2025tdu

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Information

Transient

Name: AT2025tdu
Right ascension: 16h03m42.67s
Declination: 50d36m26.90s
Discovery Date: July 29, 2025, 6:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name: 2377657
Right ascension: 16h03m42.97s
Declination: 50d36m27.13s
Redshift: 0.038758
Photometric Redshift: 0.040
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.76
Cutout download processed 37.58
Global aperture construction processed 0.68
Local aperture photometry processed 6.51
Global aperture photometry processed 5.42
Validate local photometry processed 0.02
Validate global photometry processed 14.85
Host information processed 0.17
Global host SED inference processed 688.84
Local host SED inference processed 490.62
Transient information processed 0.0
Transient MWEBV processed 0.15
Host MWEBV processed 0.05
Processing status completed N/A N/A
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 16h03m42.67s, 50d36m26.90s
semi major axis, semi minor axis (arcsec) = 2.61, 2.61
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 34.21 2.33 20.065 0.074 AB
SDSS_g 120.6 2.93 18.697 0.026 AB
DES_g 114.54 0.75 18.753 0.007 AB
PanSTARRS_g 119.9 0.65 18.703 0.006 AB
SDSS_r 202.33 3.85 18.135 0.021 AB
PanSTARRS_r 200.37 0.9 18.145 0.005 AB
SDSS_i 276.33 4.64 17.796 0.018 AB
PanSTARRS_i 271.2 0.72 17.817 0.003 AB
PanSTARRS_z 321.07 1.69 17.633 0.006 AB
SDSS_z 336.05 9.15 17.584 0.030 AB
DES_z 341.39 3.2 17.567 0.010 AB
PanSTARRS_y 356.19 4.16 17.521 0.013 AB

Aperture details

RA, DEC (J2000) = 16h03m42.90s, 50d36m27.41s
semi major axis, semi minor axis (arcsec) = 16.79, 4.97
angle (degrees, anti-clockwise from east) = -96.57

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.83 5.33 19.899 0.145 AB
GALEX_NUV 52.12 2.98 19.608 0.062 AB
SDSS_u 169.85 7.32 18.325 0.047 AB
SDSS_g 422.53 5.92 17.335 0.015 AB
DES_g 397.09 1.44 17.403 0.004 AB
PanSTARRS_g 428.97 2.16 17.319 0.005 AB
SDSS_r 680.23 7.86 16.818 0.013 AB
PanSTARRS_r 696.9 3.04 16.792 0.005 AB
SDSS_i 872.02 9.82 16.549 0.012 AB
PanSTARRS_i 890.99 2.42 16.525 0.003 AB
PanSTARRS_z 1036.75 5.76 16.361 0.006 AB
SDSS_z 957.27 28.9 16.447 0.033 AB
DES_z 1051.23 6.01 16.346 0.006 AB
PanSTARRS_y 1209.63 14.41 16.193 0.013 AB
2MASS_J 1266.41 190.31 15.249 0.163 Vega
2MASS_H 1396.58 315.92 14.670 0.246 Vega
2MASS_K 1691.09 376.95 13.992 0.242 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.289 9.406 9.508
{\rm log}_{10}({\rm SFR}) -2.083 -1.179 -0.476
{\rm log}_{10}({\rm sSFR}) -11.445 -10.622 -9.888
{\rm stellar\ age} 6.952 8.190 11.353

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.675 -1.226 -0.829
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.759 -0.841 0.171

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.272 0.602 0.896
\delta -0.528 -0.065 0.267
\tau_1/\tau_2 0.630 1.047 1.423
Q_{PAH} 0.878 2.816 4.930
U_{min} 2.897 8.578 15.749
{\rm log}_{10}(\gamma_e)\, -3.299 -2.156 -0.708

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.948 -1.173 -0.450
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.523 1.976

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.112 -1.831 -1.160
0.03-0.10 Gyr -2.132 -1.094 -0.323
0.10-0.33 Gyr -2.212 -1.132 -0.541
0.33-1.09 Gyr -3.022 -1.412 -0.849
1.09-3.61 Gyr -2.917 -1.295 -0.671
3.61-11.91 Gyr -1.382 -0.522 -0.340
11.91-13.24 Gyr -0.989 -0.221 0.521

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.727 9.852 9.978
{\rm log}_{10}({\rm SFR}) -0.333 0.154 0.559
{\rm log}_{10}({\rm sSFR}) -10.198 -9.684 -9.285
{\rm stellar\ age} 4.997 7.479 10.426

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.743 -1.273 -0.728
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.107 0.271 0.437

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.425 0.748 1.183
\delta -0.274 0.007 0.268
\tau_1/\tau_2 0.403 0.782 1.216
Q_{PAH} 0.896 2.407 4.021
U_{min} 2.492 7.504 15.723
{\rm log}_{10}(\gamma_e)\, -3.572 -2.741 -1.506

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.835 -1.873 -1.320
{\rm log}_{10}(\tau_{AGN})\, 0.802 1.105 1.738

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.819 -0.819 -0.282
0.03-0.10 Gyr -0.226 0.294 0.718
0.10-0.33 Gyr -2.022 -0.300 0.463
0.33-1.09 Gyr -2.195 -0.576 0.013
1.09-3.61 Gyr -1.924 -0.437 0.048
3.61-11.91 Gyr -1.374 -0.128 0.094
11.91-13.24 Gyr -1.137 -0.013 0.910