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NGC 6786

Coordinates: Sky map 19h 10m 53.8692s, +73° 24′ 36.834″
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NGC 6786
NGC 6786 (right) and UGC 11415 (left) imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
ConstellationDraco[1]
Right ascension19h 10m 53.8692s[2]
Declination+73° 24′ 36.834″[2]
Redshift0.025244±0.000026[2]
Distance359.5 ± 25.2 Mly (110.22 ± 7.72 Mpc)[2]
Apparent magnitude (V)12.80[3]
Characteristics
TypeSB?[2]
Size~131,000 ly (40.15 kpc) (estimated)[2]
Apparent size (V)1.1′ × 0.9′[2]
Other designations
UGC 11414, PGC 62864, CGCG 341-019, VV 414W[3][2]

NGC 6786 is an interacting spiral galaxy in the constellation of Draco. Its velocity with respect to the cosmic microwave background is 7,473±10 km/s, which corresponds to a Hubble distance of 359.5 ± 25.2 Mly (110.22 ± 7.72 Mpc).[2] It was discovered by American astronomer Lewis Swift on 3 October 1886.[4]

NGC 6786 is currently interacting with the neighboring galaxy known as UGC 11415, and, being the larger galaxy, it is likely that NGC 6786 will absorb UGC 11415 in the future.[1] Both galaxies appear to be undergoing a starburst, a phenomenon commonly seen among interacting and merging galaxies.

One supernova has been observed in NGC 6786: SN 2004ed (Type IIn, mag. 17.4) was discovered by Tom Boles and Mark Armstrong on 2 September 2004.[5][6]

See also

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References

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  1. ^ a b "Hubble Interacting Galaxy NGC 6786". hubblesite.org. Retrieved 18 February 2015.
  2. ^ a b c d e f g h i "NED results for object NGC 6786". ned.ipac.caltech.edu. Retrieved 18 February 2015.
  3. ^ a b "NGC 6786". dso-browser.com. Archived from the original on 18 February 2015. Retrieved 18 February 2015.
  4. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 6786". Celestial Atlas. Retrieved 2 June 2025.
  5. ^ Armstrong, M.; Boles, T. (2004). "Supernova 2004ed in NGC 6786". International Astronomical Union Circular (8397): 1. Bibcode:2004IAUC.8397....1A.
  6. ^ "SN 2004ed". Transient Name Server. IAU. Retrieved 2 June 2025.
[edit]
  • Media related to NGC 6786 at Wikimedia Commons
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