2025afyh

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Information

Transient

Name: AT2025afyh
Right ascension: 1h44m06.33s
Declination: -22d09m45.63s
Discovery Date: Dec. 6, 2025, 4:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name:
Right ascension: 1h44m06.32s
Declination: -22d09m45.79s
Redshift: None
Photometric Redshift: 0.093
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.4
Transient MWEBV processed 0.11
Host match processed 7.23
Host information processed 0.13
Host MWEBV processed 0.12
Global aperture construction processed 0.69
Global aperture photometry processed 5.51
Validate global photometry processed 12.71
Global host SED inference processed 478.64
Local aperture photometry processed 5.04
Validate local photometry processed 0.02
Local host SED inference processed 553.54
 

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) = 1h44m06.33s, -22d09m45.63s
semi major axis, semi minor axis (arcsec) = 1.16, 1.16
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 112.97 0.41 18.768 0.004 AB
PanSTARRS_i 130.95 0.51 18.607 0.004 AB
PanSTARRS_z 156.1 0.83 18.416 0.006 AB
PanSTARRS_y 173.7 1.81 18.301 0.011 AB

Aperture details

RA, DEC (J2000) = 1h44m06.31s, -22d09m45.60s
semi major axis, semi minor axis (arcsec) = 3.54, 3.01
angle (degrees, anti-clockwise from east) = -144.89

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 85.12 0.34 19.075 0.004 AB
PanSTARRS_g 84.65 0.89 19.081 0.011 AB
PanSTARRS_r 171.49 1.19 18.314 0.008 AB
DES_r 193.65 0.57 18.182 0.003 AB
PanSTARRS_i 244.19 1.34 17.931 0.006 AB
PanSTARRS_z 304.82 2.18 17.690 0.008 AB
PanSTARRS_y 336.49 4.89 17.583 0.016 AB
2MASS_J 376.74 79.73 16.565 0.230 Vega
2MASS_H 797.84 121.44 15.278 0.165 Vega
2MASS_K 611.94 143.45 15.095 0.255 Vega
WISE_W1 158.87 8.21 15.698 0.056 Vega
WISE_W2 106.67 12.28 15.491 0.125 Vega
WISE_W3 73.26 45.67 14.064 0.677 Vega
WISE_W4 -171.49 341.71 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})\, 9.420 9.607 9.722
{\rm log}_{10}({\rm SFR}) -1.653 -0.484 0.230
{\rm log}_{10}({\rm sSFR}) -11.261 -10.085 -9.383
{\rm stellar\ age} 1.954 5.666 7.224

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.381 -0.714 -0.203
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.481 -0.770 -0.041

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.491 0.870
\delta -0.548 -0.128 0.212
\tau_1/\tau_2 0.665 1.059 1.441
Q_{PAH} 1.080 3.214 5.523
U_{min} 3.463 9.343 16.361
{\rm log}_{10}(\gamma_e)\, -3.067 -1.681 -0.455

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.752 -0.872 -0.234
{\rm log}_{10}(\tau_{AGN})\, 1.174 1.658 2.011

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.568 -1.233 -0.674
0.03-0.10 Gyr -1.826 -0.385 0.382
0.10-0.33 Gyr -0.894 -0.085 0.443
0.33-1.06 Gyr -1.513 -0.241 0.198
1.06-3.46 Gyr -1.864 -0.380 -0.069
3.46-11.29 Gyr -2.272 -0.444 -0.143
11.29-12.54 Gyr -2.492 -0.474 0.143

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.098 10.179 10.275
{\rm log}_{10}({\rm SFR}) -2.916 -1.248 -0.403
{\rm log}_{10}({\rm sSFR}) -13.085 -11.394 -10.537
{\rm stellar\ age} 7.355 9.590 11.879

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.634 -1.292 -0.947
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.538 -0.495 0.253

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.258 0.403 0.559
\delta -0.885 -0.686 -0.432
\tau_1/\tau_2 0.564 0.992 1.437
Q_{PAH} 0.774 2.384 4.686
U_{min} 3.438 9.518 17.534
{\rm log}_{10}(\gamma_e)\, -1.991 -0.940 -0.307

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.864 -2.422 -1.493
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.567 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.475 -1.997 -1.000
0.03-0.10 Gyr -3.245 -1.206 -0.264
0.10-0.33 Gyr -4.020 -1.492 -0.405
0.33-1.06 Gyr -5.504 -2.074 -0.697
1.06-3.46 Gyr -3.931 -1.556 -0.208
3.46-11.29 Gyr -2.025 0.128 0.416
11.29-12.54 Gyr -0.057 1.049 1.427