2025ugu results

Information

Transient
Name:AT2025ugu
Right ascension: 22h28m19.38s
Declination:29d51m07.91s
Discovery Date:Aug. 15, 2025, 6:23 a.m.
Classification:None
Redshift:None
MW E(B-V):0.058
Host
Name:
Right ascension: 22h28m19.72s
Declination:29d51m10.63s
Redshift:0.066053
Photometric Redshift:0.056
 

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 36.19
Transient MWEBV processed 0.09
Host match processed 6.22
Host information processed 0.15
Host MWEBV processed 0.07
Global aperture construction processed 0.67
Global aperture photometry processed 6.3
Validate global photometry processed 18.01
Global host SED inference processed 470.08
Local aperture photometry processed 7.02
Validate local photometry processed 0.03
Local host SED inference processed 449.18
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h28m19.38s, 29d51m07.91s
semi major axis, semi minor axis (arcsec):1.58, 1.58
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 9.71 1.34 21.432 0.149 AB
SDSS_g 27.71 1.42 20.294 0.056 AB
DES_g 29.89 0.29 20.211 0.010 AB
PanSTARRS_g 28.8 0.38 20.252 0.014 AB
SDSS_r 53.78 2.04 19.573 0.041 AB
PanSTARRS_r 54.04 0.46 19.568 0.009 AB
DES_r 60.48 0.66 19.446 0.012 AB
SDSS_i 78.61 2.67 19.161 0.037 AB
PanSTARRS_i 76.78 0.59 19.187 0.008 AB
PanSTARRS_z 94.27 1.33 18.964 0.015 AB
SDSS_z 102.92 5.54 18.869 0.058 AB
DES_z 100.89 2.21 18.890 0.024 AB
PanSTARRS_y 115.1 2.99 18.747 0.028 AB

Aperture details

RA, DEC (J2000):22h28m19.72s, 29d51m10.80s
semi major axis, semi minor axis (arcsec):19.49, 18.33
angle (degrees, anti-clockwise from east):-29.66
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 85.86 8.23 19.065 0.104 AB
GALEX_NUV 119.49 5.91 18.707 0.054 AB
SDSS_u 647.82 14.64 16.871 0.025 AB
SDSS_g 1530.5 11.16 15.938 0.008 AB
DES_g 1704.43 2.45 15.821 0.002 AB
PanSTARRS_g 1661.31 4.4 15.849 0.003 AB
SDSS_r 2933.76 16.5 15.231 0.006 AB
PanSTARRS_r 3007.58 5.27 15.204 0.002 AB
SDSS_i 4168.05 23.44 14.850 0.006 AB
PanSTARRS_i 4122.8 6.83 14.862 0.002 AB
PanSTARRS_z 4919.96 15.62 14.670 0.003 AB
SDSS_z 5244.78 61.75 14.601 0.013 AB
DES_z 5399.13 16.99 14.569 0.003 AB
PanSTARRS_y 5543.42 35.4 14.541 0.007 AB
2MASS_J 7281.53 432.37 13.350 0.064 Vega
2MASS_H 7978.32 604.87 12.778 0.082 Vega
2MASS_K 9057.0 775.97 12.170 0.093 Vega
WISE_W1 3842.12 45.93 12.240 0.013 Vega
WISE_W2 2280.03 51.77 12.166 0.025 Vega
WISE_W3 5802.38 192.62 9.317 0.036 Vega
WISE_W4 4815.94 977.01 8.073 0.220 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.208 9.319 9.437
{\rm log}_{10}({\rm SFR}) -1.690 -1.107 -0.364
{\rm log}_{10}({\rm sSFR}) -10.995 -10.420 -9.673
{\rm stellar\ age} 5.676 7.097 8.958

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.542 -0.868 -0.364
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.658 -0.157 0.348

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.276 0.722 1.152
\delta -0.486 -0.067 0.210
\tau_1/\tau_2 0.661 1.005 1.342
Q_{PAH} 0.771 2.565 5.236
U_{min} 3.019 8.240 15.234
{\rm log}_{10}(\gamma_e)\, -2.954 -1.852 -0.620

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.003 -0.977 -0.139
{\rm log}_{10}(\tau_{AGN})\, 1.071 1.454 1.990

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.049 -1.368 -0.884
0.03-0.10 Gyr -1.764 -1.068 -0.248
0.10-0.33 Gyr -1.789 -1.025 -0.370
0.33-1.08 Gyr -1.940 -0.986 -0.522
1.08-3.53 Gyr -1.590 -0.751 -0.470
3.53-11.59 Gyr -0.965 -0.583 -0.403
11.59-12.88 Gyr -1.147 -0.517 0.182

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.949 11.020 11.132
{\rm log}_{10}({\rm SFR}) -0.006 0.712 1.189
{\rm log}_{10}({\rm sSFR}) -11.130 -10.329 -9.830
{\rm stellar\ age} 7.176 7.873 11.459

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.987 -0.669 -0.480
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.171 0.183 0.422

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.160 0.261 0.423
\delta -0.587 -0.192 0.176
\tau_1/\tau_2 0.551 0.985 1.430
Q_{PAH} 1.461 2.635 4.383
U_{min} 2.884 9.063 16.741
{\rm log}_{10}(\gamma_e)\, -3.040 -2.040 -1.309

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.506 -2.498 -1.818
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.551 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.959 -1.032 0.143
0.03-0.10 Gyr 0.085 0.856 1.350
0.10-0.33 Gyr -0.495 0.710 1.094
0.33-1.08 Gyr -2.581 -0.205 0.548
1.08-3.53 Gyr -1.698 0.265 0.901
3.53-11.59 Gyr 0.143 1.151 1.315
11.59-12.88 Gyr -0.085 1.334 2.218