2025ahtg

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Information

Transient

Name: AT2025ahtg
Right ascension: 13h36m25.55s
Declination: 3d02m18.51s
Discovery Date: Dec. 19, 2025, 1:27 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 13h36m25.51s
Declination: 3d02m18.66s
Redshift: None
Photometric Redshift: 0.184
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.57
Transient MWEBV processed 0.09
Host match processed 6.32
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.47
Validate global photometry processed 1.61
Global host SED inference processed 404.06
Local aperture photometry processed 6.15
Validate local photometry no valid phot 0.03
Local host SED inference not processed 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) = 13h36m25.55s, 3d02m18.51s
semi major axis, semi minor axis (arcsec) = 0.65, 0.65
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available


Aperture details

RA, DEC (J2000) = 13h36m25.50s, 3d02m18.72s
semi major axis, semi minor axis (arcsec) = 4.0, 3.6
angle (degrees, anti-clockwise from east) = -147.89

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.87 0.62 22.182 0.138 AB
GALEX_NUV 6.6 0.52 21.851 0.085 AB
SDSS_u 5.2 2.86 22.110 0.596 AB
SDSS_g 34.83 1.85 20.045 0.058 AB
PanSTARRS_g 35.5 0.82 20.025 0.025 AB
SDSS_r 58.2 2.58 19.488 0.048 AB
PanSTARRS_r 63.09 1.47 19.400 0.025 AB
DES_r 66.85 0.7 19.337 0.011 AB
SDSS_i 76.18 3.43 19.195 0.049 AB
PanSTARRS_i 76.3 1.18 19.194 0.017 AB
PanSTARRS_z 95.15 2.22 18.954 0.025 AB
SDSS_z 101.73 11.39 18.881 0.122 AB
DES_z 99.94 1.87 18.901 0.020 AB
PanSTARRS_y 104.15 5.16 18.856 0.054 AB
2MASS_J 267.96 116.84 16.935 0.473 Vega
2MASS_H 79.68 160.17 17.779 2.182 Vega
2MASS_K -174.84 207.31 Vega
WISE_W1 56.08 7.19 16.829 0.139 Vega
WISE_W2 37.43 11.86 16.628 0.344 Vega
WISE_W3 127.24 53.35 13.464 0.455 Vega
WISE_W4 152.24 271.87 11.824 1.939 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

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})\, 9.889 10.021 10.136
{\rm log}_{10}({\rm SFR}) -0.594 0.124 0.568
{\rm log}_{10}({\rm sSFR}) -10.654 -9.916 -9.442
{\rm stellar\ age} 3.330 5.330 6.750

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.385 -0.794 -0.291
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.588 -0.833 0.000

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.181 0.383 0.655
\delta -0.268 0.077 0.273
\tau_1/\tau_2 0.618 0.981 1.349
Q_{PAH} 1.175 3.038 5.013
U_{min} 3.253 9.429 16.714
{\rm log}_{10}(\gamma_e)\, -2.167 -1.104 -0.369

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.840 -2.060 -1.132
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.525 1.902

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.407 -1.035 -0.475
0.03-0.10 Gyr -0.505 0.273 0.724
0.10-0.32 Gyr 0.147 0.542 0.883
0.32-1.02 Gyr -0.289 0.273 0.583
1.02-3.24 Gyr -0.424 0.107 0.352
3.24-10.33 Gyr -0.560 0.059 0.298
10.33-11.48 Gyr -0.731 0.098 0.671