diff options
Diffstat (limited to 'noao/obsutil/src/sptime/lib/abjohnson')
| -rw-r--r-- | noao/obsutil/src/sptime/lib/abjohnson | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/noao/obsutil/src/sptime/lib/abjohnson b/noao/obsutil/src/sptime/lib/abjohnson new file mode 100644 index 00000000..b2bd6d2a --- /dev/null +++ b/noao/obsutil/src/sptime/lib/abjohnson @@ -0,0 +1,17 @@ +# AB zeropoints. +# Values are from Astrophysical Quantities converted from +# log f (in W/cm^2/micron) to AB = -2.5 * log (F_lambda) - 5 log (lambda) - 2.4 +# where lambda is in Angstroms and F_lambda is in ergs/s/cm^2/A. The +# values are for U, B, V, R, I, J, H, Ks, K, L, L', M. + + 3650 0.714 + 4400 -0.167 + 5500 -0.052 + 7000 0.275 + 9000 0.529 +12150 0.878 +16540 1.356 +21570 1.857 +35470 2.803 +37610 2.921 +47690 3.397 |