2025gxj

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Information

Transient

Name: AT2025gxj
Right ascension: 12h28m42.44s
Declination: 53d40m30.54s
Discovery Date: April 6, 2025, 12:42 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 2025gxj
Right ascension: 12h28m41.52s
Declination: 53d40m26.22s
Redshift: None
Photometric Redshift: 0.136
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.71
Cutout download processed 14.83
Global aperture construction processed 0.64
Local aperture photometry processed 5.29
Global aperture photometry processed 5.39
Validate local photometry no valid phot 0.02
Validate global photometry processed 15.79
Host information processed 0.08
Global host SED inference processed 5631.06
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
Log transient processing status blocked 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) = 12h28m42.44s, 53d40m30.54s
semi major axis, semi minor axis (arcsec) = 0.83, 0.83
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 12h28m41.50s, 53d40m26.43s
semi major axis, semi minor axis (arcsec) = 3.14, 2.8
angle (degrees, anti-clockwise from east) = -111.81

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.24 3.63 21.095 0.297 AB
SDSS_u 16.17 2.37 20.878 0.159 AB
SDSS_g 27.32 1.74 20.309 0.069 AB
PanSTARRS_g 27.09 0.61 20.318 0.024 AB
SDSS_r 32.9 1.95 20.107 0.064 AB
PanSTARRS_r 35.95 0.79 20.011 0.024 AB
SDSS_i 43.49 2.69 19.804 0.067 AB
PanSTARRS_i 44.92 1.22 19.769 0.030 AB
PanSTARRS_z 56.93 1.72 19.512 0.033 AB
SDSS_z 55.17 8.6 19.546 0.169 AB
PanSTARRS_y 70.7 4.15 19.276 0.064 AB
2MASS_J 76.9 94.11 18.290 1.329 Vega
2MASS_H 119.04 140.94 17.343 1.285 Vega
2MASS_K 17.35 150.55 18.964 9.422 Vega
WISE_W1 527.57 11.87 14.395 0.024 Vega
WISE_W2 455.36 14.17 13.915 0.034 Vega
WISE_W3 2051.56 53.84 10.446 0.028 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.126 9.421 9.659
{\rm log}_{10}({\rm SFR}) -0.032 0.607 1.023
{\rm log}_{10}({\rm sSFR}) -9.644 -8.863 -8.178
{\rm stellar\ age} 0.211 1.569 4.743

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.422 -0.788 -0.162
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.469 -0.694 0.044

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.974 1.301 1.670
\delta 0.065 0.263 0.359
\tau_1/\tau_2 0.712 1.206 1.636
Q_{PAH} 3.171 4.652 6.051
U_{min} 3.933 10.438 18.304
{\rm log}_{10}(\gamma_e)\, -2.840 -1.770 -1.086

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.943 -0.713 -0.477
{\rm log}_{10}(\tau_{AGN})\, 0.707 0.729 0.775

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.193 -0.329 0.328
0.03-0.10 Gyr -0.124 0.733 1.177
0.10-0.32 Gyr -1.246 0.395 1.001
0.32-1.04 Gyr -2.600 -0.380 0.332
1.04-3.35 Gyr -4.545 -1.179 -0.187
3.35-10.82 Gyr -5.649 -1.845 -0.546
10.82-12.02 Gyr -6.306 -1.827 -0.315