2026abwb results

Information

Transient
Name:SN2026abwb
Right ascension: 21h43m29.57s
Declination:-3d32m42.36s
Discovery Date:Sept. 13, 2026, 7:29 a.m.
Classification:SN Ia
Redshift:0.086430
MW E(B-V):0.024
Host
Name:J214329.60-033242.18
Object ID:9906620181581900
Catalog Name:decals
Catalog Release:dr9
Right ascension: 21h43m29.60s
Declination:-3d32m42.18s
Redshift:None
Photometric Redshift:0.065
Dataset
Version:1
 

Cutout Download Report

Downloadable 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 19.6
Transient MWEBV processed 0.11
Host match processed 6.23
Host information processed 0.1
Host MWEBV processed 0.11
Host spectrum download processed 0.11
Global aperture construction processed 0.65
Global aperture photometry processed 8.26
Validate global photometry processed 22.0
Global host SED inference processed 236.88
Local aperture photometry processed 8.2
Validate local photometry processed 0.03
Local host SED inference processed 422.52
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.175 10.372 10.520
{\rm log}_{10}({\rm SFR}) -2.166 -0.328 0.640
{\rm log}_{10}({\rm sSFR}) -12.495 -10.700 -9.630
{\rm stellar\ age} 2.651 7.180 9.143

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.669 -1.083 -0.585
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.414 -0.551 0.168

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.853 1.230 1.832
\delta -0.792 -0.549 -0.236
\tau_1/\tau_2 0.638 0.975 1.319
Q_{PAH} 0.298 1.403 4.493
U_{min} 3.036 8.835 17.206
{\rm log}_{10}(\gamma_e)\, -2.936 -1.562 -0.545

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.294 -2.454 -0.184
{\rm log}_{10}(\tau_{AGN})\, 1.009 1.475 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.825 -0.489 0.365
0.03-0.10 Gyr -2.666 -0.433 0.655
0.10-0.33 Gyr -2.330 -0.418 0.544
0.33-1.08 Gyr -2.241 -0.550 0.162
1.08-3.54 Gyr -1.846 -0.086 0.393
3.54-11.61 Gyr -0.926 0.394 0.598
11.61-12.90 Gyr -1.131 0.402 1.118
0.33-1.07 Gyr -2.330 -0.361 0.430
1.07-3.48 Gyr -2.233 0.016 0.560
3.48-11.36 Gyr -1.465 0.413 0.695
11.36-12.62 Gyr -1.797 0.462 1.275

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.941 11.012 11.092
{\rm log}_{10}({\rm SFR}) 0.392 0.646 0.874
{\rm log}_{10}({\rm sSFR}) -10.659 -10.377 -10.088
{\rm stellar\ age} 6.576 7.262 8.254

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.784 -0.446 -0.189
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.462 -0.361 0.283

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.701 0.896 1.119
\delta -0.227 -0.053 0.109
\tau_1/\tau_2 0.522 0.785 1.037
Q_{PAH} 1.085 1.813 2.678
U_{min} 2.211 6.207 13.441
{\rm log}_{10}(\gamma_e)\, -3.675 -3.193 -2.721

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.071 -2.012 -1.643
{\rm log}_{10}(\tau_{AGN})\, 0.755 0.871 1.174

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.657 0.944 1.147
0.03-0.10 Gyr -0.188 0.353 0.747
0.10-0.33 Gyr -0.145 0.274 0.666
0.33-1.08 Gyr -0.418 0.162 0.482
1.08-3.54 Gyr -0.067 0.560 0.882
3.54-11.61 Gyr 0.784 0.992 1.110
11.61-12.90 Gyr 0.461 0.963 1.421
0.33-1.07 Gyr -0.012 0.436 0.732
1.07-3.48 Gyr 0.286 0.840 1.120
3.48-11.36 Gyr 1.001 1.204 1.327
11.36-12.62 Gyr 0.607 1.148 1.623
 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h43m29.57s, -3d32m42.36s
semi major axis, semi minor axis (arcsec):1.24, 1.24
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 83.81 0.39 19.092 0.005 AB
PanSTARRS_r 222.86 0.55 18.030 0.003 AB
DES_r 254.79 1.32 17.885 0.006 AB
PanSTARRS_i 376.94 0.68 17.459 0.002 AB
DES_i 377.19 2.59 17.459 0.007 AB
PanSTARRS_z 450.8 1.15 17.265 0.003 AB
DES_z 576.52 3.6 16.998 0.007 AB
PanSTARRS_y 548.01 2.5 17.053 0.005 AB

Aperture details

RA, DEC (J2000):21h43m29.59s, -3d32m42.14s
semi major axis, semi minor axis (arcsec):13.73, 5.95
angle (degrees, anti-clockwise from east):255.63
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.19 1.54 20.946 0.110 AB
GALEX_NUV 22.25 1.28 20.532 0.062 AB
SDSS_u 110.08 10.87 18.796 0.107 AB
SDSS_g 531.83 6.72 17.086 0.014 AB
DES_g 491.6 1.07 17.171 0.002 AB
PanSTARRS_g 532.13 2.15 17.085 0.004 AB
SDSS_r 1051.88 9.97 16.345 0.010 AB
PanSTARRS_r 1056.64 3.23 16.340 0.003 AB
DES_r 1109.09 2.99 16.288 0.003 AB
SDSS_i 1917.51 14.37 15.693 0.008 AB
PanSTARRS_i 1605.68 4.4 15.886 0.003 AB
DES_i 1614.38 5.59 15.880 0.004 AB
PanSTARRS_z 2063.39 7.45 15.614 0.004 AB
SDSS_z 2295.59 40.63 15.498 0.019 AB
DES_z 2144.91 7.34 15.571 0.004 AB
PanSTARRS_y 2789.53 17.76 15.286 0.007 AB
2MASS_J 4160.3 191.9 13.957 0.050 Vega
2MASS_H 5214.44 329.54 13.239 0.069 Vega
2MASS_K 4943.34 374.68 12.827 0.082 Vega
WISE_W1 2970.85 57.8 12.519 0.021 Vega
WISE_W2 2011.99 60.1 12.302 0.032 Vega
WISE_W3 6126.67 144.4 9.258 0.026 Vega
WISE_W4 5466.87 1004.46 7.936 0.199 Vega