2026iwb results

Information

Transient
Name:AT2026iwb
Right ascension: 20h12m47.95s
Declination:-9d12m43.44s
Discovery Date:April 7, 2026, 12:10 p.m.
Classification:None
Redshift:None
MW E(B-V):0.085
Host
Name:993836
Right ascension: 20h12m47.42s
Declination:-9d12m44.13s
Redshift:0.057253
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_NUV
GALEX_FUV
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 4.71
Transient MWEBV processed 0.22
Host match processed 6.16
Host information processed 0.13
Host MWEBV processed 0.16
Global aperture construction processed 0.63
Global aperture photometry processed 3.93
Validate global photometry processed 11.0
Global host SED inference processed 464.14
Local aperture photometry processed 3.55
Validate local photometry processed 0.02
Local host SED inference processed 449.75
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):20h12m47.95s, -9d12m43.44s
semi major axis, semi minor axis (arcsec):1.8, 1.8
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 15.39 0.45 20.932 0.032 AB
PanSTARRS_r 34.9 0.55 20.043 0.017 AB
PanSTARRS_i 56.51 0.59 19.520 0.011 AB
PanSTARRS_z 74.65 1.57 19.217 0.023 AB
PanSTARRS_y 90.79 3.32 19.005 0.040 AB

Aperture details

RA, DEC (J2000):20h12m47.41s, -9d12m43.55s
semi major axis, semi minor axis (arcsec):19.02, 11.29
angle (degrees, anti-clockwise from east):-142.56
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 1793.11 3.7 15.766 0.002 AB
PanSTARRS_r 4262.77 4.53 14.826 0.001 AB
PanSTARRS_i 6837.0 4.82 14.313 0.001 AB
PanSTARRS_z 8937.79 12.72 14.022 0.002 AB
PanSTARRS_y 11364.94 27.34 13.761 0.003 AB
2MASS_J 15294.1 397.1 12.544 0.028 Vega
2MASS_H 20786.27 594.38 11.738 0.031 Vega
2MASS_K 18795.25 699.45 11.377 0.040 Vega
WISE_W1 8221.11 70.19 11.414 0.009 Vega
WISE_W2 4845.4 68.52 11.348 0.015 Vega
WISE_W3 2508.71 195.13 10.227 0.084 Vega
WISE_W4 1661.57 871.32 9.229 0.569 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.199 9.343 9.467
{\rm log}_{10}({\rm SFR}) -2.057 -1.384 -0.842
{\rm log}_{10}({\rm sSFR}) -11.374 -10.678 -10.137
{\rm stellar\ age} 6.423 7.842 11.108

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.329 -0.759 -0.275
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.664 -0.805 0.171

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.812 1.203 1.568
\delta -0.168 0.078 0.270
\tau_1/\tau_2 0.650 0.997 1.357
Q_{PAH} 0.906 2.848 5.416
U_{min} 2.754 7.602 14.884
{\rm log}_{10}(\gamma_e)\, -3.077 -2.131 -1.035

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.650 -1.037 -0.371
{\rm log}_{10}(\tau_{AGN})\, 1.017 1.488 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.379 -1.489 -0.926
0.03-0.10 Gyr -2.280 -1.448 -0.792
0.10-0.33 Gyr -2.646 -1.496 -0.912
0.33-1.08 Gyr -2.887 -1.534 -0.842
1.08-3.56 Gyr -2.729 -1.067 -0.574
3.56-11.69 Gyr -1.263 -0.595 -0.392
11.69-12.99 Gyr -1.066 -0.360 0.457

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.279 11.361 11.430
{\rm log}_{10}({\rm SFR}) -2.774 -1.279 -0.161
{\rm log}_{10}({\rm sSFR}) -14.089 -12.678 -11.479
{\rm stellar\ age} 7.918 10.906 12.333

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.401 -0.268 -0.157
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.503 -0.642 0.114

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.181 0.297 0.465
\delta -0.868 -0.598 -0.277
\tau_1/\tau_2 0.543 0.916 1.308
Q_{PAH} 0.271 0.864 2.430
U_{min} 2.480 7.672 14.985
{\rm log}_{10}(\gamma_e)\, -3.379 -2.443 -1.563

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.598 -3.940 -2.980
{\rm log}_{10}(\tau_{AGN})\, 1.097 1.621 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.451 -1.430 -0.423
0.03-0.10 Gyr -3.647 -1.443 -0.119
0.10-0.33 Gyr -4.171 -1.497 -0.030
0.33-1.08 Gyr -3.989 -1.421 -0.024
1.08-3.56 Gyr -2.911 -0.832 0.603
3.56-11.69 Gyr -1.164 1.114 1.553
11.69-12.99 Gyr 1.396 2.348 2.563