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Arp 273
Image taken by the NASA/ESA Hubble Space Telescope shows Arp 273, a pair of interacting galaxies.
Observation data (J2000 epoch)
Constellation	Andromeda
Right ascension	02 21 28.703
Declination	+39° 22′ 32.65″
Distance	300 million ly
Apparent magnitude (V)	13.7
Characteristics
Type	SA(s)b pec + SB(s)a pec
Other designations
Z 523-28, Z 0218.4+3909, CGPG 0218.4+3909, ZW V 223, KPG 64a, UZC J022128.6+392231, 2MASX J02212870+3922326, Arp 273, UGC 1810, MCG +06-06-023, PGC 8961, VV 323, VV 323a

Arp 273 is a pair of interacting galaxies, 300 million light years away in the constellation Andromeda. It was first described in the Atlas of Peculiar Galaxies, compiled by Halton Arp in 1966. The larger of the spiral galaxies, known as UGC 1810, is about five times more massive than the smaller galaxy. It has a disc that is tidally distorted into a rose-like shape by the gravitational pull of the companion galaxy below it, known as UGC 1813. The smaller galaxy shows distinct signs of active star formation at its nucleus, and "it is thought that the smaller galaxy has actually passed through the larger one."

One supernova has been observed in UGC 1810: SN 1962R (type unknown, mag. 15.9).

References

1. ^ "Arp 273". SIMBAD Astronomical Database. Retrieved 2011-04-20.
2. "NASA/IPAC Extragalactic Database". Retrieved 2018-06-27.
3. "Results for object NGC UGC 1810 (UGC 1810)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-28.
4. "Results for object NGC UGC 1813 (UGC 1813)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-28.
5. "Interacting galaxies Arp 273". National Optical Astronomy Observatory. Retrieved 2011-04-21.
6. Usher, Oli; Villard, Ray (2011-04-20). "A galactic rose highlights Hubble's 21st anniversary". Archived from the original on 16 May 2011. Retrieved 2011-04-21.
7. "NASA's Hubble Celebrates 21st Anniversary with "Rose" of Galaxies". HubbleSite. 2011-04-20. Retrieved 2011-04-21.
8. "A galactic rose highlights Hubble's 21st anniversary". physorg.com. 2011-04-21. Retrieved 2011-04-21.
9. Transient Name Server entry for SN 1962R. Retrieved 17 July 2024.

External links

• Space Fan News #19: Hubble Turns 21 on YouTube
• Image with information of scale & compass location retrieved 20/09/2011

v t e Constellation of Andromeda
Adhil Andromeda in Chinese astronomy List of Andromeda's satellite galaxies List of stars in Andromeda
Stars	Bayer α (Alpheratz) β (Mirach) γ (Almach) δ ε ζ η θ ι κ λ μ ν ξ (Adhil) ο π ρ σ τ υ (Titawin) φ χ ψ ω A b c υ Per (Nembus) Flamsteed 2 3 4 5 6 7 8 9 10 11 12 13 14 (Veritate) 15 18 22 23 26 28 32 36 39 41 44 45 47 55 56 58 59 63 64 65 66 6 Per Variable R T U W Z RT RV RX SU SW TU TW WZ XZ AB AC AD AE AF AR BM BX CC CG CN DS DX EG ET EU FF GO GP GQ GX GR GY HH HN IW KK KX KZ LL LN LP LQ OP OS OU PX PY QR QV QX V385 V428 V439 V455 V529 V807 HR 1 40 56 78 104 122 134 178 275 282 283 289 379 410 483 687 746 748 8884 8925 8950 8962 8973 9011 9074 9075 9105 HD 16175 (Buna) 222155 Other 3XMM J004232.1+411314 ADS 48 HAT-P-6 (Sterrennacht) HAT-P-16 HAT-P-19 HAT-P-28 M31-RV KELT-1 NGC 44 NGC 82 NGC 84 NGC 91 NGC 162 NGC 464 Qatar-3 Qatar-4 Qatar-5 PA-99-N2 WASP-1 WISE 0146+4234 WISE J0005+3737 WISE J004945.61+215120.0
Exoplanets 14 Andromedae b κ Andromedae b υ Andromedae b c d Gliese 15 Ab c HD 13931 b HD 16175 b HAT-P-6b HAT-P-32b WASP-1b WASP-33b Qatar-4b Qatar-5b
Star clusters	NGC 206 272 752 956 7686 Other Mayall II RBC EXT8
Nebulae	NGC 7662
Galaxies	Messier 32 110 NGC 5 11 13 19 20 21 27 39 43 48 49 51 67 68 69 70 71 72 74 76 79 80 81 83 85 86 90 93 94 96 97 108 109 112 140 149 160 169 181 183 184 214 218 226 228 229 233 243 252 258 260 262 280 304 317 389 393 404 425 431 477 512 513 523 528 529 531 536 542 561 605 620 668 679 687 700 703 704 705 708 709 710 712 714 717 721 732 753 759 801 812 834 891 906 910 911 912 913 920 937 980 995 996 999 1000 7640 7836 Numbered I II III IV V VIII IX X XI XVIII XIX XXI Other 3C 66A 3C 66B Andromeda Galaxy Arp 273 Donatiello I UGC 1840
Galaxy clusters Abell 262 NGC 68 group
Astronomical events GRB 101225A SN 1885A (S)
Category

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• Interacting galaxies
• Unbarred spiral galaxies
• Barred spiral galaxies
• UGC objects
• Arp objects
• MCG objects
• Principal Galaxies Catalogue objects
• Andromeda (constellation)
• Galaxy mergers
• Spiral galaxy stubs