2025aggs

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Information

Transient

Name: AT2025aggs
Right ascension: 3h09m37.50s
Declination: -8d27m23.02s
Discovery Date: Dec. 9, 2025, 11:12 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.066

Host

Name:
Right ascension: 3h09m37.69s
Declination: -8d27m13.90s
Redshift: None
Photometric Redshift: 0.027
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.86
Transient MWEBV processed 0.05
Host match processed 5.81
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 6.99
Validate global photometry processed 18.62
Global host SED inference processed 370.3
Local aperture photometry processed 6.78
Validate local photometry processed 0.03
Local host SED inference processed 458.84
 

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) = 3h09m37.50s, -8d27m23.02s
semi major axis, semi minor axis (arcsec) = 3.65, 3.65
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 48.97 3.17 19.675 0.070 AB
SDSS_g 203.17 3.94 18.130 0.021 AB
DES_g 221.48 0.57 18.037 0.003 AB
PanSTARRS_g 218.96 1.07 18.049 0.005 AB
SDSS_r 394.0 5.54 17.411 0.015 AB
PanSTARRS_r 405.84 1.16 17.379 0.003 AB
DES_r 448.86 1.14 17.270 0.003 AB
SDSS_i 592.44 7.11 16.968 0.013 AB
PanSTARRS_i 594.09 1.36 16.965 0.002 AB
PanSTARRS_z 755.01 2.78 16.705 0.004 AB
SDSS_z 798.64 14.76 16.644 0.020 AB
DES_z 812.02 3.63 16.626 0.005 AB
PanSTARRS_y 933.44 6.34 16.475 0.007 AB
2MASS_J 1162.54 90.05 15.342 0.084 Vega
2MASS_H 1483.43 141.09 14.604 0.103 Vega
2MASS_K 1217.11 166.14 14.349 0.148 Vega

Aperture details

RA, DEC (J2000) = 3h09m37.68s, -8d27m13.40s
semi major axis, semi minor axis (arcsec) = 28.48, 7.4
angle (degrees, anti-clockwise from east) = -165.61

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 46.61 2.08 19.729 0.048 AB
GALEX_NUV 77.08 1.62 19.183 0.023 AB
SDSS_u 333.74 11.71 17.591 0.038 AB
SDSS_g 1590.86 11.78 15.896 0.008 AB
DES_g 1493.45 1.62 15.965 0.001 AB
PanSTARRS_g 1752.84 4.24 15.791 0.003 AB
SDSS_r 3197.6 16.82 15.138 0.006 AB
PanSTARRS_r 3283.3 4.43 15.109 0.001 AB
DES_r 3136.64 3.17 15.159 0.001 AB
SDSS_i 4728.4 22.14 14.713 0.005 AB
PanSTARRS_i 4740.58 5.27 14.710 0.001 AB
PanSTARRS_z 6154.54 11.01 14.427 0.002 AB
SDSS_z 6579.02 55.27 14.355 0.009 AB
DES_z 5883.14 10.09 14.476 0.002 AB
PanSTARRS_y 7558.87 25.16 14.204 0.004 AB
2MASS_J 9579.15 367.68 13.052 0.042 Vega
2MASS_H 13273.11 576.17 12.225 0.047 Vega
2MASS_K 11290.09 680.74 11.930 0.065 Vega
WISE_W1 5772.57 39.37 11.798 0.007 Vega
WISE_W2 3694.85 46.21 11.642 0.014 Vega
WISE_W3 14756.56 150.24 8.304 0.011 Vega
WISE_W4 15002.48 1050.23 6.840 0.076 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})\, 9.368 9.510 9.625
{\rm log}_{10}({\rm SFR}) -1.346 -0.792 -0.292
{\rm log}_{10}({\rm sSFR}) -10.844 -10.298 -9.732
{\rm stellar\ age} 5.889 7.617 9.854

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.453 -0.865 -0.368
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.547 -0.718 -0.091

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.382 0.979 1.295
\delta -0.424 -0.058 0.261
\tau_1/\tau_2 0.652 0.980 1.326
Q_{PAH} 0.343 1.417 3.388
U_{min} 2.820 8.181 15.305
{\rm log}_{10}(\gamma_e)\, -3.166 -2.036 -1.040

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.209 -2.032 -0.533
{\rm log}_{10}(\tau_{AGN})\, 1.017 1.472 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.410 -0.856 -0.492
0.03-0.10 Gyr -1.529 -0.793 -0.209
0.10-0.33 Gyr -1.659 -0.905 -0.279
0.33-1.10 Gyr -1.784 -0.900 -0.352
1.10-3.64 Gyr -1.657 -0.674 -0.293
3.64-12.05 Gyr -0.955 -0.427 -0.237
12.05-13.39 Gyr -0.938 -0.290 0.395

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.373 10.428 10.495
{\rm log}_{10}({\rm SFR}) -0.263 0.113 0.357
{\rm log}_{10}({\rm sSFR}) -10.727 -10.321 -10.063
{\rm stellar\ age} 7.356 8.141 10.320

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.798 -0.586 -0.414
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.526 -0.530 0.203

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.582 0.721 0.892
\delta -0.100 -0.001 0.101
\tau_1/\tau_2 0.682 1.048 1.417
Q_{PAH} 1.047 1.940 3.208
U_{min} 2.475 7.049 14.473
{\rm log}_{10}(\gamma_e)\, -2.906 -1.973 -1.467

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.315 -1.775 -1.399
{\rm log}_{10}(\tau_{AGN})\, 1.232 1.660 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.132 -0.735 -0.282
0.03-0.10 Gyr -0.185 0.244 0.512
0.10-0.33 Gyr -0.216 0.168 0.451
0.33-1.10 Gyr -0.437 -0.012 0.231
1.10-3.64 Gyr -0.587 0.023 0.346
3.64-12.05 Gyr 0.258 0.553 0.659
12.05-13.39 Gyr 0.271 0.782 1.387