2025fej results

Information

Transient
Name:AT2025fej
Right ascension: 12h01m51.67s
Declination:18d21m39.57s
Discovery Date:March 21, 2025, 8:36 a.m.
Classification:None
Redshift:None
MW E(B-V):0.020
Host
Name:
Right ascension: 12h01m51.69s
Declination:18d21m39.88s
Redshift:None
Photometric Redshift:0.075
 

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 31.59
Transient MWEBV processed 0.05
Host match processed 6.07
Host information processed 0.17
Host MWEBV processed 0.05
Global aperture construction processed 0.68
Global aperture photometry processed 5.94
Validate global photometry processed 17.2
Global host SED inference processed 380.08
Local aperture photometry processed 6.78
Validate local photometry processed 0.03
Local host SED inference processed 471.98
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h01m51.67s, 18d21m39.57s
semi major axis, semi minor axis (arcsec):1.4, 1.4
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 42.17 0.32 19.837 0.008 AB
PanSTARRS_g 34.49 0.39 20.056 0.012 AB
SDSS_r 54.03 2.03 19.568 0.041 AB
PanSTARRS_r 51.54 0.52 19.620 0.011 AB
DES_r 66.42 0.79 19.344 0.013 AB
SDSS_i 68.6 2.45 19.309 0.039 AB
PanSTARRS_i 69.36 0.54 19.297 0.009 AB
PanSTARRS_z 68.32 1.14 19.314 0.018 AB
SDSS_z 76.07 5.06 19.197 0.072 AB
DES_z 95.13 2.06 18.954 0.023 AB
PanSTARRS_y 74.29 1.96 19.223 0.029 AB

Aperture details

RA, DEC (J2000):12h01m51.69s, 18d21m40.19s
semi major axis, semi minor axis (arcsec):5.08, 3.88
angle (degrees, anti-clockwise from east):-166.98
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.37 0.75 21.732 0.111 AB
GALEX_NUV 11.68 0.43 21.232 0.040 AB
SDSS_u 7.26 4.48 21.748 0.670 AB
SDSS_g 82.89 2.75 19.104 0.036 AB
DES_g 87.75 0.55 19.042 0.007 AB
PanSTARRS_g 88.12 1.21 19.037 0.015 AB
SDSS_r 125.62 3.67 18.652 0.032 AB
PanSTARRS_r 127.42 1.57 18.637 0.013 AB
DES_r 141.99 1.28 18.519 0.010 AB
SDSS_i 157.13 4.97 18.409 0.034 AB
PanSTARRS_i 167.14 1.66 18.342 0.011 AB
PanSTARRS_z 138.88 3.5 18.543 0.027 AB
SDSS_z 219.2 14.94 18.048 0.074 AB
DES_z 193.31 3.28 18.184 0.018 AB
PanSTARRS_y 198.91 6.07 18.153 0.033 AB
2MASS_J 165.92 153.29 17.455 1.003 Vega
2MASS_H 310.52 223.61 16.302 0.782 Vega
2MASS_K -225.7 241.73 Vega
WISE_W1 116.47 9.82 16.035 0.092 Vega
WISE_W2 54.15 12.49 16.227 0.250 Vega
WISE_W3 83.92 70.32 13.916 0.910 Vega
WISE_W4 355.78 463.33 10.902 1.414 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.805 8.992 9.131
{\rm log}_{10}({\rm SFR}) -1.092 -0.632 -0.079
{\rm log}_{10}({\rm sSFR}) -10.125 -9.622 -8.957
{\rm stellar\ age} 2.001 4.810 6.532

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.354 -0.504 -0.003
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.718 -0.298 0.241

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.161 0.441 0.814
\delta -0.754 -0.353 0.101
\tau_1/\tau_2 0.704 1.034 1.352
Q_{PAH} 0.982 2.730 5.525
U_{min} 3.292 8.061 14.777
{\rm log}_{10}(\gamma_e)\, -2.832 -1.710 -0.542

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.019 -1.004 -0.376
{\rm log}_{10}(\tau_{AGN})\, 0.912 1.395 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.029 -0.709 -0.450
0.03-0.10 Gyr -1.231 -0.608 0.026
0.10-0.33 Gyr -1.104 -0.549 -0.094
0.33-1.07 Gyr -1.187 -0.618 -0.250
1.07-3.51 Gyr -1.559 -0.873 -0.614
3.51-11.49 Gyr -1.983 -1.111 -0.799
11.49-12.76 Gyr -2.026 -1.159 -0.620

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.145 9.264 9.391
{\rm log}_{10}({\rm SFR}) -0.607 -0.352 -0.112
{\rm log}_{10}({\rm sSFR}) -9.962 -9.653 -9.289
{\rm stellar\ age} 2.247 4.475 6.012

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.194 -0.534 -0.095
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.027 0.092 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.225 0.344 0.507
\delta -0.679 -0.412 -0.183
\tau_1/\tau_2 0.790 1.105 1.442
Q_{PAH} 0.891 1.922 3.295
U_{min} 2.683 7.285 13.417
{\rm log}_{10}(\gamma_e)\, -3.209 -2.452 -1.399

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.314 -3.284 -2.129
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.468 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.442 -0.262 -0.109
0.03-0.10 Gyr -0.838 -0.401 -0.073
0.10-0.33 Gyr -0.482 -0.155 0.122
0.33-1.07 Gyr -0.472 -0.163 0.077
1.07-3.51 Gyr -0.950 -0.544 -0.283
3.51-11.49 Gyr -1.617 -0.867 -0.565
11.49-12.76 Gyr -1.835 -0.932 -0.403