2025aknk

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Information

Transient

Name: AT2025aknk
Right ascension: 21h54m43.81s
Declination: 8d31m09.18s
Discovery Date: Sept. 14, 2025, 6:23 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name:
Right ascension: 21h54m43.95s
Declination: 8d31m04.52s
Redshift: None
Photometric Redshift: 0.102
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.7
Transient MWEBV processed 0.04
Host match processed 4.93
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 9.02
Validate global photometry phot valid failed 0.08
Global host SED inference not processed None
Local aperture photometry processed 6.19
Validate local photometry processed 0.05
Local host SED inference processed 787.74
 

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) = 21h54m43.81s, 8d31m09.18s
semi major axis, semi minor axis (arcsec) = 1.07, 1.07
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 39.88 1.28 19.898 0.035 AB
PanSTARRS_y 56.83 2.24 19.514 0.043 AB

Aperture details

RA, DEC (J2000) = 21h54m43.81s, 8d31m05.30s
semi major axis, semi minor axis (arcsec) = 19.94, 8.4
angle (degrees, anti-clockwise from east) = -75.0

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})\, 8.138 8.845 9.296
{\rm log}_{10}({\rm SFR}) -0.515 0.001 0.383
{\rm log}_{10}({\rm sSFR}) -9.553 -8.793 -7.971
{\rm stellar\ age} 0.160 3.742 7.280

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.358 -0.460 0.064
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.782 -0.220 0.235

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.566 1.097 1.940
\delta -0.458 -0.104 0.179
\tau_1/\tau_2 0.344 0.757 1.348
Q_{PAH} 0.409 1.855 4.914
U_{min} 3.645 9.371 16.920
{\rm log}_{10}(\gamma_e)\, -3.159 -1.808 -0.551

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.262 -0.891 -0.014
{\rm log}_{10}(\tau_{AGN})\, 0.933 1.394 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.264 0.335 0.732
0.03-0.10 Gyr -2.878 -1.045 0.116
0.10-0.33 Gyr -4.209 -1.672 -0.363
0.33-1.06 Gyr -5.006 -1.888 -0.476
1.06-3.44 Gyr -5.170 -1.932 -0.706
3.44-11.19 Gyr -5.264 -1.834 -0.726
11.19-12.43 Gyr -5.360 -1.664 -0.398

Global parameter details

Documentation

Data not available