NGC_561

NGC 561

NGC 561

Galaxy in the constellation Andromeda

NGC 561 is a barred spiral galaxy located in the constellation Andromeda.[2] Its speed relative to the cosmic microwave background is 4,395 ± 20 km/s, which corresponds to a Hubble distance of 64.8 ± 4.6 Mpc (~211 million ly).[3] NGC 561 was discovered by Prussian astronomer Heinrich d'Arrest in 1862.[4]

Quick Facts Observation data (J2000 epoch), Constellation ...

The luminosity class of NGC 561 is I and it has a broad HI1 line.[1][clarification needed]

NGC 561 is part of the NGC 507 group. This vast group includes at least 42 galaxies, 21 of which appear in the NGC catalog and 5 in the IC catalog. Four members of this group are also Markarian galaxies. The brightest of these galaxies is NGC 507 and the largest is NGC 536.

See also

References

  1. [1]
    "NGC 561". simbad.cds.unistra.fr. Retrieved 2024-04-15.
  2. [2]
    "NGC 561 - Spiral Galaxy in Andromeda | TheSkyLive.com". theskylive.com. Retrieved 2024-04-15.
  3. [3]
    Astronomy, Go. "NGC 561 | galaxy in Andromeda | NGC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-04-15.
  4. [4]
    "NGC 561 - spiral galaxy with bar. Description NGC 561:". kosmoved.ru. Retrieved 2024-04-15.
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