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

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	0.79
Cutout download	processed	3.49
Global aperture construction	processed	0.17
Local aperture photometry	processed	0.89
Global aperture photometry	processed	0.99
Validate local photometry	no valid phot	0.01
Validate global photometry	processed	1.35
Host information	processed	0.09
Global host SED inference	processed	1813.68
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.11
Host MWEBV	processed	0.05
Processing status	blocked	N/A	N/A

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

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