'Standard stars' presentation slideshows

Relative measurements with Synoptic surveys Photometry & Astrometry

Relative measurements with Synoptic surveys Photometry & Astrometry. Eran Ofek Weizmann Institute. Talk Layout. Motivation and science case Relative photometry Limiting factors Methods Linear regression Relative astrometry Effects and limiting factors

669 views • 56 slides

Photometric Techniques I Preliminary reductions and calibrations Sergio Ortolani

617 views • 43 slides

Your Observing Challenge: White Dwarfs in Open Star Clusters

Your Observing Challenge: White Dwarfs in Open Star Clusters. Star clusters are collections of stars born nearly-simultaneously. Once we know their ages, we can determine how different stars change with time. Messier 35 and NGC 2158 (CFHT). 47 Tucanae (HST).

589 views • 41 slides

The Photometric Calibration of the DES

The Photometric Calibration of the DES. Douglas L. Tucker (FNAL) Joint DOE/NSF Review of DES 29-31 January 2008. Basic Observing Strategy. Overlap with South Pole Telescope Survey (4000 sq deg). Survey Area. Observing Strategy 100 sec exposures 2 filters per pointing (typically)

497 views • 28 slides

Space: Missions, probes and beyond the solar system!

Space: Missions, probes and beyond the solar system!. New Horizons. New Horizons is a spacecraft. Will pass within 10,000km of Pluto and 27,000km of Charon. Speed freak with the record for the fastest-ever launch. A size of a grand piano.

346 views • 22 slides

VLT calibration issues Optical instruments

364 views • 15 slides

Small Telescopes and the Photometric Calibration of the Sloan Digital Sky Survey (SDSS)

Small Telescopes and the Photometric Calibration of the Sloan Digital Sky Survey (SDSS) Douglas Tucker. Sloan Digital Sky Survey (SDSS). SDSS I: 2000-2005 SDSS II: 2005-2008 2.5m telescope Imaged one-quarter of the sky in ugriz down to r~22.2 Obtained > 1 million spectra

153 views • 15 slides

Photometric Data Collection At The Burke Gaffney Observatory

Photometric Data Collection At The Burke Gaffney Observatory. By Jayme Derrah. Overview. Photometry At The BGO The Photometer Collecting Data Extinction Polaris Results Problems Encountered. Photometry At The BGO. No one has done this at the BGO for years

198 views • 12 slides

Nikolai Kiselev and Vera Rosenbush

265 views • 12 slides

H-R diagrams for star clusters

H-R diagrams for star clusters. H-R Diagram. Relation between luminosity L , temperature T and radius R : L = 4 ? R 2 ? T 4. H-R diagram for closest stars. Stellar evolution on H-R diagram. Theoretical isochrones. Observational diagrams H-R.

354 views • 12 slides

EAR-C-I0065_I1084-2-IMGTEMPEL1KPNO-V1.0

EAR-C-I0065_I1084-2-IMGTEMPEL1KPNO-V1.0. Matthew Knight (2nd reviewer). Overview. KPNO 2.1-m imaging of 9P/Tempel 1 from February-June 2005 (prior to Deep Impact) Contents: Raw and reduced data Calibration images (bias, flat, zero) Comparison stars Occasional reimaging of previous fields

143 views • 9 slides