COBE DMR Products


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DMR PROJECT DATA SETS
DMR PROJECT DATA SETS
Product
Download Page		 Description No. Of
Files/Size		 Format Images
Pixelized Differential Data Calibrated differential antenna temperature and number of observations for each combination of sky positions observed simultaneously by a horn pair; 1 file per frequency/channel. More... 6 files 40 MB each FITS BINTABLE N/A
Sky Maps Differential temperature for each of 6144 map pixels covering the entire sky; 1 file per frequency/channel/projection. More... 12 files .26 MB each FITS BINTABLE N/A
Time-Ordered Data Calibrated time-ordered data; 1 file per day. Note: these data files are in VAX/VMS format and will be difficult for most people to work with. We also provide an identical data archive in FITS format. More... 1497 files 5 MB each Native N/A

DMR ANALYZED SCIENCE DATA SETS
DMR ANALYZED SCIENCE DATA SETS
Product
Download Page		 Description No. Of
Files/Size		 Format Images
Cosmic Emission Sky Maps Maps of CMB anisotropy derived by two techniques; 1 file per technique/projection. More... 4 files .26 MB each FITS BINTABLE [Image of DMR data]
Galactic Emission Sky Maps Calibrated differential antenna temperature and number of observations for each combination of sky positions observed simultaneously by a horn pair; 1 file per frequency/channel. More... 6 files .26 MB each FITS BINTABLE [Image of DMR data]

DMR ANCILLARY DATA PRODUCTS
DMR ANCILLARY DATA PRODUCTS
Product
Download Page		 Description No. Of
Files/Size		 Format Images
Custom Galaxy Cut Defines pixels which lie outside a customized Galactic Plane cut. More... 2 files 47 KB each ASCII N/A
DMR Skymap Info This file is intended to familiarize users of the COBE data sets with the COBE sky cube representation and to facilitate usage of the data sets by providing sky coordinate information. More... 1 file 228 KB FITS BINTABLE N/A

DMR THIRD-PARTY PRODUCTS
DMR THIRD-PARTY PRODUCTS
Product
Download Page		 Description No. Of
Files/Size		 Format Images
4-year Sky Maps DMR 4-year sky maps, HEALPix tessellation. More... 7 files .1 MB each FITS BINTABLE N/A
4-year Time-Ordered Science Data DMR 4-year calibrated, time-ordered, individual science observations (CIO) in FITS format. More... 48 files 203 MB each FITS BINTABLE N/A
4-year Time-Ordered Ancillary Data DMR 4-year time-ordered housekeeping data in ascii format, for use in conjunction with the above calibrated science data. More... 48 files 13 MB each ASCII N/A

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A service of the HEASARC and of the Astrophysics Science Division at NASA/GSFC
Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Alan P. Smale
LAMBDA Director: Dr. David T. Chuss
NASA Official: Dr. David T. Chuss
Web Curator: Michael R. Greason