2025ahtu results

Information

Transient
Name:AT2025ahtu
Right ascension: 8h27m55.59s
Declination:56d37m03.65s
Discovery Date:Dec. 15, 2025, 10:24 a.m.
Classification:None
Redshift:None
MW E(B-V):0.056
Host
Name:
Right ascension: 8h27m55.10s
Declination:56d37m05.63s
Redshift:None
Photometric Redshift:0.152
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 17.82
Transient MWEBV processed 0.15
Host match processed 5.05
Host information processed 0.13
Host MWEBV processed 0.1
Global aperture construction processed 0.65
Global aperture photometry processed 5.9
Validate global photometry processed 1.98
Global host SED inference processed 496.5
Local aperture photometry processed 5.45
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):8h27m55.07s, 56d37m05.91s
semi major axis, semi minor axis (arcsec):6.68, 6.36
angle (degrees, anti-clockwise from east):-121.51
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.54 3.35 21.245 0.315 AB
GALEX_NUV 11.23 0.68 21.274 0.066 AB
SDSS_u 55.3 5.05 19.543 0.099 AB
SDSS_g 106.16 3.25 18.835 0.033 AB
PanSTARRS_g 108.36 1.27 18.813 0.013 AB
SDSS_r 189.9 4.93 18.204 0.028 AB
PanSTARRS_r 201.55 1.81 18.139 0.010 AB
SDSS_i 275.27 6.99 17.801 0.028 AB
PanSTARRS_i 277.04 1.73 17.794 0.007 AB
PanSTARRS_z 338.28 4.65 17.577 0.015 AB
SDSS_z 286.35 19.48 17.758 0.074 AB
PanSTARRS_y 392.25 11.13 17.416 0.031 AB
2MASS_J 179.47 156.03 17.370 0.944 Vega
2MASS_H 596.59 236.63 15.593 0.431 Vega
2MASS_K 666.86 286.41 15.002 0.466 Vega
WISE_W1 216.72 12.53 15.361 0.063 Vega
WISE_W2 155.21 14.31 15.084 0.100 Vega
WISE_W3 405.06 73.33 12.207 0.197 Vega
WISE_W4 219.94 442.52 11.424 2.184 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})\, 10.424 10.500 10.626
{\rm log}_{10}({\rm SFR}) 0.531 0.823 1.126
{\rm log}_{10}({\rm sSFR}) -9.995 -9.666 -9.366
{\rm stellar\ age} 6.279 7.043 10.075

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.124 -0.732 -0.499
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.675 -0.122 0.343

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.136 0.209 0.331
\delta -0.891 -0.653 -0.351
\tau_1/\tau_2 0.501 0.969 1.465
Q_{PAH} 0.535 1.558 3.412
U_{min} 2.464 7.817 14.964
{\rm log}_{10}(\gamma_e)\, -3.119 -2.203 -1.213

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.220 -2.919 -1.966
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.502 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.948 -0.052 0.262
0.03-0.10 Gyr 0.657 0.968 1.279
0.10-0.32 Gyr -2.235 0.031 0.546
0.32-1.03 Gyr -2.892 -0.141 0.298
1.03-3.32 Gyr -1.753 0.124 0.510
3.32-10.66 Gyr 0.113 0.640 0.798
10.66-11.84 Gyr 0.278 0.844 1.685