CalSpec Standards
CalSpec Stars
The fullCalSpec database.
The ones listed below are of more interest for DES/LSST calibration, and hemisphere ties.
The exposure times listed in this section are from the USNO-1m and are a starting point.
Star name RA(2000) DEC(2000) u g r i z Sp. T. V B-V Note
----------- -------- --------- --- --- --- --- --- ------ ------ ----- ----
GD50 03:48:50 -00:58:32 DA2 14.06 -0.28 1 Finding Chart Airmass Table
HZ4 03:55:22 +09:47:19 DA4 14.51 +0.09 Finding Chart Airmass Table
LB227 04:09:29 +17:07:54 DA4 15.32 +0.06 Finding Chart Airmass Table
HZ2 04:12:44 +11:51:50 DA3 13.88 -0.09 Finding Chart Airmass Table
G191B2B 05:05:31 +52:49:54 20 8 10 12 50 DA0 11.781 -0.33 3 Finding Chart Airmass Table
GD71 05:52:28 +15:53:15 60 15 15 40 90 DA1 13.032 -0.25 1,3 Finding Chart Airmass Table
GD108 10:00:47 -07:33:31 600 60 60 60 90 sdB? 13.56 -0.22 3 Finding Chart Airmass Table
FEIGE_34 10:39:37 +43:06:09 DO 11.18 -0.34 2 Finding Chart Airmass Table
HZ21 12:13:56 +32:56:31 DO2 14.69 -0.33 Finding Chart Airmass Table
FEIGE_66 12:37:24 +25:04:00 sdO 10.51 -0.29 2 Finding Chart Airmass Table
FEIGE_67 12:41:52 +17:31:20 sdO 11.82 -0.34 Finding Chart Airmass Table
GD153 12:57:02 +22:01:56 100 25 25 60 130 DA1 13.346 -0.29 3 Finding Chart Airmass Table
HZ44 13:23:35 +36:08:00 sdO 11.67 -0.29 Finding Chart Airmass Table
P041C 14:51:58 +71:42:17 200 15 12 15 25 G0V 12.00 0.62 3 Finding Chart Airmass Table
P177D 15:59:14 +47:36:42 300 30 20 25 40 G0V 13.47 0.66 3 Finding Chart Airmass Table Good for HDI
SNAP-2 16:19:46 +55:34:18 G0-5 16.2 ... Finding Chart Airmass Table SDSS CAS
SNAP-1 16:29:36 +52:55:53 WD 15.6 ... Finding Chart Airmass Table SDSS CAS
P330E 16:31:34 +30:08:47 240 20 15 15 20 G0V 13.00 0.64 3 Finding Chart Airmass Table Good for HDI
HS2027+0651 20:29:32 +07:01:08 DO 16.9 ... Finding Chart Airmass Table
LDS749B 21:32:16 +00:15:14 DBQ4 14.674 -0.04 Finding Chart Airmass Table
G93-48 21:52:25 +02:23:20 DA3 12.74 -0.01 1,2 Finding Chart Airmass Table
BD+25:4655 21:59:42 +26:25:57 sdO0 9.69 -0.31 2 Finding Chart Airmass Table
BD+17:4708 22:11:31 +18:05:34 sdF8 9.47 0.44 1,2 Finding Chart Airmass Table
LTT9491 23:19:35 -17:05:30 DC 14.10 +0.03 1 Finding Chart Airmass Table
FEIGE_110 23:19:58 -05:09:56 D0p 11.83 -0.30 Finding Chart Airmass Table
1 - duplicate from hemisphere tie stars
2 - duplicate from ugriz standard stars
3 - duplicate from ugriz northern extension work at USNO
Last updated: 16 May 2024