1999AJ....118..162H

Query : 1999AJ....118..162H

1999AJ....118..162H - Astron. J., 118, 162-185 (1999/July-0)

A 180 kiloparsec tidal tail in the luminous infrared merger Arp 299.

HIBBARD J.E. and YUN M.S.

Abstract (from CDS):

We present VLA H I observations and University of Hawaii 88 inch (2.2 m) deep optical B- and R-band observations of the IR-luminous merger Arp 299 (=NGC 3690+IC 694). These data reveal a gas-rich (M_HI=3.3x10⁹ M_☉) optically faint (µ_B≳27 mag.arcsec^–2, µ_R_≳26 mag.arcsec^–2) tidal tail with a length of over 180 kpc. The size of this tidal feature necessitates an old interaction age for the merger (≳750 Myr since first periapse), which is currently experiencing a very young starburst (≲20 Myr). The observations reveal a most remarkable structure within the tidal tail: it appears to be composed of two parallel filaments separated by approximately 20 kpc. One of the filaments is gas-rich with little if any starlight, while the other is gas-poor. We believe that this bifurcation results from a warped disk in one of the progenitors. The quantities and kinematics of the tidal H I suggest that Arp 299 results from the collision of a retrograde Sab-Sb galaxy (IC 694) and a prograde Sbc-Sc galaxy (NGC 3690) that occurred 750 Myr ago and will merge into a single object in roughly 60 Myr. We suggest that the present IR-luminous phase in this system is due in part to the retrograde spin of IC 694. Finally, we discuss the apparent lack of tidal dwarf galaxies within the tail.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Evolution - Galaxies: Individual: NGC Number: NGC 3690 - galaxies: individual (IC 694, Arp 299) - Galaxies: Interactions - Galaxies: ISM - Galaxies: Kinematics and Dynamics - Galaxies: Peculiar - Galaxies: Starburst - Infrared Radiation

CDS comments: Table 3: Companion not identified at the given positions.

Simbad objects: 40

Full paper

View the references in ADS

Number of rows : 40

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	NAME Magellanic Stream	HVC	00 32	-30.0						~	1079	1
2	NGC 247	LSB	00 47 08.554	-20 45 37.44	10.11	9.61	9.10	8.87		~	480	2
3	NGC 253	SyG	00 47 33.134	-25 17 19.68		8.03		6.94	8.1	~	3588	2
4	NGC 520	AGN	01 24 35.07120	+03 47 32.6760	12.41	12.24	11.42			~	528	3
5	NAME LMC	G	05 23 34.6	-69 45 22			0.4			~	19090	0
6	NGC 2444	AG?	07 46 53.0555407896	+39 01 55.100891208		13.1				~	110	1
7	NGC 2445	GiP	07 46 55.1013582528	+39 00 54.455374152		13.1				~	71	0
8	NGC 2535	GiG	08 11 13.484	+25 12 24.97		13.5	12.60			~	185	0
9	APG 82	PaG	08 11 14.0	+25 12 25						~	146	0
10	NGC 2536	GiG	08 11 15.9239979960	+25 10 45.549680232		14.8	13.93			~	96	0
11	NGC 2782	Sy2	09 14 05.11967	+40 06 49.6800	12.29	12.30	11.63			~	494	3
12	M 81	Sy2	09 55 33.1726556496	+69 03 55.062505368		7.89	6.94			~	4725	3
13	M 82	AGN	09 55 52.430	+69 40 46.93	9.61	9.30	8.41			~	6156	6
14	NGC 3561	LIN	11 11 13.1887412409	+28 41 47.044176908		14.7				~	202	2
15	VV 118e	G	11 28 25.83	+58 34 20.7						~	2	0
16	MCG+10-17-002a	G	11 28 26.5	+58 34 14						~	5	0
17	IC 694	AG?	11 28 27.312	+58 34 42.29		18.2				~	258	2
18	NGC 3690C	G	11 28 30.70	+58 33 48.4						~	351	0
19	[ZWM2003] 2	PoG	11 28 30.7	+58 33 49						~	39	0
20	NGC 3690	IG	11 28 31.0	+58 33 41		13.19	12.86			~	1015	4
21	GSW B	PoG	11 28 30.99	+58 33 40.5						~	24	1
22	NGC 3690B	GiP	11 28 31.02	+58 33 40.7		11.8				~	635	4
23	GSW C'	PoG	11 28 31.02	+58 33 49.4						~	25	0
24	NGC 3690NE	AGN	11 28 33.07	+58 33 54.2		11.8				~	635	4
25	[ZWM2003] 16	PoG	11 28 33.7	+58 33 47						~	40	1
26	MCG+10-17-005	IG	11 28 45.8500774416	+58 35 36.676808628		16		16.10		~	16	1
27	NGC 3921	LIN	11 51 06.8803989360	+55 04 43.414457484		13.4	12.64			~	260	1
28	NGC 4038	EmG	12 01 53.002	-18 52 03.32		10.91		9.74	11.0	~	1364	1
29	NAME Antennae	IG	12 01 53.170	-18 52 37.92						~	1749	0
30	NGC 4039	GiP	12 01 53.51	-18 53 10.3		11.08		9.77		~	1173	1
31	NGC 4631	GiC	12 42 08.009	+32 32 29.44		9.78	9.19	9.10		~	1154	3
32	NGC 4656	GiP	12 43 57.6889089768	+32 10 13.345914504		10.96	10.52			~	385	3
33	NGC 4725	Sy2	12 50 26.5716367992	+25 30 02.733090588		13.45	12.44			~	727	2
34	NGC 4747	GiP	12 51 45.592	+25 46 30.12		13.2				~	178	1
35	NGC 5018	GiP	13 13 01.0452720960	-19 31 05.649751992		11.71		10.31		~	335	1
36	NGC 7252	AGN	22 20 44.7748209648	-24 40 41.909518200	12.26	12.46	12.06	11.57		~	720	1
37	NGC 7714	AGN	23 36 14.1257730600	+02 09 18.197422668		14.91	14.36			~	788	1
38	APG 284	PaG	23 36 19	+02 09.3		12.6				~	608	0
39	NGC 7715	GiP	23 36 21.768	+02 09 25.30		11.81	12.14			~	142	0
40	MCG-01-60-021	LIN	23 41 47.285	-03 40 01.90	14.88	14.50	13.57			~	95	1

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