2021aexs results

Information

Transient
Name:SN2021aexs
Right ascension: 8h42m11.97s
Declination:52d46m03.50s
Discovery Date:Nov. 20, 2021, 7:12 a.m.
Classification:SN Ia
Redshift:0.044000
MW E(B-V):0.025
Host
Name:24446
Right ascension: 8h42m11.69s
Declination:52d46m23.39s
Redshift:0.045242
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
GALEX_FUV
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 21.93
Transient MWEBV processed 0.05
Host match processed 4.2
Host information processed 0.06
Host MWEBV processed 0.05
Global aperture construction processed 0.76
Global aperture photometry processed 6.52
Validate global photometry processed 17.13
Global host SED inference processed 678.9
Local aperture photometry processed 6.4
Validate local photometry processed 0.03
Local host SED inference processed 480.9
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h42m11.97s, 52d46m03.50s
semi major axis, semi minor axis (arcsec):2.25, 2.25
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 4.18 1.49 22.348 0.387 AB
SDSS_g 24.76 1.55 20.416 0.068 AB
PanSTARRS_g 26.07 0.7 20.360 0.029 AB
SDSS_r 54.39 2.26 19.561 0.045 AB
PanSTARRS_r 54.85 0.8 19.552 0.016 AB
SDSS_i 81.92 2.95 19.116 0.039 AB
PanSTARRS_i 81.78 0.62 19.118 0.008 AB
PanSTARRS_z 98.51 1.81 18.916 0.020 AB
SDSS_z 105.88 6.56 18.838 0.067 AB
PanSTARRS_y 109.38 4.25 18.803 0.042 AB

Aperture details

RA, DEC (J2000):8h42m11.72s, 52d46m22.98s
semi major axis, semi minor axis (arcsec):26.38, 19.22
angle (degrees, anti-clockwise from east):-3.61
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 772.28 15.85 16.681 0.022 AB
SDSS_g 4598.91 19.63 14.743 0.005 AB
PanSTARRS_z 20693.28 18.52 13.110 0.001 AB
SDSS_z 21584.59 71.34 13.065 0.004 AB
PanSTARRS_y 25449.03 44.02 12.886 0.002 AB
2MASS_H 39373.12 721.55 11.044 0.020 Vega
WISE_W2 9126.17 97.62 10.660 0.012 Vega
WISE_W3 3057.34 210.43 10.013 0.075 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.066 9.205 9.351
{\rm log}_{10}({\rm SFR}) -2.155 -1.353 -0.853
{\rm log}_{10}({\rm sSFR}) -11.332 -10.514 -10.013
{\rm stellar\ age} 7.054 8.407 12.063

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.714 -1.240 -0.745
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.827 -0.838 0.283

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.776 1.134 1.397
\delta -0.324 0.034 0.256
\tau_1/\tau_2 0.637 1.011 1.381
Q_{PAH} 0.557 2.350 5.165
U_{min} 2.908 7.941 14.823
{\rm log}_{10}(\gamma_e)\, -3.019 -1.956 -0.940

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.965 -1.287 -0.328
{\rm log}_{10}(\tau_{AGN})\, 0.991 1.374 1.907

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.364 -1.337 -0.837
0.03-0.10 Gyr -2.569 -1.512 -0.822
0.10-0.33 Gyr -3.207 -1.753 -1.109
0.33-1.09 Gyr -3.763 -1.774 -1.120
1.09-3.59 Gyr -3.619 -1.450 -0.830
3.59-11.84 Gyr -1.702 -0.782 -0.547
11.84-13.15 Gyr -1.042 -0.318 0.404

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.333 11.403 11.509
{\rm log}_{10}({\rm SFR}) -2.312 -1.175 -0.248
{\rm log}_{10}({\rm sSFR}) -13.846 -12.585 -11.609
{\rm stellar\ age} 7.548 8.862 12.450

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.347 -0.208 -0.092
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.397 -0.703 -0.005

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.100 0.244 0.365
\delta -0.920 -0.689 -0.340
\tau_1/\tau_2 0.490 0.890 1.301
Q_{PAH} 0.195 0.575 1.591
U_{min} 2.739 7.890 15.407
{\rm log}_{10}(\gamma_e)\, -3.392 -2.508 -1.478

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.702 -4.079 -3.193
{\rm log}_{10}(\tau_{AGN})\, 1.068 1.585 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.561 -1.213 -0.334
0.03-0.10 Gyr -3.087 -1.289 -0.260
0.10-0.33 Gyr -3.157 -1.222 -0.003
0.33-1.09 Gyr -2.623 -0.825 0.259
1.09-3.59 Gyr -1.956 0.081 1.252
3.59-11.84 Gyr -0.504 1.421 1.640
11.84-13.15 Gyr 1.133 1.958 2.633