2026jtg results

Information

Transient
Name:AT2026jtg
Right ascension: 8h46m39.65s
Declination:80d47m22.28s
Discovery Date:April 16, 2026, 5:14 a.m.
Classification:None
Redshift:None
MW E(B-V):0.019
Host
Name:J084638.63+804713.45
Right ascension: 8h46m38.63s
Declination:80d47m13.45s
Redshift:None
Photometric Redshift:0.073
 

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
GALEX_FUV
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 3.85
Transient MWEBV processed 0.12
Host match processed 4.69
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 3.74
Validate global photometry processed 11.04
Global host SED inference processed 597.77
Local aperture photometry processed 3.7
Validate local photometry processed 0.02
Local host SED inference processed 468.31
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h46m39.65s, 80d47m22.28s
semi major axis, semi minor axis (arcsec):1.44, 1.44
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 5.23 0.56 22.103 0.117 AB
PanSTARRS_r 10.16 0.7 21.383 0.074 AB
PanSTARRS_i 17.95 0.8 20.765 0.049 AB
PanSTARRS_z 25.13 1.46 20.400 0.063 AB
PanSTARRS_y 31.76 3.91 20.145 0.134 AB

Aperture details

RA, DEC (J2000):8h46m38.56s, 80d47m13.70s
semi major axis, semi minor axis (arcsec):8.61, 8.49
angle (degrees, anti-clockwise from east):-1.12
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 7.92 3.1 21.653 0.425 AB
PanSTARRS_g 731.52 3.36 16.739 0.005 AB
PanSTARRS_r 1521.14 4.09 15.945 0.003 AB
PanSTARRS_i 2155.79 4.73 15.566 0.002 AB
PanSTARRS_z 2710.21 8.72 15.317 0.003 AB
PanSTARRS_y 3335.16 23.07 15.092 0.008 AB
2MASS_J 4106.31 187.81 13.971 0.050 Vega
2MASS_H 5027.68 348.92 13.279 0.075 Vega
2MASS_K 4456.26 314.39 12.940 0.077 Vega
WISE_W1 1854.66 23.01 13.030 0.013 Vega
WISE_W2 1089.54 24.56 12.968 0.024 Vega
WISE_W3 108.14 67.87 13.641 0.681 Vega
WISE_W4 169.98 394.21 11.704 2.518 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.814 9.113 9.296
{\rm log}_{10}({\rm SFR}) -1.299 -0.685 -0.020
{\rm log}_{10}({\rm sSFR}) -10.467 -9.839 -8.985
{\rm stellar\ age} 2.206 6.881 9.338

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.415 -0.799 -0.249
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.455 -0.547 0.233

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.468 1.992 2.465
\delta -0.043 0.123 0.281
\tau_1/\tau_2 0.712 1.066 1.418
Q_{PAH} 0.933 2.849 5.053
U_{min} 2.946 8.244 15.886
{\rm log}_{10}(\gamma_e)\, -3.106 -2.042 -0.920

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.743 -1.718 -0.132
{\rm log}_{10}(\tau_{AGN})\, 1.097 1.579 1.982

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.735 -0.768 -0.196
0.03-0.10 Gyr -1.637 -0.803 0.027
0.10-0.33 Gyr -2.593 -1.153 -0.432
0.33-1.07 Gyr -3.522 -1.382 -0.659
1.07-3.51 Gyr -3.644 -1.177 -0.705
3.51-11.51 Gyr -2.911 -0.905 -0.571
11.51-12.79 Gyr -2.501 -0.812 0.047

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.638 10.865 11.000
{\rm log}_{10}({\rm SFR}) -3.460 -0.950 0.203
{\rm log}_{10}({\rm sSFR}) -14.463 -11.829 -10.554
{\rm stellar\ age} 5.503 7.652 11.717

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.247 -0.814 -0.599
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.297 -0.412 0.192

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.262 0.482 0.735
\delta -0.943 -0.781 -0.454
\tau_1/\tau_2 0.569 0.996 1.409
Q_{PAH} 0.388 1.328 3.431
U_{min} 2.927 9.200 17.484
{\rm log}_{10}(\gamma_e)\, -3.010 -1.462 -0.360

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.482 -3.589 -2.571
{\rm log}_{10}(\tau_{AGN})\, 1.096 1.603 1.970

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.638 -1.373 -0.212
0.03-0.10 Gyr -4.412 -1.081 0.270
0.10-0.33 Gyr -4.368 -0.977 0.544
0.33-1.07 Gyr -3.781 -0.763 0.649
1.07-3.51 Gyr -2.647 0.122 0.979
3.51-11.51 Gyr -0.804 0.843 1.165
11.51-12.79 Gyr -0.544 1.051 2.116