2025gjt

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Information

Transient

Name: AT2025gjt
Right ascension: 9h16m20.20s
Declination: 52d24m56.65s
Discovery Date: April 1, 2025, 6:02 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name: 2025gjt
Right ascension: 9h16m19.98s
Declination: 52d24m59.92s
Redshift: None
Photometric Redshift: 0.196
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.7
Cutout download processed 17.09
Global aperture construction processed 0.64
Local aperture photometry processed 5.62
Global aperture photometry processed 5.49
Validate local photometry no valid phot 0.02
Validate global photometry processed 17.45
Host information processed 0.08
Global host SED inference processed 497.33
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.05
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) = 9h16m20.20s, 52d24m56.65s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
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) = 9h16m19.97s, 52d24m59.98s
semi major axis, semi minor axis (arcsec) = 4.55, 2.79
angle (degrees, anti-clockwise from east) = -26.91

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.27 3.64 21.093 0.298 AB
GALEX_NUV 18.52 1.87 20.731 0.110 AB
SDSS_u 19.07 8.77 20.699 0.499 AB
SDSS_g 35.75 4.17 20.017 0.127 AB
PanSTARRS_g 36.37 0.84 19.998 0.025 AB
SDSS_r 50.59 4.09 19.640 0.088 AB
PanSTARRS_r 41.71 1.19 19.849 0.031 AB
SDSS_i 40.39 5.72 19.884 0.154 AB
PanSTARRS_i 48.08 0.93 19.695 0.021 AB
PanSTARRS_z 54.01 2.71 19.569 0.054 AB
SDSS_z 66.41 12.83 19.344 0.210 AB
PanSTARRS_y 36.29 6.94 20.000 0.208 AB
2MASS_J 40.86 89.32 18.977 2.374 Vega
2MASS_H -31.63 146.28 Vega
2MASS_K -34.54 134.42 Vega
WISE_W1 18.06 5.89 18.059 0.354 Vega
WISE_W2 1.42 9.62 20.183 7.378 Vega
WISE_W3 17.27 45.47 15.633 2.858 Vega
WISE_W4 -409.21 294.95 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})\, 9.148 9.464 9.646
{\rm log}_{10}({\rm SFR}) 0.340 0.927 1.316
{\rm log}_{10}({\rm sSFR}) -9.214 -8.485 -7.952
{\rm stellar\ age} 0.142 0.955 4.746

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.691 -1.319 -0.829
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.548 -0.627 0.181

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.157 0.461 0.830
\delta -0.145 0.151 0.308
\tau_1/\tau_2 0.489 1.001 1.521
Q_{PAH} 0.922 2.736 5.076
U_{min} 4.252 11.019 18.656
{\rm log}_{10}(\gamma_e)\, -3.064 -1.788 -0.561

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.796 -1.729 -0.695
{\rm log}_{10}(\tau_{AGN})\, 1.091 1.463 1.871

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.899 -1.654 -0.747
0.03-0.10 Gyr 0.498 1.090 1.478
0.10-0.32 Gyr -2.163 0.197 0.990
0.32-1.01 Gyr -3.698 -1.186 0.097
1.01-3.21 Gyr -4.994 -2.082 -0.403
3.21-10.22 Gyr -5.495 -2.290 -0.604
10.22-11.35 Gyr -5.831 -2.108 -0.099