HD 19275 [SEP] constellation
HD 19275
HD 19275 is a 5th magnitude star in the constellation Cassiopeia, approximately 162 light years away from Earth. It is a dwarf star, like the Sun, of the spectral type A2Vnn. It therefore has a surface temperature of 7,500 to 11,000 kelvins and is many times more luminous than the Sun. The "nn" in its spectral type signifies that it has very broad spectral lines, because it rotates very fast.
Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-21-42. During World War II, various changes were made in the makeup of the 55th CA. The 55th CA (