Table 3.
Galaxies in the vicinity of NGC 253.
| Name | Type | Vh | VLG | DTRGB | MB | TI | ΘN253 | R⊥ | R3D |
|---|---|---|---|---|---|---|---|---|---|
| (km s−1) | (km s−1) | (Mpc) | (mag) | (deg) | (kpc) | ||||
| NGC 253 | Sc | 260.6 ± 5 (a) | 294 | 3.70 ± 0.03 ( † ) | −21.15 | ||||
| Do II | dSph | −6.6 | 3.2 | 1.3 | 86 | ||||
| LV J0055−2310 | dIr | 249.6 ± 5 (a) | 288 | 3.62 ± 0.18 ( ‡ ) | −9.81 | 2.2 | 2.7 | 175 | 191 |
| Scl–MM–Dw1 | dSph | 3.94 ± 0.63 (♭) | −9.54 | 1.8 | 1.1 | 71 | 251 | ||
| NGC 247 | Sd | 153.0 ± 5 (a) | 208 | 3.72 ± 0.03 ( † ) | −18.56 | 1.6 | 4.5 | 293 | 294 |
| Do IV | dSph | −7.1 | 2.2 | 3.6 | 233 | ||||
| ESO 540−032 | Ir | 227.7 ± 0.9 (b) | 285 | 3.63 ± 0.05 ( † ) | −11.45 | 1.4 | 5.4 | 349 | 354 |
| Do III | dSph | −8.3 | 1.4 | 5.3 | 343 | ||||
| DDO 6 | dIr | 295.3 ± 5 (a) | 347 | 3.44 ± 0.15 ( † ) | −12.45 | 1.3 | 4.3 | 277 | 373 |
| Sculptor SR | dTr | −10.26 | 1.2 | 4.0 | 257 | ||||
| KDG 2 | dTr | 223.5 ± 2.7 (b) | 290 | 3.56 ± 0.07 ( † ) | −11.49 | 1.0 | 7.2 | 463 | 478 |
| Scl–MM–Dw2 | dSph | 3.12 ± 0.32 (♯) | −11.03 | 0.7 | 0.8 | 53 | 582 | ||
| Sc 22 | dSph | 4.29 ± 0.07 ( † ) | −10.50 | 0.5 | 5.4 | 350 | 699 | ||
| NGC 7793 | Sd | 223.8 ± 5 (a) | 247 | 3.63 ± 0.14 ( † ) | −18.34 | 0.2 | 13.1 | 842 | 838 |
| PGC 704814 | Ir | 270 ± 89 (c) | 299 | 3.66 ± 0.18 ( ‡ ) | −11.61 | 2.1 | 12.4 | 798 | 795 |
| ESO 349−031 | dIr | 220.3 ± 5 (a) | 229 | 3.21 ± 0.06 ( † ) | −11.87 | 0.2 | 12.6 | 802 | 901 |
| DDO 226 | dIr | 362.1 ± 5 (a) | 413 | 4.92 ± 0.29 ( † ) | −13.63 | −0.3 | 3.2 | 1243 | |
| UGCA 442 | Sm | 266.7 ± 5 (a) | 299 | 4.37 ± 0.15 ( † ) | −14.71 | −0.3 | 15.5 | 1274 | |
| NGC 625 | Sm | 394.9 ± 5 (a) | 324 | 4.02 ± 0.07 ( † ) | −16.50 | −0.3 | 18.9 | 1307 | |
| NGC 59 | dEem | 367.6 ± 5 (a) | 438 | 4.90 ± 0.07 ( † ) | −15.57 | −0.4 | 8.3 | 1349 | |
| PGC 6430 | Im | 391.7 ± 5 (a) | 306 | 4.57 ± 0.13 ( † ) | −15.68 | −0.7 | 21.7 | 1778 | |
Notes. The columns contain: (1) galaxy name; (2) morphological type; (3) Vh – heliocentric velocity in km s−1 with its error; (4) VLG – radial velocity with respect to the LG centroid (Karachentsev & Makarov 1996); (5) DTRGB – TRGB–distance in Mpc with a corresponding error; (6) MB – B-band absolute magnitude of the galaxy; (7) TI – ‘tidal index’ indicating the value of the tidal influence from the main disturber (Karachentsev & Makarov 1999; Karachentsev et al. 2013); (8) ΘN253 – projected separation from NGC 253 in degrees; (9) R⊥ – projected distance to NGC 253 in kpc; (10) R3D – spatial distance to NGC 253 in kpc.
References. (a)Westmeier et al. (2017), (b)Bouchard et al. (2005), (c)Colless et al. (2003), ( † )Jacobs et al. (2009), ( ‡ )Karachentsev et al. (2021), (♭)Sand et al. (2014), (♯)Toloba et al. (2016).
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