- ID:
- ivo://CDS.VizieR/J/A+A/514/A2
- Title:
- AKARI/HIP and AKARI/2MASS samples
- Short Name:
- J/A+A/514/A2
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The AKARI, a Japanese infrared space mission, has performed an All-Sky Survey in six infrared-bands from 9 to 180um with higher spatial resolutions and better sensitivities than the Infrared Astronomical Satellite (IRAS). We investigate the mid-infrared (9 and 18um) point source catalog (PSC) obtained with the Infrared Camera (IRC) onboard AKARI, in order to understand the infrared nature of the known objects and to identify previously unknown objects. Color-color diagrams and a color-magnitude diagram were plotted with the AKARI-IRC PSC and other available all-sky survey catalogs. We combined the Hipparcos astrometric catalog and the 2MASS all-sky survey catalog with the AKARI-IRC PSC. We furthermore searched literature and SIMBAD astronomical database for object types, spectral types, and luminosity classes. We identified the locations of representative stars and objects on the color-magnitude and color-color diagram schemes. The properties of unclassified sources can be inferred from their locations on these diagrams.
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- ID:
- ivo://nasa.heasarc/akaripsc
- Title:
- AKARI/IRC All-Sky Survey Point Source Catalog, Version 1
- Short Name:
- AKARIPSC
- Date:
- 25 Apr 2025
- Publisher:
- NASA/GSFC HEASARC
- Description:
- The AKARI Infrared Astronomical Satellite observed the whole sky in the far-infrared (50-180 microns or um) and the mid-infrared (9 and 18 um) between May 2006 and August 2007 (Murakami et al. 2007PASJ...59S.369M) in six infrared bands between 9 um and 180 um. The AKARI/IRC Point Source Catalogue, Version 1.0 provides positions and fluxes for 870,973 sources observed with the InfraRed Camera (IRC): 844,649 sources in the S9W filter, and 194,551 sources in the L18W filter; the table below provides a summary of the IRC filter characteristics: <pre> Filter: S9W L18W Center(µm): 9 18 Width(µm): 4.10 9.97 Range(µm): 6.7-11.6 13.9-25.6 Pixel("): 9.4x9.4 10.4x9.4 Limit(mJy): 50 120 [at 5{sigma}] </pre> The users of the catalog are requested to carefully read the release note at <a href="http://www.ir.isas.jaxa.jp/AKARI/Observation/">http://www.ir.isas.jaxa.jp/AKARI/Observation/</a> before critical discussions of the data. Any questions and comments are appreciated at ISAS Helpdesk (iris_help@ir.isas.jaxa.jp) Please acknowledge the usage of the AKARI data (details at <a href="http://www.ir.isas.jaxa.jp/AKARI/Publications/guideline.html">http://www.ir.isas.jaxa.jp/AKARI/Publications/guideline.html</a>). This table was created by the HEASARC in May 2010 based on <a href="https://cdsarc.cds.unistra.fr/ftp/cats/II/297">CDS catalog II/297</a> file irc.dat. This is a service provided by NASA HEASARC .
- ID:
- ivo://CDS.VizieR/J/A+A/612/A85
- Title:
- AKARI IRC asteroid sample diameters & albedos
- Short Name:
- J/A+A/612/A85
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The AKARI IRC all-sky survey provided more than twenty thousand thermal infrared observations of over five thousand asteroids. Diameters and albedos were obtained by fitting an empirically calibrated version of the standard thermal model to these data. After the publication of the flux catalogue in October 2016, our aim here is to present the AKARI IRC all-sky survey data and discuss valuable scientific applications in the field of small body physical properties studies. As an example, we update the catalogue of asteroid diameters and albedos based on AKARI using the near-Earth asteroid thermal model (NEATM). We fit the NEATM to derive asteroid diameters and, whenever possible, infrared beaming parameters. We fit groups of observations taken for the same object at different epochs of the survey separately, so we compute more than one diameter for approximately half of the catalogue. We obtained a total of 8097 diameters and albedos for 5170 asteroids, and we fitted the beaming parameter for almost two thousand of them. When it was not possible to fit the beaming parameter, we used a straight line fit to our sample's beaming parameter-versus-phase angle plot to set the default value for each fit individually instead of using a single average value. Our diameters agree with stellar-occultation-based diameters well within the accuracy expected for the model. They also match the previous AKARI-based catalogue at phase angles lower than 50{deg}, but we find a systematic deviation at higher phase angles, at which near-Earth and Mars-crossing asteroids were observed. The AKARI IRC All-sky survey is an essential source of information about asteroids, especially the large ones, since, it provides observations at different observation geometries, rotational coverages and aspect angles. For example, by comparing in more detail a few asteroids for which dimensions were derived from occultations, we discuss how the multiple observations per object may already provide three-dimensional information about elongated objects even based on an idealised model like the NEATM. Finally, we enumerate additional expected applications for more complex models, especially in combination with other catalogues.
- ID:
- ivo://CDS.VizieR/II/297
- Title:
- AKARI/IRC mid-IR all-sky Survey
- Short Name:
- II/297
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The AKARI Infrared Astronomical Satellite observed the whole sky in the far infrared (50-180{mu}m) and the mid-infrared (9 and 18{mu}m) between May 2006 and August 2007 (Murakami et al. 2007PASJ...59S.369M) The AKARI/IRC Point Source Catalogue Version 1.0 provides positions and fluxes for 870,973 sources observed with the InfraRed Camera (IRC): 844,649 sources in the S9W filter, and 194,551 sources in the L18W filter; the "Note (1)" section below provides a summary of the IRC filter characteristics.
- ID:
- ivo://jvo/isas/darts/akari/AKARI-IRC_Spectrum_Pointed_SlitlessMIR_spectrum_1.0
- Title:
- AKARI/IRC MIR-S slit-less spectroscopic catalogue
- Short Name:
- AKARI_IRC_SPEC_V1
- Date:
- 27 Mar 2025 01:25:07
- Publisher:
- JVO
- Description:
- A catalogue of mid-infrared slit-less spectra (5.5-12.5 ?m) extracted from the AKARI/IRC MIR-S spectroscopic observation data. All 886 MIR-S spectroscopic data obtained in Phases 1&2 are analyzed, and 862 spectra of 604 individual sources that are little contaminated by nearby sources are catalogued. We also present a 9 ?m point source catalogue generated as a by-product. The point source catalogue contains 42,387 sources brighter than 0.3 mJy.
- ID:
- ivo://jvo/isas/darts/akari/AKARI-IRC_Spectrum_Pointed_SlitlessMIR_psc_1.0
- Title:
- AKARI/IRC MIR-S slit-less 9um point source catalogue
- Short Name:
- AKARI_IRC_SPEC_PSC_V1
- Date:
- 27 Mar 2025 01:22:25
- Publisher:
- JVO
- Description:
- This is a 9 um point source catalogue generated as a by-product of the "AKARI/IRC MIR-S slit-less spectroscopic catalogue". The point source catalogue contains 42,387 sources brighter than 0.3 mJy.
- ID:
- ivo://jvo/isas/darts/akari/AKARI-IRC_Spectrum_Pointed_DiffuseSkyPatch_1.0
- Title:
- AKARI/IRC NIR Low-resolution Spectral Catalogue of Diffuse Sky Patches
- Short Name:
- AKARI_IRC_SPEC_DSP
- Date:
- 27 Mar 2025 01:20:46
- Publisher:
- JVO
- Description:
- This catalog contains the 278 low-resolution (R~20) near-infrared (1.8-5.3 micron) spectra of diffuse sky covering a wide range of galactic and ecliptic latitudes with the Infrared Camera (IRC) onboard AKARI before the exhaustion of liquid-helium (from September 2006 to May 2007). Advanced reduction methods specialized for the slit spectroscopy of diffuse sky spectra are developed for constructing this spectral catalog.
- ID:
- ivo://jvo/isas/darts/akari/AKARI-IRC_Spectrum_Pointed_GALPN_1.0
- Title:
- AKARI/IRC NIR Spectral Atlas of Galactic Planetary Nebulae
- Short Name:
- AKARI_IRC_SPEC_GALPN
- Date:
- 27 Mar 2025 01:19:46
- Publisher:
- JVO
- Description:
- This catalog contains near-infrared (2.5--5.0 micron) low-resolution (R ~ 100) spectra of 72 Galactic Planetary Nebulae (PNe), obtained with the InfraRed Camera (IRC) onboard the AKARI satellite in the post-helium phase. The objects were treated as almost point sources for the IRC. Grism spectroscopy was carried out in the 1-arcmin window. The near-infrared spectra were obtained in a slit-less mode without any flux loss due to a slit. The spectra show emission features including hydrogen recombination lines, helium recombination lines, the 3.3--3.5 micron hydrocarbon features, [MgIV] at 4.49 micron, and [ArVI] at 4.53 micron. This catalog also contains the intensity and equivalent width of these emission features measured by spectral fitting. The source list (source.dat) summarizes observations. As ancillary data, the magnitudes in the V- and Ks-band, the extinction at V-band toward the objects, and the effective temperature collected from literature are listed in another table (misc.dat). The intensities and the equivalent widths of the emission features are tabulated in different tables (intens.dat and equivw.dat). Each object is identified by the PNG ID (PNG) or an observation ID (Obs-ID). One-dimensional near-infrared spectra are stored in a directory (spc/). Each spectrum is identified by the observation ID.
- ID:
- ivo://irsa.ipac/AKARI/Catalog/IRCPSC
- Title:
- AKARI/IRC Point Source Catalogue
- Short Name:
- AKARI/IRC
- Date:
- 01 Oct 2018 20:27:21
- Publisher:
- NASA/IPAC Infrared Science Archive
- Description:
- The AKARI/IRC Point Source Catalogue Version 1.0 provides positions and fluxes of 870,973 sources (844,649 sources in 9 micron band and 194,551 sources in 18 micron band) in the Mid-Infrared wavelengths. The IRC scanned 96 / 97 percent of the entire sky in 9 / 18 micron band twice or more during the 16 months of the cryogenic mission phase. The Point Source Catalogue is the primary catalogue from the AKARI IRC survey. The catalogue is designed to have a uniform detection limit over the entire sky, based on the uniform source detection limit per scan observation. Redundant observations are used to increase the reliability of the detection.
- ID:
- ivo://CDS.VizieR/J/PASJ/65/34
- Title:
- AKARI IRC slow-scan asteroid catalog, AcuA-ISS
- Short Name:
- J/PASJ/65/34
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present an asteroidal catalog from the mid-infrared wavelength region using the slow-scan observation mode obtained by the Infrared Camera (IRC) on-board the Japanese infrared satellite AKARI. An archive of IRC slow-scan observations comprising about 1000 images was used to search for serendipitous encounters of known asteroids. We have determined the geometric albedos and diameters for 88 main-belt asteroids, including two asteroids in the Hilda region, and compared these, where possible, with previously published values. Approximately one-third of the acquired data reflects new asteroidal information. Some bodies classified as C or D-type with high albedo were also identified in the catalog.
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