2025afan

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Information

Transient

Name: AT2025afan
Right ascension: 0h29m38.94s
Declination: -11d51m50.19s
Discovery Date: Nov. 27, 2025, 7:29 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name:
Right ascension: 0h29m38.94s
Declination: -11d51m50.51s
Redshift: None
Photometric Redshift: 0.102
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.32
Transient MWEBV processed 0.1
Host match processed 6.08
Host information processed 0.13
Host MWEBV processed 0.05
Global aperture construction processed 0.62
Global aperture photometry processed 5.71
Validate global photometry processed 13.55
Global host SED inference processed 392.63
Local aperture photometry processed 5.17
Validate local photometry processed 0.02
Local host SED inference processed 617.6
 

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) = 0h29m38.94s, -11d51m50.19s
semi major axis, semi minor axis (arcsec) = 1.07, 1.07
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 26.13 1.21 20.357 0.050 AB
PanSTARRS_y 30.95 1.94 20.173 0.068 AB

Aperture details

RA, DEC (J2000) = 0h29m38.94s, -11d51m50.30s
semi major axis, semi minor axis (arcsec) = 2.81, 2.56
angle (degrees, anti-clockwise from east) = -159.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.42 0.53 22.564 0.168 AB
GALEX_NUV 4.18 0.45 22.348 0.116 AB
DES_g 21.7 0.33 20.559 0.017 AB
PanSTARRS_g 22.95 0.62 20.498 0.029 AB
PanSTARRS_r 32.04 0.53 20.136 0.018 AB
DES_r 36.09 0.51 20.006 0.015 AB
PanSTARRS_i 42.68 0.89 19.825 0.023 AB
PanSTARRS_z 37.74 1.71 19.958 0.049 AB
DES_z 45.69 1.73 19.751 0.041 AB
PanSTARRS_y 51.9 4.63 19.612 0.097 AB
2MASS_J -193.63 88.7 Vega
2MASS_H 157.99 149.73 17.036 1.029 Vega
2MASS_K 240.54 151.03 16.109 0.682 Vega
WISE_W1 22.13 6.74 17.839 0.331 Vega
WISE_W2 38.54 12.92 16.596 0.364 Vega
WISE_W3 100.59 59.8 13.720 0.645 Vega
WISE_W4 -492.78 353.88 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})\, 8.501 8.961 9.213
{\rm log}_{10}({\rm SFR}) -0.992 -0.475 0.012
{\rm log}_{10}({\rm sSFR}) -10.010 -9.454 -8.597
{\rm stellar\ age} 1.651 5.939 7.800

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.368 -0.470 0.026
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.050 -0.540 0.024

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.458 0.900 1.519
\delta -0.564 -0.111 0.196
\tau_1/\tau_2 0.436 0.849 1.323
Q_{PAH} 0.634 2.002 4.648
U_{min} 2.997 8.161 15.319
{\rm log}_{10}(\gamma_e)\, -3.106 -2.060 -0.767

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.998 -0.758 -0.071
{\rm log}_{10}(\tau_{AGN})\, 1.026 1.516 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.693 -0.259 0.203
0.03-0.10 Gyr -2.072 -0.916 -0.089
0.10-0.33 Gyr -2.800 -1.303 -0.575
0.33-1.06 Gyr -3.059 -1.303 -0.590
1.06-3.44 Gyr -3.009 -1.233 -0.740
3.44-11.19 Gyr -2.774 -1.100 -0.663
11.19-12.43 Gyr -2.891 -1.114 -0.329

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.867 9.017 9.131
{\rm log}_{10}({\rm SFR}) -0.861 -0.546 -0.215
{\rm log}_{10}({\rm sSFR}) -9.940 -9.562 -9.160
{\rm stellar\ age} 2.403 4.727 6.172

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.022 -0.396 -0.033
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.259 0.058 0.247

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.181 0.370 0.594
\delta -0.511 -0.133 0.118
\tau_1/\tau_2 0.686 1.047 1.405
Q_{PAH} 1.038 2.463 4.385
U_{min} 2.701 7.840 14.783
{\rm log}_{10}(\gamma_e)\, -2.382 -1.251 -0.375

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.734 -1.832 -0.741
{\rm log}_{10}(\tau_{AGN})\, 1.104 1.489 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.796 -0.575 -0.391
0.03-0.10 Gyr -0.980 -0.539 -0.126
0.10-0.33 Gyr -0.711 -0.376 -0.052
0.33-1.06 Gyr -0.967 -0.546 -0.261
1.06-3.44 Gyr -1.324 -0.832 -0.585
3.44-11.19 Gyr -1.798 -1.061 -0.805
11.19-12.43 Gyr -2.020 -1.112 -0.611