Messier 52

Messier 52
	; Open cluster Messier 52怹Cassiopeia ; Credit: 2MASS/NASA
Observation data (J2000 epoch)
Constellation	Cassiopeia
Right ascension	23h 24m 48.0s
Declination	+61° 35′ 36″
Distance	4.6 kly (1.4 kpc)
Apparent magnitude (V)	7.3
Apparent dimensions (V)	Pang-bô͘:Val
Physical characteristics
Mass	Pang-bô͘:Val M☉
Radius	Pang-bô͘:Val
Estimated age	158.5 Myr
Other designations	NGC 7654，Cr 455， C 2322+613， OCl 260
	See also: Open cluster, List of open clusters

Messier 52 (M52，NGC 7654) 是 (sī)一个 (chi̍t-ê)星團 (chhiⁿ-thôan)，佇 (tī)天球 (thian-kiû)的 (ê)所在 (só͘-chāi)是Cassiopeia造 (chō)。

註解 (Tsù-kái)[修改]

↑ ^1.0 ^1.1 ^1.2 ^1.3 Wu, Zhen-Yu; et al. (November 2009), "The orbits of open clusters in the Galaxy", Monthly Notices of the Royal Astronomical Society, 399 (4): 2146–2164, arXiv:0909.3737 , Bibcode:2009MNRAS.399.2146W, doi:10.1111/j.1365-2966.2009.15416.x。
↑ "Messier 52". SEDS Messier Catalog. 29 April 2022 khòaⁿ--ê.
↑ ^3.0 ^3.1 Adam, Len (2018), Imaging the Messier Objects Remotely from Your Laptop, The Patrick Moore Practical Astronomy Series, Springer, p. 241, Bibcode:2018imor.bo͘k.....A Check |bibcode= length (help), ISBN 978-3319653853
↑ Bonatto, C。; Bica, E。 (September 2006), "Methods for improving open cluster fundamental parameters applied都M 52 and NGC 3960", Astronomy and Astrophysics, 455 (3): 931–942, arXiv:astro-ph/0608022 , Bibcode:2006A&A...455..931B, doi:10.1051/0004-6361:20065315
↑ "M 52". SIMBAD. Centre de données astronomiques de Strasbourg. November 28， 2018 khòaⁿ--ê.

Messier 52
Open cluster Messier 52怹Cassiopeia Credit: 2MASS/NASA
Observation data (J2000 epoch)
Constellation	Cassiopeia
Right ascension	23^h 24^m 48.0^s^[1]
Declination	+61° 35′ 36″^[1]
Distance	4.6 kly (1.4 kpc)^[1]
Apparent magnitude (V)	7.3^[2]
Apparent dimensions (V)	Pang-bô͘:Val^[3]
Physical characteristics
Mass	Pang-bô͘:Val^[4] `M`_☉
Radius	Pang-bô͘:Val^[3]
Estimated age	158.5 Myr^[1]
Other designations	NGC 7654，Cr 455， C 2322+613， OCl 260^[5]
See also: Open cluster, List of open clusters