2025ahun

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Information

Transient

Name: AT2025ahun
Right ascension: 10h24m07.89s
Declination: 38d17m25.13s
Discovery Date: Dec. 18, 2025, 10:13 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name:
Right ascension: 10h24m07.73s
Declination: 38d17m26.67s
Redshift: None
Photometric Redshift: 0.088
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.36
Transient MWEBV processed 0.09
Host match processed 5.84
Host information processed 0.18
Host MWEBV processed 0.1
Global aperture construction processed 0.63
Global aperture photometry processed 5.36
Validate global photometry processed 16.49
Global host SED inference processed 378.52
Local aperture photometry processed 5.37
Validate local photometry processed 0.03
Local host SED inference processed 421.64
 

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) = 10h24m07.89s, 38d17m25.13s
semi major axis, semi minor axis (arcsec) = 1.22, 1.22
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 3.84 0.13 22.440 0.037 AB
PanSTARRS_r 5.08 0.38 22.135 0.082 AB
PanSTARRS_i 7.16 0.29 21.762 0.045 AB
PanSTARRS_z 7.19 0.63 21.758 0.096 AB
PanSTARRS_y 11.58 1.9 21.240 0.178 AB

Aperture details

RA, DEC (J2000) = 10h24m07.73s, 38d17m26.65s
semi major axis, semi minor axis (arcsec) = 5.14, 2.57
angle (degrees, anti-clockwise from east) = -10.39

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.48 0.2 22.547 0.061 AB
GALEX_NUV 5.89 0.19 21.975 0.034 AB
SDSS_u 3.02 2.66 22.701 0.957 AB
SDSS_g 40.67 1.94 19.877 0.052 AB
DES_g 38.69 0.41 19.931 0.012 AB
PanSTARRS_g 34.33 0.81 20.061 0.026 AB
SDSS_r 63.0 2.58 19.402 0.044 AB
PanSTARRS_r 65.94 1.13 19.352 0.019 AB
SDSS_i 106.2 3.53 18.835 0.036 AB
PanSTARRS_i 89.02 0.86 19.026 0.011 AB
PanSTARRS_z 95.9 1.85 18.945 0.021 AB
SDSS_z 146.62 8.4 18.484 0.062 AB
PanSTARRS_y 115.57 5.48 18.743 0.051 AB
2MASS_J 97.28 99.08 18.035 1.106 Vega
2MASS_H 109.62 165.52 17.433 1.639 Vega
2MASS_K 143.63 159.23 16.669 1.204 Vega
WISE_W1 108.37 8.74 16.114 0.088 Vega
WISE_W2 70.17 10.8 15.946 0.167 Vega
WISE_W3 75.37 63.91 14.033 0.921 Vega
WISE_W4 52.92 382.21 12.971 7.841 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})\, 7.989 8.272 8.440
{\rm log}_{10}({\rm SFR}) -1.622 -1.140 -0.573
{\rm log}_{10}({\rm sSFR}) -9.961 -9.410 -8.661
{\rm stellar\ age} 0.987 4.822 6.625

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.256 -0.514 -0.075
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.286 -0.627 0.019

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.469 0.887 1.487
\delta -0.195 0.119 0.301
\tau_1/\tau_2 0.721 1.072 1.441
Q_{PAH} 1.131 2.910 5.181
U_{min} 2.688 7.584 14.462
{\rm log}_{10}(\gamma_e)\, -2.820 -1.734 -0.674

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.939 -0.221 0.238
{\rm log}_{10}(\tau_{AGN})\, 1.059 1.492 1.909

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.611 -1.176 -0.653
0.03-0.10 Gyr -1.793 -1.186 -0.542
0.10-0.33 Gyr -1.859 -1.289 -0.725
0.33-1.06 Gyr -2.200 -1.499 -1.125
1.06-3.48 Gyr -3.014 -1.669 -1.380
3.48-11.34 Gyr -3.540 -1.844 -1.490
11.34-12.60 Gyr -3.471 -1.901 -1.351

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.460 9.560 9.667
{\rm log}_{10}({\rm SFR}) -0.680 -0.453 -0.213
{\rm log}_{10}({\rm sSFR}) -10.243 -10.008 -9.742
{\rm stellar\ age} 6.166 7.313 8.937

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.085 -0.596 -0.127
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.173 0.149 0.308

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.333 0.537 0.753
\delta -0.185 0.048 0.226
\tau_1/\tau_2 0.713 1.075 1.443
Q_{PAH} 1.758 4.015 5.765
U_{min} 2.953 7.731 14.569
{\rm log}_{10}(\gamma_e)\, -2.860 -1.933 -0.954

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.927 -2.381 -1.325
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.397 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.570 -0.380 -0.202
0.03-0.10 Gyr -0.878 -0.490 -0.168
0.10-0.33 Gyr -1.129 -0.662 -0.350
0.33-1.06 Gyr -1.306 -0.753 -0.403
1.06-3.48 Gyr -1.184 -0.611 -0.330
3.48-11.34 Gyr -0.575 -0.319 -0.163
11.34-12.60 Gyr -0.702 -0.147 0.420