Palomar 3

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Globular cluster
Palomar 3
Photo from the Hubble Space Telescope
Photo from the Hubble Space Telescope
AladinLite
Constellation sextant
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 10 h 05 m 31.4 s
declination + 00 ° 04 ′ 17 ″
Appearance
Brightness  (visual) 14.26 mag
Physical data
Affiliation Milky Way
Radial velocity 94.04 ± 0.80 km / s
distance approx. 300,000  ly
(92.5  kpc ) 
Age 9.7 ± 1.3 billion years
Metallicity [Fe / H] −1.66
history
discovery Albert Wilson
Walter Baade
Discovery date 1952
Catalog names
 C 1003 + 003 •  UGC  5439 • CGCG  8-35 • MCG  + 0-26-17

Palomar 3 ( Pal 3 ) is a globular cluster in the constellation Sextans , around 300,000 light years away. The globular cluster is thus in the outer halo of the Milky Way . Palomar 3 is one of 15 globular clusters found in images from the 1950s Palomar Observatory Sky Survey . Palomar 3 was discovered by Albert George Wilson and Walter Baade in 1952.

swell

  1. ^ A b William E. Harris: A Catalog of Parameters for Globular Clusters in the Milky Way . In: Astronomical Journal . tape 112 , no. 4 , 1996, pp. 1487–1488 , doi : 10.1086 / 118116 , bibcode : 1996AJ .... 112.1487H .
  2. ^ A b Eugene Vasiliev: Proper motions and dynamics of the Milky Way globular cluster system from Gaia DR2 . In: Monthly Notices of the Royal Astronomical Society . tape 484 , no. 2 , 2019, p. 2832–2850 , doi : 10.1093 / mnras / stz171 , arxiv : 1807.09775 , bibcode : 2019MNRAS.484.2832V .
  3. ↑ M. Salaris, A. Weiss: Homogeneous age dating of 55 Galactic globular clusters. Clues to the Galaxy formation mechanisms . In: Astronomy and Astrophysics . tape 388 , 2002, p. 492–503 , doi : 10.1051 / 0004-6361: 20020554 , arxiv : astro-ph / 0204410 , bibcode : 2002A & A ... 388..492S .
  4. ↑ A unique cluster: one of the hidden 15 . In: ESA / Hubble Picture of the Week . Retrieved April 17, 2013. 
  5. ↑ George Ogden Abell : Globular Clusters and Planetary Nebulae Discovered on the National Geographic Society-Palomar Observatory Sky Survey , bibcode : 1955PASP ... 67..258A