2025ahiu results

Information

Transient
Name:AT2025ahiu
Right ascension: 21h59m26.43s
Declination:26d44m20.47s
Discovery Date:Dec. 12, 2025, 2:18 a.m.
Classification:None
Redshift:None
MW E(B-V):0.051
Host
Name:
Right ascension: 21h59m26.57s
Declination:26d44m18.27s
Redshift:None
Photometric Redshift:0.128
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
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_z
 GALEX_FUV
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 18.72
Transient MWEBV processed 0.04
Host match processed 5.91
Host information processed 0.18
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 7.67
Validate global photometry processed 19.43
Global host SED inference processed 385.04
Local aperture photometry processed 6.93
Validate local photometry no valid phot 0.04
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):21h59m26.57s, 26d44m18.39s
semi major axis, semi minor axis (arcsec):6.87, 4.41
angle (degrees, anti-clockwise from east):-152.62
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 12.85 2.0 21.128 0.169 AB
SDSS_u 23.92 5.0 20.453 0.227 AB
SDSS_g 100.98 2.94 18.889 0.032 AB
DES_g 106.41 0.92 18.833 0.009 AB
PanSTARRS_g 100.73 1.63 18.892 0.018 AB
SDSS_r 157.46 4.19 18.407 0.029 AB
PanSTARRS_r 169.15 1.66 18.329 0.011 AB
DES_r 178.77 2.08 18.269 0.013 AB
SDSS_i 205.81 6.05 18.116 0.032 AB
PanSTARRS_i 217.88 2.11 18.054 0.011 AB
PanSTARRS_z 226.59 4.36 18.012 0.021 AB
SDSS_z 240.77 17.89 17.946 0.081 AB
DES_z 252.63 5.44 17.894 0.023 AB
PanSTARRS_y 234.12 16.39 17.976 0.076 AB
2MASS_J 389.32 141.41 16.529 0.394 Vega
2MASS_H 132.97 250.3 17.223 2.044 Vega
2MASS_K 712.32 267.82 14.931 0.408 Vega
WISE_W1 134.48 18.73 15.879 0.151 Vega
WISE_W2 80.75 18.12 15.793 0.244 Vega
WISE_W3 231.04 84.52 12.817 0.397 Vega
WISE_W4 190.78 404.6 11.579 2.303 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.891 9.991 10.099
{\rm log}_{10}({\rm SFR}) -0.487 -0.181 0.125
{\rm log}_{10}({\rm sSFR}) -10.530 -10.178 -9.815
{\rm stellar\ age} 3.084 4.792 5.963

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.543 -1.116 -0.680
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.550 -0.793 0.035

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.143 0.277 0.423
\delta -0.599 -0.289 0.008
\tau_1/\tau_2 0.798 1.127 1.433
Q_{PAH} 1.101 2.740 4.871
U_{min} 2.650 7.448 14.129
{\rm log}_{10}(\gamma_e)\, -2.739 -1.743 -0.621

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.900 -2.475 -1.484
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.527 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.391 -0.189 -0.002
0.03-0.10 Gyr -0.660 -0.178 0.197
0.10-0.32 Gyr -0.257 0.260 0.599
0.32-1.04 Gyr 0.300 0.560 0.758
1.04-3.38 Gyr -0.047 0.246 0.455
3.38-10.91 Gyr -0.475 -0.039 0.202
10.91-12.12 Gyr -0.866 -0.118 0.359