2025affg

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Information

Transient

Name: AT2025affg
Right ascension: 12h12m08.29s
Declination: 58d09m50.78s
Discovery Date: Nov. 25, 2025, 2:27 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name: 2575318
Right ascension: 12h12m08.19s
Declination: 58d09m50.70s
Redshift: 0.089154
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.49
Transient MWEBV processed 0.06
Host match processed 4.75
Host information processed 0.06
Host MWEBV processed 0.05
Global aperture construction processed 0.69
Global aperture photometry processed 6.12
Validate global photometry processed 16.55
Global host SED inference processed 527.28
Local aperture photometry processed 6.12
Validate local photometry processed 0.03
Local host SED inference processed 508.31
 

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) = 12h12m08.29s, 58d09m50.78s
semi major axis, semi minor axis (arcsec) = 1.2, 1.2
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 93.88 0.72 18.969 0.008 AB
PanSTARRS_r 226.1 0.56 18.014 0.003 AB
PanSTARRS_i 331.97 0.43 17.597 0.001 AB
PanSTARRS_z 443.73 0.87 17.282 0.002 AB
DES_z 464.32 3.96 17.233 0.009 AB
PanSTARRS_y 456.76 2.01 17.251 0.005 AB

Aperture details

RA, DEC (J2000) = 12h12m08.06s, 58d09m51.27s
semi major axis, semi minor axis (arcsec) = 11.3, 5.5
angle (degrees, anti-clockwise from east) = -46.69

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.22 1.52 23.033 0.741 AB
GALEX_NUV 8.85 1.49 21.533 0.183 AB
SDSS_u 128.45 5.81 18.628 0.049 AB
SDSS_g 610.9 6.71 16.935 0.012 AB
DES_g 627.45 1.88 16.906 0.003 AB
PanSTARRS_g 661.18 2.01 16.849 0.003 AB
SDSS_r 1230.96 9.66 16.174 0.009 AB
PanSTARRS_r 1211.22 3.09 16.192 0.003 AB
SDSS_i 1719.41 12.3 15.812 0.008 AB
PanSTARRS_i 1691.64 2.37 15.829 0.002 AB
PanSTARRS_z 2103.69 5.08 15.593 0.003 AB
DES_z 2144.95 8.85 15.571 0.004 AB
2MASS_J 3317.68 227.98 14.203 0.075 Vega
2MASS_H 3813.29 307.37 13.579 0.088 Vega
2MASS_K 3048.71 353.4 13.352 0.126 Vega
WISE_W1 1294.5 19.9 13.421 0.017 Vega
WISE_W2 744.61 21.74 13.381 0.032 Vega
WISE_W3 140.59 72.01 13.356 0.556 Vega
WISE_W4 659.9 423.46 10.231 0.697 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})\, 10.281 10.385 10.488
{\rm log}_{10}({\rm SFR}) -2.758 -1.244 -0.444
{\rm log}_{10}({\rm sSFR}) -13.078 -11.609 -10.810
{\rm stellar\ age} 7.409 10.118 11.931

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.442 -0.925 -0.634
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.606 -0.895 -0.075

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.375 0.637 0.964
\delta -0.729 -0.419 -0.083
\tau_1/\tau_2 0.539 0.982 1.408
Q_{PAH} 0.570 2.094 5.167
U_{min} 2.954 8.266 15.799
{\rm log}_{10}(\gamma_e)\, -3.442 -2.640 -0.894

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.208 -1.008 -0.241
{\rm log}_{10}(\tau_{AGN})\, 1.085 1.333 1.763

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.886 -1.543 -0.722
0.03-0.10 Gyr -3.511 -1.341 -0.389
0.10-0.33 Gyr -4.263 -1.587 -0.449
0.33-1.06 Gyr -5.172 -1.889 -0.517
1.06-3.47 Gyr -4.136 -1.740 -0.091
3.47-11.33 Gyr -1.784 0.200 0.602
11.33-12.59 Gyr 0.198 1.329 1.622

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.881 10.964 11.081
{\rm log}_{10}({\rm SFR}) -6.813 -2.915 -0.982
{\rm log}_{10}({\rm sSFR}) -17.715 -13.904 -12.021
{\rm stellar\ age} 7.327 8.563 11.937

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.771 -1.360 -0.994
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.485 -0.627 0.143

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.220 0.376 0.507
\delta -0.703 -0.401 -0.190
\tau_1/\tau_2 0.533 1.024 1.529
Q_{PAH} 0.805 2.724 5.350
U_{min} 3.843 11.265 19.186
{\rm log}_{10}(\gamma_e)\, -2.341 -1.215 -0.486

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.352 -3.262 -2.266
{\rm log}_{10}(\tau_{AGN})\, 1.072 1.579 1.981

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -8.105 -3.882 -1.287
0.03-0.10 Gyr -7.495 -3.686 -1.002
0.10-0.33 Gyr -6.769 -3.612 -0.841
0.33-1.06 Gyr -5.729 -3.095 -0.685
1.06-3.47 Gyr -3.534 -1.551 0.507
3.47-11.33 Gyr -1.368 0.953 1.261
11.33-12.59 Gyr -1.205 1.542 2.228