Rubén Herrero-Illana
Interferometría...¿Magia o Ciencia?
Introduction
•
Rubén Herrero-Illana Charla CCD - 16/03/2011
Introduction
• • Hubble resolution: 0.05” (2.4m mirror).
Rubén Herrero-Illana Charla CCD - 16/03/2011
Introduction
• • Hubble resolution: 0.05” (2.4m mirror).• Radio (1cm) 50 Km mirror!
Rubén Herrero-Illana Charla CCD - 16/03/2011
Introduction
• • Hubble resolution: 0.05” (2.4m mirror).• Radio (1cm) 50 Km mirror!
Rubén Herrero-Illana Charla CCD - 16/03/2011
Introduction
• • Hubble resolution: 0.05” (2.4m mirror).• Radio (1cm) 50 Km mirror!
Rubén Herrero-Illana Charla CCD - 16/03/2011
Basics
Rubén Herrero-Illana Charla CCD - 16/03/2011
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
D
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
DD
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
DD
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
DD
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
DD
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
FT!!
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Rendijas
Pantalla
Foco
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Rendijas
Pantalla
Fuente
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Pantalla
Fuente
Antenas
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Fuente
Antenas
Ordenador
Double slit experiment
Rubén Herrero-Illana Charla CCD - 16/03/2011
Fuente
Antenas
Ordenador
D
u-v plane
Rubén Herrero-Illana Charla CCD - 16/03/2011
B
u-v plane
Rubén Herrero-Illana Charla CCD - 16/03/2011
B
u-v plane
Rubén Herrero-Illana Charla CCD - 16/03/2011
B
u
v
u
v
u-v plane
Rubén Herrero-Illana Charla CCD - 16/03/2011
B
u
v
u
v
u-v plane
Rubén Herrero-Illana Charla CCD - 16/03/2011
B
u
v
u
v
u-v plane
Rubén Herrero-Illana Charla CCD - 16/03/2011
B
u
v
u
v
u-v plane
Rubén Herrero-Illana Charla CCD - 16/03/2011
B
u
v
u
v
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
2 antennas
u-v coverage: Dirty beam
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
3 antennas
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
4 antennas
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
5 antennas
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
6 antennas
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
7 antennas
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
8 antennas
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
8 antennas x 2 samples
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
8 antennas x 6 samples
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
8 antennas x 30 samples
u-v coverage: Dirty beam
Rubén Herrero-Illana Charla CCD - 16/03/2011
Antenas
8 antennas x 107 samples
u-v coverage: Dirty beam
Observations
Rubén Herrero-Illana Charla CCD - 16/03/2011
Main ideas
• Flux calibrator.• Phase calibrators.• Best u-v coverage.• Real time VS Tapes.
Rubén Herrero-Illana Charla CCD - 16/03/2011
Interferometers
Rubén Herrero-Illana Charla CCD - 16/03/2011
Interferometers
Rubén Herrero-Illana Charla CCD - 16/03/2011
EVLA
Interferometers
Rubén Herrero-Illana Charla CCD - 16/03/2011
EVLAeMERLIN
Interferometers
Rubén Herrero-Illana Charla CCD - 16/03/2011
EVLAeMERLIN
Plateau de Bure
Interferometers
ALMA
Interferometers
ALMA
LOFAR
Interferometers
ALMASKA
LOFAR
VLBI
Rubén Herrero-Illana Charla CCD - 16/03/2011
Space - VLBI
Rubén Herrero-Illana Charla CCD - 16/03/2011
Rubén Herrero-Illana Charla CCD - 16/03/2011
IR and beyond...
Rubén Herrero-Illana Charla CCD - 16/03/2011
Cygnus A
Jennison & Das Gupta (1953)
Rubén Herrero-Illana Charla CCD - 16/03/2011
Cygnus A
Jennison & Das Gupta (1953)
Rubén Herrero-Illana Charla CCD - 16/03/2011
Cygnus A
Jennison & Das Gupta (1953)
Rubén Herrero-Illana Charla CCD - 16/03/2011
Cygnus A
Jennison & Das Gupta (1953)
Rubén Herrero-Illana Charla CCD - 16/03/2011
Jennison & Das Gupta (1953)
Krichbaum et al. (1998)
Cygnus A
Data reduction
Rubén Herrero-Illana Charla CCD - 16/03/2011
Software
Rubén Herrero-Illana Charla CCD - 16/03/2011
AIPSMost powerful software.
Created in 1970s (ancient FORTRAN).
IRAF ‘like’.
Software
Rubén Herrero-Illana Charla CCD - 16/03/2011
AIPS
CASA
Most powerful software.
Created in 1970s (ancient FORTRAN).
IRAF ‘like’.
Developed for ALMA.
C/C++ kernel / Python interface.
Nearly completed.
Step by step
• Data examination.• Amplitude calibration.• Phase calibration.• Imaging.
Rubén Herrero-Illana Charla CCD - 16/03/2011
Step by step
• Data examination.• Amplitude calibration.• Phase calibration.• Imaging.
Rubén Herrero-Illana Charla CCD - 16/03/2011
Imaging
Rubén Herrero-Illana Charla CCD - 16/03/2011
(J. Pety)
Source
Imaging
Rubén Herrero-Illana Charla CCD - 16/03/2011
(J. Pety)
Source Dirty beam(PSF)
Imaging
Rubén Herrero-Illana Charla CCD - 16/03/2011
(J. Pety)
Source Dirty beam(PSF)
Dirtyimage
Imaging
Rubén Herrero-Illana Charla CCD - 16/03/2011
(J. Pety)
Source Dirty beam(PSF)
Dirtyimage
Cleanimage
Some examples(LIRG biased!)
Rubén Herrero-Illana Charla CCD - 16/03/2011
Arp 299: Hunting SNe & AGN
Rubén Herrero-Illana Charla CCD - 16/03/2011
Pérez-Torres et al. 2009
Arp 299: Hunting SNe & AGN
Rubén Herrero-Illana Charla CCD - 16/03/2011
Pérez-Torres et al. 2009 Pérez-Torres et al. 2010
IC 1623
Rubén Herrero-Illana Charla CCD - 16/03/2011
3.6cm 814nm 435nm
¡Muchas gracias!