NGC 1220

NGC 1220
NGC 1220
	NGC 1220 from the Digitized Sky Survey (DSS)
Observation data (J2000.0 epoch)
Right ascension	03h 11m 40s
Declination	53° 20′ 45″
Distance	5,900 light-years (1,800 pc)
Apparent magnitude (V)	11.8
Apparent dimensions (V)	2.6′
Physical characteristics
Radius	3.4 light-years (1.05 pc)
Estimated age	60 million years
Other designations	Cr 37, OCL 380
Associations
Constellation	Perseus
	See also: Open cluster, List of open clusters

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

Location[edit]

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 6^m 42^s east and 10′ 12″ south from the nearest visible star, γ Persei.^[3]

Composition[edit]

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

Notes[edit]

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

References[edit]

^ ^a ^b ^c "NGC 1220". Strasbourg Astronomical Data Center. Retrieved 2024-04-02.
^ ^a ^b ^c ^d ^e ^f ^g 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)
^ ^a ^b "NGC 1220 – Open Cluster in Perseus". The Sky Live. Retrieved 2024-03-30.
^ 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.
^ "NGC1220". NGC/IC Restoration Project. Retrieved 2024-03-30.

[2] Exact values for seconds vary from 40.0^s (Ortolani et al. (2002)) to 40.8^s (SIMBAD).

[4] Estimates for arcseconds vary from 38″ (SIMBAD) to 53.4″ (NED).

[NGC_1220-1] "NGC 1220". Strasbourg Astronomical Data Center. Retrieved 2024-04-02.

[Ortolani_et_al.,_2002-3] ^ ^a ^b ^c ^d ^e ^f ^g 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)

[NGC_1220_–_Open_Cluster_in_Perseus-5] "NGC 1220 – Open Cluster in Perseus". The Sky Live. Retrieved 2024-03-30.

[Catalog_of_Open_Galactic_Clusters-6] 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.

[NGC/IC_Restoration_Project-7] "NGC1220". NGC/IC Restoration Project. Retrieved 2024-03-30.

[1]

[Note 1]

[2]

[Note 2]

[3]

[4]

[5]