2025afil

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Information

Transient

Name: AT2025afil
Right ascension: 21h57m31.99s
Declination: -4d29m27.92s
Discovery Date: Nov. 30, 2025, 8:14 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 21h57m31.97s
Declination: -4d29m28.02s
Redshift: None
Photometric Redshift: 0.084
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 14.91
Transient MWEBV processed 0.04
Host match processed 4.95
Host information processed 0.11
Host MWEBV processed 0.09
Global aperture construction processed 0.63
Global aperture photometry processed 5.13
Validate global photometry processed 14.97
Global host SED inference processed 1535.66
Local aperture photometry processed 5.11
Validate local photometry processed 0.02
Local host SED inference processed 452.48
 

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) = 21h57m31.99s, -4d29m27.92s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
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 39.24 0.37 19.916 0.010 AB
SDSS_i 45.98 2.04 19.744 0.048 AB
PanSTARRS_i 55.52 0.37 19.539 0.007 AB
PanSTARRS_z 73.45 1.04 19.235 0.015 AB
DES_z 67.59 1.35 19.325 0.022 AB
PanSTARRS_y 66.68 2.23 19.340 0.036 AB

Aperture details

RA, DEC (J2000) = 21h57m31.96s, -4d29m27.82s
semi major axis, semi minor axis (arcsec) = 4.05, 3.37
angle (degrees, anti-clockwise from east) = -92.69

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV -0.01 0.34 AB
GALEX_NUV 0.62 0.43 24.426 0.757 AB
SDSS_u 25.67 3.57 20.376 0.151 AB
PanSTARRS_g 42.78 0.77 19.822 0.020 AB
SDSS_r 86.0 3.1 19.064 0.039 AB
PanSTARRS_r 90.87 1.01 19.004 0.012 AB
SDSS_i 117.08 4.14 18.729 0.038 AB
PanSTARRS_i 119.2 1.03 18.709 0.009 AB
PanSTARRS_z 143.17 2.93 18.510 0.022 AB
SDSS_z 143.04 12.57 18.511 0.095 AB
DES_z 151.31 2.11 18.450 0.015 AB
PanSTARRS_y 129.62 6.31 18.618 0.053 AB
2MASS_J 67.59 105.59 18.430 1.696 Vega
2MASS_H 447.81 189.25 15.905 0.459 Vega
2MASS_K 96.67 187.84 17.099 2.110 Vega
WISE_W1 56.84 11.08 16.814 0.212 Vega
WISE_W2 25.52 13.74 17.044 0.585 Vega
WISE_W3 -23.57 51.73 Vega
WISE_W4 153.59 364.07 11.814 2.573 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})\, 9.131 9.313 9.475
{\rm log}_{10}({\rm SFR}) -2.364 -1.421 -0.550
{\rm log}_{10}({\rm sSFR}) -11.629 -10.721 -9.783
{\rm stellar\ age} 3.503 6.565 8.639

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.408 -0.806 -0.313
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.547 -0.833 -0.075

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.261 0.602 1.043
\delta -0.590 -0.188 0.216
\tau_1/\tau_2 0.625 0.990 1.377
Q_{PAH} 0.884 2.672 5.485
U_{min} 3.300 8.568 15.901
{\rm log}_{10}(\gamma_e)\, -2.845 -1.586 -0.411

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.015 -0.538 -0.067
{\rm log}_{10}(\tau_{AGN})\, 1.146 1.545 1.982

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.179 -1.781 -1.165
0.03-0.10 Gyr -2.542 -1.393 -0.418
0.10-0.33 Gyr -2.419 -1.193 -0.422
0.33-1.07 Gyr -2.592 -0.931 -0.301
1.07-3.49 Gyr -2.461 -0.741 -0.377
3.49-11.39 Gyr -2.017 -0.669 -0.393
11.39-12.65 Gyr -1.881 -0.607 0.156

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.723 9.831 9.893
{\rm log}_{10}({\rm SFR}) -2.204 -1.009 -0.117
{\rm log}_{10}({\rm sSFR}) -11.938 -10.811 -9.861
{\rm stellar\ age} 8.082 11.714 12.002

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.615 -1.275 -0.944
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.988 0.212 0.443

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.062 0.219 0.458
\delta -0.732 -0.279 0.130
\tau_1/\tau_2 0.487 0.966 1.471
Q_{PAH} 1.001 2.495 4.393
U_{min} 3.168 9.420 17.591
{\rm log}_{10}(\gamma_e)\, -2.707 -1.588 -0.619

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.984 -0.814 -0.484
{\rm log}_{10}(\tau_{AGN})\, 1.455 1.753 1.983

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.629 -2.293 -1.093
0.03-0.10 Gyr -2.323 -0.896 0.028
0.10-0.33 Gyr -4.711 -2.434 -0.919
0.33-1.07 Gyr -7.408 -4.566 -1.739
1.07-3.49 Gyr -5.479 -3.327 -1.344
3.49-11.39 Gyr -2.982 -1.243 -0.056
11.39-12.65 Gyr 0.125 0.965 1.040