2026irs results

Information

Transient
Name:SN2026irs
Right ascension: 13h58m06.56s
Declination:28d22m28.05s
Discovery Date:April 4, 2026, 10:46 a.m.
Classification:SN Ia
Redshift:0.070000
MW E(B-V):0.015
Host
Name:J135806.61+282228.22
Right ascension: 13h58m06.61s
Declination:28d22m28.22s
Redshift:None
Photometric Redshift:0.594
 

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 17.12
Transient MWEBV processed 0.04
Host match processed 5.82
Host information processed 0.04
Host MWEBV processed 0.04
Global aperture construction processed 13.12
Global aperture photometry processed 5.56
Validate global photometry processed 17.42
Global host SED inference processed 801.96
Local aperture photometry processed 5.35
Validate local photometry processed 0.03
Local host SED inference processed 766.34
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h58m06.56s, 28d22m28.05s
semi major axis, semi minor axis (arcsec):1.5, 1.5
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 0.23 0.47 25.488 2.206 AB
DES_g 1.37 0.16 23.558 0.124 AB
PanSTARRS_g 1.53 0.4 23.440 0.282 AB
SDSS_r 0.87 0.7 24.051 0.877 AB
PanSTARRS_r 1.58 0.56 23.405 0.387 AB
DES_r 2.16 0.28 23.063 0.139 AB
SDSS_i 2.92 1.28 22.735 0.474 AB
PanSTARRS_i 1.74 0.5 23.297 0.315 AB
PanSTARRS_z 3.93 0.98 22.415 0.272 AB
SDSS_z 3.05 4.11 22.691 1.466 AB
DES_z 2.57 0.83 22.874 0.352 AB
PanSTARRS_y 0.51 2.29 24.634 4.888 AB

Aperture details

RA, DEC (J2000):13h58m06.60s, 28d22m28.19s
semi major axis, semi minor axis (arcsec):3.94, 2.5
angle (degrees, anti-clockwise from east):55.03
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV -1.12 1.85 AB
SDSS_u 12.18 2.45 21.186 0.219 AB
SDSS_g -1.56 0.94 AB
DES_g 2.65 0.3 22.844 0.125 AB
PanSTARRS_g 2.1 0.83 23.095 0.430 AB
SDSS_r -0.99 1.39 AB
PanSTARRS_r 3.94 1.16 22.410 0.319 AB
DES_r 3.33 0.52 22.595 0.170 AB
SDSS_i 2.73 2.6 22.809 1.034 AB
PanSTARRS_i 2.32 1.03 22.985 0.481 AB
PanSTARRS_z 6.96 1.99 21.793 0.310 AB
SDSS_z -0.52 8.53 AB
DES_z 2.97 1.57 22.718 0.575 AB
PanSTARRS_y 4.4 4.61 22.292 1.138 AB
2MASS_J -63.3 91.02 Vega
2MASS_H -139.83 153.93 Vega
2MASS_K 131.05 129.19 16.769 1.070 Vega
WISE_W1 -0.39 4.81 Vega
WISE_W2 -1.62 7.85 Vega
WISE_W3 -41.34 35.52 Vega
WISE_W4 -47.72 250.04 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.062 7.621 7.953
{\rm log}_{10}({\rm SFR}) -1.647 -1.283 -0.816
{\rm log}_{10}({\rm sSFR}) -9.537 -8.824 -7.966
{\rm stellar\ age} 0.086 3.055 6.329

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.214 -0.343 0.086
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.434 -0.972 -0.359

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.959 1.359 2.040
\delta -0.086 0.103 0.268
\tau_1/\tau_2 0.599 1.049 1.523
Q_{PAH} 1.131 3.373 5.857
U_{min} 3.238 8.958 17.078
{\rm log}_{10}(\gamma_e)\, -2.760 -1.312 -0.350

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.196 -0.048 0.325
{\rm log}_{10}(\tau_{AGN})\, 1.094 1.512 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.532 -1.095 -0.675
0.03-0.10 Gyr -3.215 -1.649 -0.940
0.10-0.33 Gyr -4.120 -2.030 -1.270
0.33-1.07 Gyr -5.522 -2.426 -1.683
1.07-3.52 Gyr -6.426 -2.831 -1.941
3.52-11.55 Gyr -6.993 -2.987 -2.040
11.55-12.83 Gyr -7.077 -2.993 -1.923

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.679 7.998 8.297
{\rm log}_{10}({\rm SFR}) -0.674 -0.199 0.172
{\rm log}_{10}({\rm sSFR}) -8.595 -8.012 -7.945
{\rm stellar\ age} 0.031 0.271 6.072

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.776 -1.433 -0.999
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.752 -1.048 0.007

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.728 2.419 2.915
\delta 0.214 0.309 0.372
\tau_1/\tau_2 0.893 1.370 1.742
Q_{PAH} 0.561 2.216 4.451
U_{min} 3.850 10.870 19.113
{\rm log}_{10}(\gamma_e)\, -3.430 -2.177 -1.079

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.959 -2.165 -0.414
{\rm log}_{10}(\tau_{AGN})\, 0.935 1.407 1.829

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.725 0.024 0.439
0.03-0.10 Gyr -2.929 -0.948 0.118
0.10-0.33 Gyr -4.925 -2.971 -1.321
0.33-1.07 Gyr -7.108 -4.324 -2.181
1.07-3.52 Gyr -8.156 -4.691 -2.206
3.52-11.55 Gyr -9.015 -4.772 -2.103
11.55-12.83 Gyr -9.524 -4.524 -1.736