2025aggg

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Information

Transient

Name: AT2025aggg
Right ascension: 0h47m56.98s
Declination: -30d28m37.45s
Discovery Date: Dec. 9, 2025, 7:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name: 172926
Right ascension: 0h47m57.08s
Declination: -30d28m33.63s
Redshift: 0.058017
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 8.62
Transient MWEBV processed 0.1
Host match processed 6.12
Host information processed 0.18
Host MWEBV processed 0.11
Global aperture construction processed 0.62
Global aperture photometry processed 5.78
Validate global photometry processed 12.49
Global host SED inference processed 691.96
Local aperture photometry processed 5.79
Validate local photometry processed 0.02
Local host SED inference processed 431.97
 

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) = 0h47m56.98s, -30d28m37.45s
semi major axis, semi minor axis (arcsec) = 1.78, 1.78
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 55.48 0.27 19.540 0.005 AB
PanSTARRS_r 115.67 1.18 18.742 0.011 AB
DES_r 125.14 0.51 18.657 0.004 AB
PanSTARRS_i 174.4 0.86 18.296 0.005 AB
PanSTARRS_z 219.77 3.08 18.045 0.015 AB
DES_z 219.35 1.94 18.047 0.010 AB
PanSTARRS_y 270.38 8.02 17.820 0.032 AB

Aperture details

RA, DEC (J2000) = 0h47m57.10s, -30d28m34.42s
semi major axis, semi minor axis (arcsec) = 5.45, 4.64
angle (degrees, anti-clockwise from east) = -167.67

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.75 1.75 22.000 0.330 AB
GALEX_NUV 9.82 1.59 21.420 0.176 AB
DES_g 893.23 1.04 16.523 0.001 AB
DES_r 2128.95 2.06 15.580 0.001 AB
PanSTARRS_i 2833.42 2.51 15.269 0.001 AB
PanSTARRS_z 3548.15 8.76 15.025 0.003 AB
DES_z 3907.52 8.1 14.920 0.002 AB
PanSTARRS_y 4418.59 22.25 14.787 0.005 AB
2MASS_J 5792.85 138.79 13.598 0.026 Vega
2MASS_H 7202.3 211.06 12.889 0.032 Vega
2MASS_K 5980.87 232.9 12.620 0.042 Vega
WISE_W1 2313.25 25.29 12.790 0.012 Vega
WISE_W2 1351.06 27.3 12.734 0.022 Vega
WISE_W3 331.29 65.37 12.425 0.214 Vega
WISE_W4 45.16 353.18 13.143 8.491 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})\, 9.535 9.653 9.807
{\rm log}_{10}({\rm SFR}) -1.818 -0.948 -0.322
{\rm log}_{10}({\rm sSFR}) -11.579 -10.661 -9.967
{\rm stellar\ age} 6.703 7.987 11.111

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.650 -1.040 -0.597
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.745 -0.363 0.333

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.528 0.926 1.304
\delta -0.570 -0.229 0.122
\tau_1/\tau_2 0.669 1.027 1.365
Q_{PAH} 0.889 2.788 5.280
U_{min} 2.643 7.775 14.835
{\rm log}_{10}(\gamma_e)\, -3.213 -2.070 -0.832

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.897 -1.988 -0.649
{\rm log}_{10}(\tau_{AGN})\, 1.007 1.443 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.076 -1.110 -0.605
0.03-0.10 Gyr -2.044 -0.976 -0.224
0.10-0.33 Gyr -2.296 -1.106 -0.349
0.33-1.08 Gyr -2.664 -1.207 -0.509
1.08-3.55 Gyr -2.535 -0.890 -0.337
3.55-11.69 Gyr -0.842 -0.265 -0.050
11.69-12.98 Gyr -0.637 0.019 0.794

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.881 10.930 10.952
{\rm log}_{10}({\rm SFR}) -2.103 -1.504 -1.006
{\rm log}_{10}({\rm sSFR}) -13.025 -12.456 -11.918
{\rm stellar\ age} 10.879 12.300 12.331

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.605 -0.502 -0.409
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.372 -0.496 0.211

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.071 0.133 0.214
\delta -0.918 -0.741 -0.485
\tau_1/\tau_2 0.543 0.961 1.423
Q_{PAH} 0.405 1.439 3.200
U_{min} 2.987 8.695 16.392
{\rm log}_{10}(\gamma_e)\, -2.688 -1.288 -0.497

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.585 -3.779 -2.780
{\rm log}_{10}(\tau_{AGN})\, 1.066 1.570 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.576 -1.654 -1.134
0.03-0.10 Gyr -2.895 -1.590 -0.924
0.10-0.33 Gyr -4.320 -2.067 -1.167
0.33-1.08 Gyr -5.715 -2.722 -1.492
1.08-3.55 Gyr -4.464 -2.378 -1.125
3.55-11.69 Gyr -2.297 -1.045 0.711
11.69-12.98 Gyr 1.860 2.066 2.093