2026egj results

Information

Transient
Name:AT2026egj
Right ascension: 0h58m17.52s
Declination:7d58m18.92s
Discovery Date:Feb. 23, 2026, 2:30 a.m.
Classification:None
Redshift:None
MW E(B-V):0.064
Host
Name:
Right ascension: 0h58m17.51s
Declination:7d58m19.05s
Redshift:None
Photometric Redshift:0.070
 

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 18.03
Transient MWEBV processed 0.04
Host match processed 5.57
Host information processed 0.15
Host MWEBV processed 0.09
Global aperture construction processed 0.65
Global aperture photometry processed 6.46
Validate global photometry processed 18.69
Global host SED inference processed 409.43
Local aperture photometry processed 6.3
Validate local photometry processed 0.03
Local host SED inference processed 449.28
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h58m17.52s, 7d58m18.92s
semi major axis, semi minor axis (arcsec):1.51, 1.51
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 17.82 1.18 20.773 0.072 AB
DES_g 17.48 0.22 20.794 0.013 AB
PanSTARRS_g 17.27 0.41 20.807 0.026 AB
SDSS_r 31.74 1.62 20.146 0.056 AB
PanSTARRS_r 28.91 0.4 20.247 0.015 AB
DES_r 36.15 0.55 20.005 0.016 AB
SDSS_i 47.14 2.16 19.716 0.050 AB
PanSTARRS_i 38.27 0.36 19.943 0.010 AB
PanSTARRS_z 46.17 1.0 19.739 0.023 AB
SDSS_z 60.97 4.55 19.437 0.081 AB
DES_z 56.22 1.5 19.525 0.029 AB
PanSTARRS_y 54.49 2.25 19.559 0.045 AB

Aperture details

RA, DEC (J2000):0h58m17.49s, 7d58m19.29s
semi major axis, semi minor axis (arcsec):6.2, 2.44
angle (degrees, anti-clockwise from east):-115.05
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.86 1.34 23.225 0.780 AB
GALEX_NUV 0.38 1.63 24.957 4.687 AB
SDSS_u -1.97 3.6 AB
SDSS_g 42.43 2.07 19.831 0.053 AB
DES_g 34.58 0.35 20.053 0.011 AB
PanSTARRS_g 43.76 1.04 19.797 0.026 AB
SDSS_r 74.69 2.92 19.217 0.042 AB
PanSTARRS_r 72.23 1.02 19.253 0.015 AB
DES_r 68.45 0.86 19.312 0.014 AB
SDSS_i 103.22 4.13 18.866 0.043 AB
PanSTARRS_i 98.89 0.89 18.912 0.010 AB
PanSTARRS_z 113.67 2.49 18.761 0.024 AB
SDSS_z 129.8 11.0 18.617 0.092 AB
DES_z 107.83 2.23 18.818 0.022 AB
PanSTARRS_y 124.67 5.61 18.661 0.049 AB
2MASS_J 288.99 112.68 16.853 0.423 Vega
2MASS_H 287.01 186.3 16.388 0.705 Vega
2MASS_K 259.86 197.7 16.025 0.826 Vega
WISE_W1 65.05 8.82 16.668 0.147 Vega
WISE_W2 39.95 12.23 16.557 0.332 Vega
WISE_W3 18.18 71.06 15.577 4.244 Vega
WISE_W4 -156.37 506.32 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.786 8.921 9.016
{\rm log}_{10}({\rm SFR}) -1.985 -1.421 -0.830
{\rm log}_{10}({\rm sSFR}) -10.942 -10.357 -9.711
{\rm stellar\ age} 3.840 6.049 7.348

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.207 -0.631 -0.197
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.591 -0.388 0.270

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.157 0.450 0.859
\delta -0.659 -0.269 0.090
\tau_1/\tau_2 0.706 1.041 1.394
Q_{PAH} 1.240 3.272 5.754
U_{min} 2.987 7.783 14.843
{\rm log}_{10}(\gamma_e)\, -2.898 -1.655 -0.445

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.811 -0.341 0.050
{\rm log}_{10}(\tau_{AGN})\, 1.101 1.632 2.004

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.957 -1.439 -0.983
0.03-0.10 Gyr -2.188 -1.460 -0.762
0.10-0.33 Gyr -1.867 -1.189 -0.573
0.33-1.07 Gyr -1.485 -0.971 -0.534
1.07-3.52 Gyr -1.330 -0.932 -0.722
3.52-11.55 Gyr -1.530 -1.042 -0.841
11.55-12.83 Gyr -1.716 -1.082 -0.598

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.233 9.394 9.503
{\rm log}_{10}({\rm SFR}) -1.760 -1.148 -0.706
{\rm log}_{10}({\rm sSFR}) -11.150 -10.516 -10.076
{\rm stellar\ age} 5.322 7.391 9.562

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.401 -0.950 -0.545
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.601 -0.286 0.237

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.363 0.591
\delta -0.651 -0.216 0.172
\tau_1/\tau_2 0.592 0.983 1.389
Q_{PAH} 1.210 2.839 4.873
U_{min} 3.112 8.530 15.807
{\rm log}_{10}(\gamma_e)\, -2.361 -1.287 -0.449

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.759 -2.059 -1.174
{\rm log}_{10}(\tau_{AGN})\, 1.082 1.548 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.649 -1.110 -0.789
0.03-0.10 Gyr -2.187 -1.231 -0.642
0.10-0.33 Gyr -2.381 -1.227 -0.635
0.33-1.07 Gyr -2.309 -1.127 -0.485
1.07-3.52 Gyr -1.822 -0.769 -0.391
3.52-11.55 Gyr -1.124 -0.532 -0.325
11.55-12.83 Gyr -1.217 -0.432 0.324