2025afyd

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Information

Transient

Name: AT2025afyd
Right ascension: 13h57m19.51s
Declination: 30d17m12.39s
Discovery Date: Dec. 7, 2025, 1:10 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name:
Right ascension: 13h57m19.37s
Declination: 30d17m14.57s
Redshift: None
Photometric Redshift: 0.054
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.21
Transient MWEBV processed 0.05
Host match processed 5.61
Host information processed 0.17
Host MWEBV processed 0.05
Global aperture construction processed 0.68
Global aperture photometry processed 4.15
Validate global photometry processed 12.0
Global host SED inference processed 423.43
Local aperture photometry processed 4.14
Validate local photometry processed 0.02
Local host SED inference processed 480.84
 

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) = 13h57m19.51s, 30d17m12.39s
semi major axis, semi minor axis (arcsec) = 1.9, 1.9
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 19.89 0.57 20.653 0.031 AB
PanSTARRS_r 27.42 0.5 20.305 0.020 AB
PanSTARRS_i 32.37 0.61 20.125 0.021 AB
PanSTARRS_z 33.93 1.07 20.073 0.034 AB
PanSTARRS_y 31.28 2.67 20.162 0.093 AB

Aperture details

RA, DEC (J2000) = 13h57m19.35s, 30d17m14.70s
semi major axis, semi minor axis (arcsec) = 8.15, 5.13
angle (degrees, anti-clockwise from east) = -171.57

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.07 5.16 20.757 0.310 AB
GALEX_NUV 28.9 2.86 20.248 0.107 AB
PanSTARRS_g 139.24 1.92 18.541 0.015 AB
PanSTARRS_r 191.95 1.68 18.192 0.009 AB
PanSTARRS_i 236.17 2.06 17.967 0.009 AB
PanSTARRS_z 259.81 3.59 17.863 0.015 AB
PanSTARRS_y 245.95 8.98 17.923 0.040 AB
2MASS_J 237.0 128.56 17.068 0.589 Vega
2MASS_H 55.26 187.65 18.176 3.687 Vega
2MASS_K -36.8 244.27 Vega
WISE_W1 107.43 9.97 16.123 0.101 Vega
WISE_W2 66.45 11.32 16.005 0.185 Vega
WISE_W3 198.74 46.61 12.980 0.255 Vega
WISE_W4 531.04 294.33 10.467 0.602 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})\, 8.282 8.436 8.551
{\rm log}_{10}({\rm SFR}) -2.381 -1.619 -1.003
{\rm log}_{10}({\rm sSFR}) -10.804 -10.055 -9.474
{\rm stellar\ age} 2.960 5.992 7.484

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.697 -1.246 -0.704
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.698 -1.008 -0.115

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.078 0.245 0.707
\delta -0.689 -0.214 0.211
\tau_1/\tau_2 0.696 1.072 1.443
Q_{PAH} 1.175 2.837 5.028
U_{min} 2.874 8.226 15.909
{\rm log}_{10}(\gamma_e)\, -3.032 -1.929 -0.720

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.022 -0.121 0.173
{\rm log}_{10}(\tau_{AGN})\, 1.181 1.562 1.974

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.936 -2.148 -1.596
0.03-0.10 Gyr -2.476 -1.536 -0.878
0.10-0.33 Gyr -2.048 -1.356 -0.850
0.33-1.08 Gyr -2.157 -1.458 -0.994
1.08-3.56 Gyr -2.225 -1.504 -1.246
3.56-11.73 Gyr -2.554 -1.555 -1.322
11.73-13.04 Gyr -2.676 -1.610 -1.071

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.288 9.402 9.506
{\rm log}_{10}({\rm SFR}) -1.146 -0.576 -0.258
{\rm log}_{10}({\rm sSFR}) -10.509 -9.969 -9.622
{\rm stellar\ age} 6.111 7.362 9.497

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.615 -1.219 -0.879
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.773 -0.963 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.070 0.151 0.277
\delta -0.473 -0.038 0.257
\tau_1/\tau_2 0.559 0.906 1.279
Q_{PAH} 0.519 1.544 3.240
U_{min} 3.155 9.195 16.745
{\rm log}_{10}(\gamma_e)\, -2.546 -1.569 -0.667

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.103 -2.702 -1.771
{\rm log}_{10}(\tau_{AGN})\, 1.014 1.481 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.715 -2.004 -1.315
0.03-0.10 Gyr -1.037 -0.426 -0.095
0.10-0.33 Gyr -0.991 -0.464 -0.113
0.33-1.08 Gyr -1.946 -0.838 -0.507
1.08-3.56 Gyr -1.711 -0.808 -0.514
3.56-11.73 Gyr -0.942 -0.537 -0.355
11.73-13.04 Gyr -1.073 -0.366 0.333