2025xkz results

Information

Transient
Name:AT2025xkz
Right ascension: 2h49m34.47s
Declination:-20d30m27.59s
Discovery Date:Sept. 14, 2025, 3:33 a.m.
Classification:None
Redshift:None
MW E(B-V):0.029
Host
Name:134961
Right ascension: 2h49m34.31s
Declination:-20d30m33.63s
Redshift:0.086763
Photometric Redshift:None
 

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
DES_g
DES_r
DES_z
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 6.76
Transient MWEBV processed 0.1
Host match processed 4.58
Host information processed 0.12
Host MWEBV processed 0.06
Global aperture construction processed 0.64
Global aperture photometry processed 4.48
Validate global photometry processed 12.52
Global host SED inference processed 450.16
Local aperture photometry processed 4.81
Validate local photometry processed 0.02
Local host SED inference processed 445.25
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):2h49m34.47s, -20d30m27.59s
semi major axis, semi minor axis (arcsec):1.23, 1.23
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 48.22 0.37 19.692 0.008 AB
DES_r 52.04 0.29 19.609 0.006 AB
PanSTARRS_i 75.25 0.39 19.209 0.006 AB
PanSTARRS_z 102.19 0.89 18.876 0.009 AB
DES_z 101.31 1.35 18.886 0.014 AB
PanSTARRS_y 126.31 2.09 18.646 0.018 AB

Aperture details

RA, DEC (J2000):2h49m34.33s, -20d30m32.98s
semi major axis, semi minor axis (arcsec):15.56, 14.7
angle (degrees, anti-clockwise from east):-6.49
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 2353.11 4.44 15.471 0.002 AB
PanSTARRS_r 5274.68 4.47 14.595 0.001 AB
DES_r 6004.96 3.24 14.454 0.001 AB
DES_z 11556.38 14.65 13.743 0.001 AB
PanSTARRS_y 13749.26 25.49 13.554 0.002 AB
2MASS_H 21593.76 511.99 11.697 0.026 Vega
WISE_W1 9100.23 53.89 11.303 0.006 Vega
WISE_W2 5451.66 55.53 11.220 0.011 Vega
WISE_W3 1926.55 122.79 10.514 0.069 Vega
WISE_W4 1274.34 598.67 9.517 0.510 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.576 9.725 9.896
{\rm log}_{10}({\rm SFR}) -1.429 -0.816 -0.174
{\rm log}_{10}({\rm sSFR}) -11.139 -10.532 -9.939
{\rm stellar\ age} 5.683 7.454 10.693

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.239 -0.482 -0.030
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.457 -0.680 0.111

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.525 0.961 1.492
\delta -0.451 -0.115 0.222
\tau_1/\tau_2 0.615 0.975 1.344
Q_{PAH} 0.572 1.954 4.433
U_{min} 2.897 8.053 15.092
{\rm log}_{10}(\gamma_e)\, -3.239 -2.002 -0.726

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.901 -0.885 -0.185
{\rm log}_{10}(\tau_{AGN})\, 1.030 1.512 1.965

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.654 -0.865 -0.420
0.03-0.10 Gyr -1.851 -0.867 -0.097
0.10-0.33 Gyr -2.284 -0.990 -0.247
0.33-1.07 Gyr -2.537 -1.009 -0.231
1.07-3.48 Gyr -2.444 -0.652 -0.139
3.48-11.36 Gyr -1.072 -0.235 0.011
11.36-12.62 Gyr -0.782 -0.002 0.862

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.675 11.782 11.826
{\rm log}_{10}({\rm SFR}) -2.332 -1.060 -0.153
{\rm log}_{10}({\rm sSFR}) -14.198 -12.840 -11.865
{\rm stellar\ age} 7.512 10.574 11.978

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.408 -0.255 -0.153
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.474 -0.643 0.140

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.105 0.210 0.335
\delta -0.857 -0.629 -0.315
\tau_1/\tau_2 0.575 0.995 1.415
Q_{PAH} 0.394 1.089 2.532
U_{min} 2.459 7.687 14.830
{\rm log}_{10}(\gamma_e)\, -3.164 -2.149 -1.144

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.582 -3.824 -2.905
{\rm log}_{10}(\tau_{AGN})\, 1.127 1.630 1.976

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.229 -1.344 -0.476
0.03-0.10 Gyr -2.968 -1.185 -0.067
0.10-0.33 Gyr -3.773 -1.321 -0.085
0.33-1.07 Gyr -3.638 -1.312 0.067
1.07-3.48 Gyr -2.571 -0.587 1.048
3.48-11.36 Gyr -0.809 1.537 1.969
11.36-12.62 Gyr 1.620 2.753 2.972