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Table 3

List of investigated objects and some of their properties. For the galaxies with new observations reported, the given positions are those used for our observations. For objects not observed by us the position in NED (2009) is given.

Galaxy RA Dec Typea czb Dc log LFIRd θ HCNe
(J2000.0) (J2000.0) [km s-1] [Mpc] [L⊙] [′′]
Arp 220 15 34 57.1 +23 30 11.3 ULIRG, Obsc., SB? 5450 78.1 12.15 21
Circinus 14 10 34.3 –64 52 12.5 AGN, cp? 434f 3.13 ... 21 (CO 3-2)2
IC 342 03 46 48.5 +68 05 46 SB 31 4.00 10.01 203
IC 694g 11 28 33.6 +58 33 46.0 SB 3159 58.2 11.74h 54
IC 860 13 15 03.5 +24 37 08.0 Obsc. 3887 59.1i 11.14 *
I17208j 17 23 21.9 –00 17 00.9 ULIRG, Obsc., SB? 12852 178 12.35 0.675
M82 09 55 52.7 +69 40 46 SB 187 5.68 10.61  > 301
Maffei 2 02 41 55.1 +59 36 15.0 SB –17f 3.34 ... 20 × 76
NGC 34 00 11 06.5 –12 06 26.6 SB 5931 79.8 11.34 *
NGC 253 00 47 33.1 –25 17 18 SB 261 3.22 10.29 18 × 87
NGC 613 01 36 36.7 –29 09 50.4 cp 1475 18.6 10.22 40 (CO 1-0)8
NGC 1056 02 42 48.3 +28 34 27.1 AGN 1545 22.7 9.79 –
NGC 1068 02 42 40.7 –00 00 47.0 cp 1005 15.3 10.89 4.51
NGC 1365 03 33 36.4 –36 08 26.1 cp 1636 19.9 10.86 34 (CO 2-1)9
NGC 1377 03 36 39.1 –20 54 08.0 Obsc., AGN? 1792 22.5 9.95 –
NGC 1614 04 36 24.2 –08 28 40.3 SB 4746 63.4 11.43 12 (CO 2-1)10
NGC 1808 05 07 42.3 –37 30 47 SB, cp? 1000 11.2 10.55 18 (CO 2-1)10
NGC 2146 06 18 37.8 +78 21 22.9 SB 885 16.9 10.93 201
NGC 2623 08 38 24.1 +25 45 17.2 SB 5538 76.9 11.48 1.811
NGC 3079 10 01 57.81 +55 40 47.1 SB? AGN? 1142 19.7 10.65 13 × 5 (CO 1-0)12
NGC 3256 10 27 51.3 –43 54 14 SB 2781 36.5 11.43 9 (CO 2-1)10
NGC 3690 g 11 28 31.0 +58 33 40.0 SB 3159 46.9 11.74h 1.565
NGC 4418 12 26 54.8k –00 52 42.0k Obsc., AGN? 2104 32.6 11.00 5 (CO 1-0)13
NGC 4945 13 05 27.0 –49 28 04.5 SB, cp? 560 4.85 10.41 15 (CO 3-2)2
NGC 5135 13 25 44.0 –29 50 02.2 cp 4114 56.0 11.06 15 × 5 (CO 1-0)14
NGC 6946 20 34 52.3 +60 09 14.0 SB 53 5.64 10.01 101
NGC 7130 21 48 19.5 –34 57 05 cp 4824 65.4 11.23 10 (CO 1-0)10
UGC 5101 09 35 51.6 +61 21 11.7 LIRG, cp 11785 165 11.87 3.50 (CO 1-0)5

References. (1) Table in Krips et al. (2008); (2) Table in Curran et al. (2001a); (3) HCN map in Meier & Turner (2005); (4) HCN map in Aalto et al. (1997); (5) Table in Graciá-Carpio et al. (2008); (6) HCN map in Nguyen-Rieu et al. (1994); (7) HCN map in Knudsen et al. (2007); (8) CO 1-0 map in Bajaja et al. (1995); (9) CO 2-1 source size in Curran et al. (2001b); (10) Table in Aalto et al. (1995); (11) Table in Bryant & Scoville (1999); (12) CO 1-0 map in Koda et al. (2002); (13) CO 1-0 map in Dale et al. (2005); (14) CO 1-0 map in Regan et al. (1999).

Notes. 

(a)

The classifications have been obtained by careful investigation of the notes in NED (2009). SB = starburst, AGN = active galactic nucleus, cp = composite of SB and AGN, Obsc. = obscured, ULIRG = Ultra-luminous Infrared galaxy, LIRG = Luminous Infrared galaxy.

(b)

Heliocentric radial velocity of source, from Sanders et al. (2003).

(c)

Distance to source, corrected for Virgo infall only, from NED (2009).

(d)

Far Infrared Luminosity, from Sanders et al. (2003).

(e)

Source sizes, given for HCN 1-0 line if not specified otherwise. For galaxies with an asterisk (*), no value has been found, but D ≳ 45 Mpc, allowing the point-like approximation (θHCN = 0) with an error  ≲ 5% if the dense molecular gas in this galaxy is not unusually widely distributed. For galaxies marked with a dash (-), no value has been found, and D < 45 Mpc.

(f)

From NED (2009).

(g)

IC 694 and NGC 3690 are together also known as the merger Arp 299.

(h)

This is the FIR luminosity of IC 694 and NGC 3690 together.

(j)

Short for IRAS 17208-0014.

(k)

For the HCN 1-0 data the following coordinates have been used: RA 12 26 54.63, Dec –00 52 39.6 (J2000.0).

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