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Arp 146
Observation data (J2000.0 epoch)
Constellation	Cetus
Right ascension	00 06 44.4
Declination	−06° 38′ 09.0″
Redshift	0.075440
Heliocentric radial velocity	22,616 km/s
Distance	1.05 Gly
Characteristics
Type	RING
Other designations
PGC 509 and PGC 510, Arp 146, VV 790

Arp 146 (known as PGC 509 and PGC 510) are a pair of interacting galaxies located 1.05 billion light-years away from Earth in the Cetus constellation. It was discovered by Dewhirst and catalogued by Boris Vorontsov-Velyaminov as VV 790. Under the Atlas of Peculiar Galaxies created by Halton Arp, they are categorized under galaxies that have associated rings.

Arp 146 is classfied as an example of an empty ring galaxy. According to a study, one galaxy appears to have passed through another, leaving behind a ring formed from the bridge material and remnants of the nucleus. The ring is said to be 18"x11" elliptical measuring 20 kpc in diameter but separated from its companion.

References

1. "Your NED Search Results for ARP 146 NED01". ned.ipac.caltech.edu. Retrieved 2024-04-18.
2. "NED Search Results for ARP 146 NED02". ned.ipac.caltech.edu. Retrieved 2024-04-18.
3. Ford, Dominic. "Arp 146 (Galaxy cluster)". In-The-Sky.org. Retrieved 2024-04-18.
4. ^ Spight, L.D; Schultz, A.B.; Colegrove, P.T.; DiSanti, M.A.; Frink, U. "CCD Photometry of the Ring Galaxy ARP 146". articles.adsabs.harvard.edu. Retrieved 2024-09-09.
5. "Halton Arp's Atlas of Peculiar Galaxies". cseligman.com. Retrieved 2024-04-18.
6. Higdon, James L. (March 1988). "Neutral hydrogen observations of ARP 144". The Astrophysical Journal. 326: 146. doi:10.1086/166075. ISSN 0004-637X.
7. Madore, Barry F.; Nelson, Erica; Petrillo, Kristen (2009-03-25). "ATLAS AND CATALOG OF COLLISIONAL RING GALAXIES". The Astrophysical Journal Supplement Series. 181 (2): 572–604. arXiv:0902.4629. doi:10.1088/0067-0049/181/2/572. ISSN 0067-0049.
8. Schultz, A. B.; Spight, L. D.; Colegrove, P. T.; Disanti, M. A.; Fink, U. (1990-01-01). "Color maps of Arp 146". Evolution of the Universe of Galaxies. 10: 182–184. Bibcode:1990ASPC...10..182S.

v t e Constellation of Cetus
List of stars in Cetus Cetus in Chinese astronomy
Stars	Bayer α (Menkar) β (Diphda) γ (Kaffaljidhma) δ ε ζ (Baten Kaitos) η θ ι κ κ λ μ ν ξ ξ ο (Mira) A B π ρ σ τ υ φ φ φ φ χ Flamsteed 1 2 3 6 7 9 13 14 20 46 49 56 (υ) 63 64 69 75 77 79 81 84 94 25 Ari Variable T UV YZ ZZ AY BL BW DK HR 10 72 159 228 500 672 870 HD 984 1690 2638 4747 5319 6718 7449 11506 11964 15115 16008 224693 (Axólotl) Other 2MASS J01225093−2439505 BD-07 436 BD−17 63 (Felixvarela) Cayrel's Star CFBDS J005910.90–011401.3 DENIS-P J020529.0−115925 GD 40 Gliese 65 Gliese 105 GJ 1002 GJ 1005 HIP 5158 HIP 11952 LHS 1140 NGC 156 NGC 158 NGC 302 NGC 308 NGC 310 PSR J0108−1431 SDSS J001820.5−093939.2 SDSS J0106−1000 ULAS J003402.77−005206.7 WD J2356−209 WASP-20 WASP-26 WASP-44 WASP-71 (Mpingo) WISE J0254+0223 WHL0137-LS
Exoplanets 79 Ceti b 81 Ceti b 94 Ceti b BD−17 63 b HD 1461 b HD 2638 b HD 5319 b HD 11506 b c HD 11964 b c HD 224693 b HIP 5158 b c HIP 11915 b τ Ceti e f
Nebulae NGC 246
Galaxies	Messier 77 NGC 17 35 45 47 50 54 59 61 62 64 65 66 73 77 102 107 113 114 116 117 118 120 124 132 135 142 143 144 145 151 154 155 157 161 163 165 166 167 168 170 171 172 173 177 178 179 187 191 192 195 196 197 201 207 209 210 216 217 219 223 227 230 232 235 237 239 244 245 247 255 259 263 268 270 271 273 274 275 276 277 279 283 284 285 286 291 293 297 298 301 303 307 309 320 321 325 327 329 331 333 335 336 337 340 341 342 343 344 345 347 349 350 351 352 353 355 356 357 359 363 364 367 369 377 391 413 417 426 428 429 430 435 442 445 448 450 478 480 481 487 493 497 519 521 533 540 541 545 547 554 555 560 570 584 585 596 615 622 655 681 682 690 701 720 747 755 779 800 806 833 838 864 874 880 895 908 936 945 950 960 965 966 985 988 1009 1015 1019 1022 1032 1042 1052 1055 1073 1087 1090 1128 1142 1153 1218 7808 7828 7829 Other Arp 146 Arp 147 Arp 256 3C 75 Cetus Dwarf HCM-6A HD2 Holmberg 15A HXMM01 IC 1613 IC 1623 IRAS 01003-2238 Markarian 1014 Markarian 1018 MCG -03-04-014 PGC 2456 SDSS J0303-0019 SXDF-NB1006-2 9Spitch TON S180 UGC 711 UGC 1775 Wolf–Lundmark–Melotte
Galaxy clusters Abell 133 Abell 222 Abell 223 Abell 370 Abell 400 Arp 251 Gioiello IRC 0218 JKCS 041
Astronomical events SN 2005E SN 2005gj
Category

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