Arp 302
| Arp 302 | |
|---|---|
|
Arp 302 consists of a pair of very gas-rich spiral galaxies in their early stages of interaction: VV 340A is seen edge-on at top, and VV 340B face-on below. Composite image of X-ray data from Chandra (purple) and optical data from Hubble (red, green, blue). | |
| Observation data (J2000 epoch) | |
| Constellation | Boötes |
| Right ascension | 14h 56m 54s |
| Declination | +24° 36.0′ 00″ |
| Redshift |
0.034505 (10166 km/s) |
| Distance | 450 Mly (150 Mpc) |
| Apparent magnitude (V) | 11.3 (15.3 + 15.7) |
| Characteristics | |
| Type | S+S |
| Apparent size (V) | 1′.6 (0′.6 × 0′.6 / 0′.9 × 0′.3) |
| Other designations | |
| VV 340, IRAS 14547+2448, CGCG 1454.7+2448, APG 302, KPG 446, CGCG 134-58, IRAS F14547+2449, Arp 302, LEDA 53433 / 53432, 2MASX J14570030+2436246 / J14570066+2437026, MCG +04-35-018 / +04-35-019, UGC 9618 | |
Arp 302 (also known as Exclamation Point Galaxy) is a galaxy in the constellation Boötes. Arp 302, also known as VV 340 or UGC 9618 consists of a pair of very gas-rich spiral galaxies in their early stages of interaction. An enormous amount of infrared light is radiated by the gas from massive stars that are forming at a rate similar to the most vigorous giant star-forming regions in our own Milky Way. Arp 302 is 450 million light-years away from Earth, and is the 302nd galaxy in Arp's Atlas of Peculiar Galaxies.
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Tour of UGC 9618. -
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Hubble image of UGC 9618 -
Interacting galaxies: Arp 148, VV 340, Arp 256, NGC 6670, NGC 6240, ESO 593-8, NGC 454, UGC 8335, NGC 6786, NGC 17, ESO 77-14, NGC 6050.
References
Coordinates: 
14h 56m 54s, +24° 36′ 00″
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