2025agtu

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Information

Transient

Name: AT2025agtu
Right ascension: 2h29m04.70s
Declination: -2d34m28.93s
Discovery Date: Dec. 14, 2025, 6 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name:
Right ascension: 2h29m04.71s
Declination: -2d34m29.08s
Redshift: None
Photometric Redshift: 0.080
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.77
Transient MWEBV processed 0.05
Host match processed 6.29
Host information processed 0.16
Host MWEBV processed 0.13
Global aperture construction processed 0.63
Global aperture photometry processed 5.82
Validate global photometry processed 16.2
Global host SED inference processed 425.7
Local aperture photometry processed 5.59
Validate local photometry processed 0.03
Local host SED inference processed 443.17
 

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) = 2h29m04.70s, -2d34m28.93s
semi major axis, semi minor axis (arcsec) = 1.32, 1.32
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 125.35 0.91 18.655 0.008 AB
PanSTARRS_g 122.09 0.44 18.683 0.004 AB
SDSS_r 248.78 4.15 17.910 0.018 AB
PanSTARRS_r 227.43 0.43 18.008 0.002 AB
SDSS_i 356.92 5.01 17.519 0.015 AB
PanSTARRS_i 349.87 0.55 17.540 0.002 AB
PanSTARRS_z 415.04 0.86 17.355 0.002 AB
SDSS_z 426.83 6.76 17.324 0.017 AB
PanSTARRS_y 498.05 2.58 17.157 0.006 AB

Aperture details

RA, DEC (J2000) = 2h29m04.69s, -2d34m29.00s
semi major axis, semi minor axis (arcsec) = 7.95, 5.07
angle (degrees, anti-clockwise from east) = -130.44

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 22.79 1.25 20.506 0.060 AB
GALEX_NUV 27.3 0.87 20.310 0.035 AB
SDSS_u 79.82 5.6 19.145 0.076 AB
SDSS_g 372.64 5.31 17.472 0.015 AB
DES_g 343.96 1.56 17.559 0.005 AB
PanSTARRS_g 390.81 1.81 17.420 0.005 AB
SDSS_r 713.51 7.63 16.767 0.012 AB
SDSS_i 1043.32 9.79 16.354 0.010 AB
PanSTARRS_i 1038.83 2.24 16.359 0.002 AB
PanSTARRS_z 1257.46 3.68 16.151 0.003 AB
SDSS_z 1349.75 22.05 16.074 0.018 AB
PanSTARRS_y 1544.29 12.11 15.928 0.009 AB
2MASS_J 2049.96 141.96 14.726 0.075 Vega
2MASS_H 2265.72 194.61 14.144 0.093 Vega
2MASS_K 2448.3 286.55 13.590 0.127 Vega
WISE_W1 890.9 16.86 13.826 0.021 Vega
WISE_W2 616.72 19.88 13.586 0.035 Vega
WISE_W3 715.41 61.32 11.590 0.093 Vega
WISE_W4 1627.93 430.04 9.251 0.287 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.903 10.090 10.225
{\rm log}_{10}({\rm SFR}) -0.583 -0.068 0.444
{\rm log}_{10}({\rm sSFR}) -10.730 -10.154 -9.478
{\rm stellar\ age} 3.617 6.707 8.405

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.489 -0.857 -0.398
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.698 -0.061 0.342

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.455 0.872 1.330
\delta -0.665 -0.352 0.001
\tau_1/\tau_2 0.662 1.013 1.383
Q_{PAH} 0.883 2.163 4.398
U_{min} 2.640 7.631 14.773
{\rm log}_{10}(\gamma_e)\, -3.437 -2.336 -0.967

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.096 -2.078 -0.773
{\rm log}_{10}(\tau_{AGN})\, 0.882 1.375 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.562 -0.209 0.116
0.03-0.10 Gyr -0.838 -0.045 0.543
0.10-0.33 Gyr -0.868 -0.047 0.558
0.33-1.07 Gyr -0.909 -0.034 0.497
1.07-3.50 Gyr -0.896 0.040 0.374
3.50-11.43 Gyr -0.710 0.122 0.365
11.43-12.70 Gyr -0.726 0.232 0.875

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.637 10.713 10.755
{\rm log}_{10}({\rm SFR}) -0.528 -0.247 0.052
{\rm log}_{10}({\rm sSFR}) -11.222 -10.933 -10.663
{\rm stellar\ age} 8.261 11.105 11.953

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.516 -0.398 -0.298
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.707 0.201 0.413

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.058 0.104 0.180
\delta -0.813 -0.511 -0.192
\tau_1/\tau_2 0.626 1.075 1.515
Q_{PAH} 0.821 2.299 4.239
U_{min} 2.354 7.275 14.316
{\rm log}_{10}(\gamma_e)\, -3.009 -2.115 -1.158

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.218 -3.132 -2.228
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.536 1.917

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.552 -0.291 -0.118
0.03-0.10 Gyr -0.743 -0.233 0.146
0.10-0.33 Gyr -1.517 -0.577 -0.145
0.33-1.07 Gyr -2.388 -1.001 -0.436
1.07-3.50 Gyr -2.308 -0.993 -0.310
3.50-11.43 Gyr -0.939 0.322 0.875
11.43-12.70 Gyr 1.057 1.770 1.892