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
What is ageing?
What is ageing? LONG STORY SHORT... RED SEQUENCE your favourite color BLUE CLOUD your favourite mass/luminosity indicator
What is ageing? LONG STORY SHORT... RED SEQUENCE your favourite color green valley BLUE CLOUD your favourite mass/luminosity indicator
What is ageing? LONG STORY SHORT... RED SEQUENCE your favourite color green valley BLUE CLOUD your favourite mass/luminosity indicator
What is ageing? LONG STORY SHORT... RED SEQUENCE your favourite color green valley BLUE CLOUD your favourite mass/luminosity indicator
Our own version of the story
Our own version of the story S L O W E R F A S T E R The colour-EW (AGEING) diagram SSFR vs. SSFR Different proxies tracing different timescales
Ageing
Ageing 10 7 yr Ha(EW) (u-r) color 10 8.5 yr TWO PROXIES FOR THE SSFR OTHER PROXIES: BUT WITH DIFFERENT TIME SCALES Mass → Mr Morphology → Galaxy Zoo Environment → R 5 / ȓ
Why do we believe in ageing? Ha(EW) (u-r) color
SLOWER F A All together now! S T E R Ha(EW) (u-r) color
SLOWER F A All together now! S T E R Ha(EW) (u-r) color
What is this guy doing talking about SDSS? This is an IFS school!
What is this guy doing talking about SDSS? This is an IFS school! ◦ Aperture effects → Central and/or brightest parts
What is this guy doing talking about SDSS? This is an IFS school! ◦ Aperture effects → Central and/or brightest parts ◦ IFS data → from 1 to ~2000 points in the color-EW diagram Sb - R 5 / ȓ =2.13 Sab - R 5 / ȓ =1.86 E6 - R 5 / ȓ =1.50 Integrated CALIFA “Nucleus” CALIFA SDSS with SHIFU SDSS MPA-JHU
ONGOING WORK ENVIRONMENT MORPHOLOGY GALAXIES AGE ON RESOLVED SCALES (~1kpc) AND ACROSS THE ENTIRE SYSTEM
WHAT DO I WANT TO DO?
WHAT DO I WANT TO DO? ENVIRONMENT MORE OBJECTS MORPHOLOGY
WHAT DO I WANT TO DO? 24/40 ENVIRONMENT MORE OBJECTS 40 → 82500 galaxies MORPHOLOGY However, 40 X ~2000 ≃ 80000 spectra
WHAT DO I WANT TO DO? 24/40 ENVIRONMENT MORE OBJECTS 40 → 82500 galaxies MORPHOLOGY However, 40 X ~2000 ≃ 80000 spectra COMPLETENESS
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906
WHAT DO I WANT TO DO? DIFFERENT SURVEYS NGC2906 ? ? Ha(EW) color
WHAT DO I WANT TO DO? ? Ha(EW) OTHER ? ? SSFR D4000 PROXIES H +/or H ɣ color
WHAT DO I WANT TO DO? BINNED DATA
WHAT DO I WANT TO DO? PREVIOUS PLOTS BINNED DATA
WHAT DO I WANT TO DO? Tools that provide SFR! - Starlight - PIPE3D - PyParadise - STECKMAP And metallicities, SFH... MODELS AND ANCILLARY DATA
WHAT DO I WANT TO DO? Tools that provide Collaborations that SFR! have measured: - Starlight - Masses - PIPE3D - Morphologies - PyParadise - Interaction stage - STECKMAP - Environment And metallicities, AND SFH... COMPLETENESS CRITERIA MODELS AND ANCILLARY DATA
WHAT DO I WANT TO DO? Tools that provide Collaborations that THE SELGIFS DATA CHALLENGE SFR! have measured: - Starlight - Masses - PIPE3D - Morphologies - PyParadise - Interaction stage - STECKMAP - Environment And metallicities, AND SFH... COMPLETENESS CRITERIA MODELS AND ANCILLARY DATA
WHAT DO I WANT TO DO? DIFFERENT MORE SURVEYS OBJECTS BINNED OTHER DATA SSFR PROXIES MODELS AND ANCILLARY DATA
WHY SO PICKY?
WHY SO PICKY?
WHY SO PICKY?
WHY SO PICKY? USE THIS “AGEING” DIAGRAM (OR ANY OTHER VERSION OF IT) AS A DIAGNOSTIC DIAGRAM OF THE EVOLUTIONARY STATE OF THE SYSTEM
WHAT DO I WANT TO KNOW ? UNRAVELING THE MYSTERY OF AGEING
WHAT DO I WANT TO KNOW ? UNRAVELING THE MYSTERY OF AGEING LOCAL vs. GLOBAL
WHAT DO I WANT TO KNOW ? UNRAVELING THE MYSTERY OF AGEING LOCAL vs. GLOBAL AGEING vs. QUENCHING THE TIMESCALES
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
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)
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!
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!
thank you!
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