HET Spectrophotometric Standard Stars

NOTE: these are out-dated and are in the process of being updated. Stay tuned!

OBJECT RA DEC EQ. V PRIORITY NOTES

HD_19445 03:08:25.6 +26:19:55 2000 8.00 1 Source Fukugita et al (1996); g2 or g1, A4p

SA95-42 03:53:43.7 -00:04:33 2000 15.61 3 Source Oke & Gunn (1990); g2 or g1 GG385, blue

GD50 03:48:50.1 -00:58:30 2000 14.06 3 Source Oke & Gunn (1990); g2 or g1 GG385, DA2

HZ_4 03:55:21.7 +09:47:19 2000 14.52 3 Source Oke & Gunn (1990); g2 or g1 GG385, DA4

G191B2B 05:05:30.5 +52:49:57 2000 11.8 2 Source Massey & Gronwall (1990); g2 or g1, DA0

HILTNER_600 06:45:13.4 +02:08:14 2000 10.45 2 Source Massey & Gronwall (1990); g2 or g1, B1V

G193-74 07:53:27.4 +52:29:36 2000 15.7 3 Source Oke & Gunn (1990); g2 or g1 GG385, DC

PG0823+546 08:26:50.4 +54:28:06 2000 14.40 2 Source Massey & Gronwall (1990); g2 or g1, sd0

HD_84937 09:48:56.1 +13:44:39 2000 8.34 1 Source Fukugita et al (1996); g2 or g1, sdF5

GD108 10:00:47.3 -07:33:31 2000 13.56 3 Source Oke & Gunn (1990); g2 or g1 GG385, sdB

FEIGE_34 10:39:36.2 +43:06:11 2000 11.23 2 Source Massey & Gronwall (1990); g2 or g1, D0

HD93521 10:48:23.5 +37:34:13 2000 7.04 3 Source Oke & Gunn (1990); g2 or g1 GG385, O9Vp

GD140 11:37:05.3 +29:47:50 2000 12.5 2 Source Massey & Gronwall (1990); g2 or g1, DA

HZ_21 12:13:56.4 +32:56:31 2000 14.68 3 Source Oke & Gunn (1990); g2 or g1 GG385, D02

FEIGE_66 12:37:23.5 +25:04:01 2000 10.5 2 Source Massey & Gronwall (1990); g2 or g1, sd0

FEIGE_67 12:41:48.9 +17:30:57 2000 11.82 2 Source Massey & Gronwall (1990); g2 or g1, sd0

G60-54 13:00:09.5 +03:28:56 2000 15.81 3 Source Oke & Gunn (1990); g2 or g1 GG385, DC

HZ_44___ 13:23:35.4 +36:08:00 2000 11.66 2 Source Massey & Gronwall (1990); g2 or g1, sd0

GRW+70_5824 13:38:51.8 +70:17:08 2000 12.77 3 Source Oke & Gunn (1990); g2 or g1 GG385, DA3

BD+26_2606 14:49:02.4 +25:42:09 2000 9.74 1 Source Fukugita et al (1996); g2 or g1, A5

BD+33_2642 15:51:59.9 +32:56:55 2000 10.81 3 Source Oke & Gunn (1990); g2 or g1 GG385, B2IV

G138-31 16:28:03.6 +09:12:24 2000 16.14 3 Source Oke & Gunn (1990); g2 or g1 GG385, DA7

WOLF_1346 20:34:22.2 +25:03:54 2000 11.54 2 Source Massey & Gronwall (1990); g2 or g1, DA

BD+17_4708 22:11:31.4 +18:05:34 2000 9.47 4 Source Fukugita et al (1996); g2 or g1, sdF8

FEIGE_110 23:19:58.4 -05:09:56 2000 11.82 2 Source Massey & Gronwall (1990); g2 or g1, D0p

GD248 23:26:06.7 +16:00:21 2000 15.09 3 Source Oke & Gunn (1990); g2 or g1 GG385, DC

NOTE: As of Nov 2005 the following standards have been removed from the list of HET spectrophotometric standards.

Star Reason

BD+28 4211 has faint red companion

G158-100 too far south

Hiltner 102 no red coverage and poor wavelength resolution

Feige 15 no red coverage and poor wavelength resolution

Feige 25 no red coverage and poor wavelength resolution

HZ15 no red coverage and poor wavelength resolution

BD+08-2015 no red coverage and poor wavelength resolution

Feige 56 no red coverage and poor wavelength resolution

BD+25 3941 no red coverage and poor wavelength resolution

BD+40 4032 no red coverage and poor wavelength resolution

Feige 98 no red coverage and poor wavelength resolution

Feige 92 no red coverage and poor wavelength resolution

Further updates to the list above

Star Date Reason

BD+17 4708 20160921 ESO xshooter site reports binarity of this star and Ramirez et al. 2006 report this is probably no worse than a 3\% affect. Downgraded from P1 to P4