'Galaxy spectra' diaporamas de présentation

The importance of spectroscopic redshifts in EMU

The importance of spectroscopic redshifts in EMU. Minnie Yuan Mao UTas/CASS/AAO. Outline. ATLAS EMU Synergies The importance of redshift information Photometric Spectroscopic The need to train photometric redshifts and statistical redshifts Specific case study - WATs. ATLAS.

532 views • 37 slides

Recognition and Measuremeant for LAMOST Galaxy Spectra ? ? ? ? ? 2015

Recognition and Measuremeant for LAMOST Galaxy Spectra ? ? ? ? ? 2015. Introduction : Galaxy Module (GM) : LAMOST galaxy spectra recognition and measurement program; GM function , key method, and output products; Some test results and performance. Summary. Contents. 4.

451 views • 32 slides

Spectroscopic Surveys: Present

Spectroscopic Surveys: Present. Ching-Wa Yip The Johns Hopkins University March 21 st , 2007. Astronomical Spectroscopy & The Virtual Observatory, Workshop at ESAC 2007. Outline. Present Spectroscopic Surveys & Science Highlights SDSS & Science Techniques Needs and Challenges

480 views • 29 slides

The Nature of Galaxies

The Nature of Galaxies. Chapter 17. Elliptical. Other Galaxies. External to Milky Way established by Edwin Hubble used Cepheid variables to measure distance M31 (Andromeda Galaxy) far outside Milky Way Three basic types: elliptical spiral irregular. Spiral. Irregular.

325 views • 17 slides

Archetypal Analysis for Machine Learning

273 views • 15 slides

Large Scale Structure at the End of the Dark Ages

Large Scale Structure at the End of the Dark Ages. Elizabeth Stanway (for Laura Douglas). Also thanks to: Malcolm Bremer, Matt Lehnert, Aprajita Verma. A Century of Cosmology, Venice, 30th August 2007. Large Scale Structure at the End of the Dark Ages. Elizabeth Stanway

262 views • 9 slides

Stellar populations and their kinematics from high and medium resolution spectra: mixed inversions

158 views • 1 slides