DI Lacertae
Encyclopedia
DI Lacertae or Nova Lacertae 1910 was a nova
which lit up in the constellation
Lacerta in 1910. It reached a brightness of 4.6 mag
. Its brightness decreased in 37 days by 3 mag. Today its brightness is 14 mag.
It was discovered by T. H. E. C. Espin
.
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
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Lacerta in 1910. It reached a brightness of 4.6 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...
. Its brightness decreased in 37 days by 3 mag. Today its brightness is 14 mag.
It was discovered by T. H. E. C. Espin
T. H. E. C. Espin
The Reverend Thomas Henry Espinell Compton Espin or T. H. E. C. Espin was a British astronomer. His father Thomas Espin was Chancellor of the Diocese of Chester....
.