2025gta

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Information

Transient

Name: AT2025gta
Right ascension: 20h03m40.18s
Declination: -61d55m08.44s
Discovery Date: April 2, 2025, 5:29 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name: 2025gta
Right ascension: 20h03m39.95s
Declination: -61d55m05.62s
Redshift: 0.087447
Photometric Redshift:
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.27
Cutout download processed 3.59
Global aperture construction processed 0.2
Local aperture photometry failed 0.18
Global aperture photometry processed 0.98
Validate local photometry not processed None
Validate global photometry processed 1.5
Host information processed 0.09
Global host SED inference processed 471.96
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.08
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) = 20h03m40.18s, -61d55m08.44s
semi major axis, semi minor axis (arcsec) = 1.22, 1.22
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) = 20h03m40.03s, -61d55m06.43s
semi major axis, semi minor axis (arcsec) = 8.61, 5.19
angle (degrees, anti-clockwise from east) = -44.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.44 1.86 21.721 0.272 AB
GALEX_NUV 25.26 0.88 20.394 0.038 AB
2MASS_J 1097.29 175.12 15.404 0.173 Vega
2MASS_H 1049.23 299.29 14.980 0.310 Vega
2MASS_K 889.34 283.99 14.690 0.347 Vega
WISE_W1 477.76 42.35 14.503 0.096 Vega
WISE_W2 297.35 21.65 14.378 0.079 Vega
WISE_W3 1357.9 111.4 10.894 0.089 Vega
WISE_W4 3669.17 674.27 8.369 0.200 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})\, 9.892 10.131 10.318
{\rm log}_{10}({\rm SFR}) 0.040 0.388 0.824
{\rm log}_{10}({\rm sSFR}) -10.189 -9.746 -9.142
{\rm stellar\ age} 3.196 6.242 8.269

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.871 -0.306 0.010
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.101 -0.319 0.168

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.237 0.336 0.496
\delta -0.895 -0.704 -0.435
\tau_1/\tau_2 0.513 0.940 1.414
Q_{PAH} 0.322 0.814 1.777
U_{min} 2.326 6.748 13.580
{\rm log}_{10}(\gamma_e)\, -3.540 -2.646 -1.641

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.495 -3.593 -2.401
{\rm log}_{10}(\tau_{AGN})\, 0.980 1.488 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.006 0.502 0.736
0.03-0.10 Gyr -0.579 0.282 0.909
0.10-0.33 Gyr -0.958 0.052 0.598
0.33-1.07 Gyr -1.236 -0.023 0.605
1.07-3.48 Gyr -0.842 0.018 0.403
3.48-11.35 Gyr -0.763 0.096 0.455
11.35-12.61 Gyr -0.878 0.182 0.925