2025xou

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Information

Transient

Name: AT2025xou
Right ascension: 21h55m23.11s
Declination: -53d40m58.63s
Discovery Date: Sept. 14, 2025, 3:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name: ESO189-011
Right ascension: 21h55m22.16s
Declination: -53d40m46.77s
Redshift: 0.031172
Photometric Redshift:
 

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
failed
 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 4.0
Cutout download processed 3.4
Global aperture construction processed 0.13
Local aperture photometry processed 0.84
Global aperture photometry processed 0.75
Validate local photometry processed 0.01
Validate global photometry processed 0.99
Host information processed 0.11
Global host SED inference processed 693.62
Local host SED inference failed 0.0
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.05
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) = 21h55m23.11s, -53d40m58.63s
semi major axis, semi minor axis (arcsec) = 3.21, 3.21
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
2MASS_J 131.12 77.61 17.711 0.643 Vega
2MASS_H 212.72 101.66 16.713 0.519 Vega
2MASS_K 82.75 139.16 17.268 1.826 Vega

Aperture details

RA, DEC (J2000) = 21h55m22.21s, -53d40m47.41s
semi major axis, semi minor axis (arcsec) = 11.89, 10.94
angle (degrees, anti-clockwise from east) = -116.96

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 97.06 7.02 18.932 0.079 AB
GALEX_NUV 135.52 5.0 18.570 0.040 AB
2MASS_J 4180.73 276.74 13.952 0.072 Vega
2MASS_H 4700.75 361.36 13.352 0.083 Vega
2MASS_K 4517.86 495.74 12.925 0.119 Vega
WISE_W1 1671.19 53.46 13.143 0.035 Vega
WISE_W2 915.39 29.8 13.157 0.035 Vega
WISE_W3 2298.28 113.49 10.322 0.054 Vega
WISE_W4 2804.4 702.86 8.660 0.272 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})\, 9.773 9.949 10.121
{\rm log}_{10}({\rm SFR}) -0.739 -0.337 0.049
{\rm log}_{10}({\rm sSFR}) -10.732 -10.289 -9.861
{\rm stellar\ age} 5.567 7.635 10.857

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.832 -0.417 -0.170
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.328 -0.518 -0.015

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.097 0.219 0.430
\delta -0.728 -0.322 0.115
\tau_1/\tau_2 0.282 0.715 1.194
Q_{PAH} 0.206 0.886 3.419
U_{min} 2.340 7.108 13.578
{\rm log}_{10}(\gamma_e)\, -3.556 -2.457 -1.333

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.504 -3.677 -2.435
{\rm log}_{10}(\tau_{AGN})\, 1.081 1.643 1.990

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.002 -0.482 0.039
0.03-0.10 Gyr -1.063 -0.429 0.126
0.10-0.33 Gyr -1.374 -0.443 0.111
0.33-1.10 Gyr -1.647 -0.437 0.138
1.10-3.63 Gyr -1.482 -0.282 0.092
3.63-12.00 Gyr -0.683 -0.071 0.204
12.00-13.34 Gyr -0.543 0.154 1.055