1.13 N      
59 13 000 14.9 $\cdots$ $\cdots$ 21.4 36.79 N     HII region
60 (280) 9.8 $\cdots$ $\cdots$ <21.2 2529.35 Y      
61 750 6.6 $\cdots$ $\cdots$ <20.9 0.16 N      
62 18 000 23.9 $\cdots$ $\cdots$ 21.7 16.07 N     HII region
80 (220) 14.3 $\cdots$ $\cdots$ 21.4 273.77 Y      
81 (38) 14.9 $\cdots$ $\cdots$ 21.1 32.25 N      
83 (110) 4.9 $\cdots$ $\cdots$ <20.7 3.13 N     HII region
86 880 24.8 0.20 11.1 22.2 7.12 N      
    8.4 0.45 7.0 22.0 $\cdots$ N      

Triggered candidate sampleb
57 (210) 32.1 0.07 18.9 22.2 43.48 N Red shoulder   PDR
58 140 34.6 0.07 20.2 22.1 16.15 N Blue shoulder   PDR/UCHII
66 (190) 19.8 0.20 9.5 22.0 6.35 N Wings? H2O/Methanol PDR
67 (470) 29.7 0.20 12.4 22.3 6.75 N Blue Shoulder   PDR
70 490 18.2 $\cdots$ $\cdots$ 21.3 6.7 N     PDR
73 (210) 16.7 0.08 9.8 21.8 18.81 N      
    13.1 0.08 9.8 21.6 $\cdots$ N      
84 450 20.5 $\cdots$ $\cdots$ 21.5 2.24 N     PDR
87 (1400) 37.0 0.17 14.7 22.1 125.95 N      
88 (2200) 30.0 $\cdots$ $\cdots$ 21.8 99.04 N      
89 (39) 11.3 $\cdots$ $\cdots$ 20.9 14.16 N     PDR
54 (1100) 22.5 0.24 12.1 22.5 1.05 Y Wings Methanol PDR/UCHII?
55 350 35.0 0.18 13.2 22.2 2.29 Y Red wing H2O  
64 14 000 24.2 0.08 11.3 22.0 19.66 Y Wings H2O/Methanol PDR/UCHII
65 1100 18.8 0.17 7.9 22.0 4.88 Y     PDR/UCHII?
68 (3400) 25.4 0.19 12.9 22.4 18.39 Y Wings H2O/Methanol PDR
69 (1300) 20.0 $\cdots$ $\cdots$ 21.3 21.16 Y     PDR
71 1500 20.2 0.19 11.7 22.3 $\cdots$ Y Blue wing H2O  
72 (1800) 31.3 0.09 15.5 22.0 81.39 Y Red wing    
74 5500 26.2 0.01 29.8 22.0 5.42 Y     UCHII
75 34 000 41.9 0.20 19.7 22.8 178.60 Y   Methanol PDR
76 5600 35.3 0.04 22.2 22.1 107.15 Y   H2O PDR
79 (4400) 49.0 0.18 18.7 22.7 157.36 Y   H2O UCHII
82 (1500) 31.6 0.17 14.2 22.4 1.08 Y     PDR
85 18 000 36.0 0.05 11.4 22.7 1.08 Y Red wing Methanol PDR/UCHII
a This sample includes all BRCs that show no evidence that they are being photoionised and therefore any star formation occurring within them is unlikely to have been triggered.
b This sample includes all sources found to be associated with a PDR or IBL and are therefore thought to be good candidates for triggered star formation.

Source LaTeX | All tables | In the text

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.