SpARCS1049+56

SpARCS1049+56 is a galaxy cluster whose heart is bursting with new stars and located at a distance of about 9.8 billion light-years away from Earth. It was discovered by NASA's Hubble and Spitzer space telescopes on 2015.^[1] The galaxy cluster has a redshift of 1.7^[2] and a mass of (3.5±1.2)×10¹⁴ M_⊙ ^[3] estimated from weak gravitational lensing.

This image, using data from Spitzer and the Hubble Space Telescope, shows the galaxy cluster SpARCS1049.

SpARCSJ1049+56
Observation data (Epoch J2000)
Right ascension	10h 49m 22.6s
Declination	+56° 40′ 33″
Redshift	1.7
Binding mass	(3.5±1.2)×1014 M☉