NGC 1624

NGC 1624
NGC 1624
	Image of NGC 1624 with the Isaac Newton Telescope ; Credit: IGAPS
Observation data (J2000 epoch)
Right ascension	04h 40m 36.0s
Declination	+50° 27′ 42″
Distance	20000 ± 2000 ly (6000 ± 600 pc)
Apparent magnitude (V)	11.8
Physical characteristics
Estimated age	<4 Myr
Other designations	Cr 53, C 0436+503, OCl 403, Tribble Nebula, Little Cocoon Nebula
Associations
Constellation	Perseus
	See also: Open cluster, List of open clusters

NGC 1624, also known as Sh 2-212^[3] in the Sharpless catalog, is a very young open cluster in the constellation Perseus inside an emission nebula. It was discovered by German-British astronomer William Herschel in December 1790.^[4] Together with the nearby nebula Sh 2-211, it forms part of the region nicknamed the Tribble Nebulae.^[5]

NGC 1624 is located approximatelly 20,000 ly (6,000 pc) from Earth, and latest estimates give it an age of less than 4 million years.^[2] Its apparent magnitude is 11.8,^[1] and apparent diameter is about 3.0 arc minutes.^[4] Its celestial location is right ascension (α) 04^h 40^m 36.0^s and declination (δ) +50° 27′ 42″.^[1] It is potentially an area of massive star formation.^[6]

According to Robert Trumpler's classification of open clusters, this cluster contains fewer than 50 stars (letter p) with a high concentration (I) and whose magnitudes are distributed over an average interval (number 2). The letter n at the end (I2pn) means that the cluster is inside a nebula.

Gallery

Wide-field view of Sh 2-211 and Sh 2-212 (the Tribble Nebulae)
Mid-infrared view of NGC 1624 imaged by unWISE

References

1 2 3 4 5 "NGC 1624". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 9 November 2017.
1 2 3 "Sejong Open Cluster Survey (SOS) - IV. The Young Open Clusters NGC 1624 and NGC 1931". SIMBAD. Centre de données astronomiques de Strasbourg.
↑ "Sh2-212". Galaxy Map. Retrieved 16 November 2021.
1 2 Seligman, Courtney. "New General Catalogue objects: NGC 1600 - 1649". cseligman.com. Retrieved 9 November 2017.
↑ https://www.forthimage.co.uk/news/the-tribble-nebulae-ngc1624-sh2-212-and-sh2-211/ ^{[bare URL]}
↑ Deharveng, L.; Lefloch, B.; Kurtz, S.; Nadeau, D.; Pomarès, M.; Caplan, J.; Zavagno, A. (2008). "Triggered massive-star formation on the borders of Galactic H II regions". Astronomy & Astrophysics. 482 (2): 585–596. arXiv:0803.4152. doi:10.1051/0004-6361:20079233. S2CID 16100087.

External links

Media related to NGC 1624 at Wikimedia Commons
NGC 1624 spider.seds.org
NGC 1624
Sh2-211
Sh2-212

This star cluster–related article is a stub. You can help Wikipedia by adding missing information.

[SIMBAD-1] 1 2 3 4 5 "NGC 1624". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 9 November 2017.

[Lim-2] 1 2 3 "Sejong Open Cluster Survey (SOS) - IV. The Young Open Clusters NGC 1624 and NGC 1931". SIMBAD. Centre de données astronomiques de Strasbourg.

[Sh2-212-3] "Sh2-212". Galaxy Map. Retrieved 16 November 2021.

[cseligman-4] 1 2 Seligman, Courtney. "New General Catalogue objects: NGC 1600 - 1649". cseligman.com. Retrieved 9 November 2017.

[5] ttps://www.forthimage.co.uk/news/the-tribble-nebulae-ngc1624-sh2-212-and-sh2-211/ ^{[bare URL]}

[Triggered_massive-star_formation_on_the_borders_of_Galactic_HII_regions._IV-_Star_formation_at_the_periphery_of_Sh2-212-6] Deharveng, L.; Lefloch, B.; Kurtz, S.; Nadeau, D.; Pomarès, M.; Caplan, J.; Zavagno, A. (2008). "Triggered massive-star formation on the borders of Galactic H II regions". Astronomy & Astrophysics. 482 (2): 585–596. arXiv:0803.4152. doi:10.1051/0004-6361:20079233. S2CID 16100087.

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References

External links