2025afym

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Information

Transient

Name: AT2025afym
Right ascension: 23h55m37.94s
Declination: 4d52m34.59s
Discovery Date: Dec. 5, 2025, 1:49 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name:
Right ascension: 23h55m37.85s
Declination: 4d52m35.33s
Redshift: None
Photometric Redshift: 0.074
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.94
Transient MWEBV processed 0.09
Host match processed 6.1
Host information processed 0.14
Host MWEBV processed 0.1
Global aperture construction processed 0.65
Global aperture photometry processed 5.5
Validate global photometry processed 14.92
Global host SED inference processed 390.71
Local aperture photometry processed 5.25
Validate local photometry processed 0.02
Local host SED inference processed 464.31
 

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) = 23h55m37.94s, 4d52m34.59s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 25.65 0.39 20.377 0.016 AB
SDSS_r 41.68 1.8 19.850 0.047 AB
PanSTARRS_r 41.1 0.3 19.865 0.008 AB
SDSS_i 59.88 2.28 19.457 0.041 AB
PanSTARRS_i 55.01 0.38 19.549 0.007 AB
PanSTARRS_z 69.08 1.16 19.302 0.018 AB
SDSS_z 79.06 5.04 19.155 0.069 AB
PanSTARRS_y 73.56 2.26 19.233 0.033 AB

Aperture details

RA, DEC (J2000) = 23h55m37.83s, 4d52m35.71s
semi major axis, semi minor axis (arcsec) = 10.73, 5.3
angle (degrees, anti-clockwise from east) = -31.28

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 25.23 3.17 20.395 0.136 AB
GALEX_NUV 26.28 2.3 20.351 0.095 AB
SDSS_u 55.97 5.68 19.530 0.110 AB
SDSS_g 202.77 4.19 18.133 0.022 AB
PanSTARRS_g 208.03 2.0 18.105 0.010 AB
SDSS_r 303.16 5.78 17.696 0.021 AB
PanSTARRS_r 305.09 1.53 17.689 0.005 AB
SDSS_i 420.56 7.9 17.340 0.020 AB
PanSTARRS_i 403.83 1.95 17.384 0.005 AB
PanSTARRS_z 484.75 6.1 17.186 0.014 AB
SDSS_z 464.17 24.82 17.233 0.058 AB
PanSTARRS_y 510.08 11.88 17.131 0.025 AB
2MASS_J 629.91 182.33 16.007 0.314 Vega
2MASS_H 824.14 297.15 15.242 0.391 Vega
2MASS_K 454.81 309.54 15.418 0.739 Vega
WISE_W1 263.19 17.55 15.150 0.072 Vega
WISE_W2 138.43 21.07 15.208 0.165 Vega
WISE_W3 484.18 121.83 12.013 0.273 Vega
WISE_W4 744.54 521.72 10.100 0.761 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})\, 8.941 9.135 9.232
{\rm log}_{10}({\rm SFR}) -2.714 -1.340 -0.370
{\rm log}_{10}({\rm sSFR}) -11.713 -10.529 -9.480
{\rm stellar\ age} 0.792 5.653 7.269

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.500 -0.621 -0.151
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.518 -0.758 -0.010

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.209 0.732 1.356
\delta -0.461 -0.048 0.253
\tau_1/\tau_2 0.670 1.056 1.438
Q_{PAH} 0.762 2.156 4.505
U_{min} 3.442 8.955 16.911
{\rm log}_{10}(\gamma_e)\, -2.849 -1.527 -0.410

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.571 -0.619 -0.131
{\rm log}_{10}(\tau_{AGN})\, 1.140 1.511 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.868 -1.923 -1.361
0.03-0.10 Gyr -2.896 -1.257 -0.216
0.10-0.33 Gyr -1.744 -0.798 0.044
0.33-1.07 Gyr -1.750 -0.813 -0.150
1.07-3.51 Gyr -2.906 -0.844 -0.509
3.51-11.49 Gyr -3.917 -0.922 -0.649
11.49-12.77 Gyr -4.062 -0.981 -0.389

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.944 10.001 10.067
{\rm log}_{10}({\rm SFR}) -0.514 -0.257 0.001
{\rm log}_{10}({\rm sSFR}) -10.520 -10.266 -10.020
{\rm stellar\ age} 6.732 7.434 8.551

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.091 -0.851 -0.677
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.470 -0.849 -0.162

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.072 0.148 0.280
\delta -0.274 0.053 0.276
\tau_1/\tau_2 0.689 1.023 1.373
Q_{PAH} 0.700 2.123 4.083
U_{min} 2.596 7.321 14.195
{\rm log}_{10}(\gamma_e)\, -2.026 -1.074 -0.379

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.231 -3.144 -2.093
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.609 1.963

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.902 -0.660 -0.503
0.03-0.10 Gyr -0.482 -0.148 0.141
0.10-0.33 Gyr -0.395 -0.124 0.109
0.33-1.07 Gyr -0.570 -0.273 -0.067
1.07-3.51 Gyr -0.559 -0.184 0.039
3.51-11.49 Gyr 0.007 0.164 0.259
11.49-12.77 Gyr -0.126 0.299 0.744