'Dusty red galaxies' presentation slideshows

428 views • 33 slides

The Star Formation- Density Relation …and the Cluster Abell 901/2 in COMBO-17

The Star Formation- Density Relation …and the Cluster Abell 901/2 in COMBO-17. Christian Wolf (Oxford) Eric Bell, Anna Gallazzi, Klaus Meisenheimer (MPIA Heidelberg) Alfonso Aragon-Salamanca, Meghan E. Gray, Kyle Lane (Nottingham). Morphology-Density Relation. Morph-density relation

391 views • 23 slides

Coma at z=1.24

VLT/ISAAC. Lidman et al. 2004. Coma at z=1.24. Kodama&Arimoto 97 models Z F = 2 , 3 , 5. E. S0. Late. Piero Rosati -- Old galaxies at z=1-1.4. RDCS1252 ( z = 1.24) C-M Relation with HST/ACS and VLT/ISAAC (Blakeslee et al. 03; Lidman et al. 03; Rosati et al . 04). HST/ACS.

354 views • 16 slides

Coma at z=1.24

VLT/ISAAC. Lidman et al. 2004. Coma at z=1.24. Kodama&Arimoto 97 models Z F = 2 , 3 , 5. E. S0. Late. Piero Rosati -- Old galaxies at z=1-1.4. RDCS1252 ( z = 1.24) C-M Relation with HST/ACS and VLT/ISAAC (Blakeslee et al. 03; Lidman et al. 03; Rosati et al . 04). HST/ACS.

166 views • 16 slides

Optical photometry

Optical photometry. Coverage. CFH12K BVRI (limited area; but all patches have full filter coverage) Less stable calibration, but contiguous area Megacam ugriz (9h lacks u; 21h lacks i) Wide field, stable reduction: chip gaps. 2h coverage. B/u V/g R/r I/i/K/IRAC. 9h coverage. B/u V/g

327 views • 15 slides

Medium-Band Photometric Redshifts

Medium-Band Photometric Redshifts. UCL Meeting 16 Sep 2008. Christian Wolf. flux / qef. 1000 nm. 400 nm. Redshift Errors & Resolution. Objects at different redshifts Filterset ? 's fixed. z = 0.843. G2 star vs. QSO z=3. z = 1.958. z = 2.828. E. colour. z=0.52. z=0.56. Sb.

259 views • 12 slides