2025ahhy results

Information

Transient
Name:AT2025ahhy
Right ascension: 8h05m01.40s
Declination:6d06m09.18s
Discovery Date:Dec. 17, 2025, 3:08 p.m.
Classification:None
Redshift:None
MW E(B-V):0.026
Host
Name:
Right ascension: 8h05m01.33s
Declination:6d06m06.72s
Redshift:None
Photometric Redshift:0.112
 

Cutout Download Report

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

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 22.15
Transient MWEBV processed 0.05
Host match processed 5.16
Host information processed 0.13
Host MWEBV processed 0.05
Global aperture construction processed 0.76
Global aperture photometry processed 5.97
Validate global photometry processed 18.17
Global host SED inference processed 406.6
Local aperture photometry processed 6.45
Validate local photometry processed 0.02
Local host SED inference not enough filters 20.11
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h05m01.40s, 6d06m09.18s
semi major axis, semi minor axis (arcsec):0.98, 0.98
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 4.59 0.6 22.246 0.143 AB

Aperture details

RA, DEC (J2000):8h05m01.32s, 6d06m06.85s
semi major axis, semi minor axis (arcsec):5.49, 3.61
angle (degrees, anti-clockwise from east):-89.19
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 28.31 3.52 20.270 0.135 AB
SDSS_g 92.34 2.84 18.987 0.033 AB
DES_g 99.16 0.67 18.909 0.007 AB
PanSTARRS_g 106.8 1.02 18.829 0.010 AB
SDSS_r 149.58 3.93 18.463 0.029 AB
PanSTARRS_r 156.57 1.05 18.413 0.007 AB
DES_r 166.08 1.29 18.349 0.008 AB
SDSS_i 206.68 5.52 18.112 0.029 AB
PanSTARRS_i 206.34 1.14 18.114 0.006 AB
PanSTARRS_z 246.96 3.21 17.918 0.014 AB
SDSS_z 229.32 15.2 17.999 0.072 AB
DES_z 254.02 4.1 17.888 0.018 AB
PanSTARRS_y 251.06 7.06 17.901 0.031 AB
2MASS_J 196.69 145.0 17.271 0.800 Vega
2MASS_H 452.04 213.39 15.894 0.513 Vega
2MASS_K 474.57 265.93 15.371 0.608 Vega
WISE_W1 136.16 10.65 15.866 0.085 Vega
WISE_W2 119.68 13.38 15.366 0.121 Vega
WISE_W3 347.05 70.86 12.375 0.222 Vega
WISE_W4 124.12 360.51 12.045 3.154 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})\, 9.784 9.912 10.026
{\rm log}_{10}({\rm SFR}) -1.073 -0.403 0.214
{\rm log}_{10}({\rm sSFR}) -10.980 -10.308 -9.664
{\rm stellar\ age} 2.860 5.280 6.681

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.306 -0.883 -0.546
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.680 -0.785 0.138

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.173 0.313 0.500
\delta -0.783 -0.418 -0.035
\tau_1/\tau_2 0.553 0.894 1.251
Q_{PAH} 0.569 1.734 3.543
U_{min} 2.554 7.585 14.603
{\rm log}_{10}(\gamma_e)\, -2.874 -2.022 -0.929

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.695 -2.260 -1.546
{\rm log}_{10}(\tau_{AGN})\, 1.007 1.408 1.843

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.526 -0.724 -0.425
0.03-0.10 Gyr -1.268 -0.340 0.362
0.10-0.32 Gyr -0.495 0.234 0.655
0.32-1.05 Gyr -0.279 0.212 0.538
1.05-3.41 Gyr -0.313 0.120 0.382
3.41-11.07 Gyr -0.877 -0.080 0.163
11.07-12.31 Gyr -1.249 -0.169 0.377