2021gwa results

Information

Transient
Name:SN2021gwa
Right ascension: 15h42m37.08s
Declination:6d51m16.34s
Discovery Date:March 18, 2021, 11:59 a.m.
Classification:SN Ia
Redshift:0.070360
MW E(B-V):0.041
Host
Name:2021gwa
Right ascension: 15h42m37.50s
Declination:6d51m24.91s
Redshift:0.070356
Photometric Redshift:0.078
 

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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 21.46
Transient MWEBV processed 0.07
Host match processed 3.15
Host information processed 0.11
Host MWEBV processed 0.06
Global aperture construction processed 0.71
Global aperture photometry processed 6.63
Validate global photometry processed 19.93
Global host SED inference processed 596.6
Local aperture photometry processed 7.0
Validate local photometry processed 0.03
Local host SED inference processed 445.61
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h42m37.08s, 6d51m16.34s
semi major axis, semi minor axis (arcsec):1.49, 1.49
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 5.51 0.74 22.048 0.147 AB
DES_g 6.15 0.16 21.927 0.028 AB
PanSTARRS_g 5.94 0.33 21.965 0.061 AB
SDSS_r 12.85 1.14 21.127 0.097 AB
PanSTARRS_r 13.13 0.4 21.104 0.033 AB
DES_r 14.18 0.41 21.021 0.032 AB
SDSS_i 21.0 1.7 20.595 0.088 AB
PanSTARRS_i 19.11 0.41 20.697 0.023 AB
PanSTARRS_z 23.29 0.87 20.482 0.041 AB
SDSS_z 22.66 4.33 20.512 0.208 AB
DES_z 26.36 1.18 20.348 0.049 AB
PanSTARRS_y 25.98 1.88 20.364 0.078 AB

Aperture details

RA, DEC (J2000):15h42m37.59s, 6d51m26.31s
semi major axis, semi minor axis (arcsec):16.53, 7.6
angle (degrees, anti-clockwise from east):-133.07
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.05 2.26 21.394 0.245 AB
GALEX_NUV 12.74 2.34 21.137 0.200 AB
SDSS_g 1274.84 9.81 16.136 0.008 AB
DES_g 1268.01 1.86 16.142 0.002 AB
PanSTARRS_g 1424.35 2.6 16.016 0.002 AB
SDSS_r 2942.3 14.95 15.228 0.006 AB
PanSTARRS_r 3023.31 3.1 15.199 0.001 AB
DES_r 2982.26 5.44 15.214 0.002 AB
SDSS_i 4447.12 19.55 14.780 0.005 AB
PanSTARRS_i 4459.54 3.18 14.777 0.001 AB
PanSTARRS_z 5520.35 6.72 14.545 0.001 AB
SDSS_z 5933.59 37.12 14.467 0.007 AB
DES_z 5669.66 16.01 14.516 0.003 AB
PanSTARRS_y 6717.86 14.04 14.332 0.002 AB
2MASS_J 9233.33 326.75 13.092 0.038 Vega
2MASS_H 11689.83 465.03 12.363 0.043 Vega
2MASS_K 11000.12 487.27 11.959 0.048 Vega
WISE_W1 4409.39 51.96 12.090 0.013 Vega
WISE_W2 2538.95 45.73 12.049 0.020 Vega
WISE_W3 1203.58 138.85 11.025 0.125 Vega
WISE_W4 1636.21 825.3 9.245 0.548 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.800 8.913 9.041
{\rm log}_{10}({\rm SFR}) -2.225 -1.539 -1.008
{\rm log}_{10}({\rm sSFR}) -11.128 -10.466 -9.937
{\rm stellar\ age} 6.203 7.386 9.325

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.499 -0.894 -0.288
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.588 -0.543 0.239

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.495 0.994 1.451
\delta -0.196 0.083 0.278
\tau_1/\tau_2 0.713 1.036 1.381
Q_{PAH} 0.943 2.566 4.914
U_{min} 3.020 7.832 14.782
{\rm log}_{10}(\gamma_e)\, -2.945 -1.879 -0.739

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.236 -0.356 0.088
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.466 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.385 -1.533 -0.978
0.03-0.10 Gyr -2.424 -1.639 -1.013
0.10-0.33 Gyr -2.556 -1.728 -1.150
0.33-1.07 Gyr -2.722 -1.713 -1.120
1.07-3.52 Gyr -2.137 -1.222 -0.911
3.52-11.54 Gyr -1.319 -0.967 -0.790
11.54-12.82 Gyr -1.497 -0.910 -0.217

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.250 11.319 11.344
{\rm log}_{10}({\rm SFR}) -1.734 -1.228 -0.809
{\rm log}_{10}({\rm sSFR}) -13.055 -12.544 -12.142
{\rm stellar\ age} 9.991 12.129 12.180

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.650 -0.505 -0.383
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.528 -0.487 0.224

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.121 0.192 0.289
\delta -0.653 -0.331 -0.074
\tau_1/\tau_2 0.319 0.754 1.250
Q_{PAH} 0.524 1.644 3.414
U_{min} 2.946 8.791 16.715
{\rm log}_{10}(\gamma_e)\, -3.057 -1.855 -1.123

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.584 -3.837 -2.855
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.598 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.431 -0.923 -0.542
0.03-0.10 Gyr -4.602 -2.092 -0.989
0.10-0.33 Gyr -5.718 -2.639 -1.163
0.33-1.07 Gyr -5.895 -2.758 -1.147
1.07-3.52 Gyr -4.136 -1.982 -0.602
3.52-11.54 Gyr -1.806 -0.435 1.259
11.54-12.82 Gyr 2.112 2.456 2.489