Imaging with STIS on the Hubble Space Telescope: Astronomy at V = 30

Michael D. Gregg, Dante Minniti

Resultado de la investigación: Article

8 Citas (Scopus)

Resumen

In 1997 February, the second Space Shuttle servicing mission to the Hubble Observatory installed the Space Telescope Imaging Spectrograph (STIS). This new instrument greatly enhances the spectroscopic capabilities of the Hubble Space Telescope by providing a long-slit format and CCD detector technology. STIS can also be used as an imager, providing an alternative to the Wide Field Planetary Camera 2. The optical filter set of STIS is limited and does not contain standard bandpasses, but we show here that this does not preclude useful two-color broadband photometry. Because the STIS bandpasses reach ∼ 1.5 mag deeper than WFPC2, the STIS photometric system may be preferable for many applications where a faint limiting magnitude and fine spatial resolution are overriding considerations. The two optical wideband choices on STIS are a clear aperture and a longpass (λ. > 5500 Å) filter. We define an effective shortpass filter from the difference of these, making two-color photometry possible with STIS. We present preliminary transformations between the STIS system and Kron-Cousins BVRI bandpasses, showing that these transformations are very well behaved over almost all temperatures, luminosities, and abundances for normal stars. In an 8-orbit cycle, STIS will be able to reach signal-to-noise of ∼ 5-10 at V = 30.0 in its clear and longpass imaging modes, a significant increase in the power of HST to address a number of fundamental issues out of reach of current instrumentation capabilities on the ground or in space.

Idioma originalEnglish
Páginas (desde-hasta)1062-1067
Número de páginas6
PublicaciónPublications of the Astronomical Society of the Pacific
Volumen109
N.º739
EstadoPublished - sep 1997

Huella dactilar

astronomy
Hubble Space Telescope
spectrographs
telescopes
filter
photometry
broadband
color
filters
space shuttles
optical filters
space shuttle
format
slits
charge coupled devices
observatories
instrumentation
spatial resolution
apertures
cameras

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Citar esto

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title = "Imaging with STIS on the Hubble Space Telescope: Astronomy at V = 30",
abstract = "In 1997 February, the second Space Shuttle servicing mission to the Hubble Observatory installed the Space Telescope Imaging Spectrograph (STIS). This new instrument greatly enhances the spectroscopic capabilities of the Hubble Space Telescope by providing a long-slit format and CCD detector technology. STIS can also be used as an imager, providing an alternative to the Wide Field Planetary Camera 2. The optical filter set of STIS is limited and does not contain standard bandpasses, but we show here that this does not preclude useful two-color broadband photometry. Because the STIS bandpasses reach ∼ 1.5 mag deeper than WFPC2, the STIS photometric system may be preferable for many applications where a faint limiting magnitude and fine spatial resolution are overriding considerations. The two optical wideband choices on STIS are a clear aperture and a longpass (λ. > 5500 {\AA}) filter. We define an effective shortpass filter from the difference of these, making two-color photometry possible with STIS. We present preliminary transformations between the STIS system and Kron-Cousins BVRI bandpasses, showing that these transformations are very well behaved over almost all temperatures, luminosities, and abundances for normal stars. In an 8-orbit cycle, STIS will be able to reach signal-to-noise of ∼ 5-10 at V = 30.0 in its clear and longpass imaging modes, a significant increase in the power of HST to address a number of fundamental issues out of reach of current instrumentation capabilities on the ground or in space.",
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Imaging with STIS on the Hubble Space Telescope : Astronomy at V = 30. / Gregg, Michael D.; Minniti, Dante.

En: Publications of the Astronomical Society of the Pacific, Vol. 109, N.º 739, 09.1997, p. 1062-1067.

Resultado de la investigación: Article

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