2025kdu results

Information

Transient
Name:AT2025kdu
Right ascension: 23h12m45.72s
Declination:-13d39m06.31s
Discovery Date:May 5, 2025, 3:07 a.m.
Classification:None
Redshift:None
MW E(B-V):0.028
Host
Name:2025kdu
Right ascension: 23h12m45.69s
Declination:-13d39m00.52s
Redshift:None
Photometric Redshift:0.105
 

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
DES_g
DES_r
DES_z
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.4
Transient MWEBV processed 0.06
Host match processed 1.97
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.71
Global aperture photometry processed 5.73
Validate global photometry processed 13.65
Global host SED inference processed 415.66
Local aperture photometry processed 5.24
Validate local photometry processed 0.02
Local host SED inference processed 532.93
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h12m45.72s, -13d39m06.31s
semi major axis, semi minor axis (arcsec):1.04, 1.04
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 4.79 0.61 22.199 0.139 AB
PanSTARRS_y 5.31 1.61 22.088 0.328 AB

Aperture details

RA, DEC (J2000):23h12m45.68s, -13d39m00.32s
semi major axis, semi minor axis (arcsec):8.86, 7.93
angle (degrees, anti-clockwise from east):-161.18
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 204.67 1.15 18.122 0.006 AB
PanSTARRS_g 203.41 2.04 18.129 0.011 AB
PanSTARRS_r 298.08 2.43 17.714 0.009 AB
DES_r 342.93 2.87 17.562 0.009 AB
PanSTARRS_i 405.38 2.76 17.380 0.007 AB
PanSTARRS_z 466.72 6.82 17.227 0.016 AB
DES_z 493.78 5.93 17.166 0.013 AB
PanSTARRS_y 543.42 12.95 17.062 0.026 AB
2MASS_J 465.36 192.42 16.336 0.449 Vega
2MASS_H 578.64 332.61 15.626 0.624 Vega
2MASS_K 793.73 363.58 14.813 0.497 Vega
WISE_W1 258.76 15.99 15.169 0.067 Vega
WISE_W2 180.14 27.27 14.922 0.164 Vega
WISE_W3 170.46 140.2 13.147 0.893 Vega
WISE_W4 620.81 625.96 10.298 1.095 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.661 8.242 8.564
{\rm log}_{10}({\rm SFR}) -1.093 -0.644 -0.204
{\rm log}_{10}({\rm sSFR}) -9.478 -8.833 -7.972
{\rm stellar\ age} 0.141 4.686 7.310

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.702 -1.100 -0.213
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.489 -0.645 0.157

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.946 1.526 2.172
\delta -0.125 0.133 0.314
\tau_1/\tau_2 0.471 0.914 1.330
Q_{PAH} 0.664 2.218 4.704
U_{min} 2.971 8.585 16.265
{\rm log}_{10}(\gamma_e)\, -3.201 -2.009 -0.707

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.145 -0.572 0.251
{\rm log}_{10}(\tau_{AGN})\, 0.974 1.386 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.827 -0.295 0.193
0.03-0.10 Gyr -2.998 -1.405 -0.616
0.10-0.32 Gyr -4.692 -1.982 -1.108
0.32-1.06 Gyr -5.467 -2.176 -1.368
1.06-3.43 Gyr -5.528 -2.168 -1.410
3.43-11.15 Gyr -5.878 -2.109 -1.361
11.15-12.39 Gyr -5.903 -2.070 -1.036

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.000 10.159 10.264
{\rm log}_{10}({\rm SFR}) -1.104 -0.317 0.486
{\rm log}_{10}({\rm sSFR}) -11.231 -10.480 -9.653
{\rm stellar\ age} 2.784 5.563 6.921

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.335 -0.925 -0.653
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.351 -0.217 0.238

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.131 0.292 0.498
\delta -0.805 -0.515 -0.089
\tau_1/\tau_2 0.560 0.948 1.347
Q_{PAH} 0.587 1.679 3.656
U_{min} 2.390 7.439 14.586
{\rm log}_{10}(\gamma_e)\, -3.077 -1.935 -0.928

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.211 -2.940 -1.743
{\rm log}_{10}(\tau_{AGN})\, 1.111 1.620 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.606 -0.586 -0.243
0.03-0.10 Gyr -1.347 -0.289 0.638
0.10-0.32 Gyr -0.805 0.237 0.857
0.32-1.06 Gyr -0.134 0.434 0.798
1.06-3.43 Gyr -0.474 0.279 0.589
3.43-11.15 Gyr -0.853 0.146 0.408
11.15-12.39 Gyr -1.154 0.100 0.656