Feb 19, 2025
Arp 107 Galactic Eyes il Hubble Webb
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Arp 107 Galactic Eyes il Hubble Webb
A set of interacting galaxies in Andromeda, the Chained Woman // Evan Tsai
Gerard and Ray as ARP 91 / Interacting galaxies NGC 5953 and NGC 5954
Arp 87: graceful dance of interacting galaxies © Hubble
M51 and Ionized Hydrogen
The Whirlpool galaxy is fairly close in galactic terms, at 23 million light years, and one of the most famous spiral galaxies in our night sky, the first one I ever found with my telescope too.
But when a filter is added to detect ionized hydrogen (in red) you can see a huge area of the gas just outside, but connected to an arm of stars.
Those stars are the smaller galaxy pulling on a spiral arm of the main one, and then throwing the stars out into space, along with a huge amount of gas.
Comparing Hubble and JWST, you can see the hottest areas are in those dark spiral arms, and this is because as the Hubble image shows, there's huge amount of star formation from the dust and gas, leaving pink/red marks on the Hubble image.
Triple Merger
An image captured by the James Webb Space Telescope shows Arp 107, a pair of interacting galaxies. The spiral galaxy UGC 5984 (or PGC 32620)
An image captured by the James Webb Space Telescope shows Arp 107, a pair of interacting galaxies. The spiral galaxy UGC 5984 (or PGC 32620) and the elliptical galaxy MCG +05-26-025 (or PGC 32628) will eventually merge. The Arp 107 pair was already studied several times with various telescopes but the combination of the MIRI (Mid-Infrared Instrument) and NIRCam (Near-Infrared Camera) instruments allowed to capture many new details of the star formation activity triggered by the interaction between the two galaxies.
•The Whirlpool Galaxy (M51)•
Distance: 31,000,000ly
Constellation: Canes Venatici
Equipment: Seestar S50
A face-on, grand design spiral galaxy interacting with a nearby dwarf Galaxy, the Whirlpool Galaxy is a favorite target visible year-round in the northern latitudes. Also just visible in the upper right of the image is the distant edge-on spiral galaxy IC4263, located approximately 131 billion light years from Earth. Probably my favorite galaxy. 💙
www.pixelatedcosmos.com
