2026hir results

Information

Transient
Name:TDE2026hir
Right ascension: 8h44m12.38s
Declination:82d01m11.36s
Discovery Date:March 24, 2026, 4:17 a.m.
Classification:TDE
Redshift:0.088000
MW E(B-V):0.032
Host
Name:J084412.34+820110.88
Right ascension: 8h44m12.34s
Declination:82d01m10.88s
Redshift:None
Photometric Redshift:0.082
 

Cutout Download Report

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

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 15.53
Transient MWEBV processed 0.1
Host match processed 6.55
Host information processed 0.06
Host MWEBV processed 0.06
Global aperture construction processed 0.67
Global aperture photometry processed 4.89
Validate global photometry processed 14.97
Global host SED inference processed 496.25
Local aperture photometry processed 4.74
Validate local photometry processed 0.02
Local host SED inference processed 509.66
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h44m12.38s, 82d01m11.36s
semi major axis, semi minor axis (arcsec):1.22, 1.22
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 172.86 0.6 18.306 0.004 AB
PanSTARRS_i 247.6 0.77 17.916 0.003 AB
PanSTARRS_z 356.35 1.2 17.520 0.004 AB
PanSTARRS_y 373.72 3.79 17.469 0.011 AB

Aperture details

RA, DEC (J2000):8h44m12.29s, 82d01m11.08s
semi major axis, semi minor axis (arcsec):6.34, 5.07
angle (degrees, anti-clockwise from east):-148.44
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 46.17 4.35 19.739 0.102 AB
SDSS_g 236.74 4.43 17.964 0.020 AB
PanSTARRS_g 256.7 1.39 17.876 0.006 AB
SDSS_r 521.76 6.47 17.106 0.013 AB
PanSTARRS_r 508.36 2.48 17.135 0.005 AB
SDSS_i 760.26 8.43 16.698 0.012 AB
PanSTARRS_i 748.15 3.31 16.715 0.005 AB
PanSTARRS_z 977.02 5.15 16.425 0.006 AB
SDSS_z 1029.32 19.94 16.369 0.021 AB
PanSTARRS_y 991.2 17.33 16.410 0.019 AB
2MASS_J 1334.1 128.64 15.192 0.105 Vega
2MASS_H 1922.27 236.7 14.323 0.134 Vega
2MASS_K 1704.65 220.04 13.983 0.140 Vega
WISE_W1 539.86 11.95 14.370 0.024 Vega
WISE_W2 355.21 14.03 14.185 0.043 Vega
WISE_W3 46.32 57.28 14.562 1.343 Vega
WISE_W4 258.97 265.03 11.247 1.111 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.064 10.200 10.309
{\rm log}_{10}({\rm SFR}) -2.386 -1.090 -0.225
{\rm log}_{10}({\rm sSFR}) -12.671 -11.337 -10.286
{\rm stellar\ age} 6.020 7.678 10.691

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.916 -0.448 -0.215
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.617 -0.878 -0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.215 0.557 1.180
\delta -0.654 -0.226 0.212
\tau_1/\tau_2 0.615 1.026 1.430
Q_{PAH} 0.628 2.323 5.052
U_{min} 3.097 8.785 16.259
{\rm log}_{10}(\gamma_e)\, -3.352 -2.274 -0.683

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.056 -0.899 -0.260
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.418 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.463 -1.785 -0.965
0.03-0.10 Gyr -2.498 -1.018 -0.084
0.10-0.33 Gyr -1.907 -0.701 0.149
0.33-1.07 Gyr -2.513 -0.755 0.089
1.07-3.49 Gyr -2.494 -0.505 0.235
3.49-11.41 Gyr -1.365 0.219 0.446
11.41-12.68 Gyr -0.610 0.504 1.319
0.33-1.06 Gyr -2.016 -0.723 0.082
1.06-3.48 Gyr -1.861 -0.370 0.286
3.48-11.34 Gyr -0.735 0.258 0.472
11.34-12.60 Gyr -0.488 0.559 1.316

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.555 10.645 10.740
{\rm log}_{10}({\rm SFR}) -5.869 -2.532 -0.797
{\rm log}_{10}({\rm sSFR}) -16.851 -13.301 -11.480
{\rm stellar\ age} 7.359 10.014 11.955

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.798 -1.549 -1.261
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.569 -0.796 0.082

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.355 0.468 0.601
\delta -0.837 -0.636 -0.430
\tau_1/\tau_2 0.499 1.008 1.480
Q_{PAH} 0.609 1.950 4.499
U_{min} 3.715 11.128 18.943
{\rm log}_{10}(\gamma_e)\, -3.197 -2.028 -0.748

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.217 -2.138 -1.478
{\rm log}_{10}(\tau_{AGN})\, 1.294 1.714 1.985

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.384 -4.114 -1.745
0.03-0.10 Gyr -6.327 -2.747 -0.687
0.10-0.33 Gyr -5.624 -2.608 -0.495
0.33-1.07 Gyr -5.584 -3.081 -0.750
1.07-3.49 Gyr -3.936 -2.090 -0.080
3.49-11.41 Gyr -1.930 0.356 0.851
11.41-12.68 Gyr -0.647 1.581 1.831
0.33-1.06 Gyr -5.542 -2.925 -0.584
1.06-3.48 Gyr -3.954 -1.901 0.197
3.48-11.34 Gyr -1.908 0.394 0.918
11.34-12.60 Gyr -0.965 1.581 1.894