NGC_1220

NGC 1220

NGC 1220

Open cluster in Perseus

NGC 1220 is a young compact open cluster in the constellation Perseus. It was discovered by John Herschel in 1831.[5]

Quick Facts Observation data (J2000.0 epoch), Right ascension ...

Location

The cluster is located at l = 143.04°, b = −3.96° in the galactic coordinate system, and is 120 parsecs above the galactic plane.[1][2] It is approximately 6m 42s east and 10′ 12″ south from the nearest visible star, γ Persei.[3]

Composition

NGC 1220 consists of approximately 26 stars with spectral types between A0 and B9, although the majority fall between A5 and B5.[2]

Notes

  1. [N 1]
    Exact values for seconds vary from 40.0s (Ortolani et al. (2002)) to 40.8s (SIMBAD).
  2. [N 2]
    Estimates for arcseconds vary from 38″ (SIMBAD) to 53.4″ (NED).

References

  1. [1]
    "NGC 1220". Strasbourg Astronomical Data Center. Retrieved 2024-04-02.
  2. [2]
    Ortolani, S.; Carraro, G.; Covino, S.; Bica, E.; Barbuy, B. (2002-04-09). "A photometric study of the young open cluster NGC 1220". Galactic structure, stellar clusters, and populations. Astronomy & Astrophysics. 391 (1). EDP Sciences (published 2002-07-29): 179–185. doi:10.1051/0004-6361:20020794. hdl:10183/98516.{{cite journal}}: CS1 maint: date and year (link)
  3. [3]
    "NGC 1220 – Open Cluster in Perseus". The Sky Live. Retrieved 2024-03-30.
  4. [4]
    Collinder, Per. "On Structural Properties of Open Galactic Clusters and their Spatial Distribution. Catalog of Open Galactic Clusters". Annals of the Observatory of Lund. 2: 4.
  5. [5]
    "NGC1220". NGC/IC Restoration Project. Retrieved 2024-03-30.
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