IC 348

IC 348
IC 348
	Hubble image of IC 348 and its surroundings.
Observation data (J2000 epoch)
Constellation	Perseus
Right ascension	03h 44m 34s
Declination	+32° 09.8′
Distance	1,028 ly (315 pc)
Apparent magnitude (V)	7.3
Physical characteristics
Estimated age	2 million years
Other designations	C 0341+321, Collinder 41
	See also: Open cluster, List of open clusters

IC 348 south of Omicron Persei

IC 348 is a star-forming region in the constellation Perseus located about 315 parsecs from the Sun. It consists of nebulosity and an associated 2-million-year-old cluster of roughly 400 stars within an angular diameter of 20″. The most massive stars in the cluster are the binary star system BD+31°643, which has a combined spectral class of B5.^[3] Based upon infrared observations using the Spitzer Space Telescope, about half of the stars in the cluster have a circumstellar disk, of which 60% are thick or primordial disks.^[4]

The age of this cluster has allowed three low mass brown dwarfs to be discovered. These objects lose heat as they age, so they are more readily discovered while they are still young.^[5]

References[]

^ "Hubble captures strobe flashes from a young star". ESA/Hubble Press Release. Retrieved 8 February 2013.
^ ^a ^b ^c "IC 348 -- Open (galactic) Cluster". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2011-04-04.
^ ^a ^b Luhman, K. L.; et al. (August 2003). "A Census of the Young Cluster IC 348". The Astrophysical Journal. 593 (2): 1093–1115. arXiv:astro-ph/0304409. Bibcode:2003ApJ...593.1093L. doi:10.1086/376594. S2CID 18040934.
^ Lada, Charles J.; et al. (March 2006). "Spitzer Observations of IC 348: The Disk Population at 2-3 Million Years". The Astronomical Journal. 131 (3): 1574–1607. arXiv:astro-ph/0511638. Bibcode:2006AJ....131.1574L. doi:10.1086/499808. S2CID 5277677.
^ "Astronomers Discover Youngest And Lowest Mass Dwarfs In Solar Neighborhood". Science Daily. April 24, 2009. Retrieved 2011-04-04.

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[1] "Hubble captures strobe flashes from a young star". ESA/Hubble Press Release. Retrieved 8 February 2013.

[SIMBAD-2] "IC 348 -- Open (galactic) Cluster". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2011-04-04.

[apj593_2_1093-3] Luhman, K. L.; et al. (August 2003). "A Census of the Young Cluster IC 348". The Astrophysical Journal. 593 (2): 1093–1115. arXiv:astro-ph/0304409. Bibcode:2003ApJ...593.1093L. doi:10.1086/376594. S2CID 18040934.

[aj131_3_1574-4] Lada, Charles J.; et al. (March 2006). "Spitzer Observations of IC 348: The Disk Population at 2-3 Million Years". The Astronomical Journal. 131 (3): 1574–1607. arXiv:astro-ph/0511638. Bibcode:2006AJ....131.1574L. doi:10.1086/499808. S2CID 5277677.

[sd20090424-5] "Astronomers Discover Youngest And Lowest Mass Dwarfs In Solar Neighborhood". Science Daily. April 24, 2009. Retrieved 2011-04-04.

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