2026twd results

Information

Transient
Name:TDE2026twd
Right ascension: 0h48m47.96s
Declination:22d54m34.19s
Discovery Date:July 11, 2026, 3:02 a.m.
Classification:TDE-H-He
Redshift:0.055400
MW E(B-V):0.035
Host
Name:J004847.97+225433.97
Object ID:9906629884182580
Catalog Name:decals
Catalog Release:dr9
Right ascension: 0h48m47.97s
Declination:22d54m33.97s
Redshift:None
Photometric Redshift:0.053
 

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 19.09
Transient MWEBV processed 0.17
Host match processed 7.67
Host information processed 0.13
Host MWEBV processed 0.15
Global aperture construction processed 0.66
Global aperture photometry processed 6.33
Validate global photometry processed 19.31
Global host SED inference processed 882.29
Local aperture photometry processed 5.9
Validate local photometry processed 0.03
Local host SED inference processed 480.89
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h48m47.96s, 22d54m34.19s
semi major axis, semi minor axis (arcsec):1.86, 1.86
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 105.25 3.14 18.844 0.032 AB
SDSS_g 453.9 5.56 17.258 0.013 AB
DES_g 503.48 1.4 17.145 0.003 AB
PanSTARRS_g 460.94 0.73 17.241 0.002 AB
SDSS_r 859.97 7.67 16.564 0.010 AB
PanSTARRS_r 838.24 0.75 16.592 0.001 AB
DES_r 968.69 3.0 16.435 0.003 AB
SDSS_i 1153.08 8.94 16.245 0.008 AB
PanSTARRS_i 1192.41 0.87 16.209 0.001 AB
PanSTARRS_z 1344.4 1.63 16.079 0.001 AB
SDSS_z 1415.71 10.8 16.023 0.008 AB
DES_z 1443.89 8.84 16.001 0.007 AB
PanSTARRS_y 1524.64 3.53 15.942 0.003 AB

Aperture details

RA, DEC (J2000):0h48m47.96s, 22d54m34.14s
semi major axis, semi minor axis (arcsec):8.11, 5.86
angle (degrees, anti-clockwise from east):-160.27
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.93 2.79 21.652 0.381 AB
GALEX_NUV 20.87 3.21 20.601 0.167 AB
SDSS_u 253.92 7.6 17.888 0.032 AB
SDSS_g 872.72 8.01 16.548 0.010 AB
DES_g 920.49 1.97 16.490 0.002 AB
PanSTARRS_g 906.3 1.87 16.507 0.002 AB
SDSS_r 1610.13 11.03 15.883 0.007 AB
PanSTARRS_r 1623.15 1.93 15.874 0.001 AB
DES_r 1740.85 4.15 15.798 0.003 AB
SDSS_i 2195.15 13.36 15.546 0.007 AB
PanSTARRS_i 2229.95 2.4 15.529 0.001 AB
PanSTARRS_z 2584.31 5.0 15.369 0.002 AB
SDSS_z 2711.27 21.86 15.317 0.009 AB
DES_z 2735.82 12.32 15.307 0.005 AB
PanSTARRS_y 3042.9 12.58 15.192 0.004 AB
2MASS_J 4044.91 171.48 13.988 0.046 Vega
2MASS_H 4516.87 241.53 13.395 0.058 Vega
2MASS_K 4145.44 329.98 13.018 0.086 Vega
WISE_W1 1753.4 24.9 13.091 0.015 Vega
WISE_W2 1135.11 27.16 12.923 0.026 Vega
WISE_W3 1413.14 71.96 10.851 0.055 Vega
WISE_W4 4520.76 653.32 8.142 0.157 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.079 10.204 10.311
{\rm log}_{10}({\rm SFR}) -0.891 -0.369 0.099
{\rm log}_{10}({\rm sSFR}) -11.144 -10.573 -10.035
{\rm stellar\ age} 5.457 7.125 8.430

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.505 -1.131 -0.803
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.826 -0.697 0.204

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.317 0.438 0.606
\delta -0.939 -0.790 -0.489
\tau_1/\tau_2 0.616 0.941 1.291
Q_{PAH} 0.455 2.099 4.399
U_{min} 2.429 7.455 14.519
{\rm log}_{10}(\gamma_e)\, -3.242 -1.955 -1.065

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.298 -3.103 -1.514
{\rm log}_{10}(\tau_{AGN})\, 0.910 1.306 1.781

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.594 -0.269 -0.022
0.03-0.10 Gyr -1.361 -0.425 0.151
0.10-0.33 Gyr -1.283 -0.294 0.290
0.33-1.08 Gyr -1.540 -0.241 0.330
1.08-3.57 Gyr -1.006 0.112 0.415
3.57-11.74 Gyr -0.245 0.269 0.482
11.74-13.05 Gyr -0.392 0.284 0.942
0.33-1.08 Gyr -0.997 -0.083 0.391
1.08-3.56 Gyr -0.416 0.200 0.458
3.56-11.72 Gyr -0.058 0.289 0.498
11.72-13.02 Gyr -0.278 0.327 0.851

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.506 10.576 10.666
{\rm log}_{10}({\rm SFR}) -2.993 -1.435 -0.959
{\rm log}_{10}({\rm sSFR}) -13.398 -11.975 -11.485
{\rm stellar\ age} 7.122 7.844 10.368

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.012 -0.709 -0.554
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.539 -0.394 0.263

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.042 0.121 0.269
\delta -0.193 0.178 0.340
\tau_1/\tau_2 0.452 0.872 1.306
Q_{PAH} 0.666 2.314 4.778
U_{min} 2.746 8.082 15.714
{\rm log}_{10}(\gamma_e)\, -3.055 -1.853 -0.626

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.656 -1.849 -1.522
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.343 1.682

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.918 -1.380 -0.821
0.03-0.10 Gyr -4.528 -1.859 -0.989
0.10-0.33 Gyr -4.944 -2.034 -0.974
0.33-1.08 Gyr -4.203 -1.763 -0.718
1.08-3.57 Gyr -2.493 -0.277 0.580
3.57-11.74 Gyr 0.087 0.724 0.858
11.74-13.05 Gyr -0.619 0.747 1.573
0.33-1.08 Gyr -4.036 -1.726 -0.596
1.08-3.56 Gyr -2.475 -0.212 0.649
3.56-11.72 Gyr 0.238 0.760 0.899
11.72-13.02 Gyr -0.617 0.747 1.591