2025afxj

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Information

Transient

Name: AT2025afxj
Right ascension: 3h54m32.83s
Declination: -13d40m06.03s
Discovery Date: Nov. 7, 2025, 8:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name:
Right ascension: 3h54m32.83s
Declination: -13d40m07.98s
Redshift: None
Photometric Redshift: 0.040
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.35
Transient MWEBV processed 0.09
Host match processed 6.32
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 4.37
Validate global photometry processed 11.95
Global host SED inference processed 3905.54
Local aperture photometry processed 4.36
Validate local photometry processed 0.02
Local host SED inference processed 502.19
 

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) = 3h54m32.83s, -13d40m06.03s
semi major axis, semi minor axis (arcsec) = 2.52, 2.52
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 415.17 0.69 17.354 0.002 AB
PanSTARRS_g 439.8 0.73 17.292 0.002 AB
PanSTARRS_r 632.21 0.81 16.898 0.001 AB
PanSTARRS_i 1024.39 0.91 16.374 0.001 AB
PanSTARRS_z 1095.64 2.11 16.301 0.002 AB
PanSTARRS_y 1334.41 4.85 16.087 0.004 AB

Aperture details

RA, DEC (J2000) = 3h54m32.82s, -13d40m07.74s
semi major axis, semi minor axis (arcsec) = 7.45, 5.1
angle (degrees, anti-clockwise from east) = -28.72

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 124.99 7.85 18.658 0.068 AB
GALEX_NUV 182.46 5.4 18.247 0.032 AB
DES_g 731.44 0.96 16.740 0.001 AB
PanSTARRS_g 774.13 1.54 16.678 0.002 AB
PanSTARRS_r 1244.21 1.76 16.163 0.002 AB
PanSTARRS_i 1896.81 1.95 15.705 0.001 AB
PanSTARRS_z 2123.28 4.89 15.582 0.002 AB
PanSTARRS_y 2665.42 11.64 15.336 0.005 AB
2MASS_J 3338.37 155.44 14.196 0.051 Vega
2MASS_H 4383.63 230.62 13.428 0.057 Vega
2MASS_K 5174.62 309.68 12.778 0.065 Vega
WISE_W1 3452.65 32.35 12.356 0.010 Vega
WISE_W2 3673.88 43.42 11.648 0.013 Vega
WISE_W3 3541.87 85.72 9.853 0.026 Vega
WISE_W4 3998.04 655.07 8.275 0.178 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.662 9.920 10.117
{\rm log}_{10}({\rm SFR}) -0.161 0.419 0.837
{\rm log}_{10}({\rm sSFR}) -10.206 -9.494 -8.900
{\rm stellar\ age} 3.523 6.959 9.244

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.690 -1.005 -0.367
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.769 -1.111 -0.161

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.668 1.085 1.450
\delta -0.421 -0.051 0.189
\tau_1/\tau_2 0.587 0.972 1.359
Q_{PAH} 0.439 1.916 3.533
U_{min} 2.744 7.998 15.521
{\rm log}_{10}(\gamma_e)\, -3.528 -2.735 -1.561

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.228 -2.319 -0.862
{\rm log}_{10}(\tau_{AGN})\, 0.986 1.470 1.988

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.012 0.344 0.600
0.03-0.10 Gyr -0.589 0.421 0.932
0.10-0.33 Gyr -1.538 -0.283 0.460
0.33-1.09 Gyr -1.841 -0.437 0.128
1.09-3.60 Gyr -1.609 -0.353 0.126
3.60-11.90 Gyr -1.262 -0.123 0.222
11.90-13.22 Gyr -1.179 -0.030 0.778

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.346 10.420 10.475
{\rm log}_{10}({\rm SFR}) -0.345 0.059 0.711
{\rm log}_{10}({\rm sSFR}) -10.774 -10.339 -9.740
{\rm stellar\ age} 8.933 11.961 12.471

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.320 -0.089 0.067
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.924 -1.709 0.348

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.130 0.269 0.542
\delta 0.039 0.274 0.366
\tau_1/\tau_2 0.320 0.745 1.230
Q_{PAH} 0.080 0.297 0.766
U_{min} 3.321 8.653 15.278
{\rm log}_{10}(\gamma_e)\, -3.591 -3.004 -2.327

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.063 -0.955 -0.866
{\rm log}_{10}(\tau_{AGN})\, 0.739 0.813 0.907

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.605 0.046 0.367
0.03-0.10 Gyr -1.587 -0.050 0.790
0.10-0.33 Gyr -3.769 -1.582 -0.638
0.33-1.09 Gyr -5.297 -2.245 -0.978
1.09-3.60 Gyr -3.857 -1.746 -0.724
3.60-11.90 Gyr -1.706 -0.350 0.498
11.90-13.22 Gyr 0.910 1.499 1.587