Example 1. H-alpha in galaxy spectra shifted to zero velocity
eqwidth test.ms.fits specnum="1-10" torest=no
Output file name (STDOUT):
Bandpass file (ha.bands):
# EQWIDTH: NOAO/IRAF V2.12.2a-EXPORT mink@xena Wed 16:13:42 19-Jan-2005
# bands = ha.bands, norm = yes, mag = no
# band filter wavelength width
# H-alpha_flux none 6563. 20.
# blue_continuum none 6450. 100.
# red_continnuum none 6650. 30.
#
# spectrum band flux band flux index eqwidth
test.ms.fits[*,1](1) H-alpha 104.287 cont 50.346 2.0714 -21.4279
test.ms.fits[*,2](2) H-alpha 130.761 cont 39.6871 3.29481 -45.8961
test.ms.fits[*,3](3) H-alpha 136.324 cont 46.3526 2.94103 -38.8206
test.ms.fits[*,4](4) H-alpha 41.4446 cont 22.6819 1.82721 -16.5442
test.ms.fits[*,5](5) H-alpha 33.5744 cont 31.5486 1.06421 -1.28425
test.ms.fits[*,6](6) H-alpha 58.4989 cont 54.744 1.06859 -1.37181
test.ms.fits[*,7](7) H-alpha 47.4394 cont 16.0033 2.96435 -39.287
test.ms.fits[*,8](8) H-alpha 49.1456 cont 56.5048 0.869761 2.60478
test.ms.fits[*,9](9) H-alpha 35.2606 cont 45.0047 0.783487 4.33027
test.ms.fits[*,10](10) H-alpha 59.2868 cont 52.4754 1.1298 -2.59603
compare to output from IRAF onedspec.sbands:
# SBANDS: NOAO/IRAF V2.12.2a-EXPORT mink@xena Fri 17:00:04 14-Jan-2005
# bands = ha.bands, norm = yes, mag = no
# band filter wavelength width
# H-alpha flux none 6563. 20.
# blue continuum none 6450. 100.
# red continnuum none 6650. 30.
#
# spectrum band flux band flux index eqwidth
test.ms.fits[*,1](1) H-alpha 104.287 cont 50.346 2.0714 -21.4279
test.ms.fits[*,2](2) H-alpha 130.761 cont 39.6871 3.29481 -45.8961
test.ms.fits[*,3](3) H-alpha 136.324 cont 46.3526 2.94103 -38.8206
test.ms.fits[*,4](4) H-alpha 41.4446 cont 22.6819 1.82721 -16.5442
test.ms.fits[*,5](5) H-alpha 33.5744 cont 31.5486 1.06421 -1.28425
test.ms.fits[*,6](6) H-alpha 58.4989 cont 54.744 1.06859 -1.37181
test.ms.fits[*,7](7) H-alpha 47.4394 cont 16.0033 2.96435 -39.287
test.ms.fits[*,8](8) H-alpha 49.1456 cont 56.5048 0.869761 2.60478
test.ms.fits[*,9](9) H-alpha 35.2606 cont 45.0047 0.783487 4.33027
test.ms.fits[*,10](10) H-alpha 59.2868 cont 52.4754 1.1298 -2.59603
Example 1. H-alpha in galaxy spectra at observed redshifts
eqwidth @test10 specnum="1" torest=yes
Output file name (STDOUT):
Bandpass file (ha.bands):
# EQWIDTH: NOAO/IRAF V2.12.2a-EXPORT mink@xena Wed 16:13:26 19-Jan-2005
# bands = ha.bands, norm = yes, mag = no torest = yes
# band filter wavelength width
# H-alpha_flux none 6563. 20.
# blue_continuum none 6450. 100.
# red_continnuum none 6650. 30.
#
# spectrum band flux band flux index eqwidth 1+z
2004.0413.20_bg_1/001.F2.20.bg_1_2619.ms.fits[*,1](1) H-alpha 104.267 cont 50.3723 2.06992 -21.3984 1.15071
2004.0413.20_bg_1/002.F2.20.bg_1_1003.ms.fits[*,1](1) H-alpha 130.697 cont 39.6666 3.2949 -45.8979 1.24071
2004.0413.20_bg_1/003.F2.20.bg_1_2783.ms.fits[*,1](1) H-alpha 136.349 cont 46.3978 2.9387 -38.774 1.12919
2004.0413.20_bg_1/004.F2.20.bg_1_2482.ms.fits[*,1](1) H-alpha 41.4075 cont 22.6606 1.8273 -16.5459 1.12643
2004.0413.20_bg_1/005.F2.20.bg_1_2826.ms.fits[*,1](1) H-alpha 33.585 cont 31.5304 1.06516 -1.30321 1.30431
2004.0413.20_bg_1/006.F2.20.bg_1_2559.ms.fits[*,1](1) H-alpha 58.4938 cont 54.7048 1.06926 -1.38526 0.94649
2004.0413.20_bg_1/007.F2.20.bg_1_2585.ms.fits[*,1](1) H-alpha 47.4761 cont 16.0101 2.96539 -39.3078 1.27284
2004.0413.20_bg_1/008.F2.20.bg_1_2439.ms.fits[*,1](1) H-alpha 49.1926 cont 56.5069 0.870558 2.58884 1.21163
2004.0413.20_bg_1/009.F2.20.bg_1_2411.ms.fits[*,1](1) H-alpha 35.2172 cont 45.0136 0.782368 4.35265 1.29571
2004.0413.20_bg_1/010.F2.20.bg_1_2384.ms.fits[*,1](1) H-alpha 59.3069 cont 52.4427 1.13089 -2.61779 0.94662