2025aghk

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Information

Transient

Name: AT2025aghk
Right ascension: 20h50m41.29s
Declination: -2d01m36.89s
Discovery Date: Dec. 8, 2025, 2:05 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.057

Host

Name:
Right ascension: 20h50m41.33s
Declination: -2d01m37.70s
Redshift: None
Photometric Redshift: 0.155
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 20.36
Transient MWEBV processed 0.08
Host match processed 5.42
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 2.74
Global aperture photometry processed 7.11
Validate global photometry processed 18.61
Global host SED inference processed 652.87
Local aperture photometry processed 6.98
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) = 20h50m41.29s, -2d01m36.89s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
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) = 20h50m41.44s, -2d01m41.10s
semi major axis, semi minor axis (arcsec) = 3.23, 2.01
angle (degrees, anti-clockwise from east) = -48.09

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.0 1.74 22.395 0.473 AB
GALEX_NUV 3.29 0.48 22.608 0.157 AB
SDSS_u 14.09 2.9 21.028 0.223 AB
SDSS_g 10.17 1.3 21.382 0.138 AB
DES_g 6.13 0.17 21.930 0.030 AB
PanSTARRS_g 8.93 0.6 21.523 0.072 AB
SDSS_r 10.65 1.7 21.332 0.173 AB
PanSTARRS_r 9.76 0.59 21.427 0.066 AB
DES_r 8.01 0.32 21.640 0.043 AB
SDSS_i 13.94 2.46 21.039 0.191 AB
PanSTARRS_i 13.06 0.7 21.110 0.058 AB
PanSTARRS_z 11.11 1.68 21.285 0.165 AB
SDSS_z 15.17 11.1 20.947 0.794 AB
DES_z 9.03 0.89 21.510 0.107 AB
PanSTARRS_y -10.37 4.17 AB
2MASS_J -114.93 106.43 Vega
2MASS_H 41.31 150.58 18.492 3.958 Vega
2MASS_K -79.47 156.75 Vega
WISE_W1 -0.68 8.0 Vega
WISE_W2 2.95 13.84 19.387 5.093 Vega
WISE_W3 -48.51 59.14 Vega
WISE_W4 -171.66 364.33 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})\, 7.849 8.291 8.683
{\rm log}_{10}({\rm SFR}) -0.461 -0.188 0.271
{\rm log}_{10}({\rm sSFR}) -8.899 -8.269 -7.951
{\rm stellar\ age} 0.065 1.853 5.517

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.415 -0.518 0.001
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.780 0.069 0.331

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.168 0.376 0.883
\delta -0.465 0.085 0.310
\tau_1/\tau_2 0.602 1.041 1.588
Q_{PAH} 1.133 3.022 5.174
U_{min} 3.631 9.520 17.481
{\rm log}_{10}(\gamma_e)\, -3.027 -1.851 -0.623

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.189 -0.885 -0.130
{\rm log}_{10}(\tau_{AGN})\, 0.938 1.338 1.723

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.364 -0.114 0.201
0.03-0.10 Gyr -0.936 -0.233 0.326
0.10-0.32 Gyr -3.432 -1.328 -0.517
0.32-1.03 Gyr -5.523 -2.295 -1.222
1.03-3.31 Gyr -6.612 -2.393 -1.360
3.31-10.62 Gyr -7.163 -2.535 -1.413
10.62-11.80 Gyr -7.141 -2.436 -1.198