2025xlj

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Information

Transient

Name: AT2025xlj
Right ascension: 3h04m26.39s
Declination: -18d18m00.48s
Discovery Date: Sept. 13, 2025, 3:32 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.056

Host

Name:
Right ascension: 3h04m26.77s
Declination: -18d18m03.81s
Redshift: 0.082509
Photometric Redshift: 0.117
 

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
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 7.18
Cutout download processed 6.77
Global aperture construction processed 0.63
Local aperture photometry processed 5.92
Global aperture photometry processed 5.44
Validate local photometry processed 0.03
Validate global photometry processed 13.81
Host information processed 0.13
Global host SED inference processed 393.13
Local host SED inference processed 411.07
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.04
Processing status completed 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) = 3h04m26.39s, -18d18m00.48s
semi major axis, semi minor axis (arcsec) = 1.29, 1.29
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 9.47 0.12 21.459 0.014 AB
PanSTARRS_r 20.16 0.38 20.639 0.021 AB
DES_r 15.82 0.16 20.902 0.011 AB
PanSTARRS_i 26.62 0.34 20.337 0.014 AB
PanSTARRS_z 30.02 0.92 20.207 0.033 AB
DES_z 24.76 0.61 20.416 0.027 AB
PanSTARRS_y 29.5 1.89 20.226 0.069 AB

Aperture details

RA, DEC (J2000) = 3h04m26.74s, -18d18m03.31s
semi major axis, semi minor axis (arcsec) = 11.55, 10.34
angle (degrees, anti-clockwise from east) = -43.4

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 55.36 2.02 19.542 0.040 AB
PanSTARRS_r 1145.13 3.22 16.253 0.003 AB
DES_r 1245.86 1.42 16.161 0.001 AB
PanSTARRS_i 1609.59 2.87 15.883 0.002 AB
DES_z 2098.15 5.55 15.595 0.003 AB
PanSTARRS_y 2220.65 15.91 15.534 0.008 AB
WISE_W1 1674.26 20.0 13.141 0.013 Vega
WISE_W2 1134.11 25.7 12.924 0.025 Vega
WISE_W3 3576.3 82.48 9.842 0.025 Vega
WISE_W4 3636.88 455.09 8.378 0.136 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.757 8.940 9.064
{\rm log}_{10}({\rm SFR}) -1.347 -0.856 -0.382
{\rm log}_{10}({\rm sSFR}) -10.375 -9.807 -9.196
{\rm stellar\ age} 5.051 6.948 8.957

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.380 -0.976 -0.556
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.987 -0.731 -0.469

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.453 0.844 1.211
\delta -0.296 -0.029 0.229
\tau_1/\tau_2 0.580 0.928 1.291
Q_{PAH} 0.897 2.937 5.459
U_{min} 3.060 7.992 14.705
{\rm log}_{10}(\gamma_e)\, -2.887 -1.802 -0.705

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.093 -1.162 -0.196
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.517 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.982 -0.619 -0.283
0.03-0.10 Gyr -2.111 -1.047 -0.438
0.10-0.33 Gyr -2.719 -1.364 -0.763
0.33-1.07 Gyr -2.700 -1.425 -0.902
1.07-3.49 Gyr -2.316 -1.212 -0.877
3.49-11.40 Gyr -1.531 -0.995 -0.766
11.40-12.67 Gyr -1.625 -0.943 -0.205

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.674 10.738 10.820
{\rm log}_{10}({\rm SFR}) 0.253 0.628 1.046
{\rm log}_{10}({\rm sSFR}) -10.486 -10.117 -9.693
{\rm stellar\ age} 6.053 7.075 8.965

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.453 -0.220 -0.058
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.547 -0.611 0.172

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.207 0.354
\delta -0.533 -0.130 0.177
\tau_1/\tau_2 0.697 1.060 1.424
Q_{PAH} 0.917 2.504 4.438
U_{min} 2.442 7.216 14.485
{\rm log}_{10}(\gamma_e)\, -2.494 -1.592 -0.760

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.922 -1.714 -1.248
{\rm log}_{10}(\tau_{AGN})\, 1.202 1.617 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.504 0.190 0.433
0.03-0.10 Gyr 0.227 0.727 1.195
0.10-0.33 Gyr 0.128 0.647 0.983
0.33-1.07 Gyr -0.053 0.534 0.817
1.07-3.49 Gyr 0.077 0.643 0.925
3.49-11.40 Gyr 0.569 0.841 0.983
11.40-12.67 Gyr 0.468 0.964 1.614