2025afgb

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Information

Transient

Name: AT2025afgb
Right ascension: 7h36m47.30s
Declination: 53d36m42.52s
Discovery Date: Nov. 29, 2025, 1:40 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.049

Host

Name:
Right ascension: 7h36m47.40s
Declination: 53d36m42.46s
Redshift: None
Photometric Redshift: 0.044
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.02
Transient MWEBV processed 0.1
Host match processed 5.53
Host information processed 0.17
Host MWEBV processed 0.12
Global aperture construction processed 0.65
Global aperture photometry processed 3.96
Validate global photometry processed 10.99
Global host SED inference processed 398.01
Local aperture photometry processed 3.99
Validate local photometry processed 0.02
Local host SED inference processed 503.83
 

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) = 7h36m47.30s, 53d36m42.52s
semi major axis, semi minor axis (arcsec) = 2.3, 2.3
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 292.74 0.61 17.734 0.002 AB
PanSTARRS_r 487.29 1.0 17.181 0.002 AB
PanSTARRS_i 605.13 0.82 16.945 0.001 AB
PanSTARRS_z 662.06 1.82 16.848 0.003 AB
PanSTARRS_y 813.77 4.16 16.624 0.006 AB

Aperture details

RA, DEC (J2000) = 7h36m47.38s, 53d36m42.79s
semi major axis, semi minor axis (arcsec) = 6.24, 6.06
angle (degrees, anti-clockwise from east) = -14.55

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 59.43 7.66 19.465 0.140 AB
GALEX_NUV 76.7 5.13 19.188 0.073 AB
PanSTARRS_g 584.46 1.43 16.983 0.003 AB
PanSTARRS_r 942.14 2.44 16.465 0.003 AB
PanSTARRS_i 1145.67 2.07 16.252 0.002 AB
PanSTARRS_z 1228.93 4.67 16.176 0.004 AB
PanSTARRS_y 1518.81 10.95 15.946 0.008 AB
2MASS_J 1523.26 164.78 15.048 0.117 Vega
2MASS_H 2035.54 265.75 14.261 0.142 Vega
2MASS_K 1757.09 271.78 13.950 0.168 Vega
WISE_W3 2945.76 86.96 10.053 0.032 Vega
WISE_W4 3062.46 761.95 8.565 0.270 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})\, 9.596 9.721 9.859
{\rm log}_{10}({\rm SFR}) -0.602 -0.117 0.311
{\rm log}_{10}({\rm sSFR}) -10.373 -9.823 -9.360
{\rm stellar\ age} 4.878 6.958 8.865

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.656 -1.127 -0.655
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.686 0.114 0.374

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.255 0.621 1.023
\delta -0.550 -0.055 0.229
\tau_1/\tau_2 0.698 1.054 1.405
Q_{PAH} 0.369 1.585 3.788
U_{min} 2.525 7.642 14.693
{\rm log}_{10}(\gamma_e)\, -3.436 -2.189 -1.015

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.978 -1.359 -0.509
{\rm log}_{10}(\tau_{AGN})\, 0.977 1.402 1.817

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.786 -0.296 0.092
0.03-0.10 Gyr -0.745 -0.086 0.400
0.10-0.33 Gyr -0.941 -0.190 0.311
0.33-1.09 Gyr -1.279 -0.419 0.010
1.09-3.59 Gyr -1.088 -0.354 -0.025
3.59-11.85 Gyr -0.772 -0.254 -0.031
11.85-13.16 Gyr -0.857 -0.134 0.518

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.811 9.917 10.025
{\rm log}_{10}({\rm SFR}) -0.390 -0.157 0.098
{\rm log}_{10}({\rm sSFR}) -10.346 -10.088 -9.800
{\rm stellar\ age} 4.215 6.569 8.017

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.105 -0.777 -0.525
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.175 0.207 0.369

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.139 0.340 0.688
\delta -0.450 0.077 0.324
\tau_1/\tau_2 0.503 0.846 1.175
Q_{PAH} 0.425 1.226 2.633
U_{min} 2.769 7.012 13.595
{\rm log}_{10}(\gamma_e)\, -3.287 -2.498 -1.646

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.598 -1.870 -1.246
{\rm log}_{10}(\tau_{AGN})\, 0.907 1.190 1.627

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.333 -0.124 0.165
0.03-0.10 Gyr -0.551 -0.197 0.107
0.10-0.33 Gyr -0.546 -0.164 0.163
0.33-1.09 Gyr -0.506 -0.041 0.443
1.09-3.59 Gyr -0.374 0.008 0.258
3.59-11.85 Gyr -0.454 -0.024 0.176
11.85-13.16 Gyr -0.765 -0.055 0.460