SLIDE 1 Turning ageing inside-out
Javier Casado Gómez Currently homeless but...
Universidad Autónoma de Madrid (UAM) Leibniz institute for Astrophysics Potsdam (AIP) Yago Ascasibar Rubén García Benito 2nd SELGIFS Advanced School on Integral-Field Spectroscopy Data Analysis
SLIDE 2
What is ageing?
SLIDE 3 What is ageing?
your favourite color your favourite mass/luminosity indicator
RED SEQUENCE BLUE CLOUD
LONG STORY SHORT...
SLIDE 4 What is ageing?
your favourite color your favourite mass/luminosity indicator
RED SEQUENCE BLUE CLOUD
LONG STORY SHORT... green valley
SLIDE 5 What is ageing?
your favourite color your favourite mass/luminosity indicator
RED SEQUENCE BLUE CLOUD
LONG STORY SHORT... green valley
SLIDE 6 What is ageing?
your favourite color your favourite mass/luminosity indicator
RED SEQUENCE BLUE CLOUD
LONG STORY SHORT... green valley
SLIDE 7
Our own version of the story
SLIDE 8 The colour-EW (AGEING) diagram SSFR vs. SSFR Different proxies tracing different timescales
Our own version of the story
S L O W E R F A S T E R
SLIDE 9
Ageing
SLIDE 10 Ageing
Ha(EW) (u-r) color
TWO PROXIES FOR THE SSFR BUT WITH DIFFERENT TIME SCALES
107 yr 108.5 yr
OTHER PROXIES:
Mass → Mr Morphology → Galaxy Zoo Environment → R5/ȓ
SLIDE 11 Why do we believe in ageing?
Ha(EW) (u-r) color
SLIDE 12 Ha(EW) (u-r) color
SLOWER F A S T E R
All together now!
SLIDE 13 Ha(EW) (u-r) color
All together now!
SLOWER F A S T E R
SLIDE 14
What is this guy doing talking about SDSS? This is an IFS school!
SLIDE 15
- Aperture effects → Central and/or brightest parts
What is this guy doing talking about SDSS? This is an IFS school!
SLIDE 16
- Aperture effects → Central and/or brightest parts
Sab - R5/ȓ=1.86 E6 - R5/ȓ=1.50 Sb - R5/ȓ=2.13 Integrated CALIFA “Nucleus” CALIFA SDSS with SHIFU SDSS MPA-JHU
- IFS data → from 1 to ~2000 points in the color-EW diagram
What is this guy doing talking about SDSS? This is an IFS school!
SLIDE 17 ONGOING WORK
GALAXIES AGE ON RESOLVED SCALES (~1kpc) AND ACROSS THE ENTIRE SYSTEM MORPHOLOGY ENVIRONMENT
SLIDE 18
WHAT DO I WANT TO DO?
SLIDE 19 WHAT DO I WANT TO DO? MORE OBJECTS
MORPHOLOGY ENVIRONMENT
SLIDE 20 WHAT DO I WANT TO DO? MORE OBJECTS
24/40
MORPHOLOGY ENVIRONMENT 40 → 82500 galaxies However, 40 X ~2000 ≃ 80000 spectra
SLIDE 21 WHAT DO I WANT TO DO? MORE OBJECTS
24/40
MORPHOLOGY ENVIRONMENT 40 → 82500 galaxies However, 40 X ~2000 ≃ 80000 spectra
COMPLETENESS
SLIDE 22
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906
SLIDE 23
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906
SLIDE 24
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906
SLIDE 25
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906
SLIDE 26 WHAT DO I WANT TO DO? DIFFERENT SURVEYS
color
? ?
Ha(EW)
NGC2906
SLIDE 27 WHAT DO I WANT TO DO? OTHER SSFR PROXIES
Ha(EW) color D4000 H +/or Hɣ
? ? ?
SLIDE 28
WHAT DO I WANT TO DO? BINNED DATA
SLIDE 29 WHAT DO I WANT TO DO? BINNED DATA
PREVIOUS PLOTS
SLIDE 30 WHAT DO I WANT TO DO? MODELS AND ANCILLARY DATA Tools that provide SFR!
- Starlight
- PIPE3D
- PyParadise
- STECKMAP
And metallicities, SFH...
SLIDE 31 WHAT DO I WANT TO DO? MODELS AND ANCILLARY DATA Tools that provide SFR!
- Starlight
- PIPE3D
- PyParadise
- STECKMAP
And metallicities, SFH... Collaborations that have measured:
- Masses
- Morphologies
- Interaction stage
- Environment
AND COMPLETENESS CRITERIA
SLIDE 32 WHAT DO I WANT TO DO? MODELS AND ANCILLARY DATA Tools that provide SFR!
- Starlight
- PIPE3D
- PyParadise
- STECKMAP
And metallicities, SFH... Collaborations that have measured:
- Masses
- Morphologies
- Interaction stage
- Environment
AND COMPLETENESS CRITERIA
THE SELGIFS DATA CHALLENGE
SLIDE 33
WHAT DO I WANT TO DO? MORE OBJECTS DIFFERENT SURVEYS OTHER SSFR PROXIES BINNED DATA MODELS AND ANCILLARY DATA
SLIDE 34
WHY SO PICKY?
SLIDE 35
WHY SO PICKY?
SLIDE 36
WHY SO PICKY?
SLIDE 37
WHY SO PICKY? USE THIS “AGEING” DIAGRAM (OR ANY OTHER VERSION OF IT) AS A DIAGNOSTIC DIAGRAM OF THE EVOLUTIONARY STATE OF THE SYSTEM
SLIDE 38
WHAT DO I WANT TO KNOW? UNRAVELING THE MYSTERY OF
AGEING
SLIDE 39 WHAT DO I WANT TO KNOW? UNRAVELING THE MYSTERY OF
AGEING
LOCAL vs. GLOBAL
SLIDE 40 WHAT DO I WANT TO KNOW? UNRAVELING THE MYSTERY OF
AGEING
LOCAL vs. GLOBAL AGEING vs. QUENCHING THE TIMESCALES
SLIDE 41 WHAT DO I WANT TO KNOW? UNRAVELING THE MYSTERY OF
AGEING
LOCAL vs. GLOBAL AGEING vs. QUENCHING THE TIMESCALES THE ROLE OF SPATIAL (AND SPECTRAL) RESOLUTION
SLIDE 42 WHAT DO I WANT TO KNOW? UNRAVELING THE MYSTERY OF
AGEING
LOCAL vs. GLOBAL AGEING vs. QUENCHING THE TIMESCALES THE ROLE OF SPATIAL (AND SPECTRAL) RESOLUTION + THE LOW SIGNAL-TO-NOISE DATA (BaTMAn)
SLIDE 43 WHAT DO I WANT TO KNOW? UNRAVELING THE MYSTERY OF
AGEING
LOCAL vs. GLOBAL AGEING vs. QUENCHING THE TIMESCALES THE ROLE OF SPATIAL (AND SPECTRAL) RESOLUTION + THE LOW SIGNAL-TO-NOISE DATA (BaTMAn) THEORY!
SLIDE 44 WHAT DO I WANT TO KNOW? UNRAVELING THE MYSTERY OF
AGEING
LOCAL vs. GLOBAL AGEING vs. QUENCHING THE TIMESCALES THE ROLE OF SPATIAL (AND SPECTRAL) RESOLUTION + THE LOW SIGNAL-TO-NOISE DATA (BaTMAn) THEORY!
SLIDE 45
thank you!
