TABLE 10 Photometric standards used for absolute response calibration Right Ascen-sion (2000) Declination (2000) Name HR HD V [mag] Spectral type Remarks 02 28 09.4 +08 27 36 73 Cet 718 15318 4.28 B9III Hamuy et al. 04 50 36.8 +08 54 02 2 Ori 1544 30739 4.37 A1Vn Hamuy et al. 08 10 49.3 +74 57 58 BD +75D325 - - 9.55 O5p HST 08 43 13.6 +03 23 55 Eta Hya 3454 74280 4.3 B3V Hamuy et al. 10 48 23.5 +37 34 13 BD +38D2179 - 93521 6.99 O9Vp HST 11 36 41.1 - 09 48 08 Theta Crt 4468 100889 4.69 B9.5Vn Hamuy et al. 13 09 57.1 - 05 32 18 Theta Vir 4963 114330 4.38 A1IVs+Am Hamuy et al. 14 45 30.4 +00 43 03 108 Vir 5501 129956 5.7 B9.5V Hamuy et al. 18 36 56.3 +38 47 01 Vega 7001 172167 0.03 A0V HST 19 54 44.7 +00 16 26 58 Aql 7596 188350 5.61 A0III Hamuy et al. 20 47 40.4 - 09 29 43 Eps Aqr 7950 198001 3.77 A1V Hamuy et al. 21 51 11.1 +28 51 52 BD +28D4211 - - 10.51 Op HST 22 41 27.5 +10 49 53 42 Peg 8634 214923 3.4 B8V Hamuy et al. 00 01 49.4 - 03 01 39 29 Psc 9087 224926 5.1 B7III-IV Hamuy et al.