2026isk results

Information

Transient
Name:SN2026isk
Right ascension: 12h18m45.07s
Declination:8d22m57.24s
Discovery Date:April 7, 2026, 6:05 a.m.
Classification:SN Ia
Redshift:0.090500
MW E(B-V):0.018
Host
Name:J121845.04+082257.25
Object ID:9906624664898298
Catalog Name:decals
Catalog Release:dr9
Right ascension: 12h18m45.04s
Declination:8d22m57.25s
Redshift:None
Photometric Redshift:0.096
 

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 18.77
Transient MWEBV processed 0.04
Host match processed 6.46
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.6
Global aperture photometry processed 5.85
Validate global photometry processed 17.83
Global host SED inference processed 447.11
Local aperture photometry processed 5.75
Validate local photometry processed 0.03
Local host SED inference processed 529.21
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h18m45.07s, 8d22m57.24s
semi major axis, semi minor axis (arcsec):1.19, 1.19
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 58.62 0.45 19.480 0.008 AB
DES_r 127.57 0.96 18.636 0.008 AB
PanSTARRS_i 137.93 0.4 18.551 0.003 AB
PanSTARRS_z 188.75 0.82 18.210 0.005 AB
DES_z 226.32 2.8 18.013 0.013 AB
PanSTARRS_y 201.08 1.83 18.142 0.010 AB

Aperture details

RA, DEC (J2000):12h18m45.04s, 8d22m57.49s
semi major axis, semi minor axis (arcsec):4.0, 2.82
angle (degrees, anti-clockwise from east):-40.25
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.43 0.45 23.513 0.343 AB
GALEX_NUV 1.55 0.29 23.423 0.203 AB
SDSS_u 16.61 3.23 20.849 0.211 AB
SDSS_g 93.13 2.69 18.977 0.031 AB
DES_g 94.3 0.62 18.964 0.007 AB
PanSTARRS_g 94.02 0.78 18.967 0.009 AB
SDSS_r 193.27 3.92 18.185 0.022 AB
PanSTARRS_r 183.97 1.25 18.238 0.007 AB
DES_r 210.43 1.3 18.092 0.007 AB
SDSS_i 283.22 4.93 17.770 0.019 AB
PanSTARRS_i 268.29 0.97 17.828 0.004 AB
PanSTARRS_z 350.16 2.11 17.539 0.007 AB
SDSS_z 389.66 9.51 17.423 0.026 AB
DES_z 362.86 3.66 17.501 0.011 AB
PanSTARRS_y 387.76 4.95 17.429 0.014 AB
2MASS_J 584.55 129.54 16.088 0.241 Vega
2MASS_H 573.77 175.1 15.636 0.331 Vega
2MASS_K 431.43 222.49 15.475 0.560 Vega
WISE_W1 181.0 9.39 15.557 0.056 Vega
WISE_W2 97.02 11.5 15.594 0.129 Vega
WISE_W3 -6.79 58.19 Vega
WISE_W4 66.39 388.3 12.725 6.350 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.757 9.851 9.921
{\rm log}_{10}({\rm SFR}) -1.766 -0.875 -0.195
{\rm log}_{10}({\rm sSFR}) -11.637 -10.754 -10.050
{\rm stellar\ age} 5.674 7.155 8.689

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.640 -0.355 -0.113
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.782 -1.188 -0.083

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.080 0.316 0.671
\delta -0.730 -0.297 0.104
\tau_1/\tau_2 0.704 1.053 1.390
Q_{PAH} 1.484 3.681 5.662
U_{min} 2.942 8.678 15.733
{\rm log}_{10}(\gamma_e)\, -3.064 -1.766 -0.494

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.938 -0.727 -0.370
{\rm log}_{10}(\tau_{AGN})\, 0.992 1.534 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.052 -1.277 -0.660
0.03-0.10 Gyr -1.885 -0.817 -0.070
0.10-0.33 Gyr -1.425 -0.594 -0.039
0.33-1.06 Gyr -1.794 -0.203 0.258
1.06-3.45 Gyr -1.726 -0.272 0.073
3.45-11.25 Gyr -2.002 -0.312 -0.005
11.25-12.50 Gyr -1.781 -0.239 0.432
0.33-1.06 Gyr -1.206 -0.523 -0.063
1.06-3.47 Gyr -0.981 -0.248 0.060
3.47-11.31 Gyr -0.414 -0.041 0.109
11.31-12.57 Gyr -0.610 0.052 0.668

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.141 10.210 10.301
{\rm log}_{10}({\rm SFR}) -1.498 -0.908 -0.352
{\rm log}_{10}({\rm sSFR}) -11.747 -11.113 -10.570
{\rm stellar\ age} 7.420 9.321 11.860

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.476 -1.150 -0.903
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.549 -0.569 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.272 0.410 0.569
\delta -0.815 -0.624 -0.427
\tau_1/\tau_2 0.574 0.987 1.415
Q_{PAH} 0.899 2.493 4.680
U_{min} 2.980 8.357 16.154
{\rm log}_{10}(\gamma_e)\, -1.965 -1.035 -0.358

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.984 -2.566 -1.646
{\rm log}_{10}(\tau_{AGN})\, 1.136 1.670 1.976

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.172 -1.481 -1.012
0.03-0.10 Gyr -1.563 -0.810 -0.206
0.10-0.33 Gyr -2.821 -1.040 -0.351
0.33-1.06 Gyr -3.614 -1.237 -0.504
1.06-3.45 Gyr -3.063 -0.865 -0.096
3.45-11.25 Gyr -1.512 0.305 0.502
11.25-12.50 Gyr 0.183 1.016 1.504
0.33-1.06 Gyr -3.803 -1.358 -0.578
1.06-3.47 Gyr -3.212 -1.146 -0.220
3.47-11.31 Gyr -1.647 0.241 0.446
11.31-12.57 Gyr 0.150 1.017 1.447