2025afyi

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Information

Transient

Name: AT2025afyi
Right ascension: 1h25m32.12s
Declination: -8d04m47.11s
Discovery Date: Dec. 6, 2025, 4:14 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name:
Right ascension: 1h25m32.09s
Declination: -8d04m48.88s
Redshift: None
Photometric Redshift: 0.039
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.36
Transient MWEBV processed 0.04
Host match processed 6.48
Host information processed 0.2
Host MWEBV processed 0.06
Global aperture construction processed 0.68
Global aperture photometry processed 4.15
Validate global photometry processed 12.02
Global host SED inference processed 489.94
Local aperture photometry processed 4.34
Validate local photometry processed 0.02
Local host SED inference processed 446.71
 

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) = 1h25m32.12s, -8d04m47.11s
semi major axis, semi minor axis (arcsec) = 2.61, 2.61
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 30.69 0.62 20.183 0.022 AB
PanSTARRS_r 37.27 0.53 19.972 0.016 AB
PanSTARRS_i 40.44 0.78 19.883 0.021 AB
PanSTARRS_z 43.64 1.51 19.800 0.038 AB
PanSTARRS_y 58.42 5.41 19.484 0.101 AB

Aperture details

RA, DEC (J2000) = 1h25m32.08s, -8d04m48.66s
semi major axis, semi minor axis (arcsec) = 9.44, 3.43
angle (degrees, anti-clockwise from east) = -14.8

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.99 4.93 20.450 0.223 AB
GALEX_NUV 20.86 3.09 20.602 0.161 AB
PanSTARRS_g 69.52 1.33 19.295 0.021 AB
PanSTARRS_r 77.17 1.14 19.181 0.016 AB
PanSTARRS_i 82.69 1.68 19.106 0.022 AB
PanSTARRS_z 87.65 3.23 19.043 0.040 AB
PanSTARRS_y 116.75 11.58 18.732 0.108 AB
2MASS_J 187.88 141.47 17.320 0.818 Vega
2MASS_H -135.83 242.35 Vega
2MASS_K 275.29 276.75 15.963 1.091 Vega
WISE_W1 26.41 11.1 17.647 0.456 Vega
WISE_W2 19.69 16.0 17.325 0.882 Vega
WISE_W3 -135.16 86.35 Vega
WISE_W4 -535.01 475.09 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})\, 7.664 7.972 8.228
{\rm log}_{10}({\rm SFR}) -1.738 -0.937 -0.392
{\rm log}_{10}({\rm sSFR}) -9.844 -8.953 -7.953
{\rm stellar\ age} 0.172 2.543 6.490

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.495 -0.923 -0.194
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.128 -0.515 -0.015

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.530 0.961
\delta -0.523 -0.116 0.203
\tau_1/\tau_2 0.658 1.100 1.520
Q_{PAH} 1.274 3.217 5.465
U_{min} 3.249 8.691 16.826
{\rm log}_{10}(\gamma_e)\, -2.960 -1.855 -0.759

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.271 -1.144 -0.196
{\rm log}_{10}(\tau_{AGN})\, 0.897 1.379 1.906

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.125 -1.544 -1.119
0.03-0.10 Gyr -1.851 -0.835 -0.250
0.10-0.33 Gyr -2.962 -1.348 -0.640
0.33-1.09 Gyr -4.705 -2.004 -1.285
1.09-3.61 Gyr -5.961 -2.470 -1.664
3.61-11.92 Gyr -6.697 -2.776 -1.762
11.92-13.24 Gyr -6.751 -2.731 -1.632

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.931 8.330 8.543
{\rm log}_{10}({\rm SFR}) -0.794 -0.288 0.080
{\rm log}_{10}({\rm sSFR}) -9.281 -8.519 -7.945
{\rm stellar\ age} 0.111 1.648 6.059

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.682 -1.201 -0.525
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.730 -0.168 0.094

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.201 0.714 1.105
\delta 0.042 0.239 0.344
\tau_1/\tau_2 0.485 1.006 1.494
Q_{PAH} 1.044 2.865 5.072
U_{min} 3.295 9.223 17.200
{\rm log}_{10}(\gamma_e)\, -3.283 -1.969 -0.760

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.850 -2.204 -0.826
{\rm log}_{10}(\tau_{AGN})\, 0.993 1.437 1.852

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.692 -1.180 -0.830
0.03-0.10 Gyr -0.694 -0.142 0.234
0.10-0.33 Gyr -2.752 -0.973 -0.220
0.33-1.09 Gyr -4.610 -2.092 -1.170
1.09-3.61 Gyr -6.814 -2.636 -1.467
3.61-11.92 Gyr -7.320 -2.835 -1.535
11.92-13.24 Gyr -7.384 -2.663 -1.379