2025agai

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Information

Transient

Name: AT2025agai
Right ascension: 8h44m58.53s
Declination: 1d40m29.88s
Discovery Date: Dec. 8, 2025, 10:27 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: 1202251
Right ascension: 8h44m58.56s
Declination: 1d40m27.88s
Redshift: None
Photometric Redshift: 0.070
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 21.84
Transient MWEBV processed 0.04
Host match processed 4.08
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.63
Validate global photometry processed 18.86
Global host SED inference processed 416.29
Local aperture photometry processed 6.54
Validate local photometry processed 0.03
Local host SED inference processed 466.54
 

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) = 8h44m58.53s, 1d40m29.88s
semi major axis, semi minor axis (arcsec) = 1.5, 1.5
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 52.83 1.95 19.593 0.040 AB
DES_g 56.23 0.28 19.525 0.005 AB
PanSTARRS_g 59.06 0.39 19.472 0.007 AB
SDSS_r 115.11 2.92 18.747 0.028 AB
PanSTARRS_r 114.99 0.51 18.748 0.005 AB
DES_r 126.14 0.8 18.648 0.007 AB
SDSS_i 169.43 3.66 18.328 0.023 AB
PanSTARRS_i 173.91 0.58 18.299 0.004 AB
PanSTARRS_z 221.57 1.21 18.036 0.006 AB
SDSS_z 225.6 8.29 18.017 0.040 AB
DES_z 253.65 2.43 17.889 0.010 AB
PanSTARRS_y 270.4 4.1 17.820 0.016 AB

Aperture details

RA, DEC (J2000) = 8h44m58.50s, 1d40m27.91s
semi major axis, semi minor axis (arcsec) = 9.97, 3.19
angle (degrees, anti-clockwise from east) = -167.86

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.01 0.5 22.703 0.180 AB
GALEX_NUV 5.92 0.45 21.970 0.082 AB
SDSS_u 57.08 6.08 19.509 0.116 AB
SDSS_g 225.93 4.39 18.015 0.021 AB
DES_g 231.99 0.62 17.986 0.003 AB
PanSTARRS_g 245.42 1.34 17.925 0.006 AB
SDSS_r 488.94 6.66 17.177 0.015 AB
PanSTARRS_r 485.27 1.72 17.185 0.004 AB
DES_r 511.3 1.68 17.128 0.004 AB
SDSS_i 728.39 8.78 16.744 0.013 AB
PanSTARRS_i 723.13 1.99 16.752 0.003 AB
PanSTARRS_z 896.98 4.31 16.518 0.005 AB
SDSS_z 922.32 28.73 16.488 0.034 AB
DES_z 952.94 4.91 16.452 0.006 AB
PanSTARRS_y 1033.05 15.05 16.365 0.016 AB
2MASS_J 1275.78 185.9 15.241 0.158 Vega
2MASS_H 2032.15 230.87 14.263 0.123 Vega
2MASS_K 1564.96 314.49 14.076 0.218 Vega
WISE_W1 790.95 25.5 13.956 0.035 Vega
WISE_W2 521.79 26.43 13.767 0.055 Vega
WISE_W3 1874.31 98.71 10.544 0.057 Vega
WISE_W4 1507.76 585.1 9.334 0.421 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})\, 9.713 9.832 9.950
{\rm log}_{10}({\rm SFR}) -1.804 -0.947 -0.342
{\rm log}_{10}({\rm sSFR}) -11.614 -10.776 -10.179
{\rm stellar\ age} 5.441 7.569 10.205

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.318 -0.519 -0.175
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.562 -0.405 0.266

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.280 0.745 1.419
\delta -0.568 -0.129 0.227
\tau_1/\tau_2 0.662 1.020 1.375
Q_{PAH} 0.933 2.619 5.241
U_{min} 2.831 7.920 15.084
{\rm log}_{10}(\gamma_e)\, -3.188 -2.030 -0.743

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.297 -1.126 -0.133
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.437 1.912

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.224 -1.269 -0.726
0.03-0.10 Gyr -2.040 -0.924 -0.236
0.10-0.33 Gyr -1.785 -0.798 -0.034
0.33-1.07 Gyr -1.894 -0.823 -0.022
1.07-3.52 Gyr -1.785 -0.537 0.025
3.52-11.55 Gyr -0.808 -0.097 0.106
11.55-12.83 Gyr -0.751 0.065 0.844

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.394 10.464 10.583
{\rm log}_{10}({\rm SFR}) -1.431 -0.880 -0.483
{\rm log}_{10}({\rm sSFR}) -11.916 -11.375 -10.910
{\rm stellar\ age} 7.533 8.611 12.043

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.268 -0.908 -0.679
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.672 -0.625 0.272

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.421 0.559 0.716
\delta -0.190 0.047 0.203
\tau_1/\tau_2 0.543 0.946 1.376
Q_{PAH} 1.440 3.087 4.917
U_{min} 2.429 8.116 16.357
{\rm log}_{10}(\gamma_e)\, -3.246 -2.193 -1.121

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.776 -1.798 -1.371
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.407 1.804

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.090 -0.909 -0.508
0.03-0.10 Gyr -2.431 -0.964 -0.423
0.10-0.33 Gyr -2.703 -0.997 -0.402
0.33-1.07 Gyr -3.646 -1.210 -0.441
1.07-3.52 Gyr -3.116 -0.888 0.052
3.52-11.55 Gyr -0.975 0.567 0.738
11.55-12.83 Gyr 0.143 1.003 1.716