J/AJ/124/3255ivo://CDS.VizieR/J/AJ/124/3255doi:10.26093/cds/vizier.51243255CDSvan der Marel R.P.Gerssen J.Guhathakurta P.Peterson R.C.Gebhardt K.2023-04-06T16:50:52Z2006-01-09T13:28:15ZCDS support team

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

cds-question@unistra.frglobular-star-clustersvisible-astronomybroad-band-photometryIn this series of two papers, we describe a project with the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope (HST) to measure the line-of-sight velocities of stars in the central few arcseconds of the dense globular cluster M15. This first paper focuses on the observations and reduction of the data. We "scanned" the central region of M15 spectroscopically by consecutively placing the 0.1" HST/STIS slit at 18 adjacent positions. The spectral pixel size exceeds the velocity dispersion of M15. This puts the project at the limit of what is feasible with STIS, and exceedingly careful and complicated data reduction and analysis were required.2002AJ....124.3255Vhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/124/3255CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+AS/119/307 : Position in M15 (Le Campion+, 1996)J/ApJ/347/251 : Dynamics of Globular Cluster M15 (Peterson+ 1989)J/AJ/115/708 : Radial Velocities in the Field of M15 (Drukier+ 1998)J/A+A/391/945 : HST phot. of 74 galactic globular clusters (Piotto+, 2002)J/ApJ/602/264 : Proper motions and radial velocities in M15 (Mcnamara+, 2004)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/124/3255https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/124/3255http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/124/3255https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/124/3255https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/124/3255http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/124/3255GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/124/3255/table1 (HST/WFPC2 Photometric Catalog of M15)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/124/3255/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/124/3255/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/124/3255/table1?GETtext/xml+votable180.050000true322.497698312.16976360.0055555555555555566/124053.322582951404819e-19 6.118840631666147e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/124/3255?format=asciiOpticaldefaultJ/AJ/124/3255/table1HST/WFPC2 Photometric Catalog of M15recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintVGGID number of the star, Cl* NGC 7078 VGG NNNNNmeta.id;meta.mainintdRARight ascension relative to cluster center (1)arcsecpos.eq.ra;arith.diffdoubledDEDeclination relative to cluster center (1)arcsecpos.eq.dec;arith.diffdoubleVmagJohnson V-band magnitudemagphot.mag;em.opt.VfloatBmagJohnson B-band magnitudemagphot.mag;em.opt.BfloatUmagJohnson U-band magnitudemagphot.mag;em.opt.Ufloat_RACoordinates computed from offsets and central position (x=y=0): 21:29:58.333+12:10:00.88 (right ascension part)degpos.eq.ra;meta.mainindexed_DECoordinates computed from offsets and central position (x=y=0): 21:29:58.333+12:10:00.88 (declination part)degpos.eq.dec;meta.mainindexed