2025afxc results

Information

Transient
Name:AT2025afxc
Right ascension: 23h48m49.68s
Declination:17d32m49.98s
Discovery Date:Dec. 2, 2025, 8:14 p.m.
Classification:None
Redshift:None
MW E(B-V):0.048
Host
Name:
Right ascension: 23h48m49.61s
Declination:17d32m56.54s
Redshift:0.087133
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 20.18
Transient MWEBV processed 0.07
Host match processed 5.57
Host information processed 0.06
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.56
Validate global photometry processed 17.68
Global host SED inference processed 1010.62
Local aperture photometry processed 6.87
Validate local photometry processed 0.03
Local host SED inference processed 432.41
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h48m49.68s, 17d32m49.98s
semi major axis, semi minor axis (arcsec):1.23, 1.23
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 1.84 0.09 23.236 0.052 AB
PanSTARRS_r 4.05 0.34 22.382 0.090 AB
DES_r 4.19 0.17 22.345 0.043 AB
PanSTARRS_i 5.2 0.46 22.109 0.095 AB
PanSTARRS_z 4.79 0.88 22.199 0.199 AB
DES_z 7.81 0.48 21.669 0.066 AB
PanSTARRS_y 10.35 1.7 21.362 0.178 AB

Aperture details

RA, DEC (J2000):23h48m49.60s, 17d32m56.82s
semi major axis, semi minor axis (arcsec):6.88, 6.39
angle (degrees, anti-clockwise from east):-90.44
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.85 0.87 23.234 0.509 AB
GALEX_NUV 6.48 1.44 21.871 0.241 AB
SDSS_u 101.38 7.68 18.885 0.082 AB
SDSS_g 309.75 5.03 17.672 0.018 AB
DES_g 348.33 0.87 17.545 0.003 AB
PanSTARRS_g 356.79 1.62 17.519 0.005 AB
SDSS_r 729.12 7.73 16.743 0.012 AB
PanSTARRS_r 755.68 1.88 16.704 0.003 AB
DES_r 835.2 1.74 16.596 0.002 AB
SDSS_i 1109.08 9.79 16.288 0.010 AB
PanSTARRS_i 1091.19 2.52 16.305 0.003 AB
PanSTARRS_z 1441.34 4.76 16.003 0.004 AB
SDSS_z 1514.46 25.67 15.949 0.018 AB
DES_z 1517.43 5.66 15.947 0.004 AB
PanSTARRS_y 1757.65 9.17 15.788 0.006 AB
2MASS_J 2139.29 140.41 14.679 0.071 Vega
2MASS_H 2687.43 178.11 13.959 0.072 Vega
2MASS_K 1935.07 287.26 13.845 0.161 Vega
WISE_W1 945.02 18.81 13.762 0.022 Vega
WISE_W2 573.51 22.16 13.665 0.042 Vega
WISE_W3 76.22 74.95 14.021 1.068 Vega
WISE_W4 -407.17 415.72 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.933 8.301 8.511
{\rm log}_{10}({\rm SFR}) -1.482 -0.950 -0.417
{\rm log}_{10}({\rm sSFR}) -9.935 -9.230 -8.339
{\rm stellar\ age} 0.548 4.160 6.646

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.424 -0.763 -0.182
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.091 -0.097 0.271

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.045 1.499 2.041
\delta -0.166 0.061 0.249
\tau_1/\tau_2 0.638 1.004 1.393
Q_{PAH} 1.178 3.095 5.439
U_{min} 3.105 8.274 15.863
{\rm log}_{10}(\gamma_e)\, -2.841 -1.754 -0.625

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.537 -0.881 0.077
{\rm log}_{10}(\tau_{AGN})\, 0.990 1.460 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.401 -0.841 -0.388
0.03-0.10 Gyr -1.976 -1.155 -0.425
0.10-0.33 Gyr -2.077 -1.234 -0.674
0.33-1.07 Gyr -3.243 -1.496 -1.042
1.07-3.48 Gyr -3.912 -1.742 -1.281
3.48-11.35 Gyr -4.514 -1.988 -1.423
11.35-12.61 Gyr -4.631 -2.067 -1.284

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.789 10.905 10.970
{\rm log}_{10}({\rm SFR}) -2.918 -0.530 1.021
{\rm log}_{10}({\rm sSFR}) -13.690 -11.271 -9.796
{\rm stellar\ age} 7.537 11.686 11.974

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.441 -1.109 -0.828
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.967 0.064 0.371

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.304 0.474 0.663
\delta -0.888 -0.507 -0.076
\tau_1/\tau_2 0.478 0.983 1.493
Q_{PAH} 0.390 1.211 2.875
U_{min} 3.836 10.845 18.551
{\rm log}_{10}(\gamma_e)\, -3.218 -1.999 -0.893

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.510 -3.565 -2.519
{\rm log}_{10}(\tau_{AGN})\, 1.163 1.648 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.236 -3.176 -1.448
0.03-0.10 Gyr -3.124 -0.396 1.183
0.10-0.33 Gyr -4.832 -2.397 -0.511
0.33-1.07 Gyr -6.841 -4.371 -1.693
1.07-3.48 Gyr -4.606 -2.837 -0.955
3.48-11.35 Gyr -2.003 -0.215 1.073
11.35-12.61 Gyr 0.653 2.033 2.122