2026irg results

Information

Transient
Name:AT2026irg
Right ascension: 13h04m49.93s
Declination:22d30m40.39s
Discovery Date:April 5, 2026, 7:56 a.m.
Classification:None
Redshift:None
MW E(B-V):0.016
Host
Name:J130449.80+223041.85
Right ascension: 13h04m49.80s
Declination:22d30m41.85s
Redshift:None
Photometric Redshift:0.067
 

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 17.32
Transient MWEBV processed 0.03
Host match processed 4.85
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 5.96
Validate global photometry processed 18.54
Global host SED inference processed 445.72
Local aperture photometry processed 5.79
Validate local photometry processed 0.03
Local host SED inference processed 438.95
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h04m49.93s, 22d30m40.39s
semi major axis, semi minor axis (arcsec):1.55, 1.55
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 5.41 1.42 22.067 0.286 AB
SDSS_g 21.0 1.25 20.594 0.065 AB
DES_g 21.3 0.22 20.579 0.011 AB
PanSTARRS_g 17.88 0.46 20.769 0.028 AB
SDSS_r 35.08 1.67 20.037 0.052 AB
PanSTARRS_r 30.4 0.47 20.193 0.017 AB
DES_r 37.08 0.5 19.977 0.015 AB
SDSS_i 47.01 2.04 19.719 0.047 AB
PanSTARRS_i 39.26 0.55 19.915 0.015 AB
PanSTARRS_z 44.24 0.9 19.786 0.022 AB
SDSS_z 61.27 5.83 19.432 0.103 AB
DES_z 54.69 1.4 19.555 0.028 AB
PanSTARRS_y 51.18 1.87 19.627 0.040 AB

Aperture details

RA, DEC (J2000):13h04m49.79s, 22d30m41.98s
semi major axis, semi minor axis (arcsec):8.4, 4.66
angle (degrees, anti-clockwise from east):-8.77
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 19.14 4.35 20.695 0.247 AB
GALEX_NUV 20.83 3.05 20.603 0.159 AB
SDSS_u 35.42 5.64 20.027 0.173 AB
SDSS_g 143.28 3.54 18.510 0.027 AB
DES_g 157.58 0.67 18.406 0.005 AB
PanSTARRS_g 150.39 1.82 18.457 0.013 AB
SDSS_r 251.34 4.94 17.899 0.021 AB
PanSTARRS_r 245.35 1.84 17.926 0.008 AB
DES_r 265.92 1.44 17.838 0.006 AB
SDSS_i 297.01 6.1 17.718 0.022 AB
PanSTARRS_i 309.82 2.19 17.672 0.008 AB
PanSTARRS_z 349.74 3.6 17.541 0.011 AB
SDSS_z 399.78 22.77 17.395 0.062 AB
DES_z 373.6 3.94 17.469 0.011 AB
PanSTARRS_y 405.99 7.45 17.379 0.020 AB
2MASS_J 569.57 133.44 16.116 0.254 Vega
2MASS_H 613.13 232.21 15.564 0.411 Vega
2MASS_K 229.6 203.09 16.160 0.960 Vega
WISE_W1 190.31 11.32 15.502 0.065 Vega
WISE_W2 116.62 14.73 15.394 0.137 Vega
WISE_W3 274.89 78.13 12.628 0.309 Vega
WISE_W4 92.86 418.14 12.360 4.889 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.658 8.845 8.958
{\rm log}_{10}({\rm SFR}) -1.776 -1.201 -0.486
{\rm log}_{10}({\rm sSFR}) -10.652 -10.101 -9.181
{\rm stellar\ age} 3.014 5.941 7.309

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.411 -0.729 -0.246
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.656 -0.309 0.311

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.189 0.572 1.004
\delta -0.544 -0.148 0.168
\tau_1/\tau_2 0.731 1.093 1.448
Q_{PAH} 1.298 3.263 5.541
U_{min} 3.209 8.361 15.577
{\rm log}_{10}(\gamma_e)\, -2.701 -1.371 -0.380

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.896 -0.652 0.083
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.550 1.996

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.805 -1.331 -0.859
0.03-0.10 Gyr -1.921 -1.206 -0.383
0.10-0.33 Gyr -1.803 -1.077 -0.455
0.33-1.08 Gyr -1.627 -1.033 -0.588
1.08-3.53 Gyr -1.703 -1.076 -0.821
3.53-11.58 Gyr -1.854 -1.141 -0.907
11.58-12.86 Gyr -2.022 -1.178 -0.703

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.742 9.792 9.866
{\rm log}_{10}({\rm SFR}) -0.943 -0.684 -0.392
{\rm log}_{10}({\rm sSFR}) -10.728 -10.476 -10.179
{\rm stellar\ age} 6.978 7.742 9.815

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.891 -0.693 -0.550
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.570 -0.067 0.348

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.023 0.069 0.156
\delta -0.543 -0.120 0.217
\tau_1/\tau_2 0.698 1.057 1.418
Q_{PAH} 1.351 3.014 4.903
U_{min} 2.817 8.061 15.450
{\rm log}_{10}(\gamma_e)\, -1.752 -0.829 -0.236

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.857 -2.536 -1.677
{\rm log}_{10}(\tau_{AGN})\, 1.058 1.533 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.364 -1.047 -0.884
0.03-0.10 Gyr -0.922 -0.588 -0.250
0.10-0.33 Gyr -0.669 -0.410 -0.190
0.33-1.08 Gyr -0.946 -0.581 -0.378
1.08-3.53 Gyr -0.982 -0.496 -0.234
3.53-11.58 Gyr -0.313 -0.068 0.034
11.58-12.86 Gyr -0.308 0.158 0.767