2026hiw results

Information

Transient
Name:TDE2026hiw
Right ascension: 15h54m55.85s
Declination:-8d07m38.26s
Discovery Date:March 18, 2026, 10:06 a.m.
Classification:TDE
Redshift:0.035000
MW E(B-V):0.163
Host
Name:J155455.81-080738.98
Object ID:98242387325707400
Catalog Name:panstarrs
Catalog Release:dr2
Right ascension: 15h54m55.81s
Declination:-8d07m38.98s
Redshift:None
Photometric Redshift:None
 

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 4.46
Transient MWEBV processed 0.17
Host match processed 6.25
Host information processed 0.06
Host MWEBV processed 0.07
Global aperture construction processed 0.65
Global aperture photometry processed 3.83
Validate global photometry processed 11.99
Global host SED inference processed 415.04
Local aperture photometry processed 3.89
Validate local photometry processed 0.02
Local host SED inference processed 501.7
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h54m55.85s, -8d07m38.26s
semi major axis, semi minor axis (arcsec):2.87, 2.87
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 285.81 0.75 17.760 0.003 AB
PanSTARRS_r 514.2 0.77 17.122 0.002 AB
PanSTARRS_i 685.21 0.86 16.810 0.001 AB
PanSTARRS_z 847.41 2.42 16.580 0.003 AB
PanSTARRS_y 982.79 5.45 16.419 0.006 AB
2MASS_H 1385.2 118.49 14.679 0.093 Vega

Aperture details

RA, DEC (J2000):15h54m55.81s, -8d07m38.81s
semi major axis, semi minor axis (arcsec):6.19, 5.9
angle (degrees, anti-clockwise from east):-134.99
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 17.77 4.53 20.776 0.277 AB
GALEX_NUV 19.19 2.35 20.692 0.133 AB
PanSTARRS_g 416.07 1.5 17.352 0.004 AB
PanSTARRS_r 747.51 1.49 16.716 0.002 AB
PanSTARRS_i 1002.87 1.74 16.397 0.002 AB
PanSTARRS_z 1237.99 4.98 16.168 0.004 AB
PanSTARRS_y 1434.71 11.31 16.008 0.009 AB
2MASS_J 1823.96 168.48 14.853 0.100 Vega
2MASS_H 2254.14 268.39 14.150 0.129 Vega
2MASS_K 2263.46 311.18 13.675 0.149 Vega
WISE_W2 638.12 27.49 13.549 0.047 Vega
WISE_W3 2300.42 110.74 10.321 0.052 Vega
WISE_W4 6232.98 843.16 7.793 0.147 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.452 9.623 9.774
{\rm log}_{10}({\rm SFR}) -1.207 -0.482 0.062
{\rm log}_{10}({\rm sSFR}) -10.824 -10.064 -9.526
{\rm stellar\ age} 4.392 6.725 8.388

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.461 -0.863 -0.523
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.855 -1.460 -0.015

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.216 0.458 0.729
\delta -0.747 -0.316 0.154
\tau_1/\tau_2 0.690 1.048 1.412
Q_{PAH} 0.504 1.979 4.699
U_{min} 2.792 8.253 15.112
{\rm log}_{10}(\gamma_e)\, -3.143 -1.686 -0.635

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.026 -1.994 -0.988
{\rm log}_{10}(\tau_{AGN})\, 0.903 1.426 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.126 -0.650 -0.347
0.03-0.10 Gyr -1.472 -0.439 0.174
0.10-0.33 Gyr -1.265 -0.364 0.136
0.33-1.09 Gyr -1.145 -0.410 -0.027
1.09-3.62 Gyr -1.083 -0.376 -0.093
3.62-11.96 Gyr -0.952 -0.364 -0.115
11.96-13.29 Gyr -1.115 -0.329 0.294

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.693 9.797 9.895
{\rm log}_{10}({\rm SFR}) -1.070 -0.683 -0.379
{\rm log}_{10}({\rm sSFR}) -10.880 -10.499 -10.163
{\rm stellar\ age} 5.297 6.970 8.171

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.922 -0.611 -0.399
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.708 -1.174 0.030

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.246 0.445
\delta -0.551 -0.091 0.251
\tau_1/\tau_2 0.628 0.954 1.295
Q_{PAH} 0.870 2.109 4.463
U_{min} 2.371 7.163 13.910
{\rm log}_{10}(\gamma_e)\, -3.163 -1.966 -0.726

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.721 -2.215 -1.350
{\rm log}_{10}(\tau_{AGN})\, 1.079 1.558 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.242 -0.759 -0.310
0.03-0.10 Gyr -1.282 -0.712 -0.343
0.10-0.33 Gyr -1.025 -0.474 -0.046
0.33-1.09 Gyr -0.870 -0.286 0.086
1.09-3.62 Gyr -0.516 -0.158 0.077
3.62-11.96 Gyr -0.418 -0.111 0.066
11.96-13.29 Gyr -0.685 -0.113 0.337