2025alep results

Information

Transient
Name:AT2025alep
Right ascension: 3h29m46.87s
Declination:-17d22m09.89s
Discovery Date:Dec. 28, 2025, 7:43 a.m.
Classification:None
Redshift:None
MW E(B-V):0.032
Host
Name:
Right ascension: 3h29m46.88s
Declination:-17d22m10.20s
Redshift:None
Photometric Redshift:0.098
 

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
DES_g
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.99
Transient MWEBV processed 0.08
Host match processed 6.37
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 4.66
Validate global photometry processed 12.35
Global host SED inference processed 394.69
Local aperture photometry processed 4.67
Validate local photometry processed 0.02
Local host SED inference processed 453.92
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):3h29m46.87s, -17d22m09.89s
semi major axis, semi minor axis (arcsec):1.1, 1.1
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 24.48 0.19 20.428 0.008 AB
PanSTARRS_z 34.82 0.79 20.045 0.025 AB
DES_z 39.7 0.94 19.903 0.026 AB
PanSTARRS_y 37.79 2.15 19.957 0.062 AB

Aperture details

RA, DEC (J2000):3h29m46.86s, -17d22m10.10s
semi major axis, semi minor axis (arcsec):3.65, 2.34
angle (degrees, anti-clockwise from east):-160.17
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.13 0.25 26.142 2.131 AB
GALEX_NUV 1.17 0.26 23.727 0.243 AB
PanSTARRS_g 24.75 0.8 20.416 0.035 AB
PanSTARRS_r 36.81 0.95 19.985 0.028 AB
PanSTARRS_i 57.71 0.94 19.497 0.018 AB
PanSTARRS_z 72.77 1.99 19.245 0.030 AB
DES_z 71.84 1.36 19.259 0.021 AB
PanSTARRS_y 87.49 5.41 19.045 0.067 AB
2MASS_J 85.94 83.41 18.170 1.054 Vega
2MASS_H 90.79 138.95 17.637 1.662 Vega
2MASS_K 286.11 152.98 15.921 0.580 Vega
WISE_W1 63.74 7.7 16.690 0.131 Vega
WISE_W2 55.63 10.89 16.198 0.212 Vega
WISE_W3 61.46 54.89 14.254 0.970 Vega
WISE_W4 535.37 403.62 10.458 0.819 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.894 9.100 9.267
{\rm log}_{10}({\rm SFR}) -1.421 -0.809 -0.167
{\rm log}_{10}({\rm sSFR}) -10.616 -9.954 -9.227
{\rm stellar\ age} 3.236 6.117 7.777

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.326 -0.663 -0.179
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.304 -0.577 0.153

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.230 0.600 1.032
\delta -0.499 -0.118 0.185
\tau_1/\tau_2 0.581 0.941 1.334
Q_{PAH} 0.731 2.331 4.920
U_{min} 3.068 7.931 14.916
{\rm log}_{10}(\gamma_e)\, -2.838 -1.556 -0.481

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.987 -0.482 0.081
{\rm log}_{10}(\tau_{AGN})\, 1.146 1.508 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.602 -0.891 -0.360
0.03-0.10 Gyr -1.788 -0.893 -0.105
0.10-0.33 Gyr -1.973 -1.008 -0.375
0.33-1.06 Gyr -2.050 -0.966 -0.424
1.06-3.45 Gyr -2.077 -0.899 -0.603
3.45-11.23 Gyr -1.788 -0.875 -0.586
11.23-12.48 Gyr -1.814 -0.880 -0.235

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.125 9.316 9.452
{\rm log}_{10}({\rm SFR}) -0.932 -0.424 0.113
{\rm log}_{10}({\rm sSFR}) -10.356 -9.778 -9.117
{\rm stellar\ age} 2.355 5.318 6.802

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.011 -0.529 -0.179
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.486 -0.792 -0.130

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.495 0.733 1.007
\delta -0.627 -0.386 -0.147
\tau_1/\tau_2 0.629 0.951 1.267
Q_{PAH} 0.806 2.070 3.946
U_{min} 2.505 7.777 15.179
{\rm log}_{10}(\gamma_e)\, -2.831 -1.917 -1.019

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.975 -2.465 -1.292
{\rm log}_{10}(\tau_{AGN})\, 1.001 1.433 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.078 -0.676 -0.427
0.03-0.10 Gyr -1.014 -0.352 0.243
0.10-0.33 Gyr -0.778 -0.252 0.200
0.33-1.06 Gyr -1.031 -0.452 -0.087
1.06-3.45 Gyr -1.244 -0.614 -0.337
3.45-11.23 Gyr -1.611 -0.706 -0.445
11.23-12.48 Gyr -1.794 -0.742 -0.209