2021wzb

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Information

Transient

Name: SN2021wzb
Right ascension: 4h51m04.14s
Declination: -5d57m24.81s
Discovery Date: Aug. 26, 2021, 1:37 p.m.
Classification: SN Ia-91bg-like
Redshift: 0.047800
MW E(B-V): 0.055

Host

Name: 2021wzb
Right ascension: 4h51m04.73s
Declination: -5d57m37.54s
Redshift: 0.047800
Photometric Redshift: 0.026
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 5.8
Cutout download processed 0.03
Global aperture construction processed 0.63
Local aperture photometry processed 6.06
Global aperture photometry processed 6.31
Validate local photometry processed 0.02
Validate global photometry processed 15.19
Host information processed 0.09
Global host SED inference processed 557.31
Local host SED inference processed 463.02
Transient information processed 0.0
Transient MWEBV processed 0.14
Host MWEBV processed 0.08
Log transient processing status processed None
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 4h51m04.14s, -5d57m24.81s
semi major axis, semi minor axis (arcsec) = 2.14, 2.14
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 6.24 1.99 21.913 0.346 AB
SDSS_g 24.06 1.49 20.447 0.067 AB
DES_g 26.61 0.24 20.337 0.010 AB
PanSTARRS_g 23.63 0.56 20.466 0.026 AB
SDSS_r 54.89 2.18 19.551 0.043 AB
PanSTARRS_r 58.49 0.72 19.482 0.013 AB
SDSS_i 79.97 3.0 19.143 0.041 AB
PanSTARRS_i 80.45 0.97 19.136 0.013 AB
PanSTARRS_z 90.65 1.81 19.007 0.022 AB
SDSS_z 106.4 6.09 18.833 0.062 AB
PanSTARRS_y 123.77 3.4 18.668 0.030 AB

Aperture details

RA, DEC (J2000) = 4h51m04.73s, -5d57m37.35s
semi major axis, semi minor axis (arcsec) = 21.23, 17.18
angle (degrees, anti-clockwise from east) = -45.15

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 1126.71 18.83 16.270 0.018 AB
SDSS_g 4910.87 19.51 14.672 0.004 AB
DES_g 5207.14 2.91 14.609 0.001 AB
PanSTARRS_g 5217.89 5.26 14.606 0.001 AB
SDSS_r 11180.14 28.97 13.779 0.003 AB
PanSTARRS_r 11482.47 6.71 13.750 0.001 AB
SDSS_i 16668.19 37.66 13.345 0.002 AB
PanSTARRS_i 16449.1 8.9 13.360 0.001 AB
PanSTARRS_z 20282.92 16.11 13.132 0.001 AB
SDSS_z 22590.36 62.55 13.015 0.003 AB
PanSTARRS_y 25972.11 30.09 12.864 0.001 AB
2MASS_J 33083.36 445.7 11.706 0.015 Vega
2MASS_H 41083.93 639.04 10.998 0.017 Vega
2MASS_K 35683.18 897.66 10.681 0.027 Vega
WISE_W1 17602.39 120.81 10.587 0.007 Vega
WISE_W2 9880.61 108.79 10.574 0.012 Vega
WISE_W4 2227.72 1365.94 8.910 0.666 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.943 9.111 9.278
{\rm log}_{10}({\rm SFR}) -1.310 -0.836 -0.486
{\rm log}_{10}({\rm sSFR}) -10.499 -9.957 -9.510
{\rm stellar\ age} 5.862 7.362 9.430

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.484 -0.941 -0.414
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.047 0.276 0.412

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.706 1.108 1.424
\delta -0.501 -0.155 0.188
\tau_1/\tau_2 0.722 1.050 1.405
Q_{PAH} 0.508 1.600 3.671
U_{min} 2.848 7.756 14.616
{\rm log}_{10}(\gamma_e)\, -3.375 -2.491 -1.372

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.796 -2.141 -0.752
{\rm log}_{10}(\tau_{AGN})\, 0.891 1.342 1.847

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.073 -0.613 -0.333
0.03-0.10 Gyr -1.884 -1.058 -0.526
0.10-0.33 Gyr -2.195 -1.272 -0.760
0.33-1.09 Gyr -2.206 -1.237 -0.777
1.09-3.58 Gyr -1.899 -1.030 -0.703
3.58-11.81 Gyr -1.260 -0.833 -0.589
11.81-13.12 Gyr -1.324 -0.720 0.014

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.449 11.515 11.592
{\rm log}_{10}({\rm SFR}) -1.610 -0.496 0.567
{\rm log}_{10}({\rm sSFR}) -13.036 -11.991 -10.947
{\rm stellar\ age} 7.884 10.468 12.414

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.767 -0.457 -0.272
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.278 0.099 0.419

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.133 0.285 0.593
\delta -0.526 -0.059 0.190
\tau_1/\tau_2 0.438 0.863 1.293
Q_{PAH} 0.313 1.418 3.714
U_{min} 2.898 8.493 16.290
{\rm log}_{10}(\gamma_e)\, -3.066 -1.996 -1.427

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.610 -3.990 -3.107
{\rm log}_{10}(\tau_{AGN})\, 1.118 1.646 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.476 -0.550 0.272
0.03-0.10 Gyr -2.775 -0.629 0.589
0.10-0.33 Gyr -3.402 -0.897 0.280
0.33-1.09 Gyr -3.572 -1.123 0.090
1.09-3.58 Gyr -2.348 -0.418 0.711
3.58-11.81 Gyr -0.458 1.403 1.730
11.81-13.12 Gyr 1.414 2.418 2.721