Arp 148
| Galaxy Arp 148 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 03 m 53.2 s |
| declination | + 40 ° 50 ′ 57 ″ |
| Appearance | |
| Morphological type | S0p + Sp (ring) LIRG |
| Brightness (visual) | 15.0 mag |
| Brightness (B-band) | 14.29 mag |
| Angular expansion | 0.6 ′ × 0.5 ′ |
| Physical data | |
| Redshift | 0.034524 ± 0.000090 |
| Radial velocity | (10350 ± 27) km / s |
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Stroke distance v rad / H 0 |
(463 ± 32) · 10 6 ly (142.0 ± 9.9) Mpc |
| history | |
| Catalog names | |
| PGC 33423 • MCG + 07-23-019 • IRAS 11010 + 4107 • KUG 1101 + 411 • Arp 148 • VV 32 • | |
Arp 148 , also known as Mayall's object, consists of two interacting galaxies in the constellation Great Bear . The two galaxies are about 463 million light years away from the Milky Way and represent a snapshot of a collision between two galaxies. The collision probably caused a shock wave effect, which caused the matter to expand in a ring. Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class of galaxies with associated rings .
literature
- Lars Lindberg Christensen, Davide de Martin and Raquel Yumi Shida: Cosmic Collisions - The Hubble Atlas of Galaxies , Spectrum Academic Publishing House, Heidelberg 2010 ISBN 978-3-8274-2555-3
- Jeff Kanipe and Dennis Webb: The Arp Atlas of Peculiar Galaxies - A Chronicle and Observer's Guide , Richmond 2006, ISBN 978-0-943396-76-7