2025afhg

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Information

Transient

Name: AT2025afhg
Right ascension: 9h49m06.96s
Declination: 2d29m52.53s
Discovery Date: Nov. 26, 2025, 9:57 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.070

Host

Name: 3121446
Right ascension: 9h49m07.26s
Declination: 2d29m55.74s
Redshift: 0.091903
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.96
Transient MWEBV processed 0.05
Host match processed 4.73
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.59
Validate global photometry processed 15.92
Global host SED inference processed 519.44
Local aperture photometry processed 6.36
Validate local photometry processed 0.03
Local host SED inference processed 442.05
 

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) = 9h49m06.96s, 2d29m52.53s
semi major axis, semi minor axis (arcsec) = 1.17, 1.17
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 3.42 0.15 22.564 0.048 AB
DES_r 8.32 0.33 21.600 0.044 AB
PanSTARRS_z 17.37 0.98 20.800 0.061 AB
DES_z 17.27 0.92 20.807 0.058 AB
PanSTARRS_y 13.12 2.53 21.105 0.210 AB

Aperture details

RA, DEC (J2000) = 9h49m07.26s, 2d29m55.73s
semi major axis, semi minor axis (arcsec) = 5.77, 5.46
angle (degrees, anti-clockwise from east) = -156.22

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.26 1.27 22.616 0.423 AB
GALEX_NUV 0.7 0.52 24.287 0.809 AB
SDSS_g 257.96 4.58 17.871 0.019 AB
DES_g 290.84 1.08 17.741 0.004 AB
PanSTARRS_g 291.72 1.72 17.738 0.006 AB
SDSS_r 664.64 7.34 16.844 0.012 AB
PanSTARRS_r 662.69 1.5 16.847 0.002 AB
DES_r 755.53 2.75 16.704 0.004 AB
SDSS_i 1022.18 9.77 16.376 0.010 AB
PanSTARRS_z 1364.93 4.69 16.062 0.004 AB
SDSS_z 1398.43 21.53 16.036 0.017 AB
DES_z 1477.66 7.52 15.976 0.006 AB
PanSTARRS_y 1525.94 12.11 15.941 0.009 AB
2MASS_J 2287.16 197.98 14.607 0.094 Vega
2MASS_H 3210.95 253.36 13.766 0.086 Vega
2MASS_K 2782.86 314.02 13.451 0.123 Vega
WISE_W1 929.79 61.44 13.780 0.072 Vega
WISE_W2 577.02 46.44 13.658 0.087 Vega
WISE_W3 144.51 80.39 13.326 0.604 Vega
WISE_W4 -263.14 448.91 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})\, 8.920 9.049 9.192
{\rm log}_{10}({\rm SFR}) -1.660 -1.005 -0.461
{\rm log}_{10}({\rm sSFR}) -10.723 -10.080 -9.526
{\rm stellar\ age} 4.707 6.657 7.949

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.577 -0.977 -0.269
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.610 -0.800 0.069

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.020 1.479 1.991
\delta -0.084 0.120 0.286
\tau_1/\tau_2 0.654 0.987 1.304
Q_{PAH} 1.072 2.955 5.160
U_{min} 2.865 7.936 14.636
{\rm log}_{10}(\gamma_e)\, -2.943 -1.842 -0.759

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.924 -0.777 0.041
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.468 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.833 -0.929 -0.377
0.03-0.10 Gyr -2.010 -1.154 -0.541
0.10-0.33 Gyr -1.956 -1.190 -0.579
0.33-1.06 Gyr -2.054 -1.167 -0.667
1.06-3.47 Gyr -1.558 -0.936 -0.634
3.47-11.30 Gyr -1.389 -0.853 -0.648
11.30-12.55 Gyr -1.539 -0.830 -0.283

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.804 10.899 10.990
{\rm log}_{10}({\rm SFR}) -4.042 -0.946 0.181
{\rm log}_{10}({\rm sSFR}) -14.881 -11.702 -10.657
{\rm stellar\ age} 7.322 10.037 11.892

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.686 -1.309 -0.983
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.587 -0.748 0.124

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.446 0.587 0.730
\delta -0.874 -0.694 -0.501
\tau_1/\tau_2 0.507 0.987 1.512
Q_{PAH} 0.682 1.735 3.800
U_{min} 3.439 10.023 18.286
{\rm log}_{10}(\gamma_e)\, -2.940 -1.833 -0.816

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.431 -3.393 -2.365
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.591 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.458 -2.117 -0.432
0.03-0.10 Gyr -4.639 -1.077 0.312
0.10-0.33 Gyr -4.667 -1.764 0.092
0.33-1.06 Gyr -5.176 -2.394 -0.170
1.06-3.47 Gyr -3.675 -1.486 0.391
3.47-11.30 Gyr -1.564 0.619 1.151
11.30-12.55 Gyr -0.283 1.836 2.141