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Tidal tail information


The Tadpole Galaxy

A tidal tail is a thin, elongated region of stars and interstellar gas that extends into space from a galaxy. Tidal tails occur as a result of galactic tide forces between interacting galaxies. Examples of galaxies with tidal tails include the Tadpole Galaxy and the Mice Galaxies. Tidal forces can eject a significant amount of a galaxy's gas into the tail; within the Antennae Galaxies, for example, nearly half of the observed gaseous matter is found within the tail structures.[1] Within those galaxies which have tidal tails, approximately 10% of the galaxy's stellar formation takes place in the tail.[2] Overall, roughly 1% of all stellar formation in the known universe occurs within tidal tails.[3]

Some interacting galaxy pairs have two distinct tails, as is the case for the Antennae Galaxies, while other systems have only one tail. Most tidal tails are slightly curved due to the rotation of the host galaxies. Those that are straight may actually be curved but still appear to be straight if they are being viewed edge-on.

  1. ^ Mihos, Christopher J.; et al. (1993). "Modeling the Spatial Distribution of Star Formation in Interacting Disk Galaxies". Astrophysical Journal. 418: 82–99. Bibcode:1993ApJ...418...82M. doi:10.1086/173373.
  2. ^ Jarrett, T. H.; et al. (2006). "Remarkable Disk and Off-Nuclear Starburst Activity in the Tadpole Galaxy as revealed by the Spitzer Space Telescope". Astronomical Journal. 131 (1): 261–281. arXiv:astro-ph/0510788. Bibcode:2006AJ....131..261J. doi:10.1086/498414.
  3. ^ Naeye, Robert (18 December 2007). "'Shot in the Dark' Star Explosion Stuns Astronomers". NASA Goddard Flight Center. Retrieved 18 June 2010.

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Tidal tail

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A tidal tail is a thin, elongated region of stars and interstellar gas that extends into space from a galaxy. Tidal tails occur as a result of galactic...

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VIRGOHI21

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galaxies. Skeptics of this interpretation argue that VIRGOHI21 is simply a tidal tail of the nearby galaxy NGC 4254. VIRGOHI21 was detected through radio telescope...

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List of galaxies

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Galaxy Tail" (Press release). NASA. 20 September 2007. Archived from the original on 4 November 2008. Sun; Donahue; Voit (2007). "H-alpha tail, intracluster...

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NGC 3628

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William Herschel in 1784. It has an approximately 300,000 light-years long tidal tail. Along with M65 and M66, NGC 3628 forms the Leo Triplet, a small group...

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Cartwheel Galaxy

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irregular blue Magellanic spiral; G2, the yellow compact spiral with a tidal tail; and G3, a more distant spiral often seen in wide field images. SN 2021afdx...

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Astronomical object

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and an object when describing the entire comet with its diffuse coma and tail. Astronomical objects such as stars, planets, nebulae, asteroids and comets...

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Tidal locking

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Tidal locking between a pair of co-orbiting astronomical bodies occurs when one of the objects reaches a state where there is no longer any net change...

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Messier 79

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The cluster is being disrupted by the galactic tide, trailing a long tidal tail. This color-magnitude diagram was made using near-infrared images of the...

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Messier 46

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(redder) stars migrating to a coma (tail) region. The fainter stars that extend out to the south and west may form a tidal tail due to a past interaction. The...

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Serpens

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gravity, forming a tidal tail over 30000 light-years long. It is over 11 billion years old. It has also been flattened and distorted by tidal effects. The L134/L183...

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Tadpole Galaxy

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During this close encounter, tidal forces drew out the spiral galaxy's stars, gases and dust, forming the conspicuous tail. The intruder galaxy, estimated...

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NGC 6934

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Lyrae class and one is a SX Phe variable. There is some evidence for a tidal tail. Shapley, Harlow; Sawyer, Helen B. (August 1927), "A Classification of...

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NGC 3509

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is a peculiar galaxy showing an interesting detail. It has a sweeping tidal tail feature, which seems to offer hints of evolution and makes the galaxy...

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Eyes Galaxies

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also appears to have a long tidal tail possibly caused by the interaction; however, other studies suggest the apparent tail is actually foreground galactic...

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Gliese 514

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as of 2020. The Sun is currently calculated to be passing through the tidal tail of Gliese 514's Oort cloud. Thus, future interstellar objects passing...

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IC 3418

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is a galaxy in the constellation Virgo. It is most well noted for its tidal tail, which formed after the galaxy collided with the Virgo Cluster some 54...

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NGC 1851

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radius of 240 pc or more. This feature, if combined with the lack of tidal tail or associated stream of stars, suggests the cluster may be a stripped...

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NGC 6027e

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NGC 6027e is a tidal tail of NGC 6027, not an individual galaxy, that is part of Seyfert's Sextet, a compact group of galaxies, which is located in the...

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Galactic tide

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flung off into intergalactic space, forming tidal tails. Such tails are typically strongly curved. If a tail appears to be straight, it is probably being...

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Hickson Compact Group

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2019). "Hickson Compact Group 98: a complex merging group with a giant tidal tail and a humongous envelope". Monthly Notices of the Royal Astronomical Society...

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NGC 2808

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The cluster is being disrupted by the galactic tide, trailing a long tidal tail. It had been thought that NGC 2808, like typical globular clusters, contains...

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Markarian 273

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nucleus. There is also evidence of a bipolar superbubble. The merger has a tidal tail extending southwards for 40 kiloparsecs, that is seen edge on. Also south...

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NGC 5996

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72. The interaction of the two galaxies has created a long and faint tidal tail about 3.8 arcminutes long curving away from the northern edge of the disk...

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Formation and evolution of the Solar System

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chance that the Solar System will be pulled outward into the Milky Way's tidal tail and a 3% chance that it will become gravitationally bound to Andromeda...

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NGC 3561

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and contains a small tidal dwarf galaxy known as Ambartsumian's Knot that is believed to be the remnant of the extensive tidal tail pulled out of one of...

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NGC 1253

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envelope has an extension at its eastern side to the north that could be a tidal tail. The two galaxies belong in the same galaxy cloud as Messier 77 and its...

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NGC 4747

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that took place 320 million years before observed created tidal plumes in NGC 4747. A short tidal plume extends from NGC 4747 toward NGC 4725, to the south-west...

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