2026hgj results

Information

Transient
Name:AT2026hgj
Right ascension: 12h22m24.84s
Declination:48d20m12.49s
Discovery Date:March 15, 2026, 5:28 p.m.
Classification:None
Redshift:None
MW E(B-V):0.011
Host
Name:J122224.83+482011.12
Right ascension: 12h22m24.83s
Declination:48d20m11.12s
Redshift:None
Photometric Redshift:0.102
 

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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.31
Transient MWEBV processed 0.03
Host match processed 4.77
Host information processed 0.22
Host MWEBV processed 0.14
Global aperture construction processed 1.41
Global aperture photometry processed 4.75
Validate global photometry processed 28.06
Global host SED inference processed 486.03
Local aperture photometry processed 4.68
Validate local photometry processed 0.02
Local host SED inference processed 610.99
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h22m24.84s, 48d20m12.49s
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
PanSTARRS_y 17.49 1.4 20.793 0.087 AB

Aperture details

RA, DEC (J2000):12h22m24.82s, 48d20m11.30s
semi major axis, semi minor axis (arcsec):6.8, 2.92
angle (degrees, anti-clockwise from east):-158.78
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.86 0.43 21.215 0.039 AB
GALEX_NUV 2.35 1.46 22.971 0.673 AB
SDSS_u 36.76 3.91 19.986 0.115 AB
SDSS_g 57.24 2.36 19.506 0.045 AB
PanSTARRS_g 58.12 0.91 19.489 0.017 AB
SDSS_r 70.54 2.95 19.279 0.045 AB
PanSTARRS_r 74.92 0.97 19.213 0.014 AB
SDSS_i 90.66 4.18 19.006 0.050 AB
PanSTARRS_i 80.28 1.36 19.139 0.018 AB
PanSTARRS_z 85.36 2.61 19.072 0.033 AB
SDSS_z 54.91 11.77 19.551 0.233 AB
PanSTARRS_y 95.84 5.72 18.946 0.065 AB
WISE_W1 41.63 17.11 17.152 0.446 Vega
WISE_W2 34.31 14.72 16.723 0.466 Vega
WISE_W3 48.94 55.37 14.502 1.228 Vega
WISE_W4 175.92 385.62 11.667 2.380 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.189 8.632 8.956
{\rm log}_{10}({\rm SFR}) -1.071 -0.623 -0.156
{\rm log}_{10}({\rm sSFR}) -9.886 -9.249 -8.293
{\rm stellar\ age} 0.967 5.440 7.745

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.635 -0.876 -0.068
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.258 -0.432 0.227

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.513 0.903 1.530
\delta -0.558 -0.108 0.210
\tau_1/\tau_2 0.459 0.894 1.336
Q_{PAH} 0.664 2.140 4.837
U_{min} 3.132 8.213 15.460
{\rm log}_{10}(\gamma_e)\, -3.056 -1.946 -0.564

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.857 -0.696 0.045
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.446 1.881

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.880 -0.453 -0.035
0.03-0.10 Gyr -2.188 -0.955 -0.218
0.10-0.33 Gyr -3.215 -1.499 -0.654
0.33-1.06 Gyr -3.701 -1.604 -0.878
1.06-3.44 Gyr -3.770 -1.595 -1.034
3.44-11.18 Gyr -3.629 -1.499 -0.936
11.18-12.42 Gyr -3.568 -1.531 -0.548

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.817 9.128 9.349
{\rm log}_{10}({\rm SFR}) -0.464 0.243 0.742
{\rm log}_{10}({\rm sSFR}) -9.665 -8.902 -8.062
{\rm stellar\ age} 0.213 1.891 5.180

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.666 -1.092 0.003
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.302 -0.211 0.255

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.175 0.475 0.943
\delta -0.515 -0.072 0.202
\tau_1/\tau_2 0.613 1.058 1.512
Q_{PAH} 1.421 3.210 5.162
U_{min} 3.157 9.132 16.894
{\rm log}_{10}(\gamma_e)\, -3.133 -1.913 -0.588

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.359 -1.556 -0.645
{\rm log}_{10}(\tau_{AGN})\, 0.978 1.389 1.770

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.137 -0.499 -0.174
0.03-0.10 Gyr -0.447 0.370 0.893
0.10-0.33 Gyr -1.036 0.197 0.693
0.33-1.06 Gyr -3.179 -1.017 -0.172
1.06-3.44 Gyr -4.579 -1.548 -0.615
3.44-11.18 Gyr -5.180 -1.814 -0.839
11.18-12.42 Gyr -5.195 -1.748 -0.586