2025xab

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Information

Transient

Name: AT2025xab
Right ascension: 21h51m28.36s
Declination: -77d11m24.89s
Discovery Date: Sept. 6, 2025, 4:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.155

Host

Name: 237230
Right ascension: 21h51m27.40s
Declination: -77d11m23.19s
Redshift: 0.097878
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
no valid phot
 status
Local host SED inference
Local host SED inference
not processed
 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 4.37
Cutout download processed 17.28
Global aperture construction processed 0.16
Local aperture photometry processed 0.95
Global aperture photometry processed 0.74
Validate local photometry no valid phot 0.01
Validate global photometry processed 0.93
Host information processed 0.15
Global host SED inference processed 994.61
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.07
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) = 21h51m28.36s, -77d11m24.89s
semi major axis, semi minor axis (arcsec) = 1.11, 1.11
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 21h51m27.52s, -77d11m23.80s
semi major axis, semi minor axis (arcsec) = 8.55, 7.62
angle (degrees, anti-clockwise from east) = -27.04

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.76 2.79 21.427 0.310 AB
GALEX_NUV 15.31 2.89 20.938 0.205 AB
2MASS_J 3887.36 235.07 14.031 0.066 Vega
2MASS_H 5117.34 396.33 13.260 0.084 Vega
2MASS_K 5460.19 377.35 12.719 0.075 Vega
WISE_W1 2106.22 26.98 12.892 0.014 Vega
WISE_W2 1410.22 28.16 12.688 0.022 Vega
WISE_W3 1348.87 76.39 10.901 0.061 Vega
WISE_W4 722.12 464.08 10.133 0.698 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})\, 10.937 11.079 11.172
{\rm log}_{10}({\rm SFR}) -0.294 0.221 0.655
{\rm log}_{10}({\rm sSFR}) -11.357 -10.806 -10.390
{\rm stellar\ age} 5.193 7.185 8.845

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.398 -0.189 -0.030
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.200 -0.477 0.151

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.066 0.173 0.291
\delta -0.939 -0.751 -0.348
\tau_1/\tau_2 0.264 0.722 1.176
Q_{PAH} 0.270 0.944 3.191
U_{min} 1.769 5.525 11.896
{\rm log}_{10}(\gamma_e)\, -3.595 -2.855 -1.310

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.374 -3.316 -2.183
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.448 1.871

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.466 0.200 0.738
0.03-0.10 Gyr -0.849 0.006 0.687
0.10-0.33 Gyr -0.502 0.390 0.890
0.33-1.06 Gyr -0.101 0.630 1.217
1.06-3.45 Gyr 0.225 0.956 1.330
3.45-11.23 Gyr 0.689 1.185 1.368
11.23-12.48 Gyr 0.480 1.278 1.918