2014cy 1993R SUPERNOVA ENVIRONMENTAL STUDIES THROUGH INTEGRAL FIELD SPECTROSCOPY Lluís Galbany Fondecyt Fellow (U. Chile) 4 kpc Direct progenitor detection in pre-explosion images Why SN environments? CCSNe Stellar evolution (progenitors) Anderson, Modjaz, Prieto, Leloudas, Smartt, Sorderberg, Follatelli, Pignata... SNeIa Cosmology Improve standardization adding host/environment properties Reduce systematic errors Sullivan, Kelly, Howell, Lampeitl, Hamuy, D’Andrea, Gallagher... • Global properties photometry / imaging (Sullivan+10, Lampeitl+10, Anderson+09…) single-aperture /long-slit spectroscopy (@galaxy core) (Prieto+08, D’Andrea+12…) • Local properties central values + gradients (Boissier+09, Galbany+12…) single-aperture / long-slit spectroscopy (@SN position) (Anderson+10&12, Modjaz+11…) I Integral Field Spectroscopy The Calar Alto Legacy Integral Field Area (CALIFA) survey • survey of ~600 galaxies of all types at z=0.005 to 0.03 • diameter selected from SDSS DR7, 45 < D25 < 80, to fit in the IFU FOV CALIFA mother sample: 939 galaxies • IFS using PPAK @ 3.5m CAHA 2 setups: mid (V500) and high-res (V1200) spectral coverage [3700-7000 A] spatial resolution ~1 arcsec FoV ~1’ x ~1’ • • ~3000 spectra per galaxy data has been already freely distributed to the community: DR1 (100 galaxies), husemann+13 DR2 (200 galaxies), garcía-benito+15 DR3 (670 galaxies), sánchez+16 Analysis 1- continuum fit with single stellar population (SSP) models and STARLIGHT: CB07: 17 Ages 106 to 1.8 1010 M 4 metallicities 0.004, 0.05, 0.2, 2.5 Z (Z =0.02) Fλ (× 10−17 erg s−1 cm−2 Å−1) 8 AV = 0.27 <log(t∗)>M = 9.98 <log(t∗)>L = 8.65 <Z>M = 0.027 <Z>L = 0.007 60 50 40 30 20 10 0 10 5 3 - get REAL integrated (total) spectra, deprojected maps using Ha velocity field 0 6 6 2- construct strong line emission maps by fitting gaussians to the pure emission spectra 15 xi [%] 10 µi [%] Fit range: [3660:7000] Å 7 8 9 log(t∗) [yr] 10 6 7 8 9 log(t∗) [yr] 10 4 2 0 4000 4500 5000 5500 Rest wavelegth [Å] 6000 6500 7000 Analysis NGC 4210 Analysis FH` NGC 4210 Analysis FH` vH` NGC 4210 Analysis FH` vH` v* NGC 4210 Analysis FH` vH` v* <t*> NGC 4210 Analysis FH` vH` v* <t*> OIII/Ha NGC 4210 Analysis FH` vH` v* <t*> OIII/Ha BPT NGC 4210 Analysis FH` vH` v* <t*> OIII/Ha BPT AV NGC 4210 Analysis FH` vH` v* <t*> OIII/Ha BPT AV O/H NGC 4210 Analysis FH` vH` v* <t*> OIII/Ha BPT AV O/H DSFR … NGC 4210 Sample c ESO 2 Astronomy & Astrophysics manuscript no. IFU_P1_v9 September 17, 2014 cross-check SNe IAU list with CALIFA galaxies (by coord.) Nearby supernova host galaxies from the CALIFA Survey: I. Sample, data analysis, and correlation to star-forming regions L. Galbany1, 2, 3 , V. Stanishev1 , A. M. Mourão1 , M. Rodrigues4, 5 , H. Flores5 , R. García-Benito6 , D. Mast7 , M. A. Mendoza6 , S. F. Sánchez8 , C. Badenes9 , J. Barrera-Ballesteros10, 11 , J. Bland-Hawthorn12 , J. Falcón-Barroso10, 11 , B. García-Lorenzo10, 11 , J. M. Gomes13 , R. M. González Delgado6 , C. Kehrig6 , M. Lyubenova14 , A. R. López-Sánchez15, 16 , A. de Lorenzo-Cáceres17 , R. A. Marino18 , S. Meidt13 , M. Mollá19 P. Papaderos13 , M. A. Pérez-Torres6, 20, 21 , F. F. Rosales-Ortega22 , G. van de Ven14 , and the CALIFA Collaboratio (Affiliations can be found after the references) Received 31 July 2014 / Accepted 4 Setember 2014 ABSTRACT ronomy & Astrophysics manuscript no. IFU_P2_v4 ril 6, 2015 We use optical integral field spectroscopy (IFS) of nearby supernova (SN) host galaxies (0.005 < z < 0.03) provided by the Calar Alto c ESO 2015Field Area (CALIFA) Survey with the goal of finding correlations in the environmental parameters at the location of Legacy Integral di↵erent SN types. In this first study of a series we focus on the properties related with star formation (SF). We recover the sequence in association of di↵erent SN types to the star-forming regions by using several indicators of the ongoing and recent SF related to both the ionized gas and the stellar populations. While the total ongoing SF is on average the same for the three SN types, SNe Ibc/IIb tend to occur closer to star-forming regions and in higher SF density locations than SNe II and SNe Ia; the latter shows the weakest correlation. SNe Ia host galaxies have masses that on average are ⇠0.3-0.8 dex higher than those of the core collapse (CC) SNe hosts because the SNe Ia hosts contain a larger fraction of old stellar populations. Using the recent SN Ia delay-time distribution and the SFHs of the galaxies, we show that the SN Ia hosts in our sample are expected to produce twice as many SNe Ia as the CC SN hosts. Since both types occur in hosts with a similar SF rate and hence similar CC SN rate, this can explain the mass di↵erence between the SN Ia and CC SN hosts, and reinforces the finding that at least part of the SNe Ia originate from very old progenitors. By comparing the mean SFH of the eight least massive galaxies with that of the massive SF SN Ia hosts, we find that the low-mass galaxies formed their stars during a longer time (0.65%, 24.46%, and 74.89% in the intervals 0–0.42 Gyr, 0.42–2.4 Gyr, and > 2.4 Gyr, respectively) than the massive SN Ia hosts (0.04%, 2.01%, and 97.95% in these intervals). We estimate that the low-mass galaxies produce ten Collaboration times fewer SNe Ia and three times fewer CC SNe than the high-mass group. Therefore the ratio between the number of CC SNe and SNe Ia is expected to increase with decreasing galaxy mass. CC SNe tend to explode at positions with younger stellar populations than the galaxy average, but the galaxy properties at SNe Ia locations are one average the same as the global galaxy properties. Nearby supernova host galaxies from the CALIFA Survey: II. SN environmental metallicity L. Galbany1, 2 , V. Stanishev3 , A. M. Mourão3 , M. Rodrigues4, 5 , H. Flores5 , and the CALIFA (Affiliations can be found after the references) Received ————- / Accepted ————- Key words. stellar content Galaxies: general – techniques: spectroscopic – (Stars:) supernovae: general – galaxies: star formation – galaxies: ABSTRACT 1. Introduction We present the second study using optical Integral Field Spectroscopy (IFS) of nearby supernova (SN) host galaxies (0.005 < z < 0.03) to characterize the environmental parameters at the location of di↵erent SN types. We increased the sample from Galbany et al. (2014) Supernova (SN) explosions are one of the key processes that with 29 objects, which makes a total sample of 125 SNe of all types in 110 galaxies. In this work we focused ondrive studying the SN evolution of galaxies. Throughout their lifethe chemical environmental metallicities, for which wide-field IFS enables proper comparisons of di↵erent approaches. Using the O3N2 calibrator time, stars fuse lighter into heavier chemical elements in their from Marino et al. (2013), we found that the average metallicity at the location of SNe Ia is higher than at the position of CC cores, andSNe the by explosion at the end of a star’s life is responsible 0.05 dex, being similar but slightly higher for Ibc than for SN II. While the central and total metal abundances are similar for CC SN for dispersing the newly synthesized heavy elements into the inand SNIa hosts, the stellar metallicity of SN Ia host is significantly higher than that of CC SN host galaxies (< Z>⇠ 0.010). When terstellar medium the AGN contribution is excluded from the total spectra, the average metallicity of the SNe Ia host galaxies is 0.03 dex higher than (ISM). The next generation of stars form from gas that has already been enriched by heavier elements. Thus, the measured not excluding the AGN. This can be interpreted as a systematic e↵ect when measuring metallicities of galaxies which starting from gas consisting of only H, He, and a tiny fraction of structure cannot be resolved (dwarf galaxies at lower redshifts or any galaxy at higher redshifts). By comparing the SN environmental Li, the heavy-element content of galaxies gradually increases to collapse SNe (CC SNe). The end product of stars with m between ⇠0.5 and 8 M is a degenerate carbon-oxygen ( white dwarf (WD) (Becker & Iben 1980). The upper mass of C/O WDs is ⇠ 1.1 M (Dominguez et al. 1999), but if a star can increase its mass to ⇠1.4 M , thermonuclear reac can ignite in the center and the WD can be completely disru in a very bright thermonuclear explosion that leads to a ty SN (SNe Ia, Hoyle & Fowler 1960). CC SNe disperse amounts of intermediate mass elements (IME) such as oxyg carbon, but most of the synthesized iron-group elements re Star formation rate at SN locations 1.0 1.0 II - 33 Ibc/IIb - 20 Ia (all) - 42 Ia (active) - 35 0.8 local 0.6 Fraction of SNe Fraction of SNe 0.8 0.4 0.2 0.0 -2.0 total -1.5 -1.0 -0.5 0.0 0.5 log10(SFR [MO• yr-1]) 1.0 0.6 0.4 1.5 0.2 Even in galaxies with similar SFR, Ibc/IIb tend to explode in higher DSFR regions than II and Ia II − 33 Ibc/IIb − 20 Ia (active) − 35 total galaxy Fraction of SNe Fraction of SNe 0.8 0.6 0.4 0.2 0.0 7.0 1.0 1.0 0.8 0.8 0.6 0.4 0.2 7.5 8.0 8.5 9.0 <log (t*/yr)> 9.5 10.0 -3 -2 -1 -1 -2 log10 (Σ SFR [MO• yr kpc ]) at SN position Fraction of SNe 1.0 0.0 -4 II - 33 Ibc/IIb - 20 Ia (all) - 42 Ia (active) - 35 0.0 10.5 0 II − 33 Ibc/IIb − 20 Ia (active) − 35 total galaxy 20 40 60 80 Percent young stellar popullations 0 0.6 0.4 0.2 0.0 100 0 II − 33 Ibc/IIb − 20 Ia (active) − 35 total galaxy 20 40 60 Hα equivalent width [A] 80 100 Local host galaxy properties - star forming regions 1.0 Fraction of SNe 0.8 0.6 0.4 0.2 0.0 0.0 Ia (all) − 42 Ia (SF) − 35 Ib/c − 20 II − 33 0.5 1.0 1.5 Distance to the nearest HII region [kpc] 2.0 SN environments in the submillimeter NGC 2906 − log(Hα flux) −14.8 EDGE survey CO observations of 175 CALIFA galaxies using CARMA with 2 configurations D+E Dec[arcsec] 20 CO 1 0 0 (2.6mm) intensity maps 23 SN host galaxies (26 SNe) −20 2 kpc 1.0 −18.0 20 0 R.A.[arcsec] −20 0.8 NGC 5056 − log(Hα flux) Fraction of SNe −15.0 Dec[arcsec] 20 0.6 0.4 0 Local Ia − 7 Ibc/IIb − 7 II − 12 0.2 −20 0.0 −2.0 2 kpc −18.0 20 0 R.A.[arcsec] −20 −1.5 −1.0 log10 (SCO [Jy km s−1]) −0.5 SN environments in the submillimeter NGC 2906 − log(Hα flux) −14.8 EDGE survey CO observations of 175 CALIFA galaxies using CARMA with 2 configurations D+E Dec[arcsec] 20 CO 1 0 0 (2.6mm) intensity maps 23 SN host galaxies (26 SNe) −20 2 kpc 1.0 −18.0 20 0 R.A.[arcsec] −20 0.8 NGC 5056 − log(Hα flux) Fraction of SNe −15.0 Dec[arcsec] 20 0.6 0.4 0 Local Ia − 7 Ibc/IIb − 7 II − 12 0.2 −20 0.0 0.0 2 kpc −18.0 20 0 R.A.[arcsec] −20 0.5 1.0 1.5 AV,gas [mag] 2.0 Metallicity gradients NGC4961 − 12+log(O/H)R13,O3N2 8.60 0.0 8.55 1.0 R (re) 1.5 2.0 0 8.45 8.40 8.35 8.30 −20 4 kpc 8.20 20 0 R.A.[arcsec] 8.25 0 2 0 1 4 R (kpc) −20 NGC2347 − 12+log(O/H)R13,O3N2 8.70 R (re) 2 12+log(O/H)R13,O3N2 8.6 0 8 3 4 8.5 8.4 −20 6 NGC2347 a = 8.667 b = −0.095 20 Dec[arcsec] 2.5 NGC4961 a = 8.535 b = −0.107 8.50 12+log(O/H)R13,O3N2 Dec[arcsec] 20 0.5 ~30% 4 kpc 8.30 20 0 R.A.[arcsec] −20 0 5 10 R (kpc) 15 Local metallicity 1.0 b) Targeted 0.8 0.6 0.4 Ia − 70 II − 92 Ic − 30 Ib − 28 IIb − 9 Ic−BL − 5 IIn − 35 0.2 0.0 Fraction of SNe Fraction of SNe 0.8 a) Untargeted 0.6 0.4 Ia − 171 II − 35 Ic − 22 Ib − 18 IIb − 8 Ic−BL − 10 0.2 0.0 8.2 8.3 8.4 8.5 12+log10(O/H) (local) 8.6 8.2 8.3 8.4 8.5 12+log10(O/H) (local) 8.6 Fraction of SNe 1.0 SN environmental studies with IFU <> state-of-the-art SNIFS + GMOS PMAS, CALIFA survey 1.0 Fraction of SNe 0.8 0.6 0.4 0.2 0.0 -4 II - 33 Ibc/IIb - 20 Ia (all) - 42 Ia (active) - 35 -3 -2 -1 log10 (Σ SFR [MO• yr-1 kpc-2]) at SN position 0 K13ab: Age and Z of the SN parent cluster. Small FoV (~6”x6”), high spatial resolution (0.2”x0.2”) G14: relation between SFR and SN type. G16: relation between O/H & Z and SN type. High FoV (1’x1’), low spatial resolution (1”x1”) See poster THE AMUSING SURVEY by Joe (All-weather MUse Supernova Integral field of Nearby Galaxies) outside! • ALL-WEATHER: makes use of non-optimal weather of Paranal. Many observations done in bright, THN conditions (avg. seeing 1.1”, from 0.7” to 1.5”). • MUSE: very efficient instrument. 3GB per cube, >4800 A. Basis for driving big data spectroscopic astronomy. • Supernova: Overall aim is to use MUSE to further understand supernova progenitors/explosions. Study SN environment and all other regions within the host. • Integral-field: 1’x1' FoV, 0.2” pixel scale. Image-like resolution but with ‘spaxels’. • Nearby: Allows in-depth study of gas and stellar populations. Classical assumptions for IFU work break-down. • Galaxies: Allows cross-field collaborations. Galaxy studies: evolution, dynamics, stellar populations… Aimed to be an open collaboration with regular data releases including all kinds of data products See poster THE AMUSING SURVEY by Joe (All-weather MUse Supernova Integral field of Nearby Galaxies) outside! • ALL-WEATHER: makes use of non-optimal weather of Paranal. Many observations done in bright, THN conditions (avg. seeing 1.1”, from 0.7” to 1.5”). • MUSE: very efficient instrument. 3GB per cube, >4800 A. Basis for driving big data spectroscopic astronomy. • Supernova: Overall aim is to use MUSE to further understand supernova progenitors/explosions. Study SN environment and all other regions within the host. • Integral-field: 1’x1' FoV, 0.2” pixel scale. Image-like resolution but with ‘spaxels’. • Nearby: Allows in-depth study of gas and stellar populations. Classical assumptions for IFU work break-down. • Galaxies: Allows cross-field collaborations. Galaxy studies: evolution, dynamics, stellar populations… Aimed to be an open collaboration with regular data releases including all kinds of data products See poster THE AMUSING SURVEY by Joe (All-weather MUse Supernova Integral field of Nearby Galaxies) outside! • ALL-WEATHER: makes use of non-optimal weather of Paranal. Many observations done in bright, THN conditions (avg. seeing 1.1”, from 0.7” to 1.5”). • MUSE: very efficient instrument. 3GB per cube, >4800 A. Basis for driving big data spectroscopic astronomy. • Supernova: Overall aim is to use MUSE to further understand supernova progenitors/explosions. Study SN environment and all other regions within the host. • Integral-field: 1’x1' FoV, 0.2” pixel scale. Image-like resolution but with ‘spaxels’. • Nearby: Allows in-depth study of gas and stellar populations. Classical assumptions for IFU work break-down. • Galaxies: Allows cross-field collaborations. Galaxy studies: evolution, dynamics, stellar populations… Aimed to be an open collaboration with regular data releases including all kinds of data products THE AMUSING SURVEY TEAM • CORE: J. P. Anderson (PI, ESO Chile), L. Galbany (MAS/DAS), T. Kruehler (MPIA) • INV.: Chris Ashall (ARI, LJMU), Erik Aquino (UNAM), Subo Dong (Kavli Institute Beijing U.), Jesús Falcon-Barroso (IAC), Francisco Förster (CMM, U. de Chile), Santiago Gonzalez-Gaitan (CMM, U. de Chile), Claudia Gutierrez (MAS/DAS/ ESO), Mario Hamuy (DAS/MAS), Tom Holoien (Ohio State U.), Eric Hsiao (U. Florida), Phil James (ARI, LJMU), Christopher Kochanek (Ohio State U.), Hanin Kuncarayakti (MAS/DAS), Joe Lyman (U. Warwick), Juan-Carlos Maureira (CMM, U. de Chile), Enrique Pérez (IAA), Isabel Pérez (U. Granada), Mark Phillips (LCO), Kara Ponder (U. Pitt.), Jose-Luis Prieto (U. Diego Portales), Alessandro Razza (MAS/DAS), Fabián Rosales-Ortega (INAOE), Tomás Ruiz-Lara (U. Granada), Sebastian Sanchez (UNAM), Patricia Sánchez-Blázquez (PUC), Laura SánchezMenguiano (U. Granada), Steve Schulze (MAS/PUC), Ben Shappee (Carnegie Observatories), Kris Stanek (Ohio State U.), Maximilian Stritzinger (Aarhus U.), Lingzhi Wang (CASSACA/Calan, U. de Chile), W. Michael Wood-Vasey (U. Pitt.)… People from both supernova and galaxy communities and continuously increasing… MUSE-SV: Pilot study of 6 galaxies that hosted 11 SNe • HII region statistics: Distributions of SFR, oxygen abundance, Av extinction, and EW(Ha) measured in ALL HII regions in the galaxy, and characterization of the SN parent HII region. MUSE-SV: Pilot study of 6 galaxies that hosted 11 SNe • HII region statistics: Distributions of SFR, oxygen abundance, Av extinction, and EW(Ha) measured in ALL HII regions in the galaxy, and characterization of the SN parent HII region. Summary Summary Palau de la Música Catalana, Domènech i Muntaner et al. 1908