2025xbd results

Information

Transient
Name:AT2025xbd
Right ascension: 7h48m55.39s
Declination:8d11m01.44s
Discovery Date:Sept. 6, 2025, 12:09 p.m.
Classification:None
Redshift:None
MW E(B-V):0.017
Host
Name:
Right ascension: 7h48m55.40s
Declination:8d11m01.33s
Redshift:None
Photometric Redshift:0.114
 

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_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_z
 SDSS_r
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 43.12
Transient MWEBV processed 0.08
Host match processed 6.33
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.69
Global aperture photometry processed 6.6
Validate global photometry processed 18.25
Global host SED inference processed 426.36
Local aperture photometry processed 7.57
Validate local photometry processed 0.03
Local host SED inference not enough filters 19.24
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h48m55.39s, 8d11m01.44s
semi major axis, semi minor axis (arcsec):0.97, 0.97
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 16.32 1.68 20.868 0.112 AB

Aperture details

RA, DEC (J2000):7h48m55.39s, 8d11m01.47s
semi major axis, semi minor axis (arcsec):4.72, 2.29
angle (degrees, anti-clockwise from east):-129.23
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.31 2.32 21.900 0.400 AB
GALEX_NUV 7.28 2.01 21.745 0.300 AB
SDSS_u 11.4 3.0 21.257 0.286 AB
SDSS_g 22.73 1.56 20.509 0.075 AB
DES_g 21.77 0.54 20.556 0.027 AB
PanSTARRS_g 23.6 0.68 20.468 0.031 AB
PanSTARRS_r 30.49 0.88 20.190 0.031 AB
DES_r 31.37 1.04 20.159 0.036 AB
SDSS_i 37.25 3.02 19.972 0.088 AB
PanSTARRS_i 38.3 1.1 19.942 0.031 AB
PanSTARRS_z 36.28 2.56 20.001 0.077 AB
SDSS_z 81.41 13.13 19.123 0.175 AB
DES_z 36.36 3.22 19.999 0.096 AB
PanSTARRS_y 41.85 5.67 19.846 0.147 AB
2MASS_J 54.22 92.01 18.670 1.842 Vega
2MASS_H 98.68 142.05 17.547 1.563 Vega
2MASS_K 216.05 136.58 16.226 0.686 Vega
WISE_W1 20.69 13.16 17.912 0.690 Vega
WISE_W2 -2.64 13.87 Vega
WISE_W3 52.62 64.84 14.423 1.338 Vega
WISE_W4 315.79 417.4 11.031 1.435 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})\, 8.807 9.041 9.205
{\rm log}_{10}({\rm SFR}) -0.648 -0.214 0.236
{\rm log}_{10}({\rm sSFR}) -9.737 -9.270 -8.587
{\rm stellar\ age} 1.274 4.236 6.144

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.563 -0.859 -0.164
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.510 -0.824 -0.023

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.155 0.495 0.974
\delta -0.325 0.116 0.310
\tau_1/\tau_2 0.845 1.233 1.616
Q_{PAH} 1.285 3.263 5.187
U_{min} 3.051 8.380 15.686
{\rm log}_{10}(\gamma_e)\, -3.029 -1.948 -0.765

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.206 -0.985 -0.108
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.391 1.834

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.789 -0.467 -0.148
0.03-0.10 Gyr -0.670 -0.153 0.347
0.10-0.32 Gyr -0.678 -0.207 0.220
0.32-1.05 Gyr -1.493 -0.619 -0.228
1.05-3.41 Gyr -1.928 -0.954 -0.620
3.41-11.05 Gyr -2.349 -1.108 -0.745
11.05-12.28 Gyr -2.577 -1.163 -0.554