2025afgi

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Information

Transient

Name: AT2025afgi
Right ascension: 13h57m20.58s
Declination: 28d34m24.95s
Discovery Date: Nov. 29, 2025, 12:19 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name: 1839767
Right ascension: 13h57m20.41s
Declination: 28d34m29.05s
Redshift: None
Photometric Redshift: 0.036
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.1
Transient MWEBV processed 0.04
Host match processed 4.06
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.71
Global aperture photometry processed 6.88
Validate global photometry processed 16.14
Global host SED inference processed 443.86
Local aperture photometry processed 7.13
Validate local photometry processed 0.02
Local host SED inference processed 433.83
 

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) = 13h57m20.58s, 28d34m24.95s
semi major axis, semi minor axis (arcsec) = 2.82, 2.82
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 52.7 3.21 19.595 0.066 AB
SDSS_g 147.08 3.23 18.481 0.024 AB
DES_g 162.79 0.65 18.371 0.004 AB
PanSTARRS_g 141.9 0.74 18.520 0.006 AB
SDSS_r 224.02 4.04 18.024 0.020 AB
PanSTARRS_r 211.93 0.87 18.084 0.004 AB
DES_r 257.08 1.53 17.875 0.006 AB
SDSS_i 293.45 4.95 17.731 0.018 AB
PanSTARRS_i 265.65 1.02 17.839 0.004 AB
PanSTARRS_z 302.8 1.51 17.697 0.005 AB
SDSS_z 359.21 9.1 17.512 0.028 AB
DES_z 354.8 4.14 17.525 0.013 AB
PanSTARRS_y 336.67 5.0 17.582 0.016 AB
2MASS_H 428.86 108.15 15.952 0.274 Vega

Aperture details

RA, DEC (J2000) = 13h57m20.45s, 28d34m28.72s
semi major axis, semi minor axis (arcsec) = 13.45, 8.64
angle (degrees, anti-clockwise from east) = -22.25

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 93.98 12.57 18.967 0.145 AB
GALEX_NUV 124.63 8.97 18.661 0.078 AB
SDSS_u 276.73 11.11 17.795 0.044 AB
SDSS_g 791.85 7.82 16.653 0.011 AB
DES_g 819.74 1.59 16.616 0.002 AB
PanSTARRS_g 800.72 2.7 16.641 0.004 AB
SDSS_r 1168.34 9.92 16.231 0.009 AB
PanSTARRS_r 1193.17 3.24 16.208 0.003 AB
DES_r 1319.32 3.65 16.099 0.003 AB
SDSS_i 1568.14 13.32 15.912 0.009 AB
PanSTARRS_i 1505.82 3.78 15.956 0.003 AB
PanSTARRS_z 1708.49 5.67 15.818 0.004 AB
SDSS_z 1900.8 31.65 15.703 0.018 AB
DES_z 1829.7 9.83 15.744 0.006 AB
PanSTARRS_y 1987.19 18.99 15.654 0.010 AB
2MASS_J 2174.82 251.28 14.662 0.125 Vega
2MASS_H 2521.99 424.7 14.028 0.183 Vega
2MASS_K 2217.15 412.79 13.698 0.202 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})\, 8.942 9.111 9.257
{\rm log}_{10}({\rm SFR}) -1.189 -0.756 -0.298
{\rm log}_{10}({\rm sSFR}) -10.389 -9.863 -9.317
{\rm stellar\ age} 5.051 7.086 8.782

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.279 -0.610 -0.350
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.817 -1.557 -0.837

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.190 0.393 0.733
\delta -0.753 -0.399 0.002
\tau_1/\tau_2 0.653 0.977 1.328
Q_{PAH} 0.677 2.056 4.095
U_{min} 2.864 8.074 14.514
{\rm log}_{10}(\gamma_e)\, -3.285 -2.216 -1.239

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.029 -2.449 -1.026
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.459 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.003 -0.783 -0.528
0.03-0.10 Gyr -1.385 -0.747 -0.213
0.10-0.33 Gyr -1.683 -0.960 -0.443
0.33-1.09 Gyr -1.859 -1.112 -0.740
1.09-3.61 Gyr -1.749 -0.988 -0.701
3.61-11.95 Gyr -1.308 -0.848 -0.614
11.95-13.28 Gyr -1.499 -0.792 -0.152

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.807 9.889 9.982
{\rm log}_{10}({\rm SFR}) -0.238 0.056 0.356
{\rm log}_{10}({\rm sSFR}) -10.136 -9.831 -9.542
{\rm stellar\ age} 5.663 7.018 8.243

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.370 -0.861 -0.530
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.728 -0.069 0.244

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.292 0.532 0.822
\delta -0.183 0.076 0.269
\tau_1/\tau_2 0.674 1.048 1.414
Q_{PAH} 0.326 1.022 2.909
U_{min} 2.493 6.997 13.822
{\rm log}_{10}(\gamma_e)\, -3.139 -2.195 -1.212

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.327 -2.583 -1.440
{\rm log}_{10}(\tau_{AGN})\, 0.909 1.370 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.423 -0.237 -0.017
0.03-0.10 Gyr -0.211 0.147 0.469
0.10-0.33 Gyr -0.382 0.030 0.336
0.33-1.09 Gyr -0.563 -0.167 0.144
1.09-3.61 Gyr -0.499 -0.141 0.110
3.61-11.95 Gyr -0.283 -0.022 0.127
11.95-13.28 Gyr -0.497 0.034 0.502