UDF 423

UDF 423
UDF 423
Spiral galaxy UDF 423 in the Hubble Ultra Deep Field
Observation data (J2000 epoch)
ConstellationFornax
Right ascension03h 32m 39.16s[1]
Declination−27° 48′ 44.7″[1]
Redshift1 (or 0.46)[2]
Distance7.7 billion light-years (or 4.7 billion light-years)
(light travel distance)[3]
~10 billion light-years (or 5.7 billion light-years)
(present comoving distance)[3]
Apparent magnitude (V)20[1]
Characteristics
Apparent size (V)0.11' x 5.04"[1] or 0.0027' x 0.0027'
UDF 423 is the spiral galaxy in the lower right quadrant of the Hubble Ultra Deep Field.

UDF 423 is the Hubble Ultra Deep Field (UDF) identifier for a distant spiral galaxy. With an apparent magnitude of 20,[1] UDF 423 is one of the brightest galaxies in the HUDF and also has one of the largest apparent sizes in the HUDF.[1]

  1. ^ a b c d e f "UDF 423". Wikisky. Retrieved 2010-11-03.
  2. ^ Sangeeta Malhotra. "As far as the Hubble can see" (PDF). Arizona State University. Retrieved 2010-10-28.
  3. ^ a b Cite error: The named reference Calculator was invoked but never defined (see the help page).