2025ahuy

Download data

Information

Transient

Name: AT2025ahuy
Right ascension: 21h01m53.35s
Declination: 13d29m15.05s
Discovery Date: Dec. 17, 2025, 2:09 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.087

Host

Name:
Right ascension: 21h01m53.33s
Declination: 13d29m14.80s
Redshift: None
Photometric Redshift: 0.048
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 8.42
Transient MWEBV processed 0.1
Host match processed 4.96
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 5.67
Validate global photometry processed 1.63
Global host SED inference processed 415.02
Local aperture photometry processed 5.38
Validate local photometry processed 0.02
Local host SED inference processed 613.9
 

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) = 21h01m53.35s, 13d29m15.05s
semi major axis, semi minor axis (arcsec) = 2.12, 2.12
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 267.99 0.59 17.830 0.002 AB
PanSTARRS_g 274.17 0.58 17.805 0.002 AB
PanSTARRS_r 651.25 0.85 16.866 0.001 AB
DES_r 716.43 2.04 16.762 0.003 AB
PanSTARRS_i 987.42 0.81 16.414 0.001 AB
PanSTARRS_z 1366.49 1.67 16.061 0.001 AB
PanSTARRS_y 1669.67 3.34 15.843 0.002 AB

Aperture details

RA, DEC (J2000) = 21h01m53.32s, 13d29m14.89s
semi major axis, semi minor axis (arcsec) = 18.05, 5.86
angle (degrees, anti-clockwise from east) = -136.09

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.36 4.25 21.170 0.373 AB
GALEX_NUV 17.69 3.25 20.780 0.199 AB
DES_g 711.92 1.09 16.769 0.002 AB
PanSTARRS_g 990.32 2.31 16.411 0.003 AB
PanSTARRS_r 2158.76 3.07 15.564 0.002 AB
DES_r 1715.32 3.36 15.814 0.002 AB
PanSTARRS_i 3143.48 3.25 15.156 0.001 AB
PanSTARRS_z 4134.35 7.23 14.859 0.002 AB
PanSTARRS_y 4974.4 15.68 14.658 0.003 AB
2MASS_J 6627.86 282.04 13.452 0.046 Vega
2MASS_H 8931.54 541.08 12.655 0.066 Vega
2MASS_K 8770.22 464.2 12.205 0.057 Vega
WISE_W1 3943.08 45.16 12.211 0.012 Vega
WISE_W2 2470.0 45.55 12.079 0.020 Vega
WISE_W3 9237.03 138.99 8.812 0.016 Vega
WISE_W4 15907.94 1160.44 6.776 0.079 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

Click the image to load the interactive plot.


Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.071 10.232 10.336
{\rm log}_{10}({\rm SFR}) -0.809 -0.178 0.437
{\rm log}_{10}({\rm sSFR}) -10.995 -10.395 -9.639
{\rm stellar\ age} 4.967 7.416 9.582

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.203 -0.565 -0.282
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.812 -0.662 0.165

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.564 0.854 1.340
\delta -0.846 -0.668 -0.451
\tau_1/\tau_2 0.661 1.021 1.415
Q_{PAH} 0.833 2.499 4.828
U_{min} 2.514 7.290 14.532
{\rm log}_{10}(\gamma_e)\, -3.355 -1.880 -1.160

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.118 -2.428 -0.848
{\rm log}_{10}(\tau_{AGN})\, 0.967 1.519 2.017

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.805 -0.045 0.353
0.03-0.10 Gyr -1.242 -0.271 0.461
0.10-0.33 Gyr -1.311 -0.287 0.557
0.33-1.09 Gyr -1.444 -0.225 0.350
1.09-3.58 Gyr -1.203 0.036 0.404
3.58-11.80 Gyr -0.450 0.284 0.499
11.80-13.11 Gyr -0.404 0.419 1.134

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.761 10.842 10.933
{\rm log}_{10}({\rm SFR}) -0.067 0.436 0.854
{\rm log}_{10}({\rm sSFR}) -10.874 -10.376 -9.953
{\rm stellar\ age} 7.665 9.462 12.251

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.807 -0.574 -0.396
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.010 -0.611 -0.243

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.548 0.735 0.943
\delta -0.638 -0.454 -0.267
\tau_1/\tau_2 0.642 1.050 1.479
Q_{PAH} 0.598 1.253 2.185
U_{min} 3.005 8.159 15.084
{\rm log}_{10}(\gamma_e)\, -2.930 -1.928 -1.397

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.428 -2.319 -1.546
{\rm log}_{10}(\tau_{AGN})\, 1.321 1.794 2.026

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.462 0.080 0.406
0.03-0.10 Gyr -0.140 0.524 0.979
0.10-0.33 Gyr -2.031 0.020 0.618
0.33-1.09 Gyr -3.225 -0.593 0.224
1.09-3.58 Gyr -2.490 -0.440 0.403
3.58-11.80 Gyr -0.536 0.837 1.044
11.80-13.11 Gyr 0.731 1.578 2.047