2025xlf

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Information

Transient

Name: AT2025xlf
Right ascension: 20h58m43.53s
Declination: -5d33m31.36s
Discovery Date: Sept. 11, 2025, 10:15 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name:
Right ascension: 20h58m43.59s
Declination: -5d33m31.68s
Redshift: None
Photometric Redshift: 0.150
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.43
Transient MWEBV processed 0.17
Host match processed 7.4
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.42
Validate global photometry processed 17.5
Global host SED inference processed 419.22
Local aperture photometry processed 7.93
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

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) = 20h58m43.53s, -5d33m31.36s
semi major axis, semi minor axis (arcsec) = 0.76, 0.76
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) = 20h58m43.57s, -5d33m31.44s
semi major axis, semi minor axis (arcsec) = 4.38, 2.4
angle (degrees, anti-clockwise from east) = -72.85

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.8 1.22 22.782 0.474 AB
GALEX_NUV 4.28 1.31 22.322 0.332 AB
SDSS_u 8.88 3.74 21.529 0.458 AB
SDSS_g 38.38 1.99 19.940 0.056 AB
DES_g 37.4 0.27 19.968 0.008 AB
PanSTARRS_g 39.77 0.8 19.901 0.022 AB
SDSS_r 90.16 3.06 19.012 0.037 AB
PanSTARRS_r 92.28 0.87 18.987 0.010 AB
DES_r 96.45 1.12 18.939 0.013 AB
SDSS_i 147.35 4.49 18.479 0.033 AB
PanSTARRS_i 138.03 0.89 18.550 0.007 AB
PanSTARRS_z 173.88 2.06 18.299 0.013 AB
SDSS_z 201.25 12.95 18.141 0.070 AB
DES_z 174.52 2.38 18.295 0.015 AB
PanSTARRS_y 215.1 6.07 18.068 0.031 AB
2MASS_J 207.79 94.47 17.211 0.494 Vega
2MASS_H 327.25 161.49 16.245 0.536 Vega
2MASS_K 416.05 171.18 15.514 0.447 Vega
WISE_W1 129.19 12.81 15.923 0.108 Vega
WISE_W2 86.35 16.54 15.720 0.208 Vega
WISE_W3 87.14 98.35 13.876 1.225 Vega
 

Imaging data

Click the image to load the interactive plot.


 

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})\, 10.327 10.388 10.476
{\rm log}_{10}({\rm SFR}) -0.223 0.097 0.394
{\rm log}_{10}({\rm sSFR}) -10.632 -10.316 -9.993
{\rm stellar\ age} 6.895 7.812 10.735

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.963 -0.624 -0.403
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.244 -0.399 -0.056

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.307 0.493 0.698
\delta -0.691 -0.433 -0.223
\tau_1/\tau_2 0.893 1.265 1.657
Q_{PAH} 0.619 1.994 3.930
U_{min} 2.863 8.081 15.002
{\rm log}_{10}(\gamma_e)\, -2.623 -1.615 -0.692

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.301 -3.215 -2.006
{\rm log}_{10}(\tau_{AGN})\, 0.992 1.483 1.855

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.019 0.189 0.380
0.03-0.10 Gyr -0.469 0.045 0.423
0.10-0.32 Gyr -1.405 -0.400 0.059
0.32-1.03 Gyr -1.906 -0.688 -0.154
1.03-3.32 Gyr -1.635 -0.424 0.148
3.32-10.67 Gyr -0.248 0.549 0.669
10.67-11.86 Gyr 0.317 0.953 1.603