2025agtj

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Information

Transient

Name: AT2025agtj
Right ascension: 0h03m35.68s
Declination: -78d56m38.89s
Discovery Date: Dec. 13, 2025, 7:43 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.087

Host

Name: 231484
Right ascension: 0h03m35.54s
Declination: -78d56m33.76s
Redshift: 0.057507
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.97
Transient MWEBV processed 0.05
Host match processed 3.97
Host information processed 0.12
Host MWEBV processed 0.08
Global aperture construction processed 0.12
Global aperture photometry processed 0.73
Validate global photometry processed 0.61
Global host SED inference processed 453.39
Local aperture photometry processed 0.68
Validate local photometry no valid phot 0.01
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) = 0h03m35.68s, -78d56m38.89s
semi major axis, semi minor axis (arcsec) = 1.8, 1.8
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) = 0h03m35.23s, -78d56m31.74s
semi major axis, semi minor axis (arcsec) = 19.99, 9.81
angle (degrees, anti-clockwise from east) = -20.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 116.49 7.84 18.734 0.073 AB
GALEX_NUV 156.29 4.25 18.415 0.030 AB
WISE_W1 5117.03 32.78 11.928 0.007 Vega
WISE_W2 3371.43 35.67 11.741 0.011 Vega
WISE_W3 16379.15 160.62 8.190 0.011 Vega
WISE_W4 19397.25 1170.56 6.561 0.066 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})\, 10.751 10.902 11.022
{\rm log}_{10}({\rm SFR}) 0.499 0.771 1.141
{\rm log}_{10}({\rm sSFR}) -10.438 -10.095 -9.699
{\rm stellar\ age} 5.540 7.557 9.989

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.609 -0.176 0.084
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.107 -0.456 -0.118

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.252 0.414 0.686
\delta -0.380 -0.068 0.218
\tau_1/\tau_2 0.355 0.826 1.308
Q_{PAH} 0.763 1.863 3.989
U_{min} 2.299 6.772 13.321
{\rm log}_{10}(\gamma_e)\, -3.422 -2.232 -1.503

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.886 -2.406 -1.495
{\rm log}_{10}(\tau_{AGN})\, 1.015 1.533 1.959

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.352 0.894 1.169
0.03-0.10 Gyr -0.408 0.613 1.204
0.10-0.33 Gyr -0.873 0.421 0.973
0.33-1.08 Gyr -0.815 0.393 1.001
1.08-3.56 Gyr -0.204 0.716 1.087
3.56-11.69 Gyr 0.413 0.932 1.158
11.69-12.99 Gyr 0.457 1.156 1.900