RR Pictoris
Encyclopedia
RR Pictoris was a nova
, which lit up in the constellation Pictor in 1925. RR Pictoris reached a brightness of 1.2 mag
. The brightness of RR Pictoris decreased in 150 days by 3 mag. Today RR Pictoris has a brightness of 9 mag.
Nova
A nova is a cataclysmic nuclear explosion in a star caused by the accretion of hydrogen on to the surface of a white dwarf star, which ignites and starts nuclear fusion in a runaway manner...
, which lit up in the constellation Pictor in 1925. RR Pictoris reached a brightness of 1.2 mag
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...
. The brightness of RR Pictoris decreased in 150 days by 3 mag. Today RR Pictoris has a brightness of 9 mag.
External links
- http://www.tsm.toyama.toyama.jp/curators/aroom/var/nova/1920.htm