![Star types / Astrometry / Space observatories / Binary star / Exoplanetology / White dwarf / Cosmic distance ladder / Gaia / Quasar / WDS Star types / Astrometry / Space observatories / Binary star / Exoplanetology / White dwarf / Cosmic distance ladder / Gaia / Quasar / WDS](https://www.pdfsearch.io/img/2771eb7a7a57b839696bf9dded631db1.jpg) Date: 2016-07-30 19:27:59Star types Astrometry Space observatories Binary star Exoplanetology White dwarf Cosmic distance ladder Gaia Quasar WDS | | AS4 Letter of Intent: A time-domain spectroscopic survey of white dwarfs within 1 kpc Dan Maoz, Boris Gaensicke, Gijs Nelemans, Hans-Walter Rix We propose an AS4 project to obtain optical spectra of% of the half-mAdd to Reading ListSource URL: www.sdss.orgDownload Document from Source Website File Size: 53,39 KBShare Document on Facebook
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