2025afgu

Download data

Information

Transient

Name: AT2025afgu
Right ascension: 7h56m32.75s
Declination: 4d06m03.17s
Discovery Date: Oct. 26, 2025, noon
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name:
Right ascension: 7h56m32.62s
Declination: 4d06m03.10s
Redshift: None
Photometric Redshift: 0.064
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.34
Transient MWEBV processed 0.11
Host match processed 5.64
Host information processed 0.17
Host MWEBV processed 0.08
Global aperture construction processed 0.68
Global aperture photometry processed 5.67
Validate global photometry processed 13.19
Global host SED inference processed 538.44
Local aperture photometry processed 5.77
Validate local photometry processed 0.03
Local host SED inference processed 485.98
 

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) = 7h56m32.75s, 4d06m03.17s
semi major axis, semi minor axis (arcsec) = 1.62, 1.62
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 25.49 1.64 20.384 0.070 AB
SDSS_g 146.06 3.19 18.489 0.024 AB
DES_g 157.95 0.91 18.404 0.006 AB
PanSTARRS_g 152.61 0.47 18.441 0.003 AB
SDSS_r 346.58 4.88 17.550 0.015 AB
PanSTARRS_r 313.52 0.56 17.659 0.002 AB
DES_r 375.36 2.17 17.464 0.006 AB
SDSS_i 493.52 5.87 17.167 0.013 AB
PanSTARRS_i 445.86 0.71 17.277 0.002 AB
PanSTARRS_z 543.84 1.37 17.061 0.003 AB
SDSS_z 656.21 7.93 16.857 0.013 AB
DES_z 665.19 3.79 16.843 0.006 AB
PanSTARRS_y 658.33 2.86 16.854 0.005 AB

Aperture details

RA, DEC (J2000) = 7h56m32.62s, 4d06m03.26s
semi major axis, semi minor axis (arcsec) = 8.42, 6.75
angle (degrees, anti-clockwise from east) = -82.41

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 792.22 2.13 16.653 0.003 AB
PanSTARRS_g 826.63 1.79 16.607 0.002 AB
PanSTARRS_r 1708.2 2.14 15.819 0.001 AB
DES_r 1790.8 4.94 15.767 0.003 AB
PanSTARRS_i 2440.39 2.83 15.431 0.001 AB
PanSTARRS_z 2959.53 5.78 15.222 0.002 AB
DES_z 3219.53 8.51 15.131 0.003 AB
PanSTARRS_y 3681.74 12.94 14.985 0.004 AB
2MASS_J 4446.76 207.02 13.885 0.051 Vega
2MASS_H 5704.99 342.07 13.142 0.065 Vega
2MASS_K 5298.38 349.05 12.752 0.072 Vega
WISE_W1 1984.64 33.76 12.957 0.018 Vega
WISE_W2 1130.89 39.14 12.927 0.038 Vega
WISE_W3 316.78 106.53 12.474 0.365 Vega
WISE_W4 -30.54 476.51 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

Click the image to load the interactive plot.


Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.893 10.026 10.141
{\rm log}_{10}({\rm SFR}) -1.280 -0.576 0.083
{\rm log}_{10}({\rm sSFR}) -11.398 -10.585 -9.832
{\rm stellar\ age} 5.332 7.155 9.176

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.215 -0.744 -0.446
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.064 0.195 0.393

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.394 0.655 0.994
\delta -0.867 -0.610 -0.286
\tau_1/\tau_2 0.664 0.986 1.346
Q_{PAH} 1.393 3.358 5.367
U_{min} 2.686 7.618 14.157
{\rm log}_{10}(\gamma_e)\, -3.243 -2.156 -0.782

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.054 -2.365 -0.866
{\rm log}_{10}(\tau_{AGN})\, 0.915 1.414 1.883

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.041 -0.459 -0.058
0.03-0.10 Gyr -1.758 -0.655 0.114
0.10-0.33 Gyr -1.767 -0.540 0.203
0.33-1.08 Gyr -1.485 -0.293 0.209
1.08-3.54 Gyr -0.885 0.000 0.272
3.54-11.61 Gyr -0.359 0.083 0.290
11.61-12.91 Gyr -0.423 0.191 0.920

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.763 10.831 10.952
{\rm log}_{10}({\rm SFR}) -4.916 -1.475 -0.114
{\rm log}_{10}({\rm sSFR}) -15.417 -12.195 -10.837
{\rm stellar\ age} 7.475 8.755 12.211

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.362 -1.043 -0.823
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.108 -0.141 0.291

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.341 0.465 0.622
\delta -0.915 -0.730 -0.514
\tau_1/\tau_2 0.447 0.896 1.381
Q_{PAH} 0.548 1.857 4.127
U_{min} 3.303 9.791 17.634
{\rm log}_{10}(\gamma_e)\, -2.947 -1.726 -0.608

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.560 -3.765 -2.766
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.581 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.941 -1.839 -0.245
0.03-0.10 Gyr -5.820 -1.778 -0.063
0.10-0.33 Gyr -5.911 -2.164 0.003
0.33-1.08 Gyr -5.367 -1.829 -0.011
1.08-3.54 Gyr -3.526 -1.085 0.574
3.54-11.61 Gyr -1.160 0.848 1.122
11.61-12.91 Gyr -0.209 1.446 2.096