2025xbd

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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
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 6.33
Cutout download processed 43.12
Global aperture construction processed 0.69
Local aperture photometry processed 7.57
Global aperture photometry processed 6.6
Validate local photometry processed 0.03
Validate global photometry processed 18.25
Host information processed 0.14
Global host SED inference processed 426.36
Local host SED inference not enough filters 19.24
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.04
Processing status blocked N/A N/A
 

Cutout Download Report

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_i: DES_z: DES_Y:
 

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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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