2025afhu results

Information

Transient
Name:AT2025afhu
Right ascension: 8h02m18.53s
Declination:32d35m56.40s
Discovery Date:Nov. 28, 2025, 8:25 p.m.
Classification:None
Redshift:None
MW E(B-V):0.050
Host
Name:2004349
Right ascension: 8h02m18.22s
Declination:32d36m07.89s
Redshift:0.038692
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.6
Transient MWEBV processed 0.06
Host match processed 3.83
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 6.48
Validate global photometry processed 17.7
Global host SED inference processed 418.88
Local aperture photometry processed 6.34
Validate local photometry processed 0.03
Local host SED inference processed 406.37
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h02m18.53s, 32d35m56.40s
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
SDSS_u 18.27 1.81 20.746 0.107 AB
SDSS_g 72.12 2.39 19.255 0.036 AB
DES_g 71.48 0.72 19.265 0.011 AB
PanSTARRS_g 74.69 0.75 19.217 0.011 AB
SDSS_r 130.53 3.2 18.611 0.027 AB
PanSTARRS_r 129.98 1.05 18.615 0.009 AB
DES_r 141.48 15.53 18.523 0.119 AB
SDSS_i 183.02 3.95 18.244 0.023 AB
PanSTARRS_i 168.26 1.18 18.335 0.008 AB
PanSTARRS_z 199.73 2.05 18.149 0.011 AB
SDSS_z 228.55 7.48 18.003 0.036 AB
DES_z 220.78 2.9 18.040 0.014 AB
PanSTARRS_y 258.2 4.84 17.870 0.020 AB

Aperture details

RA, DEC (J2000):8h02m18.25s, 32d36m07.83s
semi major axis, semi minor axis (arcsec):21.94, 9.63
angle (degrees, anti-clockwise from east):-19.59
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 62.29 2.16 19.414 0.038 AB
GALEX_NUV 99.88 1.82 18.901 0.020 AB
SDSS_u 492.86 10.03 17.168 0.022 AB
SDSS_g 2351.1 13.62 15.472 0.006 AB
DES_g 2396.63 3.99 15.451 0.002 AB
PanSTARRS_g 2590.82 4.51 15.366 0.002 AB
SDSS_r 4932.2 19.36 14.667 0.004 AB
PanSTARRS_r 5038.27 6.15 14.644 0.001 AB
DES_r 5328.97 54.69 14.583 0.011 AB
SDSS_i 7222.06 24.19 14.253 0.004 AB
PanSTARRS_i 7209.18 6.63 14.255 0.001 AB
PanSTARRS_z 8996.06 11.41 14.015 0.001 AB
SDSS_z 9687.02 43.79 13.935 0.005 AB
DES_z 9325.68 18.61 13.976 0.002 AB
PanSTARRS_y 11298.47 26.89 13.767 0.003 AB
2MASS_J 14174.78 342.74 12.626 0.026 Vega
2MASS_H 18322.61 507.46 11.875 0.030 Vega
2MASS_K 15327.94 507.59 11.598 0.036 Vega
WISE_W2 4377.1 66.22 11.458 0.016 Vega
WISE_W3 9629.96 200.76 8.767 0.023 Vega
WISE_W4 7226.32 1169.12 7.633 0.176 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.945 9.110 9.269
{\rm log}_{10}({\rm SFR}) -1.418 -0.844 -0.429
{\rm log}_{10}({\rm sSFR}) -10.604 -10.016 -9.504
{\rm stellar\ age} 4.798 7.004 8.502

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.492 -0.848 -0.379
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.690 -0.054 0.276

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.383 0.767 1.110
\delta -0.567 -0.189 0.102
\tau_1/\tau_2 0.669 1.002 1.331
Q_{PAH} 0.546 1.914 4.050
U_{min} 2.414 7.532 14.232
{\rm log}_{10}(\gamma_e)\, -3.528 -2.585 -1.302

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.813 -1.839 -0.513
{\rm log}_{10}(\tau_{AGN})\, 0.987 1.430 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.387 -0.762 -0.363
0.03-0.10 Gyr -1.926 -0.988 -0.452
0.10-0.33 Gyr -1.872 -1.082 -0.541
0.33-1.09 Gyr -1.718 -1.046 -0.611
1.09-3.61 Gyr -1.534 -0.918 -0.635
3.61-11.91 Gyr -1.337 -0.830 -0.617
11.91-13.24 Gyr -1.497 -0.793 -0.194

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.903 10.964 11.022
{\rm log}_{10}({\rm SFR}) -0.249 0.007 0.212
{\rm log}_{10}({\rm sSFR}) -11.222 -10.947 -10.743
{\rm stellar\ age} 7.369 7.999 9.663

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.947 -0.738 -0.587
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.613 -0.100 0.311

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.628 0.760 0.897
\delta 0.123 0.222 0.301
\tau_1/\tau_2 0.241 0.599 0.986
Q_{PAH} 0.744 1.250 1.801
U_{min} 2.436 6.652 12.535
{\rm log}_{10}(\gamma_e)\, -3.681 -3.164 -2.581

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.726 -4.261 -3.524
{\rm log}_{10}(\tau_{AGN})\, 1.064 1.586 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.113 0.146 0.357
0.03-0.10 Gyr -0.745 -0.104 0.207
0.10-0.33 Gyr -0.606 -0.025 0.319
0.33-1.09 Gyr -0.755 0.005 0.393
1.09-3.61 Gyr -0.263 0.513 0.913
3.61-11.91 Gyr 0.904 1.139 1.246
11.91-13.24 Gyr 0.517 1.196 1.786