2025gtd results

Information

Transient
Name:AT2025gtd
Right ascension: 8h24m52.41s
Declination:2d53m39.58s
Discovery Date:April 4, 2025, 12:05 a.m.
Classification:None
Redshift:None
MW E(B-V):0.035
Host
Name:2025gtd
Right ascension: 8h24m52.68s
Declination:2d53m56.06s
Redshift:None
Photometric Redshift:0.127
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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_z
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 19.23
Transient MWEBV processed 0.11
Host match processed 2.25
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 6.86
Validate global photometry processed 18.41
Global host SED inference processed 449.54
Local aperture photometry processed 6.66
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):8h24m52.67s, 2d53m56.21s
semi major axis, semi minor axis (arcsec):5.85, 4.93
angle (degrees, anti-clockwise from east):-13.52
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 24.86 4.12 20.411 0.180 AB
SDSS_g 92.52 2.95 18.984 0.035 AB
DES_g 95.07 0.59 18.955 0.007 AB
PanSTARRS_g 99.29 1.33 18.908 0.015 AB
SDSS_r 180.48 4.2 18.259 0.025 AB
PanSTARRS_r 183.95 1.3 18.238 0.008 AB
DES_r 201.44 1.28 18.140 0.007 AB
SDSS_i 275.45 5.79 17.800 0.023 AB
PanSTARRS_i 264.92 2.02 17.842 0.008 AB
PanSTARRS_z 336.88 3.46 17.581 0.011 AB
SDSS_z 323.04 17.3 17.627 0.058 AB
DES_z 360.72 3.65 17.507 0.011 AB
PanSTARRS_y 426.83 9.65 17.324 0.025 AB
2MASS_J 317.7 168.1 16.750 0.574 Vega
2MASS_H 685.03 204.51 15.443 0.324 Vega
2MASS_K 1162.34 284.89 14.399 0.266 Vega
WISE_W1 211.34 13.74 15.389 0.071 Vega
WISE_W2 125.17 19.52 15.317 0.169 Vega
WISE_W3 125.22 105.0 13.482 0.910 Vega
WISE_W4 527.59 546.35 10.474 1.124 Vega
 

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})\, 10.145 10.312 10.402
{\rm log}_{10}({\rm SFR}) -0.793 0.089 0.800
{\rm log}_{10}({\rm sSFR}) -11.113 -10.230 -9.433
{\rm stellar\ age} 4.414 6.375 7.690

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.104 -0.711 -0.485
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.004 0.044 0.342

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.268 0.468 0.777
\delta -0.902 -0.710 -0.457
\tau_1/\tau_2 0.605 0.983 1.393
Q_{PAH} 0.337 1.165 3.096
U_{min} 2.561 7.709 14.677
{\rm log}_{10}(\gamma_e)\, -3.000 -1.804 -0.839

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.355 -3.248 -2.070
{\rm log}_{10}(\tau_{AGN})\, 1.122 1.589 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.866 -0.662 -0.243
0.03-0.10 Gyr -0.807 0.204 0.958
0.10-0.32 Gyr -0.544 0.366 0.931
0.32-1.04 Gyr -0.732 0.154 0.552
1.04-3.38 Gyr -0.460 0.264 0.576
3.38-10.92 Gyr -0.315 0.403 0.612
10.92-12.13 Gyr -0.527 0.419 1.016