Model atmosphere spectra of six spectrophotometric standard stars observable from the southern hemisphere were selected as reference spectra using X-shooter observations. They are hot white dwarfs (WD) or subdwarfs (sdO) with independent flux information. The flux distribution over the full X-shooter range 3000 – 25000Å is tabulated. The selection and empirical correction of the model spectra are fully described in Moehler et al. (2014a) and in a Messenger article (Moehler et al. (2014b)). The fluxes are sampled (at 0.1Å [< 1000Å] and 0.2Å [>10000Å]). The flux tabluations (ergs cm^-2 s^-1 Å^-1) were converted to ABMAG [ABMAG = -2.5 Log₁₀ F_ν - 48.59 where F_ν is in ergs cm^-2 s^-1 Hz^-1].

Star            alpha       delta   Type  (U-B)   (B-V)   V     PM(RA) PM(Dec)
             (Eq. 2000,Epoch.J2000)                                ("/yr)
------------------------------------------------------------------------------

 GD 71       05 52 27.61 +15 53 13.8  DA  -1.11  -0.25  13.03    0.08 -0.17
 
 LTT 3218    08:41:32.50 -32:56:34.0  DA  -0.55  +0.22  11.86   -1.10  1.34
 
 GD153       12:57:02.34 +22:01:52.7  DA    -    -0.28  13.35   -0.05 -0.20

 EG 274      16:23:33.84 -39:13:46.2  DA  -0.97  -0.14  11.03    0.08  0.00
 
 LTT 7987    20:10:56.85 -30:13:06.6  DA  -0.63  +0.04  12.24   -0.34 -0.25
  
 Feige 110   23:19:58.40 -05:09:56.2 sDO  -1.09  -0.05  11.50   -0.01  0.00

ftp access to the flux and ABMAG reference spectra for all six stars here.

Notes
LTT 3218, EG 274, LTT 7987 and Feige 110 are standard stars from the list of Hamuy et al.; GD 71 and GD 153 are WD primary standards.