Sagittarius II dwarf galaxy

Database links to Sagittarius II dwarf galaxy

Galaxy Sagittarius II dwarf galaxy
Sagittarius 2
AladinLite
Constellation	Sagittarius
Position equinox :  J2000.0 , epoch : J2000.0
Right ascension	19 h 52 m 40.5 s
declination	−22 ° 04 ′ 05 ″
Appearance
Morphological type	dSph
Brightness  (visual)	(13.9 ± 0.4) mag
Physical data
Affiliation	Local group
distance	(195,600 ± 16,300) Lj / (60,000 ± 5,000) pc
Absolute brightness	(−5.2 ± 0.4) mag
Metallicity [Fe / H]	−2.2
history
discovery	Pan-STARRS screening 1
Discovery date	2015
Catalog names
Say II dSph

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

properties

Sag II dSph has a half-light radius of ′ , which corresponds to a size of pc at a distance of about 60 kpc . ${\displaystyle r_{h}={2,0}_{-0,3}^{+0,4}}$  ${\displaystyle ({37}_{-7}^{+8})}$ 

additional

• List of galaxies in the local group

Individual evidence

1. ↑ Benjamin PM Laevens et al .: 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 .