2025ahd results

Information

Transient
Name:AT2025ahd
Right ascension: 14h39m10.65s
Declination:-22d38m49.57s
Discovery Date:Jan. 27, 2025, 8:30 a.m.
Classification:None
Redshift:None
MW E(B-V):0.085
Host
Name:2025ahd
Right ascension: 14h39m10.68s
Declination:-22d38m44.46s
Redshift:0.106183
Photometric Redshift:0.092
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 3.06
Transient MWEBV processed 0.07
Host match processed 2.29
Host information processed 0.09
Host MWEBV processed 0.06
Host spectrum download not processed None
Global aperture construction processed 0.62
Global aperture photometry processed 3.53
Validate global photometry processed 13.3
Global host SED inference processed 953.89
Local aperture photometry processed 3.59
Validate local photometry processed 0.02
Local host SED inference processed 686.77
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.031 8.580 8.897
{\rm log}_{10}({\rm SFR}) -1.163 -0.666 -0.208
{\rm log}_{10}({\rm sSFR}) -9.787 -9.203 -8.385
{\rm stellar\ age} 0.736 5.200 7.357

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.619 -0.664 0.013
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.122 -0.552 0.107

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.425 0.818 1.497
\delta -0.565 -0.127 0.155
\tau_1/\tau_2 0.486 0.883 1.322
Q_{PAH} 0.590 2.157 5.170
U_{min} 3.218 8.244 15.191
{\rm log}_{10}(\gamma_e)\, -3.027 -1.668 -0.453

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.834 -0.728 0.118
{\rm log}_{10}(\tau_{AGN})\, 1.093 1.481 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.908 -0.423 0.116
0.03-0.10 Gyr -2.513 -1.172 -0.400
0.10-0.32 Gyr -3.524 -1.490 -0.725
0.32-1.06 Gyr -3.913 -1.554 -0.893
1.06-3.43 Gyr -4.108 -1.594 -1.076
3.43-11.14 Gyr -3.894 -1.588 -1.019
11.14-12.38 Gyr -3.930 -1.593 -0.807

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.788 10.845 10.909
{\rm log}_{10}({\rm SFR}) 0.801 1.075 1.303
{\rm log}_{10}({\rm sSFR}) -10.055 -9.778 -9.534
{\rm stellar\ age} 6.413 7.333 9.478

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.466 -0.258 -0.056
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.294 -0.879 -0.367

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.366 0.528 0.712
\delta 0.247 0.343 0.386
\tau_1/\tau_2 0.428 0.775 1.148
Q_{PAH} 0.966 1.952 3.279
U_{min} 2.495 6.802 13.322
{\rm log}_{10}(\gamma_e)\, -2.995 -2.301 -1.646

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.137 -2.058 -1.642
{\rm log}_{10}(\tau_{AGN})\, 0.898 1.185 1.672

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.549 0.742 0.917
0.03-0.10 Gyr 0.833 1.170 1.423
0.10-0.32 Gyr 0.113 0.580 0.897
0.32-1.06 Gyr -0.182 0.342 0.658
1.06-3.43 Gyr 0.048 0.613 0.925
3.43-11.14 Gyr 0.656 0.971 1.089
11.14-12.38 Gyr 0.671 1.196 1.837
 

Aperture Photometry


Aperture details

RA, DEC (J2000):14h39m10.65s, -22d38m49.57s
semi major axis, semi minor axis (arcsec):1.03, 1.03
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 12.65 1.74 21.145 0.149 AB

Aperture details

RA, DEC (J2000):14h39m10.66s, -22d38m44.11s
semi major axis, semi minor axis (arcsec):10.2, 8.19
angle (degrees, anti-clockwise from east):-154.81
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 44.66 8.23 19.775 0.200 AB
GALEX_NUV 53.66 7.09 19.576 0.144 AB
PanSTARRS_g 347.43 2.52 17.548 0.008 AB
PanSTARRS_r 629.1 2.42 16.903 0.004 AB
PanSTARRS_i 870.31 3.02 16.551 0.004 AB
PanSTARRS_z 1068.64 5.72 16.328 0.006 AB
PanSTARRS_y 1217.22 14.85 16.187 0.013 AB
2MASS_J 1426.52 259.23 15.119 0.197 Vega
2MASS_H 2642.9 308.62 13.977 0.127 Vega
2MASS_K 2424.33 431.96 13.601 0.193 Vega
WISE_W1 1403.92 30.38 13.333 0.023 Vega
WISE_W2 946.97 43.17 13.120 0.049 Vega
WISE_W3 2686.83 133.31 10.153 0.054 Vega