2025tdt

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Information

Transient

Name: AT2025tdt
Right ascension: 0h57m34.51s
Declination: -16d29m17.38s
Discovery Date: July 29, 2025, 1:46 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name: 3430
Right ascension: 0h57m35.05s
Declination: -16d29m41.04s
Redshift: 0.030638
Photometric Redshift:
 

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 4.48
Cutout download processed 28.91
Global aperture construction processed 0.66
Local aperture photometry processed 5.94
Global aperture photometry processed 5.22
Validate local photometry processed 0.02
Validate global photometry processed 12.1
Host information processed 0.15
Global host SED inference processed 1411.84
Local host SED inference processed 404.76
Transient information processed 0.0
Transient MWEBV processed 0.05
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) = 0h57m34.51s, -16d29m17.38s
semi major axis, semi minor axis (arcsec) = 3.26, 3.26
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 15.57 0.22 20.919 0.016 AB
PanSTARRS_g 13.88 0.81 21.044 0.064 AB
PanSTARRS_r 22.59 1.32 20.515 0.063 AB
DES_r 36.11 0.35 20.006 0.011 AB
PanSTARRS_i 41.31 1.7 19.860 0.045 AB
PanSTARRS_z 44.64 2.13 19.776 0.052 AB
DES_z 66.38 1.11 19.345 0.018 AB
PanSTARRS_y 57.34 5.74 19.504 0.109 AB
2MASS_J 75.62 62.43 18.309 0.896 Vega
2MASS_H 50.68 90.15 18.270 1.931 Vega
2MASS_K 112.66 115.4 16.933 1.112 Vega

Aperture details

RA, DEC (J2000) = 0h57m35.04s, -16d29m40.28s
semi major axis, semi minor axis (arcsec) = 20.78, 18.75
angle (degrees, anti-clockwise from east) = -76.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 26.32 5.03 20.349 0.207 AB
GALEX_NUV 38.14 5.59 19.947 0.159 AB
DES_g 4791.44 2.41 14.699 0.001 AB
PanSTARRS_g 4777.24 5.28 14.702 0.001 AB
PanSTARRS_r 9439.47 7.86 13.963 0.001 AB
DES_r 10503.62 4.05 13.847 0.000 AB
PanSTARRS_i 14001.76 10.21 13.535 0.001 AB
PanSTARRS_z 17020.96 14.13 13.323 0.001 AB
DES_z 18931.08 15.24 13.207 0.001 AB
2MASS_H 31528.13 552.53 11.286 0.019 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})\, 8.087 8.381 8.575
{\rm log}_{10}({\rm SFR}) -1.466 -1.051 -0.713
{\rm log}_{10}({\rm sSFR}) -9.987 -9.467 -8.897
{\rm stellar\ age} 3.328 6.134 7.683

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.416 -0.702 -0.163
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.637 -1.120 0.104

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.200 1.582 1.946
\delta -0.301 -0.072 0.102
\tau_1/\tau_2 0.563 0.886 1.210
Q_{PAH} 0.387 1.577 4.110
U_{min} 2.961 7.929 14.909
{\rm log}_{10}(\gamma_e)\, -3.377 -2.275 -1.293

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.842 -2.036 -0.851
{\rm log}_{10}(\tau_{AGN})\, 0.922 1.338 1.818

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.316 -0.951 -0.683
0.03-0.10 Gyr -1.860 -1.159 -0.694
0.10-0.33 Gyr -2.200 -1.509 -1.027
0.33-1.10 Gyr -2.278 -1.590 -1.182
1.10-3.63 Gyr -2.209 -1.571 -1.261
3.63-12.01 Gyr -2.440 -1.642 -1.327
12.01-13.35 Gyr -2.617 -1.667 -1.095

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.987 11.096 11.218
{\rm log}_{10}({\rm SFR}) -2.285 -1.228 -0.126
{\rm log}_{10}({\rm sSFR}) -13.415 -12.290 -11.232
{\rm stellar\ age} 7.790 10.760 12.669

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.597 -1.007 -0.351
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.511 -0.630 0.023

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.325 0.746 1.110
\delta -0.530 0.045 0.296
\tau_1/\tau_2 0.419 0.885 1.408
Q_{PAH} 0.485 4.168 6.260
U_{min} 2.613 9.118 17.240
{\rm log}_{10}(\gamma_e)\, -3.490 -1.899 -0.304

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.437 -2.291 -1.020
{\rm log}_{10}(\tau_{AGN})\, 0.811 1.343 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.629 -1.039 0.213
0.03-0.10 Gyr -4.411 -2.039 -0.638
0.10-0.33 Gyr -5.123 -2.453 -0.818
0.33-1.10 Gyr -4.936 -2.309 -0.401
1.10-3.63 Gyr -3.659 -1.247 0.697
3.63-12.01 Gyr -1.697 0.796 1.324
12.01-13.35 Gyr 0.395 2.039 2.318