2025xsf

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Information

Transient

Name: AT2025xsf
Right ascension: 23h49m25.97s
Declination: -60d43m21.32s
Discovery Date: Sept. 16, 2025, 5:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name:
Right ascension: 23h49m26.86s
Declination: -60d43m15.53s
Redshift: None
Photometric Redshift: 0.076
 

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 7.62
Cutout download processed 3.32
Global aperture construction processed 0.14
Local aperture photometry processed 0.83
Global aperture photometry processed 0.75
Validate local photometry no valid phot 0.01
Validate global photometry processed 1.03
Host information processed 0.11
Global host SED inference processed 554.52
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 23h49m25.97s, -60d43m21.32s
semi major axis, semi minor axis (arcsec) = 1.39, 1.39
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) = 23h49m26.75s, -60d43m15.57s
semi major axis, semi minor axis (arcsec) = 8.82, 5.19
angle (degrees, anti-clockwise from east) = -134.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 74.54 6.07 19.219 0.088 AB
GALEX_NUV 95.54 3.4 18.950 0.039 AB
2MASS_J 1171.01 188.06 15.334 0.174 Vega
2MASS_H 1803.3 274.52 14.392 0.165 Vega
2MASS_K 1841.0 298.67 13.900 0.176 Vega
WISE_W1 719.67 15.18 14.058 0.023 Vega
WISE_W2 463.65 17.91 13.896 0.042 Vega
WISE_W3 1491.17 95.47 10.792 0.070 Vega
WISE_W4 1456.94 561.93 9.371 0.419 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})\, 10.055 10.242 10.425
{\rm log}_{10}({\rm SFR}) -0.019 0.303 0.670
{\rm log}_{10}({\rm sSFR}) -10.253 -9.899 -9.525
{\rm stellar\ age} 3.970 6.727 9.115

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.829 -0.394 0.015
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.584 -0.542 -0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.187 0.377
\delta -0.754 -0.291 0.098
\tau_1/\tau_2 0.431 0.892 1.390
Q_{PAH} 0.405 1.224 3.455
U_{min} 2.137 6.370 13.597
{\rm log}_{10}(\gamma_e)\, -3.539 -2.742 -1.639

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.247 -3.151 -1.949
{\rm log}_{10}(\tau_{AGN})\, 0.950 1.430 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.099 0.402 0.682
0.03-0.10 Gyr -0.976 0.143 0.764
0.10-0.33 Gyr -1.264 -0.009 0.555
0.33-1.07 Gyr -1.087 0.065 0.621
1.07-3.51 Gyr -0.807 0.180 0.523
3.51-11.48 Gyr -0.499 0.223 0.519
11.48-12.75 Gyr -0.595 0.348 1.177