2013MNRAS.429.2550E

Query : 2013MNRAS.429.2550E

2013MNRAS.429.2550E - Mon. Not. R. Astron. Soc., 429, 2550-2561 (2013/March-1)

Hi synthesis observations of the blue compact dwarf NGC 1705.

ELSON E.C., DE BLOK W.J.G. and KRAAN-KORTEWEG R.C.

Abstract (from CDS):

Australia Telescope Compact Array Hi-line observations of the nearby dwarf galaxy NGC 1705 are presented. The data are used to trace the gravitational potential of the galaxy out to several stellar disc scalelengths. A rotation curve is derived for the system and used to generate mass models. Dark matter dominates the gravitational potential at nearly all galactocentric radii. NFW and pseudo-isothermal sphere halo parametrizations allow for good reproductions of the observations. The models suggest NGC 1705 to have a dark matter halo that is much denser and more compact than previously thought.

Abstract Copyright: © 2012 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2012)

Journal keyword(s): galaxies: dwarf - galaxies: haloes - galaxies: kinematics and dynamics

Simbad objects: 6

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Number of rows : 6
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 ICRF J040820.3-654509 Sy2 04 08 20.37884 -65 45 09.0806     18.0     ~ 207 1
2 NAME NGC 1705 CL* A Cl* 04 54 13.24 -53 21 36.1           ~ 42 0
3 NGC 1705 Sy2 04 54 13.4661493464 -53 21 39.471592428 12.32 12.96 12.56 12.58 12.9 ~ 692 1
4 NGC 2366 H2G 07 28 52.4529 +69 12 38.859 12.25 11.86 11.39 11.33   ~ 801 0
5 IC 2574 AG? 10 28 23.6148831408 +68 24 43.440012756 11.70 11.07 10.87 10.74   ~ 703 1
6 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1332 2

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