2025hdj

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Information

Transient

Name: AT2025hdj
Right ascension: 16h05m22.99s
Declination: 2d48m03.99s
Discovery Date: April 10, 2025, 11:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.073

Host

Name: 2025hdj
Right ascension: 16h05m22.98s
Declination: 2d48m03.97s
Redshift: None
Photometric Redshift: 0.186
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.28
Cutout download processed 20.8
Global aperture construction processed 0.66
Local aperture photometry processed 6.68
Global aperture photometry processed 6.71
Validate local photometry no valid phot 0.03
Validate global photometry processed 15.39
Host information processed 0.13
Global host SED inference processed 460.02
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.14
Host MWEBV processed 0.06
Log transient processing status blocked None
 

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) = 16h05m22.99s, 2d48m03.99s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 16h05m22.97s, 2d48m04.05s
semi major axis, semi minor axis (arcsec) = 2.81, 2.65
angle (degrees, anti-clockwise from east) = -139.12

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.7 1.66 22.822 0.666 AB
GALEX_NUV 0.6 1.06 24.451 1.906 AB
DES_g 17.96 0.27 20.764 0.016 AB
PanSTARRS_g 17.94 0.53 20.766 0.032 AB
PanSTARRS_r 44.61 0.69 19.776 0.017 AB
DES_r 51.13 0.55 19.628 0.012 AB
PanSTARRS_i 67.3 0.7 19.330 0.011 AB
PanSTARRS_z 85.51 1.71 19.070 0.022 AB
DES_z 94.14 2.04 18.966 0.023 AB
PanSTARRS_y 108.56 4.72 18.811 0.047 AB
2MASS_J 129.02 89.3 17.728 0.752 Vega
2MASS_H 224.05 127.77 16.657 0.619 Vega
2MASS_K 295.0 149.56 15.888 0.550 Vega
WISE_W1 45.38 9.56 17.059 0.229 Vega
WISE_W2 17.3 12.83 17.466 0.805 Vega
WISE_W3 40.27 58.86 14.714 1.587 Vega
WISE_W4 498.05 421.53 10.537 0.919 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.080 10.187 10.275
{\rm log}_{10}({\rm SFR}) -0.791 -0.140 0.292
{\rm log}_{10}({\rm sSFR}) -10.987 -10.298 -9.809
{\rm stellar\ age} 5.060 6.319 7.627

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.028 -0.485 -0.231
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.260 -0.593 -0.092

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.269 0.452 0.653
\delta -0.895 -0.715 -0.477
\tau_1/\tau_2 0.723 1.095 1.483
Q_{PAH} 1.614 3.697 5.641
U_{min} 3.012 8.512 15.403
{\rm log}_{10}(\gamma_e)\, -2.296 -1.209 -0.413

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.471 -1.709 -0.816
{\rm log}_{10}(\tau_{AGN})\, 1.150 1.575 1.869

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.796 -0.150 0.170
0.03-0.10 Gyr -0.950 -0.151 0.359
0.10-0.32 Gyr -0.908 -0.092 0.355
0.32-1.02 Gyr -0.744 0.040 0.424
1.02-3.24 Gyr -0.396 0.178 0.429
3.24-10.31 Gyr -0.022 0.342 0.510
10.31-11.46 Gyr -0.210 0.388 0.946