2026ioi results

Information

Transient
Name:AT2026ioi
Right ascension: 14h29m54.04s
Declination:54d59m23.08s
Discovery Date:March 18, 2026, 7:22 p.m.
Classification:None
Redshift:None
MW E(B-V):0.012
Host
Name:J142954.14+545923.84
Right ascension: 14h29m54.14s
Declination:54d59m23.84s
Redshift:None
Photometric Redshift:0.098
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
GALEX_FUV
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.0
Transient MWEBV processed 0.07
Host match processed 5.1
Host information processed 0.27
Host MWEBV processed 0.04
Global aperture construction processed 2.88
Global aperture photometry processed 4.91
Validate global photometry processed 14.64
Global host SED inference processed 489.23
Local aperture photometry processed 4.74
Validate local photometry processed 0.02
Local host SED inference processed 679.96
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):14h29m54.04s, 54d59m23.08s
semi major axis, semi minor axis (arcsec):1.1, 1.1
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_z 5.67 0.63 22.016 0.121 AB
PanSTARRS_y 3.54 1.88 22.528 0.576 AB

Aperture details

RA, DEC (J2000):14h29m54.14s, 54d59m23.98s
semi major axis, semi minor axis (arcsec):5.81, 2.81
angle (degrees, anti-clockwise from east):-71.94
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 7.68 0.44 21.686 0.062 AB
SDSS_u 12.62 4.24 21.147 0.365 AB
SDSS_g 27.92 1.83 20.285 0.071 AB
PanSTARRS_g 23.3 0.93 20.482 0.043 AB
SDSS_r 27.22 2.34 20.313 0.093 AB
PanSTARRS_r 28.32 1.16 20.270 0.044 AB
SDSS_i 34.38 3.75 20.059 0.118 AB
PanSTARRS_i 29.0 1.42 20.244 0.053 AB
PanSTARRS_z 29.74 2.25 20.216 0.082 AB
SDSS_z 32.84 12.26 20.109 0.405 AB
PanSTARRS_y 32.7 6.69 20.114 0.222 AB
2MASS_J -61.83 99.79 Vega
2MASS_H 9.41 160.28 20.099 18.500 Vega
2MASS_K -29.34 163.8 Vega
WISE_W1 23.58 9.33 17.770 0.430 Vega
WISE_W2 6.03 8.53 18.610 1.535 Vega
WISE_W3 -22.64 37.22 Vega
WISE_W4 213.48 275.98 11.457 1.404 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.644 8.207 8.624
{\rm log}_{10}({\rm SFR}) -1.164 -0.717 -0.246
{\rm log}_{10}({\rm sSFR}) -9.626 -8.821 -8.004
{\rm stellar\ age} 0.234 4.433 7.229

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.529 -0.668 -0.049
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.363 -0.612 0.112

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.970 1.464 2.113
\delta -0.142 0.145 0.322
\tau_1/\tau_2 0.560 0.960 1.388
Q_{PAH} 0.760 2.426 5.167
U_{min} 3.149 8.436 15.819
{\rm log}_{10}(\gamma_e)\, -3.172 -2.169 -0.803

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.134 -0.687 0.191
{\rm log}_{10}(\tau_{AGN})\, 1.109 1.560 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.962 -0.437 0.067
0.03-0.10 Gyr -2.772 -1.263 -0.561
0.10-0.33 Gyr -4.154 -1.770 -0.945
0.33-1.06 Gyr -4.890 -2.093 -1.332
1.06-3.45 Gyr -5.032 -2.124 -1.383
3.45-11.23 Gyr -5.323 -2.161 -1.302
11.23-12.47 Gyr -5.386 -2.187 -1.049

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.355 8.594 8.794
{\rm log}_{10}({\rm SFR}) -1.477 -0.324 0.420
{\rm log}_{10}({\rm sSFR}) -10.089 -8.909 -7.977
{\rm stellar\ age} 0.159 0.762 4.409

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.710 -1.289 -0.542
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.610 -0.801 0.165

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.097 0.450 0.960
\delta -0.463 -0.002 0.238
\tau_1/\tau_2 0.509 0.982 1.477
Q_{PAH} 1.467 3.361 5.440
U_{min} 3.951 10.158 18.398
{\rm log}_{10}(\gamma_e)\, -2.890 -1.718 -0.609

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.026 -0.924 -0.178
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.462 1.815

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.509 -1.769 -1.015
0.03-0.10 Gyr -1.507 -0.181 0.581
0.10-0.33 Gyr -1.816 -0.226 0.315
0.33-1.06 Gyr -4.118 -1.921 -0.692
1.06-3.45 Gyr -6.162 -2.903 -1.245
3.45-11.23 Gyr -6.991 -3.273 -1.514
11.23-12.47 Gyr -7.259 -3.034 -1.247