III/44ivo://CDS.VizieR/III/44CDSJohnson H.L.2017-12-22T05:32:26Z1998-03-05T22:04:27ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frspectrophotometryThere are exactly 8192 spectral elements (points) in each spectrum, regularly spaced in terms of frequency. The first point corresponds to spectral frequency 0, while point number 8193 (not included) corresponds to the laser frequency. The 632.8nm laser frequency was doubled, producing an effective laser wavelength of about 316.4nm. Tentatively, it may be assumed that the exact laser wavelength is 316.43nm. The spectra have been normalized so that the bluest stars are approximately level from 480 to 1000nm. The spectra are linear in intensity with zero intensity at tabulated zero. It was not possible to make satisfactory atmospheric extinction corrections throughout all of the atmospheric bands; at places where corrections could not be made, the spectra were set (exactly) to zero. Some of these spectra have been published already (H.L. Johnson, Rev. Mex. Astron. Astrof. 2, 71, 1977); the remainder will be published soon (Rev. Mex. Astron. Astrofis., 4, 3). These published spectral plots contain in graphical form the information needed to evaluate the signal-to-noise ratios of the spectra on this tape. (From Harold L. Johnson, Dec. 13, 1977)1977RMxAA...2...71Jhttps://cdsarc.cds.unistra.fr/viz-bin/cat/III/44CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=III/44https://vizier.iucaa.in/viz-bin/VizieR-2?-source=III/44http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=III/44https://vizier.cds.unistra.fr/viz-bin/votable?-source=III/44https://vizier.iucaa.in/viz-bin/votable?-source=III/44http://vizieridia.saao.ac.za/viz-bin/votable?-source=III/44GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table III/44/stars (List of the stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/III/44/stars?https://vizier.iucaa.in/viz-bin/conesearch/III/44/stars?http://vizieridia.saao.ac.za/viz-bin/conesearch/III/44/stars?GETtext/xml+votable180.050000true346.18916715.2058330.0055555555555555566/1460 2282 2455 2476 2694 2884 3005 3030 3138 3625 6219 8477 8687 8767 9813 11851 13282 13301 13392 13414 13813 13861 14457 14646 14690 14855 14894 14906 15392 15633 15749 17716 18978 19309 20012 20322 21439 22787 22854 22862 22941 23540 24504 30543 30655 30718 31475 31478 32271https://cdsarc.cds.unistra.fr/viz-bin/moc/III/44?format=asciidefaultIII/44/starsList of the starsSpTMK spectral classification (from Simbad)src.spTypecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000? Right Ascension J2000 (1)pos.eq.ra;meta.mainnullableDEJ2000? Declination J2000 (1)pos.eq.dec;meta.mainnullableNameName of the starmeta.id;meta.maincharObs? Observation date, year (2)stime.epoch;obsnullableNobsNumber of observations.meta.numberintSpPlot the spectrum I({sigma})meta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar