2025afum

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Information

Transient

Name: AT2025afum
Right ascension: 8h26m04.74s
Declination: 33d14m13.48s
Discovery Date: Dec. 2, 2025, 5:36 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name: J082604.51+331423
Right ascension: 8h26m04.52s
Declination: 33d14m23.05s
Redshift: None
Photometric Redshift: 0.092
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.39
Transient MWEBV processed 0.12
Host match processed 4.27
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.54
Validate global photometry processed 16.1
Global host SED inference processed 617.14
Local aperture photometry processed 6.48
Validate local photometry processed 0.03
Local host SED inference processed 440.77
 

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) = 8h26m04.74s, 33d14m13.48s
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 2.05 0.13 23.119 0.069 AB
DES_r 3.5 0.32 22.540 0.100 AB
PanSTARRS_i 4.8 0.48 22.197 0.110 AB
PanSTARRS_z 4.59 0.79 22.246 0.187 AB
DES_z 3.93 0.54 22.415 0.150 AB
PanSTARRS_y 6.7 2.05 21.834 0.332 AB

Aperture details

RA, DEC (J2000) = 8h26m04.51s, 33d14m23.28s
semi major axis, semi minor axis (arcsec) = 6.39, 4.89
angle (degrees, anti-clockwise from east) = -15.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.25 0.45 23.660 0.394 AB
GALEX_NUV 2.15 0.59 23.070 0.296 AB
SDSS_u 2.62 4.35 22.853 1.799 AB
SDSS_g 214.5 4.19 18.071 0.021 AB
DES_g 230.18 1.25 17.995 0.006 AB
PanSTARRS_g 248.36 1.44 17.912 0.006 AB
SDSS_r 511.95 6.36 17.127 0.013 AB
PanSTARRS_r 508.45 2.15 17.134 0.005 AB
DES_r 555.11 3.87 17.039 0.008 AB
SDSS_i 751.53 7.95 16.710 0.011 AB
PanSTARRS_i 762.17 2.31 16.695 0.003 AB
PanSTARRS_z 958.7 3.8 16.446 0.004 AB
SDSS_z 955.39 16.06 16.450 0.018 AB
DES_z 1012.88 6.27 16.386 0.007 AB
PanSTARRS_y 1119.37 9.65 16.278 0.009 AB
2MASS_J 1404.9 154.53 15.136 0.119 Vega
2MASS_H 1999.04 245.9 14.280 0.134 Vega
2MASS_K 1781.2 212.67 13.935 0.130 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})\, 7.856 8.190 8.380
{\rm log}_{10}({\rm SFR}) -1.612 -1.120 -0.531
{\rm log}_{10}({\rm sSFR}) -9.886 -9.265 -8.494
{\rm stellar\ age} 0.864 4.827 6.819

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.721 -1.242 -0.591
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.610 -0.895 0.089

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.713 1.161 1.794
\delta -0.172 0.075 0.269
\tau_1/\tau_2 0.682 1.044 1.428
Q_{PAH} 1.025 2.862 5.416
U_{min} 2.951 8.204 15.409
{\rm log}_{10}(\gamma_e)\, -2.883 -1.850 -0.727

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.593 -0.178 0.263
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.454 1.825

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.417 -0.990 -0.450
0.03-0.10 Gyr -1.982 -1.309 -0.590
0.10-0.33 Gyr -2.183 -1.462 -0.859
0.33-1.06 Gyr -2.608 -1.655 -1.249
1.06-3.47 Gyr -3.329 -1.784 -1.428
3.47-11.30 Gyr -3.635 -1.934 -1.518
11.30-12.56 Gyr -3.927 -2.013 -1.341

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.385 10.651 10.852
{\rm log}_{10}({\rm SFR}) -5.507 -1.626 0.142
{\rm log}_{10}({\rm sSFR}) -16.388 -12.429 -10.267
{\rm stellar\ age} 3.180 7.375 11.670

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.664 -1.041 -0.598
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.547 -0.682 0.155

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.412 0.727 1.104
\delta -0.832 -0.488 0.114
\tau_1/\tau_2 0.471 0.921 1.380
Q_{PAH} 0.930 2.994 5.526
U_{min} 2.925 9.309 17.800
{\rm log}_{10}(\gamma_e)\, -3.158 -1.707 -0.766

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.066 -2.164 -0.659
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.483 1.900

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.361 -1.770 -0.052
0.03-0.10 Gyr -6.616 -2.291 0.134
0.10-0.33 Gyr -5.754 -2.217 0.462
0.33-1.06 Gyr -4.648 -1.315 0.800
1.06-3.47 Gyr -2.935 0.026 0.989
3.47-11.30 Gyr -1.737 0.400 0.992
11.30-12.56 Gyr -1.749 0.566 1.934