2007ApJ...656..907P

Query : 2007ApJ...656..907P

2007ApJ...656..907P - Astrophys. J., 656, 907-913 (2007/February-3)

Reconstructing deconstruction: high-velocity cloud distance through disruption morphology.

PEEK J.E.G., PUTMAN M.E., McKEE C.F., HEILES C. and STANIMIROVIC S.

Abstract (from CDS):

We present Arecibo L-band Feed Array 21 cm observations of a subcomplex of HVCs at the tip of the anticenter complex. These observations show morphological details that point to interaction with the ambient halo medium and differential drag within the cloud subcomplex. We develop a new technique for measuring cloud distances, which relies on these observed morphological and kinematic characteristics, and show that it is consistent with Hα distances. These results are consistent with distances to HVCs and halo densities derived from models in which HVCs are formed from cooling halo gas.

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Journal keyword(s): Galaxy: Halo - ISM: Clouds - ISM: Kinematics and Dynamics - Radio Lines: ISM

Nomenclature: Fig.1, Table 1: [PPM2007] HVC-A (Nos A, B, C, U, X), [PPM2007] HVC-A fN (Nos f1-f3).

Simbad objects: 5

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Number of rows : 5
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 HVC 156.3-45.1-304 HVC 02 24.7 +11 37           ~ 3 0
2 HVC 160.7-44.8-333 HVC 02 36.2 +10 16           ~ 3 0
3 HVC 162.8-46.3-303 HVC 02 37.8 +08 09           ~ 2 0
4 HVC 166.9-43.2-275 HVC 02 54.8 +08 54           ~ 2 0
5 HVC 160.0-48.4-286 HVC ~ ~           ~ 1 0

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