2025aghf

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Information

Transient

Name: AT2025aghf
Right ascension: 0h32m32.45s
Declination: -27d56m40.58s
Discovery Date: Dec. 7, 2025, 3:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name:
Right ascension: 0h32m32.41s
Declination: -27d56m40.18s
Redshift: None
Photometric Redshift: 0.081
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 7.94
Transient MWEBV processed 0.11
Host match processed 6.25
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.75
Validate global photometry processed 18.2
Global host SED inference processed 391.0
Local aperture photometry processed 5.68
Validate local photometry processed 0.02
Local host SED inference processed 469.15
 

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) = 0h32m32.45s, -27d56m40.58s
semi major axis, semi minor axis (arcsec) = 1.32, 1.32
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 44.74 0.22 19.773 0.005 AB
PanSTARRS_g 43.82 0.42 19.796 0.010 AB
PanSTARRS_r 51.94 0.52 19.611 0.011 AB
DES_r 67.68 0.27 19.324 0.004 AB
PanSTARRS_i 69.38 0.52 19.297 0.008 AB
PanSTARRS_z 66.83 1.21 19.338 0.020 AB
DES_z 87.37 0.95 19.047 0.012 AB
PanSTARRS_y 76.17 2.65 19.196 0.038 AB

Aperture details

RA, DEC (J2000) = 0h32m32.40s, -27d56m40.04s
semi major axis, semi minor axis (arcsec) = 3.58, 3.31
angle (degrees, anti-clockwise from east) = -61.82

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.51 3.71 20.472 0.171 AB
GALEX_NUV 24.87 1.82 20.411 0.080 AB
DES_g 92.51 0.34 18.985 0.004 AB
PanSTARRS_g 94.73 1.03 18.959 0.012 AB
PanSTARRS_r 112.75 1.29 18.770 0.012 AB
DES_r 130.38 0.4 18.612 0.003 AB
PanSTARRS_i 147.91 1.28 18.475 0.009 AB
PanSTARRS_z 147.3 3.07 18.479 0.023 AB
DES_z 158.77 1.38 18.398 0.009 AB
PanSTARRS_y 164.12 6.71 18.362 0.044 AB
2MASS_J 185.12 88.77 17.336 0.521 Vega
2MASS_H 325.26 146.68 16.252 0.490 Vega
2MASS_K 175.59 154.24 16.451 0.954 Vega
WISE_W1 60.27 5.92 16.751 0.107 Vega
WISE_W2 39.12 8.98 16.580 0.249 Vega
WISE_W3 147.0 53.43 13.308 0.395 Vega
WISE_W4 -283.62 394.86 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})\, 8.768 8.962 9.113
{\rm log}_{10}({\rm SFR}) -0.991 -0.549 -0.031
{\rm log}_{10}({\rm sSFR}) -10.032 -9.556 -8.924
{\rm stellar\ age} 1.554 4.105 5.983

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.207 -0.403 0.007
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.523 -0.275 0.110

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.153 0.365 0.641
\delta -0.731 -0.293 0.081
\tau_1/\tau_2 0.692 1.017 1.363
Q_{PAH} 0.742 2.411 5.185
U_{min} 3.178 8.126 15.161
{\rm log}_{10}(\gamma_e)\, -2.812 -1.509 -0.362

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.189 -0.875 -0.225
{\rm log}_{10}(\tau_{AGN})\, 1.215 1.636 2.041

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.851 -0.610 -0.369
0.03-0.10 Gyr -1.213 -0.550 0.079
0.10-0.33 Gyr -1.117 -0.435 0.009
0.33-1.07 Gyr -1.196 -0.528 -0.192
1.07-3.49 Gyr -1.779 -0.935 -0.600
3.49-11.42 Gyr -2.254 -1.247 -0.860
11.42-12.69 Gyr -2.431 -1.304 -0.711

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.238 9.357 9.501
{\rm log}_{10}({\rm SFR}) -0.494 -0.233 0.017
{\rm log}_{10}({\rm sSFR}) -9.866 -9.598 -9.308
{\rm stellar\ age} 4.654 6.012 7.303

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.407 -0.867 -0.428
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.261 0.058 0.298

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.055 0.152 0.319
\delta -0.396 0.046 0.278
\tau_1/\tau_2 0.759 1.107 1.455
Q_{PAH} 0.733 2.016 3.906
U_{min} 2.808 7.858 14.618
{\rm log}_{10}(\gamma_e)\, -2.452 -1.380 -0.510

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.866 -2.350 -1.491
{\rm log}_{10}(\tau_{AGN})\, 1.119 1.545 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.954 -0.712 -0.539
0.03-0.10 Gyr -0.416 -0.113 0.154
0.10-0.33 Gyr -0.326 -0.065 0.155
0.33-1.07 Gyr -0.826 -0.452 -0.204
1.07-3.49 Gyr -0.882 -0.580 -0.386
3.49-11.42 Gyr -0.915 -0.618 -0.388
11.42-12.69 Gyr -1.036 -0.503 -0.053