2002A&A...391..833A


Query : 2002A&A...391..833A

2002A&A...391..833A - Astronomy and Astrophysics, volume 391, 833-840 (2002/9-1)

NGC 3628: Ejection activity associated with quasars.

ARP H., BURBIDGE E.M., CHU Y., FLESCH E., PATAT F. and RUPPRECHT G.

Abstract (from CDS):

NGC 3628 is a well-studied starburst/low level AGN galaxy in the Leo Triplet noted for its extensive outgassed plumes of neutral hydrogen. QSOs are shown to be concentrated around NGC 3628 and aligned with the HI plumes. The closest high redshift quasar has z=2.15 and is at the tip of an X-ray filament emerging along the minor axis HI plume. Location at this point has an accidental probability of ∼2x10–4. In addition a coincident chain of optical objects coming out along the minor axis ends on this quasar. More recent measures on a pair of strong X-ray sources situated at 3.2 and 5.4 arcmin on either side of NGC 3628 along its minor axis, reveal that they have nearly identical redshifts of z=0.995 and 0.981. The closer quasar lies directly in the same X-ray filament which extends from the nucleus out 4.1 arcmin to end on the quasar of z=2.15. The chain of objects SW along the minor axis of NGC 3628 has been imaged in four colours with the VLT. Images and spectra of individual objects within the filament are reported. It is suggested that material in various physical states and differing intrinsic redshifts is ejected out along the minor axis of this active, disturbed galaxy.

Abstract Copyright:

Journal keyword(s): galaxies: active - galaxies: individual: NGC 3628 - quasars: general - radio lines: galaxies - X-rays: galaxies

Nomenclature: Fig.1, Table 1: [ABC2002] A (Nos A-F), [ABC2002] N (Nos 1-4). Fig.4, Table 2: [ABC2002] AN (Nos F1-F6).

Simbad objects: 27

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Number of rows : 27
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 2XMM J111821.6+130956 Q? 11 18 21.658 +13 09 56.42           ~ 2 0
2 QSO B1115+140 QSO 11 18 30.2310534936 +13 45 01.503538020   19.32 19.06     ~ 20 0
3 SDSS J111832.45+130732.6 QSO 11 18 32.4457444536 +13 07 32.670661692   19.1   18.9   ~ 12 0
4 M 65 GiP 11 18 55.9084654776 +13 05 32.300703672   9.6       ~ 431 1
5 SDSS J111918.83+130316.8 QSO 11 19 18.832 +13 03 16.86           ~ 9 0
6 [VV2006] J111928.5+130250 QSO 11 19 28.3792469280 +13 02 51.133026552   18.08 17.95     ~ 42 0
7 2RXP J111935.0+131921 Q? 11 19 35.1 +13 19 24           ~ 1 0
8 QSO B1117+139 QSO 11 19 46.9449354960 +13 37 59.233468512   19.17 18.91     ~ 36 0
9 QSO B1117+136 QSO 11 19 48.2126022576 +13 19 37.969276656   19.76 19.58     ~ 11 0
10 [ABC2002] A Q? 11 19 49 +13 13.4   21.0       ~ 2 0
11 2XMM J112010.4+133934 Q? 11 20 10.436 +13 39 34.29           ~ 2 0
12 QSO B1117+137 QSO 11 20 11.8499553720 +13 31 22.623613896   19.73 19.44 19.2   ~ 11 0
13 [ABC2002] F4 G 11 20 12.5 +13 31 55           ~ 1 0
14 [ABC2002] F3 G 11 20 13.9 +13 32 05           ~ 1 0
15 QSO J1120+1332 QSO 11 20 14.7428714496 +13 32 27.883456188   19.5 19.83 19.1   ~ 18 0
16 M 66 GiP 11 20 15.026 +12 59 28.64 9.85 9.65 8.92     ~ 1298 4
17 [ABC2002] F1 ? 11 20 16.1 +13 32 39           ~ 1 0
18 NGC 3628 GiP 11 20 17.018 +13 35 22.16   10.42 9.48 9.22   ~ 801 3
19 [ABC2002] F6 blu 11 20 17.8 +13 34 50           ~ 1 0
20 [ABC2002] D blu 11 20 22.8021017040 +13 21 57.879531900   19.3   19.3   ~ 3 0
21 QSO J1120+1340 QSO 11 20 26.2050528840 +13 40 24.651681708   19.26 18.98     ~ 36 0
22 SDSS J112029.40+132357.6 QSO 11 20 29.4095051328 +13 23 57.691335876   19.1   19.2   ~ 10 0
23 SDSS J112039.82+133620.5 QSO 11 20 39.8256487464 +13 36 20.496897432     19.1     ~ 21 0
24 QSO B1118+1352 QSO 11 20 41.567 +13 35 50.29   21.21 20.97     ~ 9 0
25 QSO B1118+1354 QSO 11 21 06.0729705216 +13 38 24.899811756   19.32 19.06     ~ 45 0
26 [ABC2002] F Q? 11 21 10 +13 17.9   21.2       ~ 2 0
27 NAME Centaurus A Sy2 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4324 3

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2023.02.07-05:23:26

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