Astronomy:NGC 255

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Short description: Galaxy in the constellation Cetus
NGC 255
NGC 255 DECam.png
NGC 255 with DECam
Observation data (J2000 epoch)
ConstellationCetus
Right ascension 00h 47m 47.309s[1]
Declination−11° 28′ 07.31″[1]
Redshift0.005287[2]
Helio radial velocity1585 km/s[2]
Distance59.16 ± 4.75 Mly (18.140 ± 1.457 Mpc)[2]
Apparent magnitude (V)11.70[2]
Apparent magnitude (B)12.5[3]
Absolute magnitude (V)−19.59[2]
Characteristics
TypeSAB(rs)bc[2]
Size53,200 ly (16,310 pc)[2][note 1]
Apparent size (V)3.0 × 2.5
Other designations
MGC-02-03-017, PGC 2802

NGC 255 is a barred spiral galaxy in the constellation Cetus. It was discovered on November 27, 1785, by Frederick William Herschel.[4]

Notes

  1. RC3 D0 (blue) values used.

References

External links