Optical Spectrophotometric Standard Stars

Standard stars with Calspec STIS data are highly recommended.

Name RA2000 DEC2000 Vmag SpecType Note IRAF DATA Plot Comments SpecRef Alias
LTT377 00:41:46.82 -33:39:08.2 11.23 F
Yes Data Plot
CTIO  
Feige11 01:04:21.6 +04:13:37 12.07 sdB Stone96
Data Plot
ST96  
Hilt102 01:09:04.9 +62:47:29 10.35 BO III Stone77 Yes Data Plot
IRAF  
Feige15 01:49:09.4 +13:33:12 10.41 A1 V Stone77 Yes Data Plot
IRAF  
LTT1020 01:54:49.68 -27:28:29.7 11.52 G
Yes Data Plot
CTIO  
PG0205+134 02:08:03.5 +13:36:31 13.78 sd O Massey88 Yes Data Plot double star at PA∼12 and separation ∼1".2 MASS  
Feige25 02:38:37.6 +05:27:55 12.01 B6 V Stone77 Yes Data Plot
IRAF  
LTT1788 03:48:22.17 -39:08:33.6 13.16 F
Yes Data Plot
CTIO  
HZ2 04:12:43.51 +11:51:50.4 13.86 DA3
Yes Data Plot
HST $SSTD_HZ2
HZ15 04:40:39.33 +08:40:45.4 12.59 B5 Stone77 Yes Data Plot
IRAF  
HZ14 04:41:01 +10:59:42 13.83 DAn Massey88 Yes Data Plot
MASS $SSTD_HZ14
G191-B2B 05:05:30.62 +52:49:54.0 11.78 DA1 MASS90 Yes Data Plot to 1um, HST primary OKE $SSTD_G191
GD71 05:52:27.51 +15:53:16.6 13.03 DA1 Bohlin01
Data Plot to 1um, HST primary WD $SSTD_GD71
LTT2415 05:56:24.30 -27:51:28.8 12.21

Yes Data Plot
CTIO  
HILT600 06:45:13.33 +02:08:14.1 10.44 B1 MASS90 Yes Data Plot
CTIO $SSTD_HILTNER600
L745-46A 07:40:16.7 -17:24:22 13.0 DF SB1983 Yes Data Plot
IRAF  
BD+75d325 08:10:49.31 +74:57:57.5 9.54 O5p Bohlin01 Yes Data Plot to 1um HST  
BD+08d2015 08:15:42.4 +07:37:14 10.39 G2V Stone77 Yes Data Plot
IRAF  
PG0823+546 08:26:50.4 +54:28:06 13.25 sd O Massey88, 90 Yes Data Plot
MASS $SSTD_PG0823
LTT3218 08:41:34.10 -32:57:00.1 11.86 DA
Yes Data Plot
CTIO  
AGK+81d266 09:21:19.06 +81:43:28.6 11.92 sdO Bohlin01
Data Plot STIS sensitivity monitor, to 1um HST  
PG0918+029 09:21:27.8 +02:46:06 13.33
Stone96
Data Plot
ST96  
PG0934+554 09:38:19.9 +55:05:53 12.16 sd O Massey88 Yes Data Plot
MASS  
LTT3864 10:32:13.90 -35:37:42.4 12.17 F
Yes Data Plot
CTIO  
G162-66 10:33:43.6 -11:41:42 13.01 DA2 Stone96
Data Plot
ST96  
PG1034+001 10:37:04 -00:08:00.0 13.23 DO Stone96
Data Plot
ST96  
Feige34 10:39:36.71 +43:06:10.1 11.18 DO MASS90, Bohlin01 Yes Data Plot to 1um HST $SSTD_FEIGE34
G163-50 11:07:59.3 -05:09:10 13.06 DA4 Stone96 Yes Data Plot
IRAF  
G163-51 11:08:06.3 -05:13:27 12.58 M6V Stone96
Data Plot
ST96  
GD140 11:37:05.10 +29:47:58.3 12.46 DA Massey88, 90 Yes Data Plot
MASS $SSTD_GD140
EG81 11:37:30 +14:10:00 13.24 DA Massey88 Yes Data Plot
MASS  
Feige56 12:06:39.7 +11:40:39 11.06 B5p
Yes Data Plot
CTIO  
Feige66 12:37:23.55 +25:04:00.3 10.50 sdO MASS90 Yes Data Plot
HST $SSTD_FEIGE66
LTT4816 12:38:50.94 -49:47:58.8 13.79 DA
Yes Data Plot
CTIO  
Feige67 12:41:51.83 +17:31:20.5 11.81 sdO MASS90 Yes Data Plot
HST $SSTD_FEIGE67
GD153 12:57:02.37 +22:01:56.0 13.35 DA1 Bohlin01
Data Plot to 1um, HST primary WD $SSTD_GD153
HZ43 13:16:21.99 +29:05:57.0 12.91 DA1
Yes Data Plot nearby (~2") bright companion star
HZ43 (East) and HZ43B (West)
WD  
HZ44 13:23:35.37 +36:08:00.0 11.66 sdO MASS90 Yes Data Plot to 1um HST $SSTD_HZ44
PG1323-086 13:25:39.4 -08:49:18 13.48 sdB-O Stone96
Data Plot
ST96  
GRW+70d5824 13:38:51.77 +70:17:08.5 12.77 DA3 Bohlin01 Yes Data Plot to 1um, STIS sensitivity monitor HST  
CD-32d9927 14:11:46.37 -33:03:14.3 10.42 A0
Yes Data Plot
CTIO  
Feige92 14:11:50.3 +50:06:57 11.62 Bp Stone77 Yes Data Plot
IRAF $SSTD_FEIGE92
Feige98 14:38:23.5 +27:30:05 11.84 B7 Stone77 Yes Data Plot
IRAF  
PG1545+035 15:48:24.3 +03:22:54 13.57 sd O Massey88 Yes Data Plot
MASS  
BD+33d2642 15:51:59.86 +32:56:54.8 10.81 B2IV
Yes Data Plot
HST $SSTD_BD33
G153-41 16:17:55.4 -15:35:47 13.42 DA2 Stone96
Data Plot
ST96  
EG274 16:23:33.75 -39:13:47.5 11.03 DA
Yes Data Plot
CTIO  
PG1708+602 17:09:15.9 +60:10:11 13.31 sd O Massey88 Yes Data Plot
MASS  
BD+25d3941 19:44:28.2 +26:13:17 10.36 B1.5V Stone77 Yes Data Plot
IRAF  
BD+40d4032 20:08:24.3 +41:15:03 10.45 B2III Stone77 Yes Data Plot
IRAF  
LTT7987 20:10:57.38 -30:13:01.2 12.23 DA
Yes Data Plot
CTIO  
Cyg OB2 No.9 20:33:10.79 +41:15:07.9 10.70 O5If Massey88 Yes Data Plot
MASS  
Wolf1346 20:34:21.88 +25:03:49.7 11.53 DA Massey88, 90 Yes Data Plot
MASS $SSTD_WOLF1346
BD+28d4211 21:51:11.07 +28:51:51.8 10.51 Op MASS90, Bohlin01 Yes Data Plot to 1um, nearby faint companion star HST $SSTD_BD28
G93-48 21:52:25.33 +02:23:24.3 12.74 DA3

Data Plot
HST  
BD+25d4655 21:59:42.02 +26:25:58.1 9.76 O

Data Plot
HST  
NGC 7293 22:29:38.46 -20:50:13.3 13.51 V.Hot

Data Plot
HST  
Feige110 23:19:58.39 -05:09:55.8 11.82 DOp MASS90 Yes Data Plot to 1um
HST $SSTD_FEIGE110