2025agfs

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Information

Transient

Name: AT2025agfs
Right ascension: 2h09m29.52s
Declination: -22d43m38.84s
Discovery Date: Dec. 9, 2025, 8:57 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name:
Right ascension: 2h09m29.76s
Declination: -22d43m41.88s
Redshift: None
Photometric Redshift: 0.090
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.48
Transient MWEBV processed 0.13
Host match processed 6.61
Host information processed 0.12
Host MWEBV processed 0.13
Global aperture construction processed 0.63
Global aperture photometry processed 4.47
Validate global photometry processed 12.12
Global host SED inference processed 437.34
Local aperture photometry processed 4.42
Validate local photometry processed 0.02
Local host SED inference processed 448.1
 

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) = 2h09m29.52s, -22d43m38.84s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 13.69 0.33 21.059 0.026 AB
DES_r 12.36 0.13 21.170 0.012 AB
PanSTARRS_i 18.08 0.33 20.757 0.020 AB
PanSTARRS_z 23.6 0.8 20.468 0.037 AB
PanSTARRS_y 27.19 1.78 20.314 0.071 AB

Aperture details

RA, DEC (J2000) = 2h09m29.73s, -22d43m41.79s
semi major axis, semi minor axis (arcsec) = 9.32, 7.73
angle (degrees, anti-clockwise from east) = -37.79

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 29.15 2.99 20.239 0.112 AB
GALEX_NUV 32.75 0.8 20.112 0.027 AB
PanSTARRS_g 298.92 1.87 17.711 0.007 AB
DES_r 578.91 0.91 16.993 0.002 AB
PanSTARRS_i 720.14 2.32 16.756 0.003 AB
PanSTARRS_z 913.52 5.62 16.498 0.007 AB
PanSTARRS_y 980.92 12.74 16.421 0.014 AB
2MASS_J 1330.47 184.8 15.195 0.151 Vega
2MASS_H 1806.76 293.81 14.390 0.177 Vega
2MASS_K 906.65 308.35 14.669 0.369 Vega
WISE_W1 575.19 21.65 14.301 0.041 Vega
WISE_W2 342.26 25.51 14.225 0.081 Vega
WISE_W3 632.32 79.75 11.724 0.137 Vega
WISE_W4 308.34 341.15 11.057 1.201 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})\, 8.807 9.043 9.187
{\rm log}_{10}({\rm SFR}) -1.860 -1.074 -0.530
{\rm log}_{10}({\rm sSFR}) -10.895 -10.145 -9.513
{\rm stellar\ age} 2.531 6.460 8.254

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.212 -0.508 -0.071
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.209 -0.728 -0.237

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.620 1.181 1.658
\delta -0.196 0.099 0.288
\tau_1/\tau_2 0.603 0.982 1.340
Q_{PAH} 1.406 3.556 5.660
U_{min} 3.096 8.241 15.740
{\rm log}_{10}(\gamma_e)\, -2.895 -1.757 -0.600

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.181 -0.527 0.121
{\rm log}_{10}(\tau_{AGN})\, 1.133 1.534 1.988

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.191 -1.215 -0.631
0.03-0.10 Gyr -2.208 -1.150 -0.487
0.10-0.33 Gyr -2.167 -1.123 -0.382
0.33-1.06 Gyr -2.450 -1.158 -0.496
1.06-3.47 Gyr -2.462 -1.071 -0.708
3.47-11.32 Gyr -2.176 -0.925 -0.658
11.32-12.58 Gyr -2.174 -0.956 -0.220

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.498 10.552 10.644
{\rm log}_{10}({\rm SFR}) -0.163 0.177 0.523
{\rm log}_{10}({\rm sSFR}) -10.709 -10.379 -10.016
{\rm stellar\ age} 7.455 8.904 11.617

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.756 -0.566 -0.441
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.646 -0.485 0.300

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.061 0.130 0.236
\delta -0.564 -0.194 0.116
\tau_1/\tau_2 0.603 1.050 1.471
Q_{PAH} 0.848 2.318 4.381
U_{min} 2.593 7.971 15.670
{\rm log}_{10}(\gamma_e)\, -2.368 -1.333 -0.512

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.338 -3.200 -2.087
{\rm log}_{10}(\tau_{AGN})\, 1.175 1.690 2.012

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.407 -0.795 -0.340
0.03-0.10 Gyr -0.071 0.323 0.684
0.10-0.33 Gyr -1.552 -0.071 0.312
0.33-1.06 Gyr -2.741 -0.506 -0.046
1.06-3.47 Gyr -2.539 -0.509 0.064
3.47-11.32 Gyr -0.523 0.639 0.796
11.32-12.58 Gyr 0.540 1.270 1.767