A dataset provided by the European Space Agency

Name 7402
Title Chromospheric Activity in Old Stars: Halo Subdwarfs Variability
URL https://hst.esac.esa.int/ehst/#/pages/search;proposal=7402;TAPCLIENT=DOI
DOI https://doi.org/10.5270/esa-alhue9c
Author Peterson, Ruth C.
Description This is a scientific proposal for HST mission. For specific information please visit https://archive.stsci.edu/proposal_search.php?id=7402&mission=hst
Publication
  • Atomic Transition Probabilities for Transitions of Si I and Si II and the Silicon Abundances of Several Very Metal-poor Stars
  • Atomic Transition Probabilities for UV and Blue Lines of Fe II and Abundance Determinations in the Photospheres of the Sun and Metal-poor Star HD 84937
  • Consistent Iron Abundances Derived from Neutral and Singly Ionized Iron Lines in Ultraviolet and Optical Spectra of Six Warm Metal-poor Stars
  • CoolCAT
  • Detailed Iron-peak Element Abundances in Three Very Metal-poor Stars
  • Detection of Al II in the Ultraviolet Spectra of Metal-poor Stars: An Empirical LTE Test of NLTE Aluminum Abundance Calculations
  • Detection of the Second r-process Peak Element Tellurium in Metal-poor Stars
  • Improved Log(gf) Values for Lines of Ti I and Abundance Determinations in the Photospheres of the Sun and Metal-Poor Star HD 84937 (Accurate Transition Probabilities for Ti I)
  • Improved Ni I log(gf) Values and Abundance Determinations in the Photospheres of the Sun and Metal-poor Star HD 84937
  • Improved Ti II Log(gf) Values and Abundance Determinations in the Photospheres of the Sun and Metal-Poor Star HD 84937
  • Improved V II Log(gf) Values, Hyperfine Structure Constants, and Abundance Determinations in the Photospheres of the Sun and Metal-poor Star HD 84937
  • In the Trenches of the Solar-Stellar Connection. VII. Wilson-Bappu 2022
  • Iron-group Abundances in the Metal-poor Main-Sequence Turnoff Star HD~84937
  • Modeling Mid-Ultraviolet Spectra. I. Temperatures of Metal-poor Stars
  • New Fe I Level Energies and Line Identifications from Stellar Spectra
  • New Fe I Level Energies and Line Identifications from Stellar Spectra. III. Initial Results from UV, Optical, and Infrared Spectra
  • Scandium Abundance in F-G-K Stars in a Wide Metallicity Range
  • The Diverse Origins of Neutron-capture Elements in the Metal-poor Star HD 94028: Possible Detection of Products of I-Process Nucleosynthesis
  • The Extreme Overabundance of Molybdenum in Two Metal-poor Stars
  • Trans-iron Ge, As, Se, and heavier elements in the dwarf metal-poor stars HD 19445, HD 84937, HD 94028, HD 140283, and HD 160617
  • Transition Probabilities of Co II Weak Lines to the Ground and Low Metastable Levels
  • Transition Probabilities of Sc I and Sc II and Scandium Abundances in the Sun, Arcturus, and HD 84937
Instrument STIS/CCD, STIS/FUV-MAMA, STIS/NUV-MAMA
Temporal Coverage 1998-12-02T14:11:37Z/1999-06-11T02:33:20Z
Version 1.0
Mission Description Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
Creator Contact https://support.cosmos.esa.int/esdc/index.php?/Tickets/Submit
Date Published 2006-12-20T15:35:54Z
Keywords Hubble, HST, HLA, HCV, ACS, COS, STIS, WFC3, FOC, FOS, HRS, NICMOS, WFPC, WFPC2
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Peterson comma Ruth C., 2006, 'Chromospheric Activity in Old Stars: Halo Subdwarfs' Variability', 1.0, European Space Agency, https://doi.org/10.5270/esa-alhue9c