2025aktj

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Information

Transient

Name: AT2025aktj
Right ascension: 0h53m42.81s
Declination: -0d46m36.83s
Discovery Date: July 28, 2025, 1:13 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name:
Right ascension: 0h53m42.92s
Declination: -0d46m36.00s
Redshift: None
Photometric Redshift: 0.153
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.69
Transient MWEBV processed 0.05
Host match processed 6.56
Host information processed 0.17
Host MWEBV processed 0.09
Global aperture construction processed 0.63
Global aperture photometry processed 4.22
Validate global photometry processed 11.28
Global host SED inference processed 409.99
Local aperture photometry processed 4.99
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) = 0h53m42.81s, -0d46m36.83s
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) = 0h53m42.90s, -0d46m35.76s
semi major axis, semi minor axis (arcsec) = 4.17, 3.51
angle (degrees, anti-clockwise from east) = -130.28

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.17 0.48 22.116 0.101 AB
GALEX_NUV 7.52 0.21 21.709 0.030 AB
PanSTARRS_g 69.77 0.9 19.291 0.014 AB
PanSTARRS_r 116.72 1.04 18.732 0.010 AB
PanSTARRS_i 159.44 1.2 18.393 0.008 AB
PanSTARRS_z 183.34 2.77 18.242 0.016 AB
PanSTARRS_y 216.96 5.8 18.059 0.029 AB
2MASS_J 300.88 121.8 16.809 0.440 Vega
2MASS_H 511.13 206.54 15.761 0.439 Vega
2MASS_K 305.03 227.43 15.851 0.810 Vega
WISE_W1 84.66 13.74 16.382 0.176 Vega
WISE_W2 60.3 18.45 16.110 0.332 Vega
WISE_W3 290.66 112.37 12.568 0.420 Vega
WISE_W4 135.38 496.27 11.951 3.980 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})\, 10.083 10.177 10.274
{\rm log}_{10}({\rm SFR}) -0.157 0.237 0.600
{\rm log}_{10}({\rm sSFR}) -10.362 -9.959 -9.566
{\rm stellar\ age} 4.909 6.044 7.195

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.356 -0.869 -0.547
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.357 -0.002 0.272

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.199 0.331 0.492
\delta -0.708 -0.388 -0.139
\tau_1/\tau_2 0.706 1.102 1.505
Q_{PAH} 0.594 2.051 4.557
U_{min} 2.902 8.120 15.051
{\rm log}_{10}(\gamma_e)\, -2.196 -1.178 -0.398

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.340 -3.275 -2.124
{\rm log}_{10}(\tau_{AGN})\, 1.052 1.556 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.926 -0.281 0.025
0.03-0.10 Gyr -0.121 0.345 0.744
0.10-0.32 Gyr 0.036 0.415 0.723
0.32-1.03 Gyr -0.152 0.269 0.528
1.03-3.31 Gyr -0.105 0.236 0.448
3.31-10.64 Gyr 0.005 0.283 0.456
10.64-11.82 Gyr -0.271 0.299 0.826