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Table 1.

Sample of local ULIRGs.

IRAS name Nucleus RA (a) Dec (a) vCO(b) z(c) dL(d) Scale (d) log LIR(e) Class. (f) Morph. (g)
(ICRS) (ICRS) (km s−1) (Mpc) (kpc arcsec−1) (L)
00091−0738 0.1181 550 2.13 12.34 HII I
S 00 11 43.272 −07 22 07.35 31 637
N 00 11 43.302 −07 22 06.18 31 686

00188−0856 00 21 26.513 −08 39 25.99 34 136 0.1285 602 2.29 12.42 Sy2 M

00509+1225 00 53 34.934 +12 41 35.94 17 265 0.0611 273 1.18 11.87 Sy1 M

01572+0009 01 59 50.251 +00 23 40.88 42 077 0.1633 782 2.80 12.65 Sy1 M

F05189−2524 05 21 01.400 −25 21 45.30 12 285 0.0427 188 0.84 12.10 Sy2 M

07251−0248 0.0878 400 1.64 12.45 I
W 07 27 37.532 −02 54 54.38 24 201 HII
E 07 27 37.613 −02 54 54.25 24 193 HII

09022−3615 09 04 12.706 −36 27 01.93 16 856 0.0596 266 1.15 12.33 HII M

F10190+1322 0.0763 345 1.45 12.04 I
W 10 21 42.493 +13 06 53.83 21 336 HII
E 10 21 42.754 +13 06 55.61 21 167 HII

11095−0238 0.1064 491 1.95 12.33 I
SW 11 12 03.359 −02 54 23.29 28 806 LINER
NE 11 12 03.383 −02 54 22.94 28 863 LINER

F12072−0444 0.1284 601 2.29 12.48 I
S 12 09 45.13 −05 01 14.6 (†) Sy2
N 12 09 45.13 −05 01 13.5 (†) Sy2

F12112+0305 0.0730 329 1.39 12.32 LINER I
SW 12 13 45.940 +02 48 39.12 20 448
NE 12 13 46.057 +02 48 41.55 20 322

13120−5453 13 15 06.323 −55 09 22.82 9046 0.0311 136 0.62 12.27 Sy2 M

F13451+1232 0.1217 568 2.19 12.31 I
W 13 47 33.36 +12 17 24.2 (†) Sy2
E 13 47 33.50 +12 17 23.8 (†) LINER

F14348−1447 0.0826 375 1.55 12.41 I
SW 14 37 38.281 −15 00 24.23 22 911 LINER
NE 14 37 38.397 −15 00 21.27 22 809 LINER

F14378−3651 14 40 59.013 −37 04 31.93 19 113 0.0681 306 1.30 12.15 Sy2 M

F15327+2340 0.0181 78 0.37 12.19 M
W 15 34 57.224 +23 30 11.44 5290 LINER
E 15 34 57.293 +23 30 11.29 5380 LINER

16090−0139 16 11 40.419 −01 47 06.35 35 352 0.1337 629 2.37 12.62 HII M

16155+0146 0.1330 625 2.36 12.24 I
NW 16 18 09.364 +01 39 21.75 35 188 Sy2
SE 16 18 09.54 +01 39 19.7 (†)

17208−0014 17 23 21.957 −00 17 00.88 12 304 0.0428 189 0.84 12.43 LINER M

F19297−0406 0.0856 390 1.61 12.45 I
S 19 32 22.30 −04 00 01.8 (†) 236 85 HII
N 19 32 22.309 −04 00 01.03 23 589 HII

19542+1110 19 56 35.785 +11 19 05.03 17 629 0.0625 280 1.20 12.09 LINER M

20087−0308 20 11 23.866 −02 59 50.72 28 600 0.1055 487 1.93 12.47 LINER M

20100−4156 0.1298 609 2.31 12.66 I
NW 20 13 29.48 −41 47 32.6 (†) 34 428 HII
SE 20 13 29.556 −41 47 35.21 34 453 LINER

20414−1651 20 44 18.159 −16 40 16.82 23 962 0.0869 396 1.63 12.24 HII M

F22491−1808 0.0776 352 1.47 12.23 I
W 22 51 49.24 −17 52 23.7 (†) HII
E 22 51 49.349 −17 52 24.13 21 600 HII

Notes.

(a)

Coordinates of the ∼220–250 GHz continuum detected by ALMA for each nucleus (see Sect. 4.1). The typical astrometric uncertainty is 25 mas.

(b)

CO(2–1) velocity of the nucleus using the radio definition in the kinematic local standard of rest (Lamperti et al., in prep.).

(c)

Redshift using the average velocity of the system.

(d)

Luminosity distance and scale for the assumed cosmology (see Sect. 1).

(e)

6–1500 μm IR luminosity derived from the SED fit. The typical uncertainty is 0.03 dex (see Sect. 4.4).

(f)

Nuclear activity classification based on optical spectroscopy (see Perna et al. 2021).

(g)

System morphology: I. Interacting system with nuclear separation > 1 kpc; M. Advanced merger with nuclear separation < 1 kpc (see Perna et al. 2021).

(†)For the four nuclei undetected in the ALMA images and the two systems (F12072−0444 and F13451+1232) not observed by ALMA, we used near-IR and optical HST images, whose astrometry was tied to Gaia DR2, to measure the nuclear position (see Sect. 3.1 of Perna et al. 2021).

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