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NGC 5681

Coordinates: Sky map 14h 35m 42.9043s, +08° 18′ 02.313″
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NGC 5681
NGC 5681 imaged by SDSS
Observation data (J2000 epoch)
ConstellationBoötes
Right ascension14h 35m 42.9043s[1]
Declination+08° 18′ 02.313″[1]
Redshift0.026488±0.000009[1]
Heliocentric radial velocity7,941±3 km/s[1]
Distance331.21 ± 89.53 Mly (101.550 ± 27.450 Mpc)[1]
Apparent magnitude (V)14.3[1]
Characteristics
TypeSA:(rs)bc[1]
Size~109,700 ly (33.63 kpc) (estimated)[1]
Apparent size (V)0.9′ × 0.6′[1]
Other designations
IRAS 14332+0831, UGC 9393, MCG +02-37-025, PGC 52169, CGCG 075-083 NED02[1]

NGC 5681 is a spiral galaxy in the constellation of Boötes. Its velocity with respect to the cosmic microwave background is 8,164±16 km/s, which corresponds to a Hubble distance of 392.7 ± 27.5 Mly (120.41 ± 8.43 Mpc).[1] However, two non-redshift measurements give a closer distance of 331.21 ± 89.53 Mly (101.550 ± 27.450 Mpc).[2] It was discovered by German astronomer Heinrich d'Arrest on 1 May 1865.[3]

NGC 5681 is a radio galaxy, i.e. it has giant regions of radio emission extending well beyond its visible structure.[4]

Supernova

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One supernova has been observed in NGC 5681:

See also

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References

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  1. ^ a b c d e f g h i j k "Results for object NGC 5681". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 June 2025.
  2. ^ "Distance Results for NGC 5681". NASA/IPAC EXTRAGALACTIC DATABASE. NASA. Retrieved 18 June 2025.
  3. ^ Seligman, Courtney. "Index Catalogue Objects: NGC 5681". Celestial Atlas. Retrieved 18 June 2025.
  4. ^ "NGC 5681". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 22 December 2024.
  5. ^ Lee, N.; Li, W. (21 July 2006). "Supernova 2006dt in NGC 5681". Central Bureau Electronic Telegrams (581). IAU. Bibcode:2006CBET..581....1L.
  6. ^ "SN 2006dt". Transient Name Server. IAU. Retrieved 18 June 2025.
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