2026iag results

Information

Transient
Name:AT2026iag
Right ascension: 12h13m04.81s
Declination:27d43m49.52s
Discovery Date:March 15, 2026, 9:52 a.m.
Classification:None
Redshift:None
MW E(B-V):0.017
Host
Name:SDSSJ121304.78+27434
Right ascension: 12h13m04.80s
Declination:27d43m49.44s
Redshift:None
Photometric Redshift:0.103
 

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 19.69
Transient MWEBV processed 0.1
Host match processed 4.84
Host information processed 0.06
Host MWEBV processed 0.05
Global aperture construction processed 0.68
Global aperture photometry processed 6.72
Validate global photometry processed 17.7
Global host SED inference processed 503.39
Local aperture photometry processed 6.55
Validate local photometry processed 0.03
Local host SED inference processed 1061.81
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h13m04.81s, 27d43m49.52s
semi major axis, semi minor axis (arcsec):1.06, 1.06
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 233.28 2.64 17.980 0.012 AB
PanSTARRS_y 209.83 1.38 18.095 0.007 AB

Aperture details

RA, DEC (J2000):12h13m04.78s, 27d43m49.57s
semi major axis, semi minor axis (arcsec):4.52, 4.02
angle (degrees, anti-clockwise from east):-175.47
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 1.33 1.65 23.593 1.348 AB
SDSS_u 14.37 3.52 21.007 0.266 AB
SDSS_g 118.37 3.02 18.717 0.028 AB
DES_g 128.24 0.62 18.630 0.005 AB
PanSTARRS_g 123.26 1.41 18.673 0.012 AB
SDSS_r 280.09 4.72 17.782 0.018 AB
PanSTARRS_r 287.77 1.06 17.752 0.004 AB
DES_r 314.89 1.59 17.655 0.005 AB
SDSS_i 421.24 6.44 17.339 0.017 AB
PanSTARRS_i 383.04 1.4 17.442 0.004 AB
PanSTARRS_z 553.71 2.7 17.042 0.005 AB
SDSS_z 575.38 17.76 17.000 0.034 AB
DES_z 594.34 4.38 16.965 0.008 AB
PanSTARRS_y 621.76 5.36 16.916 0.009 AB
2MASS_H 1187.13 140.11 14.846 0.128 Vega
WISE_W1 364.11 12.52 14.798 0.037 Vega
WISE_W2 221.01 14.35 14.700 0.070 Vega
WISE_W3 17.28 52.28 15.632 3.285 Vega
WISE_W4 -189.27 359.47 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.167 9.438 9.778
{\rm log}_{10}({\rm SFR}) 0.307 0.702 1.094
{\rm log}_{10}({\rm sSFR}) -9.256 -8.699 -8.144
{\rm stellar\ age} 0.468 3.294 7.001

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.880 -1.641 -1.246
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.467 -0.801 -0.024

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.122 0.296 0.571
\delta -0.759 -0.258 0.266
\tau_1/\tau_2 0.522 1.032 1.501
Q_{PAH} 0.403 1.418 4.454
U_{min} 3.440 9.354 17.369
{\rm log}_{10}(\gamma_e)\, -3.277 -1.715 -0.503

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.170 -2.252 -0.871
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.486 2.006

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.502 0.867 1.194
0.03-0.10 Gyr -1.369 0.397 1.133
0.10-0.33 Gyr -2.341 -0.340 0.533
0.33-1.06 Gyr -3.052 -0.676 0.123
1.06-3.44 Gyr -3.433 -0.866 -0.178
3.44-11.18 Gyr -3.701 -1.072 -0.212
11.18-12.42 Gyr -3.760 -1.090 0.082

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.433 10.507 10.620
{\rm log}_{10}({\rm SFR}) -1.965 -0.763 -0.079
{\rm log}_{10}({\rm sSFR}) -12.549 -11.257 -10.575
{\rm stellar\ age} 7.009 8.217 11.634

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.016 -0.714 -0.534
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.527 -0.618 0.166

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.265 0.410 0.592
\delta -0.936 -0.791 -0.582
\tau_1/\tau_2 0.705 1.113 1.534
Q_{PAH} 0.639 2.418 4.838
U_{min} 3.194 9.512 16.917
{\rm log}_{10}(\gamma_e)\, -2.367 -1.193 -0.396

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.694 -2.220 -1.503
{\rm log}_{10}(\tau_{AGN})\, 1.163 1.589 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.314 -1.356 -0.604
0.03-0.10 Gyr -2.197 -0.708 0.044
0.10-0.33 Gyr -2.403 -0.607 0.110
0.33-1.06 Gyr -3.217 -0.898 -0.048
1.06-3.44 Gyr -2.625 -0.465 0.379
3.44-11.18 Gyr -1.076 0.591 0.770
11.18-12.42 Gyr 0.206 1.060 1.764