2026zsb results

Information

Transient
Name:SN2026zsb
Right ascension: 7h43m25.00s
Declination:21d57m50.47s
Discovery Date:Aug. 22, 2026, 12:19 p.m.
Classification:SN Ia
Redshift:0.078150
MW E(B-V):0.045
Host
Name:J074325.30+215741.99
Object ID:9906629559848912
Catalog Name:decals
Catalog Release:dr9
Right ascension: 7h43m25.30s
Declination:21d57m41.99s
Redshift:0.078150
Photometric Redshift:None
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 22.32
Transient MWEBV processed 0.06
Host match processed 6.31
Host information processed 0.06
Host MWEBV processed 0.07
Host spectrum download processed 0.15
Global aperture construction processed 0.66
Global aperture photometry processed 8.21
Validate global photometry processed 21.63
Global host SED inference processed 341.76
Local aperture photometry processed 8.01
Validate local photometry processed 0.03
Local host SED inference processed 407.3
 

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})\, 7.602 7.930 8.138
{\rm log}_{10}({\rm SFR}) -2.155 -1.617 -1.042
{\rm log}_{10}({\rm sSFR}) -10.174 -9.563 -8.769
{\rm stellar\ age} 2.362 5.731 7.193

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.312 -0.606 -0.062
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.574 -0.773 0.056

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.200 0.656 1.244
\delta -0.334 0.099 0.319
\tau_1/\tau_2 0.660 0.979 1.286
Q_{PAH} 0.796 2.011 3.927
U_{min} 2.876 8.030 15.941
{\rm log}_{10}(\gamma_e)\, -2.980 -2.016 -0.824

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.322 -2.488 -0.247
{\rm log}_{10}(\tau_{AGN})\, 0.884 1.368 1.863

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.277 -1.601 -0.975
0.03-0.10 Gyr -2.445 -1.743 -1.135
0.10-0.33 Gyr -2.593 -1.880 -1.352
0.33-1.07 Gyr -2.755 -1.977 -1.539
1.07-3.50 Gyr -3.052 -1.990 -1.651
3.50-11.46 Gyr -3.508 -2.093 -1.729
11.46-12.73 Gyr -3.568 -2.086 -1.512
0.33-1.07 Gyr -2.767 -2.063 -1.643
1.07-3.50 Gyr -2.887 -1.990 -1.694
3.50-11.45 Gyr -3.214 -2.075 -1.769
11.45-12.73 Gyr -3.326 -2.103 -1.535

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.321 10.400 10.467
{\rm log}_{10}({\rm SFR}) -0.185 0.045 0.319
{\rm log}_{10}({\rm sSFR}) -10.631 -10.369 -10.058
{\rm stellar\ age} 5.985 6.906 7.702

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.099 -0.883 -0.697
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.493 -0.666 0.105

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.109 0.175 0.283
\delta -0.738 -0.466 -0.168
\tau_1/\tau_2 0.640 0.939 1.230
Q_{PAH} 0.559 1.270 2.394
U_{min} 2.670 7.290 14.321
{\rm log}_{10}(\gamma_e)\, -2.850 -1.918 -1.169

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.514 -3.645 -2.521
{\rm log}_{10}(\tau_{AGN})\, 1.046 1.503 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.176 0.048 0.230
0.03-0.10 Gyr -0.288 0.050 0.385
0.10-0.33 Gyr -0.345 0.020 0.357
0.33-1.07 Gyr -0.150 0.132 0.382
1.07-3.50 Gyr 0.169 0.419 0.622
3.50-11.46 Gyr 0.344 0.541 0.664
11.46-12.73 Gyr 0.070 0.506 0.912
0.33-1.07 Gyr -0.165 0.139 0.386
1.07-3.50 Gyr 0.173 0.424 0.627
3.50-11.45 Gyr 0.363 0.552 0.668
11.45-12.73 Gyr 0.057 0.508 0.906
 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h43m25.00s, 21d57m50.47s
semi major axis, semi minor axis (arcsec):1.35, 1.35
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 1.95 0.08 23.176 0.047 AB
PanSTARRS_g 1.79 0.37 23.269 0.226 AB
SDSS_r 2.86 0.8 22.758 0.303 AB
PanSTARRS_r 3.1 0.21 22.673 0.074 AB
DES_r 2.66 0.21 22.840 0.087 AB
SDSS_i 3.07 1.03 22.683 0.363 AB
PanSTARRS_i 4.69 0.59 22.222 0.137 AB
DES_i 3.66 0.48 22.490 0.144 AB
PanSTARRS_z 3.04 1.17 22.694 0.419 AB
SDSS_z -1.98 3.31 AB
DES_z 3.92 0.43 22.417 0.118 AB
PanSTARRS_y 2.37 2.47 22.963 1.131 AB

Aperture details

RA, DEC (J2000):7h43m25.29s, 21d57m42.13s
semi major axis, semi minor axis (arcsec):13.25, 9.2
angle (degrees, anti-clockwise from east):203.84
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 35.75 3.85 20.017 0.117 AB
GALEX_NUV 49.66 3.38 19.660 0.074 AB
SDSS_u 196.25 8.13 18.168 0.045 AB
SDSS_g 435.29 6.49 17.303 0.016 AB
DES_g 473.3 0.96 17.212 0.002 AB
PanSTARRS_g 469.61 3.03 17.221 0.007 AB
SDSS_r 735.45 8.8 16.734 0.013 AB
PanSTARRS_r 747.32 1.77 16.716 0.003 AB
DES_r 820.0 2.62 16.615 0.003 AB
SDSS_i 1004.43 11.1 16.395 0.012 AB
PanSTARRS_i 1001.98 4.78 16.398 0.005 AB
DES_i 1042.84 6.86 16.354 0.007 AB
PanSTARRS_z 1100.57 9.54 16.296 0.009 AB
SDSS_z 1113.07 28.19 16.284 0.027 AB
DES_z 1223.29 5.63 16.181 0.005 AB
PanSTARRS_y 1268.5 20.11 16.142 0.017 AB
2MASS_J 1545.86 190.36 15.032 0.134 Vega
2MASS_H 1861.51 306.16 14.358 0.179 Vega
2MASS_K 849.51 353.19 14.739 0.451 Vega
WISE_W1 718.19 28.56 14.060 0.043 Vega
WISE_W2 437.65 37.49 13.958 0.093 Vega
WISE_W3 1021.01 143.67 11.203 0.153 Vega
WISE_W4 1318.69 716.78 9.480 0.590 Vega