Draco II dwarf galaxy

Database links to Draco II

Galaxy Draco II dwarf galaxy
AladinLite
Constellation	Dragon
Position equinox :  J2000.0 , epoch : J2000.0
Right ascension	15 h 52 m 47.6 s
declination	+ 64 ° 33 ′ 55 ″
Appearance
Morphological type	dSph
Brightness  (visual)	(14.0 ± 0.3) mag
Physical data
Affiliation	Local group
distance	(71,700 ± 9,800) ly / (22,000 ± 3,000) pc
Absolute brightness	(−2.9 ± 0.8) mag
Metallicity [Fe / H]	−2.2
history
discovery	Pan-STARRS screening 1
Discovery date	2015
Catalog names
Dra II dSph

The Draco II dwarf galaxy , also known as Draco II or Draco 2 for short , is a dwarf galaxy of the type dSph discovered in 2015 in the constellation Dragon in the Local Group and one of the satellite galaxies of the Milky Way .

properties

Dra II dSph has a half-light radius of ′ , which corresponds to a size of pc at a distance of about 22 kpc . ${\displaystyle r_{h}={2,7}_{-0,8}^{+1,0}}$  ${\displaystyle ({19}_{-6}^{+8})}$ 

additional

• List of galaxies in the local group

Web links

Commons : Constellation Dragon  - Collection of images, videos and audio files

• SAGITTARIUS II, DRACO II AND LAEVENS 3: THREE NEW MILKY WAY SATELLITES DISCOVERED IN THE PAN-STARRS 1 3π SURVEY at: iop.org

Individual evidence

1. ↑ Benjamin PM Laevens: SAGITTARIUS II, DRACO II AND LAEVENS 3: THREE NEW MILKY WAY SATELLITES DISCOVERED IN THE PAN-STARRS 1 3π SURVEY . In: The Astrophysical Journal . 813, No. 1, November 1, 2015, p. 9. doi : 10.1088 / 0004-637X / 813/1/44 .