Hz 21

alpha(2000) = 12h 13m 56.42s , delta(2000) = +32d 56' 30.8''

V = 14.69, B-V = -0.33, Spectral type: DO2

 

 

Field is 10.0 x 10.0 arcmin

 

Oke (1990) data (1A steps 3200-4700A; 2A steps 4702-9200A) + IUE (1.2A steps 2000A; 1.8A steps 2000-3200A). Note the limitations of these Oke data; see Cautionary Note.


ftp access to visible wavelength data files for this standard
ftp access to UV+visible wavelength data files for this standard