2025afek

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Information

Transient

Name: AT2025afek
Right ascension: 2h36m44.78s
Declination: -3d04m25.39s
Discovery Date: Nov. 24, 2025, 7:34 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name: 1076970
Right ascension: 2h36m44.77s
Declination: -3d04m25.49s
Redshift: 0.084255
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.95
Transient MWEBV processed 0.04
Host match processed 3.88
Host information processed 0.18
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.99
Validate global photometry processed 19.37
Global host SED inference processed 474.92
Local aperture photometry processed 6.95
Validate local photometry processed 0.03
Local host SED inference processed 493.0
 

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) = 2h36m44.78s, -3d04m25.39s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
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 182.53 0.5 18.247 0.003 AB
PanSTARRS_r 384.37 0.52 17.438 0.001 AB
DES_r 467.86 0.81 17.225 0.002 AB
SDSS_i 615.33 6.52 16.927 0.012 AB
PanSTARRS_i 577.76 0.57 16.996 0.001 AB
PanSTARRS_z 792.4 1.15 16.653 0.002 AB
DES_z 879.41 3.98 16.540 0.005 AB
PanSTARRS_y 824.55 3.17 16.609 0.004 AB

Aperture details

RA, DEC (J2000) = 2h36m44.76s, -3d04m25.08s
semi major axis, semi minor axis (arcsec) = 9.47, 8.53
angle (degrees, anti-clockwise from east) = -82.85

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.57 1.57 22.874 0.664 AB
GALEX_NUV 11.23 3.06 21.274 0.296 AB
SDSS_u 193.23 7.5 18.185 0.042 AB
SDSS_g 762.9 7.9 16.694 0.011 AB
DES_g 848.74 1.19 16.578 0.002 AB
PanSTARRS_g 887.18 2.53 16.530 0.003 AB
SDSS_r 1761.42 11.92 15.785 0.007 AB
PanSTARRS_r 1790.03 2.6 15.768 0.002 AB
DES_r 1923.45 1.75 15.690 0.001 AB
SDSS_i 2463.65 14.92 15.421 0.007 AB
PanSTARRS_i 2572.67 3.01 15.374 0.001 AB
PanSTARRS_z 3223.74 6.74 15.129 0.002 AB
SDSS_z 3439.05 32.14 15.059 0.010 AB
DES_z 3390.88 8.15 15.074 0.003 AB
PanSTARRS_y 3844.94 21.95 14.938 0.006 AB
2MASS_J 4591.54 192.73 13.850 0.046 Vega
2MASS_H 5238.03 260.22 13.234 0.054 Vega
2MASS_K 5883.42 365.73 12.638 0.067 Vega
WISE_W1 2234.89 29.26 12.828 0.014 Vega
WISE_W2 1294.52 30.54 12.781 0.026 Vega
WISE_W3 265.89 79.4 12.664 0.324 Vega
WISE_W4 260.11 364.8 11.242 1.523 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})\, 10.365 10.480 10.610
{\rm log}_{10}({\rm SFR}) -4.157 -1.273 -0.079
{\rm log}_{10}({\rm sSFR}) -14.804 -11.773 -10.557
{\rm stellar\ age} 6.386 7.735 11.486

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.331 -0.785 -0.536
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.702 -0.930 0.022

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.336 0.567 0.877
\delta -0.843 -0.613 -0.222
\tau_1/\tau_2 0.616 1.030 1.445
Q_{PAH} 0.996 2.950 5.487
U_{min} 3.443 9.118 16.921
{\rm log}_{10}(\gamma_e)\, -3.076 -1.565 -0.583

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.828 -1.708 -0.709
{\rm log}_{10}(\tau_{AGN})\, 1.164 1.606 1.996

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.931 -1.866 -0.779
0.03-0.10 Gyr -4.752 -1.341 0.033
0.10-0.33 Gyr -3.942 -1.098 0.219
0.33-1.07 Gyr -3.618 -1.091 0.107
1.07-3.49 Gyr -2.678 -0.317 0.557
3.49-11.38 Gyr -0.889 0.530 0.777
11.38-12.65 Gyr -0.458 0.804 1.711

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.101 11.210 11.266
{\rm log}_{10}({\rm SFR}) -5.574 -2.205 -0.953
{\rm log}_{10}({\rm sSFR}) -16.711 -13.329 -12.099
{\rm stellar\ age} 7.761 11.694 12.010

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.933 -0.731 -0.566
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.509 -0.620 0.130

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.128 0.227 0.357
\delta -0.447 -0.120 0.101
\tau_1/\tau_2 0.510 0.973 1.449
Q_{PAH} 0.463 1.415 2.694
U_{min} 4.215 10.583 18.591
{\rm log}_{10}(\gamma_e)\, -2.225 -1.237 -0.518

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.429 -3.554 -2.609
{\rm log}_{10}(\tau_{AGN})\, 1.099 1.595 1.956

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.077 -3.456 -1.495
0.03-0.10 Gyr -6.261 -2.293 -0.855
0.10-0.33 Gyr -6.377 -3.196 -1.150
0.33-1.07 Gyr -6.211 -3.438 -1.190
1.07-3.49 Gyr -3.897 -1.944 -0.338
3.49-11.38 Gyr -1.595 0.325 1.394
11.38-12.65 Gyr 1.147 2.341 2.413