Planck intermediate results - XXVIII. Interstellar gas and dust in the Chamaeleon clouds as seen by Fermi LAT and Planck

Home

All issues

Volume 582 (October 2015)

A&A, 582 (2015) A31

Full HTML

Free Access

Table 4

For the whole local complex and for separate substructures: total gas mass; fractions of the total mass in the three gas phases; mean and peak extinctions within the CO boundaries; and mass fractions of the H₂ that is CO dark.

Structure	M_tot	f_{H i}^a	f_DNM	f_{H₂ CO}
	[M_⊙]

Cham complex ...................	58 900 ± 500	0.76 ± 0.01	0.15 ± 0.01	0.08 ± 0.01
Musca ....................................	5100 ± 100	0.70 ± 0.01	0.24 ± 0.01	0.06 ± 0.01
Cha I ....................................	10 200 ± 100	0.64 ± 0.01	0.23 ± 0.01	0.12 ± 0.01
Cha II+III ...........................	7700 ± 100	0.57 ± 0.01	0.19 ± 0.01	0.24 ± 0.01
Cha East I ...........................	3100 ± 100	0.74 ± 0.01	0.10 ± 0.01	0.15 ± 0.01
Cha East II ...........................	10 100 ± 100	0.78 ± 0.01	0.13 ± 0.01	0.08 ± 0.01

			f _{dark H₂} ^b	f _{dark H₂} ^c
	[mag]	[mag]

Cham complex ..................	0.7	7.1	0.48 ± 0.03	0.64 ± 0.04
Musca ....................................	0.9	4.3	0.68 ± 0.05	0.81 ± 0.06
Cha I ....................................	0.8	7.1	0.48 ± 0.03	0.65 ± 0.04
Cha II+III ...........................	0.7	6.5	0.29 ± 0.02	0.45 ± 0.03
Cha East I ...........................	0.4	2.2	0.25 ± 0.02	0.40 ± 0.03
Cha East II ...........................	0.6	2.9	0.45 ± 0.03	0.62 ± 0.04

Notes.

^(a)

For optically thin H i.

^(b)

For a half molecular DNM.

^(c)

For a fully molecular DNM.

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.