2025afhw

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Information

Transient

Name: AT2025afhw
Right ascension: 9h37m42.05s
Declination: 21d17m36.29s
Discovery Date: Nov. 30, 2025, 10:28 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.022

Host

Name: 27421
Right ascension: 9h37m42.00s
Declination: 21d17m32.64s
Redshift: None
Photometric Redshift: 0.035
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.65
Transient MWEBV processed 0.09
Host match processed 4.76
Host information processed 0.1
Host MWEBV processed 0.06
Global aperture construction processed 0.63
Global aperture photometry processed 6.49
Validate global photometry processed 15.65
Global host SED inference processed 407.33
Local aperture photometry processed 6.76
Validate local photometry processed 0.02
Local host SED inference processed 497.91
 

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) = 9h37m42.05s, 21d17m36.29s
semi major axis, semi minor axis (arcsec) = 2.88, 2.88
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 35.45 2.31 20.026 0.071 AB
SDSS_g 131.22 3.06 18.605 0.025 AB
DES_g 136.58 0.86 18.562 0.007 AB
PanSTARRS_g 130.57 0.84 18.610 0.007 AB
SDSS_r 232.74 4.15 17.983 0.019 AB
PanSTARRS_r 244.16 0.82 17.931 0.004 AB
DES_r 250.56 1.51 17.903 0.007 AB
SDSS_i 312.98 4.96 17.661 0.017 AB
PanSTARRS_i 309.1 1.05 17.675 0.004 AB
PanSTARRS_z 390.59 2.29 17.421 0.006 AB
SDSS_z 377.87 9.06 17.457 0.026 AB
DES_z 389.86 3.73 17.423 0.010 AB
PanSTARRS_y 419.3 5.39 17.344 0.014 AB
2MASS_H 514.73 90.78 15.753 0.191 Vega

Aperture details

RA, DEC (J2000) = 9h37m42.02s, 21d17m32.71s
semi major axis, semi minor axis (arcsec) = 22.44, 16.3
angle (degrees, anti-clockwise from east) = -103.73

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 149.66 3.18 18.462 0.023 AB
GALEX_NUV 218.82 2.37 18.050 0.012 AB
SDSS_u 410.7 13.15 17.366 0.035 AB
SDSS_g 1821.69 12.18 15.749 0.007 AB
PanSTARRS_g 1641.42 5.4 15.862 0.004 AB
SDSS_r 3047.41 16.65 15.190 0.006 AB
SDSS_i 3930.94 20.61 14.914 0.006 AB
PanSTARRS_i 3670.28 6.78 14.988 0.002 AB
PanSTARRS_z 4522.9 14.88 14.761 0.004 AB
SDSS_z 5042.81 53.66 14.643 0.012 AB
DES_z 4821.27 13.89 14.692 0.003 AB
PanSTARRS_y 4654.2 35.69 14.730 0.008 AB
WISE_W1 2869.44 42.15 12.557 0.016 Vega
WISE_W2 1707.61 48.87 12.480 0.031 Vega
WISE_W3 5341.14 238.02 9.407 0.048 Vega
WISE_W4 5340.42 1333.27 7.961 0.271 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})\, 9.241 9.356 9.479
{\rm log}_{10}({\rm SFR}) -1.788 -1.147 -0.556
{\rm log}_{10}({\rm sSFR}) -11.245 -10.551 -9.920
{\rm stellar\ age} 6.803 8.236 11.446

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.572 -1.012 -0.675
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.917 -1.675 -0.126

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.232 0.549 0.839
\delta -0.620 -0.270 0.115
\tau_1/\tau_2 0.675 1.044 1.402
Q_{PAH} 0.739 2.402 5.100
U_{min} 2.909 8.281 15.552
{\rm log}_{10}(\gamma_e)\, -3.122 -1.774 -0.658

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.331 -1.411 -0.525
{\rm log}_{10}(\tau_{AGN})\, 0.928 1.369 1.887

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.076 -1.307 -0.921
0.03-0.10 Gyr -1.953 -1.129 -0.441
0.10-0.33 Gyr -2.098 -1.210 -0.625
0.33-1.09 Gyr -2.345 -1.375 -0.796
1.09-3.62 Gyr -2.469 -1.187 -0.644
3.62-11.96 Gyr -1.299 -0.593 -0.405
11.96-13.29 Gyr -0.883 -0.245 0.508

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.371 10.438 10.517
{\rm log}_{10}({\rm SFR}) -0.273 0.020 0.333
{\rm log}_{10}({\rm sSFR}) -10.739 -10.427 -10.110
{\rm stellar\ age} 8.071 10.457 12.371

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.829 -0.676 -0.558
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.870 -1.614 -0.973

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.108 0.177 0.289
\delta -0.485 -0.166 0.077
\tau_1/\tau_2 0.605 1.068 1.521
Q_{PAH} 1.139 2.306 4.055
U_{min} 3.117 8.392 16.019
{\rm log}_{10}(\gamma_e)\, -2.471 -1.632 -0.949

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.822 -2.652 -1.754
{\rm log}_{10}(\tau_{AGN})\, 1.216 1.727 2.012

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.726 -0.251 0.026
0.03-0.10 Gyr -0.406 0.088 0.462
0.10-0.33 Gyr -1.728 -0.342 0.143
0.33-1.09 Gyr -2.649 -0.762 -0.197
1.09-3.62 Gyr -2.735 -0.886 -0.228
3.62-11.96 Gyr -0.859 0.328 0.625
11.96-13.29 Gyr 0.536 1.335 1.627