2025ubu results

Information

Transient
Name:AT2025ubu
Right ascension: 15h10m58.19s
Declination:-1d56m17.08s
Discovery Date:Aug. 16, 2025, 9:05 a.m.
Classification:None
Redshift:None
MW E(B-V):0.091
Host
Name:1105968
Right ascension: 15h10m58.30s
Declination:-1d56m19.79s
Redshift:0.070901
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
 GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 30.03
Transient MWEBV processed 0.04
Host match processed 4.31
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 5.79
Validate global photometry processed 16.29
Global host SED inference processed 398.51
Local aperture photometry processed 6.59
Validate local photometry processed 0.02
Local host SED inference processed 405.96
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h10m58.19s, -1d56m17.08s
semi major axis, semi minor axis (arcsec):1.48, 1.48
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 13.75 1.05 21.055 0.083 AB
DES_g 14.6 0.14 20.989 0.011 AB
PanSTARRS_g 17.01 0.33 20.823 0.021 AB
SDSS_r 31.58 1.6 20.152 0.055 AB
PanSTARRS_r 34.24 0.43 20.064 0.014 AB
DES_r 33.05 0.38 20.102 0.013 AB
SDSS_i 44.84 2.05 19.771 0.050 AB
PanSTARRS_i 53.67 0.65 19.576 0.013 AB
PanSTARRS_z 66.73 1.04 19.339 0.017 AB
SDSS_z 61.59 4.99 19.426 0.088 AB
DES_z 62.11 1.56 19.417 0.027 AB
PanSTARRS_y 83.14 1.82 19.100 0.024 AB

Aperture details

RA, DEC (J2000):15h10m58.29s, -1d56m19.53s
semi major axis, semi minor axis (arcsec):8.15, 4.92
angle (degrees, anti-clockwise from east):-66.04
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 21.51 5.06 20.568 0.255 AB
SDSS_g 216.21 4.26 18.063 0.021 AB
DES_g 228.76 0.57 18.002 0.003 AB
PanSTARRS_g 227.64 1.42 18.007 0.007 AB
SDSS_r 486.77 6.41 17.182 0.014 AB
PanSTARRS_r 492.27 1.82 17.169 0.004 AB
DES_r 531.3 1.54 17.087 0.003 AB
SDSS_i 743.62 8.5 16.722 0.012 AB
PanSTARRS_i 732.58 2.73 16.738 0.004 AB
PanSTARRS_z 939.52 4.37 16.468 0.005 AB
SDSS_z 963.44 21.2 16.440 0.024 AB
DES_z 1009.32 6.31 16.390 0.007 AB
PanSTARRS_y 1165.22 7.73 16.234 0.007 AB
2MASS_J 1586.67 155.9 15.004 0.107 Vega
2MASS_H 2073.68 220.16 14.241 0.115 Vega
2MASS_K 1980.17 301.88 13.820 0.166 Vega
WISE_W1 753.9 15.66 14.008 0.023 Vega
WISE_W2 445.67 25.25 13.938 0.062 Vega
WISE_W3 970.44 79.38 11.259 0.089 Vega
WISE_W4 1683.22 529.4 9.215 0.341 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.204 9.319 9.440
{\rm log}_{10}({\rm SFR}) -1.341 -0.893 -0.479
{\rm log}_{10}({\rm sSFR}) -10.706 -10.227 -9.749
{\rm stellar\ age} 5.613 7.208 8.964

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.289 -0.718 -0.210
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.173 -0.800 -0.395

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.594 0.996 1.363
\delta -0.436 -0.153 0.112
\tau_1/\tau_2 0.614 0.944 1.280
Q_{PAH} 0.704 2.806 5.544
U_{min} 2.940 7.305 13.823
{\rm log}_{10}(\gamma_e)\, -3.023 -1.982 -0.777

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.965 -1.154 -0.296
{\rm log}_{10}(\tau_{AGN})\, 1.012 1.474 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.167 -0.753 -0.453
0.03-0.10 Gyr -1.722 -1.005 -0.461
0.10-0.33 Gyr -1.958 -1.112 -0.560
0.33-1.07 Gyr -1.971 -1.041 -0.505
1.07-3.52 Gyr -1.696 -0.766 -0.481
3.52-11.54 Gyr -0.995 -0.576 -0.401
11.54-12.82 Gyr -1.135 -0.514 0.170

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.187 10.346 10.453
{\rm log}_{10}({\rm SFR}) -1.918 -0.942 -0.429
{\rm log}_{10}({\rm sSFR}) -12.208 -11.290 -10.726
{\rm stellar\ age} 4.413 6.905 8.562

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.973 -0.678 -0.502
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.536 -0.725 0.059

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.341 0.528 0.713
\delta -0.903 -0.695 -0.393
\tau_1/\tau_2 0.538 0.914 1.279
Q_{PAH} 0.611 1.601 3.638
U_{min} 2.435 7.453 14.686
{\rm log}_{10}(\gamma_e)\, -3.092 -1.974 -1.201

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.439 -3.456 -2.450
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.554 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.328 -0.920 -0.441
0.03-0.10 Gyr -2.542 -1.050 -0.392
0.10-0.33 Gyr -2.135 -0.790 -0.066
0.33-1.07 Gyr -0.940 0.080 0.765
1.07-3.52 Gyr -0.519 0.315 0.656
3.52-11.54 Gyr -0.293 0.399 0.644
11.54-12.82 Gyr -0.633 0.400 1.072