G290.1−0.8

G290.1−0.8 (also known as MSH 11−61A^[2]) is a supernova remnant in the constellation Carina.^[3] It is located in the Galactic plane of the galaxy in the Carina arm.^[4]

G290.1−0.8

Nebula
Composite image of IGR J11014−6103 and MSH 11−61A that contains data from NASA's Chandra X-ray Observatory (purple), radio data from the Australia Compact Telescope Array (green), and optical data from the 2MASS survey (red, green, and blue)
Observation data: J2000 epoch
Right ascension	10h 59m 25.36s[1]
Declination	−61° 18′ 42.6″[1]
Constellation	Carina
Notable features	Possible undiscovered neutron star and two bright spots
See also: Lists of nebulae

The supernova remnant has two bright spots opposite symmetric to each other on a symmetry axis running towards north west-south east direction. Theses bright spots are not homogeneous to the rest of the supernova remnant and had not reached ionization equilibrium yet.

This suggests that there might be a neutron star that has not been discovered yet. The rest of the supernova remnant originated from a high mass star that went supernova with a possible strong bipolar wind.