2025udu results

Information

Transient
Name:AT2025udu
Right ascension: 22h58m58.76s
Declination:20d39m55.47s
Discovery Date:Aug. 16, 2025, 9:26 a.m.
Classification:None
Redshift:None
MW E(B-V):0.047
Host
Name:
Right ascension: 22h58m58.51s
Declination:20d39m49.05s
Redshift:0.052055
Photometric Redshift:0.055
 

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 31.76
Transient MWEBV processed 0.09
Host match processed 6.4
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 6.16
Validate global photometry processed 16.55
Global host SED inference processed 438.59
Local aperture photometry processed 6.9
Validate local photometry processed 0.02
Local host SED inference processed 459.46
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h58m58.76s, 20d39m55.47s
semi major axis, semi minor axis (arcsec):1.97, 1.97
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 10.38 2.56 21.359 0.268 AB
SDSS_g 31.31 1.56 20.161 0.054 AB
DES_g 31.74 0.31 20.146 0.010 AB
PanSTARRS_g 34.21 0.48 20.064 0.015 AB
SDSS_r 55.5 2.21 19.539 0.043 AB
PanSTARRS_r 57.95 0.57 19.492 0.011 AB
DES_r 62.42 0.57 19.412 0.010 AB
SDSS_i 80.64 2.97 19.134 0.040 AB
PanSTARRS_i 79.21 0.66 19.153 0.009 AB
PanSTARRS_z 93.71 1.63 18.971 0.019 AB
SDSS_z 94.35 7.14 18.963 0.082 AB
DES_z 96.89 1.64 18.934 0.018 AB
PanSTARRS_y 109.35 3.7 18.803 0.037 AB

Aperture details

RA, DEC (J2000):22h58m58.51s, 20d39m49.05s
semi major axis, semi minor axis (arcsec):18.33, 13.59
angle (degrees, anti-clockwise from east):-28.87
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 649.0 20.58 16.869 0.034 AB
SDSS_g 1598.33 11.42 15.891 0.008 AB
DES_g 1691.36 2.26 15.829 0.001 AB
PanSTARRS_g 1662.78 3.8 15.848 0.002 AB
SDSS_r 2948.41 16.55 15.226 0.006 AB
PanSTARRS_r 2952.64 4.46 15.224 0.002 AB
DES_r 3293.51 4.16 15.106 0.001 AB
SDSS_i 4314.43 22.68 14.813 0.006 AB
PanSTARRS_i 4163.41 5.26 14.851 0.001 AB
PanSTARRS_z 4953.74 12.99 14.663 0.003 AB
SDSS_z 5474.83 57.08 14.554 0.011 AB
DES_z 5406.71 12.34 14.568 0.002 AB
PanSTARRS_y 6009.79 29.19 14.453 0.005 AB
2MASS_J 6990.16 486.21 13.394 0.076 Vega
2MASS_H 9549.99 700.37 12.582 0.080 Vega
2MASS_K 7861.05 739.28 12.323 0.102 Vega
WISE_W1 4799.8 44.94 11.998 0.010 Vega
WISE_W2 3154.56 54.26 11.814 0.019 Vega
WISE_W3 16386.16 230.15 8.190 0.015 Vega
WISE_W4 15979.35 1421.62 6.771 0.097 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.950 9.084 9.200
{\rm log}_{10}({\rm SFR}) -1.948 -1.311 -0.649
{\rm log}_{10}({\rm sSFR}) -11.046 -10.386 -9.654
{\rm stellar\ age} 5.649 7.215 9.016

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.620 -1.073 -0.599
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.791 -0.788 0.259

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.338 0.683 1.038
\delta -0.415 -0.133 0.183
\tau_1/\tau_2 0.673 1.009 1.333
Q_{PAH} 0.849 2.418 5.000
U_{min} 3.044 7.964 14.913
{\rm log}_{10}(\gamma_e)\, -3.043 -1.828 -0.680

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.798 -0.816 -0.312
{\rm log}_{10}(\tau_{AGN})\, 1.076 1.510 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.983 -1.368 -0.875
0.03-0.10 Gyr -2.138 -1.318 -0.568
0.10-0.33 Gyr -2.067 -1.261 -0.619
0.33-1.08 Gyr -2.066 -1.220 -0.748
1.08-3.57 Gyr -1.791 -1.022 -0.736
3.57-11.76 Gyr -1.230 -0.848 -0.649
11.76-13.06 Gyr -1.362 -0.765 -0.109

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.708 10.783 10.866
{\rm log}_{10}({\rm SFR}) 0.462 1.080 1.404
{\rm log}_{10}({\rm sSFR}) -10.345 -9.710 -9.352
{\rm stellar\ age} 7.035 7.908 10.820

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.517 -0.316 -0.178
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.264 0.374 0.455

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.269 0.395 0.565
\delta -0.647 -0.390 -0.072
\tau_1/\tau_2 0.588 0.953 1.316
Q_{PAH} 1.281 2.257 4.036
U_{min} 2.481 7.167 14.678
{\rm log}_{10}(\gamma_e)\, -3.282 -2.185 -1.618

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.297 -1.873 -1.513
{\rm log}_{10}(\tau_{AGN})\, 0.967 1.361 1.747

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.371 0.610 0.850
0.03-0.10 Gyr 0.451 1.191 1.537
0.10-0.33 Gyr -1.733 0.011 0.563
0.33-1.08 Gyr -2.034 -0.093 0.371
1.08-3.57 Gyr -0.959 0.322 0.776
3.57-11.76 Gyr 0.438 0.892 1.027
11.76-13.06 Gyr 0.505 1.123 1.863