2025afga

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Information

Transient

Name: AT2025afga
Right ascension: 18h02m03.23s
Declination: 47d01m04.17s
Discovery Date: Nov. 29, 2025, 7:22 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name:
Right ascension: 18h02m03.20s
Declination: 47d01m04.82s
Redshift: None
Photometric Redshift: 0.061
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.25
Transient MWEBV processed 0.05
Host match processed 5.45
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.48
Validate global photometry processed 16.38
Global host SED inference processed 376.75
Local aperture photometry processed 5.83
Validate local photometry processed 0.02
Local host SED inference processed 451.08
 

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) = 18h02m03.23s, 47d01m04.17s
semi major axis, semi minor axis (arcsec) = 1.69, 1.69
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 49.79 2.13 19.657 0.047 AB
SDSS_g 141.93 3.13 18.520 0.024 AB
PanSTARRS_g 144.27 0.52 18.502 0.004 AB
SDSS_r 206.35 3.79 18.113 0.020 AB
PanSTARRS_r 224.85 0.59 18.020 0.003 AB
SDSS_i 290.22 4.6 17.743 0.017 AB
PanSTARRS_i 308.81 0.55 17.676 0.002 AB
PanSTARRS_z 310.85 1.28 17.669 0.004 AB
SDSS_z 324.32 6.61 17.623 0.022 AB
DES_z 399.27 2.81 17.397 0.008 AB
PanSTARRS_y 378.78 2.78 17.454 0.008 AB

Aperture details

RA, DEC (J2000) = 18h02m03.19s, 47d01m05.00s
semi major axis, semi minor axis (arcsec) = 4.59, 3.72
angle (degrees, anti-clockwise from east) = -120.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 25.67 4.18 20.376 0.177 AB
GALEX_NUV 37.43 3.03 19.967 0.088 AB
SDSS_u 95.03 3.78 18.955 0.043 AB
SDSS_g 255.82 4.31 17.880 0.018 AB
PanSTARRS_g 266.76 1.13 17.835 0.005 AB
SDSS_r 377.44 5.31 17.458 0.015 AB
PanSTARRS_r 391.57 1.27 17.418 0.004 AB
SDSS_i 500.76 6.59 17.151 0.014 AB
PanSTARRS_i 537.08 1.23 17.075 0.002 AB
PanSTARRS_z 567.39 2.96 17.015 0.006 AB
SDSS_z 554.07 13.02 17.041 0.026 AB
DES_z 601.06 3.57 16.953 0.006 AB
PanSTARRS_y 660.81 6.58 16.850 0.011 AB
2MASS_J 741.76 89.59 15.829 0.131 Vega
2MASS_H 753.25 127.73 15.340 0.184 Vega
2MASS_K 526.53 158.83 15.259 0.327 Vega
WISE_W1 376.61 10.79 14.761 0.031 Vega
WISE_W2 256.91 14.51 14.537 0.061 Vega
WISE_W3 1270.77 45.58 10.966 0.039 Vega
WISE_W4 1423.09 322.26 9.397 0.246 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})\, 9.519 9.643 9.776
{\rm log}_{10}({\rm SFR}) -0.651 -0.193 0.225
{\rm log}_{10}({\rm sSFR}) -10.335 -9.846 -9.364
{\rm stellar\ age} 3.758 6.296 7.785

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.282 -0.650 -0.195
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.230 0.080 0.308

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.176 0.555 1.051
\delta -0.604 0.008 0.285
\tau_1/\tau_2 0.673 0.988 1.335
Q_{PAH} 0.528 1.713 4.048
U_{min} 2.601 7.607 14.537
{\rm log}_{10}(\gamma_e)\, -3.354 -2.266 -1.250

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.064 -1.808 -0.737
{\rm log}_{10}(\tau_{AGN})\, 0.929 1.355 1.811

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.575 -0.291 0.034
0.03-0.10 Gyr -0.792 -0.164 0.299
0.10-0.33 Gyr -0.794 -0.216 0.306
0.33-1.08 Gyr -0.800 -0.274 0.141
1.08-3.54 Gyr -0.729 -0.292 -0.008
3.54-11.64 Gyr -0.827 -0.329 -0.104
11.64-12.94 Gyr -1.071 -0.324 0.212

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.715 9.781 9.858
{\rm log}_{10}({\rm SFR}) -0.260 -0.005 0.238
{\rm log}_{10}({\rm sSFR}) -10.054 -9.795 -9.531
{\rm stellar\ age} 5.398 6.452 7.400

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.914 -0.593 -0.401
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.050 0.231 0.373

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.143 0.267 0.463
\delta -0.709 -0.344 -0.052
\tau_1/\tau_2 0.742 1.035 1.331
Q_{PAH} 0.697 1.798 3.562
U_{min} 2.393 6.918 13.858
{\rm log}_{10}(\gamma_e)\, -3.045 -1.950 -1.320

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.627 -2.238 -1.671
{\rm log}_{10}(\tau_{AGN})\, 0.998 1.418 1.862

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.509 -0.367 -0.245
0.03-0.10 Gyr -0.221 0.097 0.368
0.10-0.33 Gyr -0.128 0.101 0.337
0.33-1.08 Gyr -0.393 -0.115 0.085
1.08-3.54 Gyr -0.386 -0.142 0.043
3.54-11.64 Gyr -0.320 -0.138 -0.004
11.64-12.94 Gyr -0.546 -0.106 0.281