2025ubu

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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:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.31
Cutout download processed 30.03
Global aperture construction processed 0.65
Local aperture photometry processed 6.59
Global aperture photometry processed 5.79
Validate local photometry processed 0.02
Validate global photometry processed 16.29
Host information processed 0.15
Global host SED inference processed 398.51
Local host SED inference processed 405.96
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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