2000AJ....120.2355N

Query : 2000AJ....120.2355N

2000AJ....120.2355N - Astron. J., 120, 2355-2362 (2000/November-0)

Deep optical imaging of a compact group of galaxies: Seyfert's sextet.

NISHIURA S., MURAYAMA T., SHIMADA M., SATO Y., NAGAO T., MOLIKAWA K., TANIGUCHI Y. and SANDERS D.B.

Abstract (from CDS):

To investigate the dynamical status of Seyfert's Sextet (SS), we have obtained a deep optical (VR+I) image of this group. Our image shows that a faint envelope, down to a surface brightness µoptical(AB)≃27 mag.arcsec–2, surrounds the member galaxies. This envelope is irregular in shape. It is likely that this shape is attributed either to recent-past or to ongoing galaxy interactions in SS. If the member galaxies have experienced a number of mutual interactions over a long timescale, the shape of the envelope should be rounder. Therefore, the irregularly shaped morphology suggests that SS is in an early phase of dynamical interaction among the member galaxies. It is interesting to note that the soft X-ray image obtained with ROSAT (Pildis, Bregman, & Evrard) is significantly similar in morphology. We discuss the possible future evolution of SS briefly.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Dark Matter - galaxies: individual (Seyfert's Sextet) - galaxies: individual (HCG 79) - X-Rays

Simbad objects: 22

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Number of rows : 22
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 BD+12 237 * 01 49 09.4876255128 +13 33 11.799646344   10.38 10.19     sdA0IVHe1 94 0
2 BAX 043.2159-01.2747 ClG 02 52 49.4 -01 16 27           ~ 104 0
3 NGC 1132 EmG 02 52 51.82 -01 16 29.0   13.9   12.16   ~ 180 0
4 HD 84937 Pe* 09 48 56.0992891997 +13 44 39.326709913 8.49 8.68 8.32 7.97 7.70 F8Vm-5 831 0
5 SA 103- reg 11 55 07 +00 33.4           ~ 5 0
6 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
7 SA 104- reg 12 42 21.0 -00 32 29           ~ 58 0
8 NAME NGC 4636 Group GrG 12 42 49.5 +02 41 08           ~ 570 0
9 NGC 4636 LIN 12 42 49.8333280080 +02 41 15.951929028   12.62 11.84     ~ 1156 1
10 BAX 205.1392+40.2967 ClG 13 40 33.4 +40 17 48           ~ 45 1
11 SA 107- reg 15 39.2 -00 20           ~ 91 0
12 HD 142613 * 15 54 12.3301466016 +32 20 33.629938728   8.50 8.31     A3 18 0
13 NGC 6027A GiG 15 59 10.8358913184 +20 45 43.819011072   13.4   14.21   ~ 70 0
14 NGC 6027B GiG 15 59 11.156 +20 45 17.02   13.4   13.46   ~ 78 0
15 HCG 79 CGG 15 59 11.605 +20 45 24.66           ~ 117 0
16 NGC 6027C GiG 15 59 11.875 +20 44 49.71   16.89   16.74   ~ 58 0
17 NGC 6027 GiG 15 59 12.542 +20 45 48.07   13.4   13.07   ~ 117 2
18 NGC 6027D GiG 15 59 12.9162474936 +20 45 35.731030752   16.61   15.31   ~ 28 0
19 SA 109- reg 17 45.1 -00 13           ~ 14 0
20 HD 161817 HB* 17 46 40.6293849144 +25 44 56.940630540 7.23 7.13 6.97     sdA2 282 0
21 SA 110- reg 18 45 +00.6           ~ 100 0
22 HD 217086 Y*O 22 56 47.1887590800 +62 43 37.657173900 7.88 8.30 7.66 8.35   O7Vnn((f))z 263 0

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