2025knj

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Information

Transient

Name: AT2025knj
Right ascension: 22h44m59.56s
Declination: -37d35m16.57s
Discovery Date: May 16, 2025, 2:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name: 2025knj
Right ascension: 22h44m59.48s
Declination: -37d35m21.22s
Redshift: 0.064365
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.49
Transient MWEBV processed 0.11
Host match processed 0.79
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.17
Global aperture photometry processed 0.99
Validate global photometry processed 1.35
Global host SED inference processed 1813.68
Local aperture photometry processed 0.89
Validate local photometry no valid phot 0.01
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) = 22h44m59.56s, -37d35m16.57s
semi major axis, semi minor axis (arcsec) = 1.62, 1.62
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) = 22h44m59.44s, -37d35m21.13s
semi major axis, semi minor axis (arcsec) = 9.4, 6.14
angle (degrees, anti-clockwise from east) = -72.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.37 1.07 22.961 0.488 AB
GALEX_NUV 8.64 1.65 21.558 0.207 AB
2MASS_J 4546.29 159.41 13.861 0.038 Vega
2MASS_H 5402.39 251.87 13.201 0.051 Vega
2MASS_K 4737.54 301.11 12.873 0.069 Vega
WISE_W1 1954.84 25.57 12.973 0.014 Vega
WISE_W2 1143.42 29.95 12.915 0.028 Vega
WISE_W3 357.54 85.03 12.343 0.258 Vega
WISE_W4 412.51 518.05 10.741 1.363 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})\, 10.758 10.915 10.998
{\rm log}_{10}({\rm SFR}) -4.138 -2.020 -0.689
{\rm log}_{10}({\rm sSFR}) -15.019 -12.863 -11.533
{\rm stellar\ age} 7.395 11.691 12.252

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.108 -0.722 -0.443
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.400 -0.627 0.040

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.066 0.225 0.503
\delta -0.942 -0.712 -0.290
\tau_1/\tau_2 0.419 0.903 1.427
Q_{PAH} 0.320 0.985 2.864
U_{min} 3.209 9.228 16.862
{\rm log}_{10}(\gamma_e)\, -3.339 -2.093 -0.672

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.437 -3.438 -2.476
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.517 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.168 -2.293 -0.919
0.03-0.10 Gyr -5.349 -2.477 -0.776
0.10-0.33 Gyr -5.921 -2.598 -0.670
0.33-1.08 Gyr -6.319 -2.570 -0.220
1.08-3.54 Gyr -4.531 -2.014 0.335
3.54-11.61 Gyr -2.178 -0.223 1.050
11.61-12.90 Gyr 0.165 2.015 2.137