2025xtk results

Information

Transient
Name:AT2025xtk
Right ascension: 2h22m15.95s
Declination:-18d17m22.77s
Discovery Date:Sept. 16, 2025, 12:23 p.m.
Classification:None
Redshift:None
MW E(B-V):0.030
Host
Name:
Right ascension: 2h22m15.91s
Declination:-18d17m24.32s
Redshift:None
Photometric Redshift:0.150
 

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
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_z
 DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 17.12
Transient MWEBV processed 0.08
Host match processed 6.91
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.47
Validate global photometry processed 14.09
Global host SED inference processed 391.66
Local aperture photometry processed 5.98
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):2h22m15.89s, -18d17m24.13s
semi major axis, semi minor axis (arcsec):6.36, 5.29
angle (degrees, anti-clockwise from east):-50.75
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.14 3.79 20.640 0.204 AB
GALEX_NUV 26.17 2.75 20.356 0.114 AB
DES_g 171.92 0.47 18.312 0.003 AB
PanSTARRS_g 169.79 1.25 18.325 0.008 AB
PanSTARRS_r 288.47 1.67 17.750 0.006 AB
DES_r 310.33 0.65 17.670 0.002 AB
PanSTARRS_i 383.61 1.53 17.440 0.004 AB
PanSTARRS_z 455.06 4.39 17.255 0.010 AB
DES_z 478.66 2.65 17.200 0.006 AB
PanSTARRS_y 526.27 8.13 17.097 0.017 AB
2MASS_J 588.52 150.28 16.081 0.277 Vega
2MASS_H 1155.59 227.75 14.875 0.214 Vega
2MASS_K 743.54 297.19 14.884 0.434 Vega
WISE_W1 314.19 11.0 14.958 0.038 Vega
WISE_W2 228.71 13.88 14.663 0.066 Vega
WISE_W3 763.96 55.23 11.518 0.078 Vega
WISE_W4 70.28 302.91 12.663 4.679 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.525 10.568 10.615
{\rm log}_{10}({\rm SFR}) 0.199 0.548 0.832
{\rm log}_{10}({\rm sSFR}) -10.374 -10.021 -9.735
{\rm stellar\ age} 5.741 6.423 7.397

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.778 -0.548 -0.383
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.603 -0.201 0.335

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.097 0.172 0.283
\delta -0.541 -0.145 0.161
\tau_1/\tau_2 0.695 1.065 1.427
Q_{PAH} 0.907 2.661 4.765
U_{min} 2.435 7.398 14.623
{\rm log}_{10}(\gamma_e)\, -2.317 -1.240 -0.417

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.805 -2.219 -1.392
{\rm log}_{10}(\tau_{AGN})\, 1.130 1.557 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.951 -0.236 0.072
0.03-0.10 Gyr 0.294 0.687 0.985
0.10-0.32 Gyr 0.473 0.735 0.945
0.32-1.03 Gyr 0.260 0.571 0.750
1.03-3.32 Gyr 0.243 0.567 0.764
3.32-10.68 Gyr 0.563 0.721 0.821
10.68-11.87 Gyr 0.383 0.813 1.253