2002A&A...395L...5H

Query : 2002A&A...395L...5H

2002A&A...395L...5H - Astronomy and Astrophysics, volume 395L5-8 (2002/11-3)

The kinetic temperature of Barnard 68.

HOTZEL S., HARJU J. and JUVELA M.

Abstract (from CDS):

We have observed the nearby isolated globule Barnard 68 (B68) in the (J,K)=(1,1) and (2,2) inversion lines of ammonia. The gas kinetic temperature derived from these is T=10±1.2K. The observed line-widths are almost thermal: ΔV=0.181±0.003km/s (ΔVtherm=0.164±0.010km/s), supporting the earlier hypothesis that B68 is in hydrostatic equilibrium. The kinetic temperature is an input parameter to the physical cloud model put forward recently, and we discuss the impact of the new value in this context.

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Journal keyword(s): ISM: individual objects: Barnard 68 - ISM: abundances - ISM: molecules

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 JCMTSE J042747.7+261801 cor 04 27 48 +26 17.9           ~ 8 0
2 LDN 57 DNe 17 22 38.2 -23 49 34           ~ 336 1
3 QSO B1730-130 Bla 17 33 02.70578907 -13 04 49.5482119   18 19.50 18.78 17.39 ~ 1198 1
4 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2541 1

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