Hz 4

alpha(2000) = 03h 55m 21.70s , delta(2000) = +09d 47' 18.7''

V = 14.51, B-V = +0.09, Spectral type: DA4

 

Field is 14.0 x 14.0 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