2025afxc

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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:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
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
 

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) = 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
 

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})\, 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