Search Data.gov
Found 801 dataset(s) matching "Hardness".
-
The supermassive black holes at the center of active galactic nuclei (AGNs) are surrounded by obscuring matter that can block nuclear radiation. Depending on the amount of blocked radiation, the...
-
This table contains the 1SWXRT catalog of point sources detected by X-ray Telescope (XRT) on board of the Swift satellite during the first seven years of operation (Jan 2005 - Dec 2011). Swift is...
-
This table contains some of the results from a deep Chandra observation of the central regions of the late-type barred spiral galaxy NGC 2903. The Chandra data reveal soft...
-
The BeppoSAX High Energy Large Area Survey (HELLAS) has surveyed about 85 deg<sup>2</sup> of sky in the 4.5 - 10 keV band down to a flux of 4 - 5 x 10<sup>-14</sup>...
-
Reef fish survey data provided in this collection were gathered as part of the NOAA Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) led National Coral Reef...
-
Data provided in this collection are gathered as a part of the NOAA Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) led National Coral Reef Monitoring Program...
-
The reef fish survey data provided in this collection are gathered as part of the NOAA Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) led National Coral Reef...
-
Reef fish survey data provided in this collection are gathered as part of the NOAA Pacific Islands Fisheries Science Center (PIFSC), Coral Reef Ecosystem Program (CREP) led National Coral Reef...
-
To provide the census of the sources contributing to the X-ray background peak above 10 keV, the Nuclear Spectroscopic Telescope Array (NuSTAR) is performing extragalactic surveys using a...
-
This table contains the Chandra X-ray point source catalogs for 9 Hickson Compact Groups (HCGs, 37 galaxies) at distances of 34 to 89 Mpc. The authors perform detailed X-ray point source detection...
-
The towed-diver method is used to conduct benthic surveys, assessing large-scale disturbances (e.g., bleaching) and quantifying benthic components such as habitat complexity/type and the general...
-
The visual estimate data provided in this collection were gathered during towed-diver surveys around the Pacific Remote Island Areas. During towed-diver surveys, the diver records the percentage...
-
The visual estimate data provided in this collection were gathered during towed-diver surveys around American Samoa. During towed-diver surveys, the diver records the percentage cover of total...
-
The visual estimate data provided in this collection were gathered during towed-diver surveys around the Hawaiian Archipelago. During towed-diver surveys, the diver records the percentage cover of...
-
The visual estimate data provided in this collection were gathered during towed-diver surveys around the Mariana Archipelago. During towed-diver surveys, the diver records the percentage cover of...
-
This database is for a bottom longline (fixed gear) survey executed in the western and central Gulf of Maine targeting complex rocky habitats. The survey is operated from collaborating commercial...
-
<ul><li><b>Genotypic Data (VCFs):</b><ul><li>All VCF files contain imputed, biallelic SNPs derived from the same population but differ in the filtering strategies...
