2026irk results

Information

Transient
Name:AT2026irk
Right ascension: 12h21m18.29s
Declination:32d42m40.06s
Discovery Date:April 5, 2026, 9:15 a.m.
Classification:None
Redshift:None
MW E(B-V):0.017
Host
Name:PGC039926
Right ascension: 12h21m18.20s
Declination:32d42m39.79s
Redshift:0.022020
Photometric Redshift:None
 

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 18.97
Transient MWEBV processed 0.13
Host match processed 4.49
Host information processed 0.07
Host MWEBV processed 0.05
Global aperture construction processed 0.62
Global aperture photometry processed 5.56
Validate global photometry processed 18.11
Global host SED inference processed 373.68
Local aperture photometry processed 5.42
Validate local photometry processed 0.03
Local host SED inference processed 574.36
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h21m18.29s, 32d42m40.06s
semi major axis, semi minor axis (arcsec):4.49, 4.49
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 155.19 12.86 18.423 0.090 AB
SDSS_u 516.72 7.27 17.117 0.015 AB
SDSS_g 1292.1 9.4 16.122 0.008 AB
DES_g 1291.73 2.44 16.122 0.002 AB
PanSTARRS_g 1289.31 1.21 16.124 0.001 AB
SDSS_r 1833.99 11.26 15.742 0.007 AB
PanSTARRS_r 1836.24 1.41 15.740 0.001 AB
DES_r 2051.99 3.91 15.620 0.002 AB
SDSS_i 2197.92 12.51 15.545 0.006 AB
PanSTARRS_i 2116.68 1.63 15.586 0.001 AB
PanSTARRS_z 2460.54 3.02 15.422 0.001 AB
SDSS_z 2472.5 22.19 15.417 0.010 AB
DES_z 2561.64 8.82 15.379 0.004 AB
PanSTARRS_y 2721.6 6.03 15.313 0.002 AB
2MASS_J 2763.56 105.31 14.401 0.041 Vega
2MASS_H 3135.29 167.53 13.792 0.058 Vega
2MASS_K 2874.36 171.67 13.416 0.065 Vega

Aperture details

RA, DEC (J2000):12h21m18.21s, 32d42m40.36s
semi major axis, semi minor axis (arcsec):18.68, 15.23
angle (degrees, anti-clockwise from east):-137.78
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 608.24 25.45 16.940 0.045 AB
GALEX_NUV 815.83 4.59 16.621 0.006 AB
SDSS_u 1236.52 18.8 16.169 0.017 AB
SDSS_g 3254.82 15.41 15.119 0.005 AB
DES_g 3208.52 3.9 15.134 0.001 AB
PanSTARRS_g 3177.42 3.9 15.145 0.001 AB
SDSS_r 4306.52 18.34 14.815 0.005 AB
PanSTARRS_r 4371.9 4.5 14.798 0.001 AB
DES_r 4755.11 6.09 14.707 0.001 AB
SDSS_i 5006.08 21.43 14.651 0.005 AB
PanSTARRS_i 4948.8 5.46 14.664 0.001 AB
PanSTARRS_z 5328.0 10.8 14.584 0.002 AB
SDSS_z 4650.54 69.98 14.731 0.016 AB
DES_z 5268.02 13.34 14.596 0.003 AB
PanSTARRS_y 6134.91 22.38 14.430 0.004 AB
2MASS_J 6665.63 395.54 13.445 0.064 Vega
2MASS_H 8339.25 632.22 12.730 0.082 Vega
2MASS_K 6082.24 649.33 12.602 0.116 Vega
WISE_W1 3594.85 39.92 12.312 0.012 Vega
WISE_W2 2389.23 48.28 12.115 0.022 Vega
WISE_W3 14380.29 206.8 8.332 0.016 Vega
WISE_W4 24412.22 1487.34 6.311 0.066 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.386 9.517 9.667
{\rm log}_{10}({\rm SFR}) -0.407 -0.030 0.299
{\rm log}_{10}({\rm sSFR}) -9.979 -9.580 -9.219
{\rm stellar\ age} 4.423 6.365 7.738

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.598 -0.969 -0.493
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.905 -1.288 0.318

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.214 0.496 0.753
\delta -0.446 -0.086 0.187
\tau_1/\tau_2 0.541 0.889 1.257
Q_{PAH} 0.569 1.628 3.033
U_{min} 2.536 8.050 15.410
{\rm log}_{10}(\gamma_e)\, -3.610 -2.689 -1.294

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.546 -3.602 -1.866
{\rm log}_{10}(\tau_{AGN})\, 0.927 1.418 1.860

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.718 -0.475 -0.254
0.03-0.10 Gyr -0.367 0.078 0.431
0.10-0.33 Gyr -0.586 -0.133 0.211
0.33-1.10 Gyr -0.871 -0.400 -0.110
1.10-3.65 Gyr -0.819 -0.412 -0.148
3.65-12.12 Gyr -0.889 -0.462 -0.228
12.12-13.46 Gyr -1.182 -0.493 0.014

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.757 9.838 9.928
{\rm log}_{10}({\rm SFR}) 0.066 0.230 0.387
{\rm log}_{10}({\rm sSFR}) -9.795 -9.608 -9.435
{\rm stellar\ age} 5.492 6.605 7.665

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.261 -0.968 -0.763
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.927 -1.825 -1.703

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.323 0.459 0.593
\delta 0.161 0.280 0.356
\tau_1/\tau_2 0.743 1.081 1.411
Q_{PAH} 0.583 1.173 1.979
U_{min} 1.996 5.620 11.784
{\rm log}_{10}(\gamma_e)\, -3.724 -3.259 -2.382

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.130 -3.278 -2.445
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.543 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.113 0.225 0.335
0.03-0.10 Gyr 0.023 0.239 0.434
0.10-0.33 Gyr -0.098 0.144 0.354
0.33-1.10 Gyr -0.348 -0.082 0.120
1.10-3.65 Gyr -0.314 -0.076 0.113
3.65-12.12 Gyr -0.296 -0.091 0.052
12.12-13.46 Gyr -0.504 -0.068 0.314