2025tad

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Information

Transient

Name: AT2025tad
Right ascension: 1h51m55.08s
Declination: 7d30m30.82s
Discovery Date: July 28, 2025, 9:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name:
Right ascension: 1h51m55.22s
Declination: 7d30m32.76s
Redshift: None
Photometric Redshift: 0.057
 

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 6.06
Cutout download processed 18.54
Global aperture construction processed 0.66
Local aperture photometry processed 6.84
Global aperture photometry processed 5.78
Validate local photometry processed 0.02
Validate global photometry processed 14.65
Host information processed 0.18
Global host SED inference processed 870.45
Local host SED inference processed 452.72
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.03
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) = 1h51m55.08s, 7d30m30.82s
semi major axis, semi minor axis (arcsec) = 1.8, 1.8
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 9.83 1.45 21.419 0.160 AB
SDSS_g 38.0 1.67 19.950 0.048 AB
DES_g 37.89 0.31 19.954 0.009 AB
PanSTARRS_g 38.47 0.5 19.937 0.014 AB
PanSTARRS_r 61.41 0.73 19.429 0.013 AB
DES_r 68.76 0.68 19.307 0.011 AB
SDSS_i 88.59 2.93 19.032 0.036 AB
PanSTARRS_i 85.34 0.44 19.072 0.006 AB
PanSTARRS_z 102.27 1.09 18.876 0.012 AB
SDSS_z 113.74 6.25 18.760 0.060 AB
DES_z 107.85 1.75 18.818 0.018 AB
PanSTARRS_y 119.63 2.8 18.705 0.025 AB

Aperture details

RA, DEC (J2000) = 1h51m55.19s, 7d30m32.36s
semi major axis, semi minor axis (arcsec) = 15.1, 5.74
angle (degrees, anti-clockwise from east) = -139.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 35.47 5.84 20.025 0.179 AB
GALEX_NUV 42.32 4.19 19.834 0.108 AB
SDSS_u 67.43 6.86 19.328 0.110 AB
SDSS_g 313.82 5.29 17.658 0.018 AB
DES_g 224.73 0.91 18.021 0.004 AB
PanSTARRS_g 291.57 2.5 17.738 0.009 AB
PanSTARRS_r 485.21 3.65 17.185 0.008 AB
DES_r 403.11 1.87 17.386 0.005 AB
SDSS_i 670.6 10.85 16.834 0.018 AB
PanSTARRS_i 650.42 2.2 16.867 0.004 AB
PanSTARRS_z 768.01 5.52 16.687 0.008 AB
SDSS_z 875.29 30.2 16.545 0.037 AB
DES_z 625.75 4.7 16.909 0.008 AB
PanSTARRS_y 938.22 14.33 16.469 0.017 AB
2MASS_J 1351.76 207.02 15.178 0.166 Vega
2MASS_H 1371.17 330.02 14.690 0.261 Vega
2MASS_K 1425.58 359.97 14.177 0.274 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})\, 8.953 9.092 9.207
{\rm log}_{10}({\rm SFR}) -1.656 -1.111 -0.558
{\rm log}_{10}({\rm sSFR}) -10.784 -10.212 -9.583
{\rm stellar\ age} 3.457 6.174 7.809

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.442 -0.767 -0.295
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.710 -0.939 0.021

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.247 0.642 1.109
\delta -0.526 -0.185 0.119
\tau_1/\tau_2 0.664 0.991 1.339
Q_{PAH} 0.603 2.159 4.808
U_{min} 3.037 8.100 14.745
{\rm log}_{10}(\gamma_e)\, -3.030 -1.912 -0.718

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.947 -1.026 -0.255
{\rm log}_{10}(\tau_{AGN})\, 0.959 1.426 1.755

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.741 -1.241 -0.827
0.03-0.10 Gyr -1.833 -1.118 -0.466
0.10-0.33 Gyr -1.640 -0.899 -0.231
0.33-1.08 Gyr -1.571 -0.834 -0.338
1.08-3.56 Gyr -1.516 -0.865 -0.604
3.56-11.69 Gyr -1.545 -0.888 -0.656
11.69-12.99 Gyr -1.750 -0.907 -0.371

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.102 10.185 10.270
{\rm log}_{10}({\rm SFR}) -0.089 0.322 0.560
{\rm log}_{10}({\rm sSFR}) -10.271 -9.882 -9.625
{\rm stellar\ age} 7.353 8.569 11.711

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.655 -1.062 -0.500
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.150 -0.209 0.047

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.290 0.727 1.037
\delta 0.113 0.292 0.374
\tau_1/\tau_2 0.533 0.959 1.427
Q_{PAH} 0.378 1.877 4.896
U_{min} 2.564 7.549 14.799
{\rm log}_{10}(\gamma_e)\, -3.059 -1.847 -0.942

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.452 -1.004 -0.478
{\rm log}_{10}(\tau_{AGN})\, 1.170 1.658 1.996

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.582 -0.225 0.092
0.03-0.10 Gyr 0.004 0.431 0.685
0.10-0.33 Gyr -1.729 -0.387 0.188
0.33-1.08 Gyr -1.982 -0.638 -0.122
1.08-3.56 Gyr -2.143 -0.629 -0.019
3.56-11.69 Gyr -0.704 0.259 0.429
11.69-12.99 Gyr 0.083 0.753 1.333