2025akem

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Information

Transient

Name: AT2025akem
Right ascension: 4h46m43.66s
Declination: -3d15m41.47s
Discovery Date: Dec. 28, 2025, 8:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.033

Host

Name:
Right ascension: 4h46m43.58s
Declination: -3d15m41.14s
Redshift: None
Photometric Redshift: 0.061
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.48
Transient MWEBV processed 0.04
Host match processed 5.49
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 5.96
Validate global photometry phot valid failed 0.06
Global host SED inference not processed None
Local aperture photometry processed 3.89
Validate local photometry processed 0.03
Local host SED inference processed 436.85
 

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) = 4h46m43.66s, -3d15m41.47s
semi major axis, semi minor axis (arcsec) = 1.69, 1.69
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 41.7 0.39 19.850 0.010 AB
PanSTARRS_r 76.82 0.67 19.186 0.010 AB
PanSTARRS_i 115.16 0.56 18.747 0.005 AB
PanSTARRS_z 136.26 1.15 18.564 0.009 AB
PanSTARRS_y 151.03 2.66 18.452 0.019 AB

Aperture details

RA, DEC (J2000) = 4h46m43.57s, -3d15m40.96s
semi major axis, semi minor axis (arcsec) = 9.16, 6.35
angle (degrees, anti-clockwise from east) = -50.76

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

Data not available

 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.354 9.488 9.612
{\rm log}_{10}({\rm SFR}) -1.719 -1.102 -0.580
{\rm log}_{10}({\rm sSFR}) -11.270 -10.575 -10.004
{\rm stellar\ age} 6.623 7.972 11.136

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.619 -1.043 -0.589
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.643 -0.760 0.118

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.400 0.747 1.050
\delta -0.536 -0.186 0.180
\tau_1/\tau_2 0.623 0.984 1.350
Q_{PAH} 0.591 2.003 4.903
U_{min} 2.888 7.759 15.025
{\rm log}_{10}(\gamma_e)\, -3.084 -1.990 -0.752

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.928 -1.103 -0.430
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.450 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.766 -1.163 -0.748
0.03-0.10 Gyr -2.044 -1.156 -0.499
0.10-0.33 Gyr -2.421 -1.275 -0.643
0.33-1.08 Gyr -2.746 -1.360 -0.668
1.08-3.55 Gyr -2.674 -1.047 -0.493
3.55-11.65 Gyr -1.034 -0.442 -0.245
11.65-12.94 Gyr -0.805 -0.155 0.621

Global parameter details

Documentation

Data not available