Article, 2024
Type Ia Supernova Progenitor Properties and their Host Galaxies
The Astrophysical Journal,
ISSN
0004-637X,
1538-4357,
Volume 969,
2,
Page 80,
10.3847/1538-4357/ad4702
Contributors
Chakraborty, Sudeshna
0000-0003-2183-148X
(Corresponding author)
[1]
Sadler, Benjamin
[2]
Hoeflich, Peter
0000-0002-4338-6586
[1]
Hsiao, Eric Y
0000-0003-1039-2928
[1]
Phillips, Mark M
0000-0003-2734-0796
[3]
Burns, C. R.
[4]
Diamond, Tiara R
0000-0002-0805-1908
[1]
Dominguez, I.
[5]
Galbany, Lluís
0000-0002-1296-6887
[6]
[7]
Uddin, Syed Ashraf
0000-0002-9413-4186
[8]
Ashall, C.
[9]
Krisciunas, Kevin L
0000-0002-6650-694X
[10]
Kumar, Sahana
0000-0001-8367-7591
[1]
Mera, Tyco Brahe
[1]
Morrell, Nidia Irene
0000-0003-2535-3091
[3]
Baron, E.
[11]
[12]
[13]
Contreras, Carlos
0000-0001-6293-9062
[3]
Stritzinger, Maximilian David
0000-0002-5571-1833
[14]
Suntzeff, Nicholas B
0000-0002-8102-181X
[10]
Affiliations
- [1]
Florida State University
[NORA names:
United States; America, North; OECD];
- [2]
Western Governors University
[NORA names:
United States; America, North; OECD];
- [3]
Las Campanas Observatory
[NORA names:
Chile; America, South; OECD];
- [4]
Carnegie Mellon University
[NORA names:
United States; America, North; OECD];
- [5]
University of Granada
[NORA names:
Spain; Europe, EU; OECD];
(... more)
- [6]
Institut d'Estudis Espacials de Catalunya
[NORA names:
Spain; Europe, EU; OECD];
- [7]
Institute of Space Sciences
[NORA names:
Spain; Europe, EU; OECD];
- [8]
Texas Agricultural and Mechanical University, College Station, TX, USA
[NORA names:
United States; America, North; OECD];
- [9]
Virginia Tech
[NORA names:
United States; America, North; OECD];
- [10]
Texas A&M University
[NORA names:
United States; America, North; OECD];
- [11]
Planetary Science Institute
[NORA names:
United States; America, North; OECD];
- [12]
University of Oklahoma
[NORA names:
United States; America, North; OECD];
- [13]
Universität Hamburg
[NORA names:
Germany; Europe, EU; OECD];
- [14]
Aarhus University
[NORA names:
AU Aarhus University;
University; Denmark; Europe, EU; Nordic; OECD]
(less)
Abstract
We present an eigenfunction method to analyze 161 visual light curves (LCs) of Type Ia supernovae (SNe Ia) obtained by the Carnegie Supernova Project to characterize their diversity and host-galaxy correlations. The eigenfunctions are based on the delayed-detonation (DD) scenario using three parameters: the LC stretch s determined by the amount of deflagration burning governing the 56Ni production, the main-sequence mass M MS of the progenitor white dwarf controlling the explosion energy, and its central density ρ c shifting the 56Ni distribution. Our analysis tool (Supernova Parameter Analysis Tool) extracts the parameters from observations and projects them into physical space using their allowed ranges (M MS ≤ 8 M ⊙, ρ c ≤ 7–8 × 109 g cm−3). The residuals between fits and individual LC points are ≈1%–3% for ≈92% of objects. We find two distinct M MS groups corresponding to a fast (≈4–65 Myr) and a slow(≈200–500 Myr) stellar evolution. Most underluminous SNe Ia have hosts with low star formation but high M MS, suggesting slow evolution times of the progenitor system. 91T-like SNe show very similar LCs and high M MS and are correlated to star formation regions, making them potentially important tracers of star formation in the early Universe out to z ≈ 4–11. Some ∼6% outliers with nonphysical parameters using DD scenarios can be attributed to superluminous SNe Ia and subluminous SNe Ia with hosts of active star formation. For deciphering the SNe Ia diversity and high-precision SNe Ia cosmology, the importance is shown for LCs covering out to ≈60 days past maximum. Finally, our method and results are discussed within the framework of multiple explosion scenarios, and in light of upcoming surveys.
Keywords
Carnegie,
Carnegie Supernova Project,
DD scenario,
Ia supernovae,
Myr,
R c,
SNe,
SNe Ia,
Supernova Project,
Type Ia supernovae,
University,
active star formation,
amount,
analysis,
analysis tools,
correlation,
cosmology,
curves,
days past maximum,
deflagration,
distribution,
diversity,
dwarf,
early universe,
eigenfunction method,
eigenfunctions,
energy,
evolution,
evolution time,
explosion,
explosion energy,
explosion scenarios,
formation,
formation region,
framework,
group,
host,
light curves,
low star formation,
m-MS,
maximum,
method,
nonphysical parameters,
objective,
observations,
outliers,
parameters,
physical space,
point,
production,
progenitor system,
progenitor white dwarf,
progenitors,
project,
range,
region,
residues,
results,
scenarios,
space,
star formation,
star formation regions,
stellar evolution,
stretch s,
supernova,
survey,
system,
time,
tools,
tracer,
tracers of star formation,
type,
visual light curve,
white dwarfs
Funders
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