GTC Preferred Spectrophotometric Standards

The following table provides suitable general-purpose spectrophotometric standards for the optical wavelength range.
The link on the name of the object provides more detailed information and a finding chart.

STANDARDS VALID FOR ALL OSIRIS GRISMS

NameRA/DECmag(5556) WavelengthReference
G158-100 00:33:54.5
-12:07:58
J200014.8320-1000 nm Oke 1990, AJ 99, 1621
Filippenko & Greenstein 1984, PASP 96, 530
G191-B2B 05:05:30.6
+52:49:56
J200011.9320-1000 nm Oke 1974, ApJ Supp. 27, 21
Massey 1988, ApJ 328, 315
Oke 1990, AJ 99, 1621
GD71 05:52:27.51
+15:53:16.6
J200014.5320-1000 nm Bohlin et al. 1995, AJ 110, 1316
HILT600 06:45:13.33
+02:08:14.1
J200010.4320-1000 nm Hamuy et al. 1994, PASP, 106, 566
Hamuy et al. 1992, PASP, 104, 533
GD 140 11:37:05.1
+29:47:58
J200012.4320-1000 nm Massey 1988, ApJ 328, 315
Oke 1974, ApJ. Supp. 27, 21
GD153 12:57:02.3
+22:01:56.0
J200013.3320-1000 nm Bohlin et al. 1995, AJ 110, 1316
GD190 15:44:20.0
+18:06.7
J200014.7320-1000 nm Oke 1974, ApJ. Supp. 27, 21
Ross 640 16:28:25.03
+36:46:15.4
J200013.8320-1000 nm Oke 1974, ApJ. Supp. 27, 21
G24-9 20:13:55.7
+06:42:45
J200015.8320-1000 nm Oke 1990, AJ, 99, 1621
Filippenko & Greenstein 1990, PASP 96, 530
GD248 23:26:06.59
+16:00:19.6
J200015.1320-1000 nm Oke 1990, AJ, 99, 1621
Filippenko & Greenstein 1984, PASP 96, 530

VALID FOR ALL GRISM BUT R300R, R500R, R1000R, R2500I & TF (depending on wavelength)

NameRA/DECmag(5556) WavelengthReference
GD50 03:48:50.06
-00:58:30.4
J200014.06320-920 nm Oke 1990, AJ 99, 1621
HZ 15 04:40:39.32
+08:40:45.3
J200012.6320-840 nm Stone 1977, ApJ 218, 767
He 3 06:47:37.99
+37:30:57.0
J200012.1320-940 nm Oke 1974, ApJ Supp. 27, 21
PG0823+546 08:26:49.4
+54:28:01
J200014.4320-800 nm Massey 1988, ApJ 328, 315
Feige 34 10:39:36.7
+43:06:10
J200011.3320-900 nm Stone 1977, ApJ 218, 767
Massey 1988, ApJ 328, 315
Oke 1990, AJ, 99, 1621
HZ 21 12:13:56.6
+32:56:30
J200014.7320-900 nm Oke 1990, AJ 99, 1621
GRW+70d5824 13:38:51.87
+70:17:08.5
J200012.77320-920 nm Oke 1990, AJ 99, 1621
BD+33d2642 15:51:59.86
+32:56:54.8
J200010.81320-920 nm Oke 1990, AJ 99, 1621
PG1708+602 17:09:15.9
+60:10:10
J200013.9320-800 nm Massey 1988, ApJ 328, 315
Grw+70 8247 19:00:10.25
+70:39:51.2
J200013.1340-920 nm Oke 1974, ApJ Supp. 27, 21
LDS749B 21:32:15.75
+00:15:13.6
J200014.67320-920 nm Oke 1990, AJ 99, 1621
Feige 110 23:19:58.39
-05:09:55.8
J200011.82320-920 nm Oke 1990, AJ 99, 1621