Cosmos Filter Information

This page is maintained by Peter Capak

Filter Transmission Curves

Filter + Optics + Mirror + Atmosphere + Detector

All filters are in wavelength units of Angstroms and Transmission units of photons (QE)

SDSS Telescope Filters from the SDSS DR3 Camera Page These are at airmass of 1.3.

SDSS Filter Plot

CFHT Telescope Information

CFHT Megaprime Filters from SAGEM multiplied by the CFHT mirror, Megaprime-Optics, and CCDs at airmass of 1.2. Information can be found at the CFHT Filter Page and the Megaprime we site.

CFHT Filter Plot

Subaru Telescope Information

Subaru Telescope Broad Band Filters from the Suprime-Cam Filter Page which appears to no longer exist. These are at airmass of 1.2.

Subaru Broad Band Filter Plot

Subaru Telescope Intermediate Band Filters from the Suprime-Cam Intermediate Band Filter Page which is no longer in existance. Here is an internet archive backup of the intermediate band fitler page. These at airmass of 1.2 at the center of the filter.

Subaru Intermediate Band Filter Plot

Subaru Telescope Narrow Band Filters from the Suprime-Cam Narrow Band Filter Page which is no longer in existance. Here is an internet archive backup of the intermediate band fitler page. These at airmass of 1.2 at the center of the filter.

Subaru Narrow Band Filters

IR Telescope Information

IR Filter Tranmission profiles including atmosphere and detector. These are at airmass of 1.2.

IR filter Plot

UKIRT WFCAM Y Taken from the UKIRT-WIRCAM website
UKIRT/UH88 J Taken from the UKIRT-WIRCAM website
CFHT Wircam H Taken from The CFHT Filter Page and convolved with Atmosphere, optics, and detector
Flamingos/ISPI Ks Taken from the CTIO ISPI page
CFHT Wircam Ks Taken from The CFHT Filter Page and convolved with Atmosphere, optics, and detector

Filter + Optics + Mirror + Detector

Galex Filter Transmission Curves in units of QE from Morrissey et. al. (2004)

GALEX filter Plot

HST Transmission Curves from The ACS Manual and The NICMOS manual and WFPC2 curves Provided with the BPZ code

HST filter Plot

IRAC Transmission Curvevs from the IRAC Instrument page

IRAC filter Plot

NOTE: The Spitzer IRAC photometric system is not on the AB system. IRAC is calibrated relative to nu*Fnu=Const rather than Fnu=Const. However the difference is neglagable for the IRAC bands.

MIPS Transmission Curvevs from the MIPS Instrument page converted to units of QE.

MIPS filters

NOTE: The Spitzer MIPS photometric system are not calibrated on the AB system. MIPS is calibrated relative to a 10,000K black body. As a result there are zero-point offsets between the pipeline calibrated Spitzer data and the AB system. These offsets are given below and must be added to the measured magnitude. These corrections can be found on page 30 of the MIPS data hand book.

MIPS 24um	0.036
MIPS 70um	0.076
MIPS 160um	0.039