2003A&A...399...51G

Query : 2003A&A...399...51G

2003A&A...399...51G - Astronomy and Astrophysics, volume 399, 51-61 (2003/2-3)

GHASP: An Hα kinematic survey of spiral and irregular galaxies. II. Velocity fields and rotation curves of 15 galaxies.

GARRIDO O., MARCELIN M., AMRAM P. and BOISSIN O.

Abstract (from CDS):

We present Fabry-Perot images obtained during the GHASP survey (Gassendi Hα survey of SPirals). We have derived the Hα maps, the 2D velocity fields and the rotation curves for a new set of 15 galaxies, increasing the sample we plan to build. The majority of the objects studied here are late-type spirals (Sc-Sdm) and irregular galaxies. Only 8 galaxies have a regular and symmetric rotation curve (two of them have a solid-body rotation curve) and they are all of morphological type earlier than 8≃Sd. Five galaxies present an irregular rotation curve and they are all very late-type galaxies (t≥8.8). For one galaxy, UGC 2053, no rotation curve could be derived, and for another one, UGC 11300, both sides have completely different behaviors. All of them have already been observed in HI by the WHISP survey led at Westerbork, for which GHASP brings an interesting complement.

Abstract Copyright: ∼

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

Simbad objects: 15

Full paper

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Number of rows : 15

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2023	#notes
1	NGC 278	H2G	00 52 04.3452013728	+47 33 01.675026036		10.5			~	230	1
2	IC 1727	GiP	01 47 29.890	+27 20 00.06		12.54	11.98	11.77	~	194	0
3	NGC 672	GiP	01 47 54.4764771528	+27 25 58.020709728	12.04	11.60	11.09	10.81	~	278	0
4	UGC 2023	GiG	02 33 18.12	+33 29 25.5		14.9		13.59	~	86	0
5	UGC 2053	G	02 34 29.31	+29 44 59.4		15.7			~	56	0
6	UGC 2082	GiG	02 36 16.152	+25 25 25.75		14.00			~	109	0
7	UGC 2855	H2G	03 48 20.731	+70 07 58.37		14.6			~	135	2
8	NGC 6412	GiG	17 29 37.522	+75 42 15.59		12.40			~	138	0
9	NGC 6643	G	18 19 46.370	+74 34 06.23		11.80			~	300	1
10	IC 1291	LSB	18 33 52.573	+49 16 42.86		14.2			~	45	1
11	NAME UGC 11283 companion	G	18 34 00.6	+49 22 19		16			~	9	0
12	NGC 6689	G	18 34 50.244	+70 31 26.00		12.60			~	117	0
13	UGC 11891	G	22 03 33.8	+43 44 57		15.5			~	42	0
14	NGC 7231	GiG	22 12 30.117	+45 19 42.43		14.0			~	53	0
15	UGC 12212	G	22 50 30.2654507664	+29 08 19.524600636		16.0			~	38	0

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