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NGC 152
NGC 152 as seen from the Hubble Space Telescope
Observation data (J2000 epoch)
Right ascension	00 32 56.26
Declination	−73° 06′ 56.6″
Apparent magnitude (V)	12.26
Apparent dimensions (V)	3.00′ × 3.00′
Physical characteristics
Mass	2.5×10 M☉
Estimated age	1.40±0.20 Gyr
Other designations	ESO 28-24
Associations
Constellation	Tucana
See also: Open cluster, List of open clusters

NGC 152 is an open cluster in the constellation Tucana. It was discovered by John Herschel on September 20, 1835. It is located within the Small Magellanic Cloud.

NGC 152 is about 1.40 billion years old. Its estimated mass is 2.5×10 M_☉, and its total luminosity is 8.0×10 L_☉, leading to a mass-to-luminosity ratio of 0.31 M_☉/L_☉. All else equal, older star clusters have a lower luminosity for the same mass; that is, their mass-to-luminosity ratios are higher.

See also

• List of NGC objects (1–1000)
• List of stars in Tucana

References

1. ^ Rafelski, Marc; Zaritsky, Dennis (2005). "The Star Clusters of the Small Magellanic Cloud: Age Distribution". The Astronomical Journal. 129 (6): 2701–2713. arXiv:astro-ph/0408186. Bibcode:2005AJ....129.2701R. doi:10.1086/424938. S2CID 4600017.
2. Bica, E.; Dutra, C. M. (2000). "Updating the Census of Star Clusters in the Small Magellanic Cloud". The Astronomical Journal. 119 (3): 1214–1224. arXiv:astro-ph/9912386. Bibcode:2000AJ....119.1214B. doi:10.1086/301277. hdl:10183/108234. S2CID 119350474.
3. ^ Song, Ying-Yi; Mateo, Mario; Bailey, John I.; Walker, Matthew G.; Roederer, Ian U.; Olszewski, Edward W.; Reiter, Megan; Kremin, Anthony (2021). "Dynamical masses and mass-to-light ratios of resolved massive star clusters – II. Results for 26 star clusters in the Magellanic Clouds". Monthly Notices of the Royal Astronomical Society. 504 (3): 4160–4191. arXiv:2104.06882. doi:10.1093/mnras/stab1065.
4. "NGC 152". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-06.
5. "New General Catalog Objects: NGC 150-199". Retrieved 2016-06-11.

External links

• Media related to NGC 152 at Wikimedia Commons

v t e Constellation of Tucana
List of stars in Tucana Tucana in Chinese astronomy
Stars	Bayer α β β β γ δ ε ζ η θ ι κ λ λ μ ν π ρ Variable DS HR 8829 HD 4308 5980 7199 (Emiw) 215497 221287 (Poerava) Other AB7 Gliese 54 HV 2112 HV 11417 HV 11423 L 168-9 PMMR 62 SMC 018136
Exoplanets DS Tucanae Ab HD 4308 b HD 7199 b (Hairu) HD 215497 b c HD 219077 b HD 221287 b (Pipitea)
Star clusters	NGC 121 152 176 220 222 231 241 256 265 267 269 290 294 299 306 330 339 346 361 362 371 376 395 411 416 419 422 456 458 460 465 Other ξ (47)
Nebulae E0102
Galaxies	NGC 53 360 406 432 434 440 466 484 7329 Other ESO 148-2 ISOHDFS 27 Tucana Dwarf Small Magellanic Cloud (partly in Hydrus)
Category

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• Astronomical objects discovered in 1835
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