ABOUT LAMBDA

COBE DMR Products

DMR PROJECT DATA SETS
Product
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Description No. of
Files/Size
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
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
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
DMR ANALYZED SCIENCE DATA SETS
Product
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Description No. of
Files/Size
Cosmic Emission Sky Maps
Maps of CMB anisotropy derived by two techniques; 1 file per technique/projection. More...
4 files .26 MB each
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
DMR ANCILLARY DATA PRODUCTS
Product
Download Page
Description No. of
Files/Size
Custom Galaxy Cut
Defines pixels which lie outside a customized Galactic Plane cut. More...
2 files 47 KB each
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
DMR THIRD-PARTY PRODUCTS
Product
Download Page
Description No. of
Files/Size
4-year Sky Maps
DMR 4-year sky maps, HEALPix tessellation. More...
7 files .1 MB each
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
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

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. Eric R. Switzer
NASA Official: Dr. Eric R. Switzer
Web Curator: Mr. Michael R. Greason