IHW COMET HALLEY UNREDUCED SPECTRA V1.0

NASA's International Halley Watch (IHW) has created a Comet Halley Archive. The collection of data spans the full wavelength range as submitted by scientists to the IHW. The observations belong to one of the following Disciplines: Amateur, Astrometry, Infrared Studies, Large-Scale Phenomena, Meteor Studies, Near-Nucleus Studies, Photometry and Polarimetry, Radio Studies, and Spectroscopy and Spectrophotometry. The data collected by these nine disciplines were augmented by Spacecraft measurements. The data were submitted to IHW, but the evaluation and selection for the Archive has been the primary responsibility of the Discipline Specialist Teams for each network in cooperation with the Lead Center. The Spectroscopy and Spectrophotometry Network collected 284 data files that were considered unreduced ('raw'), some having calibration spectra. The non-Halley targets for the spectroscopic observations can be grouped according to 'laboratory' calibration, dark, bias, flatfield, sky, and photometric standards. In the first category, a large number of 'arcs' and 'lamps' were used as follows: HE-NE, TH-AR, NE-AR, CU-AR, CU-NE, Thorium, Tungsten, Quartz, and Rubidium. For the 'sky' observers used the twilight, moonlight, and blank sky. The most common 'photometric' standards were stars, but observers also included other comets (Hartley-Goode), asteroids (Ceres), reflection nebulae (R8), and emission nebulae (NGC1982, NGC7000). A list of these stellar calibration targets follows: HD 140283, HD 184711, HD89688, HD102870, HD120086, HD13974, HD219188, HD 25680, HD 19445, HD18803, HD30455, HD26912, SAO 1280, HZ15, CD-22 7696, GD 190, GC5106, GC2188, GC2192, G19113213, G 99-37, L745-46A, Feige 15, Feige 56, Landolt 98, Landolt 92, Van Beuren, RHO ORION, CHI 1 ORION, 29 PI LEO. The data covered the date range 1983 October 10 through 1986 November 14.

Data and Resources

This dataset has no data

Additional Info

Field Value
Maintainer Thomas Morgan
Last Updated July 17, 2025, 15:48 (UTC)
Created March 31, 2025, 19:18 (UTC)
accessLevel public
accrualPeriodicity irregular
bureauCode {026:00}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://data.nasa.gov/data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
harvest_object_id 69149441-85b8-48b2-8110-292d777ce242
harvest_source_id 61638e72-b36c-4866-9d28-551a3062f158
harvest_source_title DNG Legacy Data
identifier urn:nasa:pds:context_pds3:data_set:data_set.ihw-c-spec-2-edr-halley-v1.0_gjq2-9ixv
issued 2018-06-26
landingPage https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=IHW-C-SPEC-2-EDR-HALLEY-V1.0
modified 2023-01-26
programCode {026:005}
publisher National Aeronautics and Space Administration
references {https://pds.nasa.gov}
resource-type Dataset
source_datajson_identifier true
source_hash b6af6c1b8a2ebcf98303f9dec651c5b611301baeefc9e8559f48b4802a726031
source_schema_version 1.1
theme {"Earth Science"}