2025kxj

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Information

Transient

Name: AT2025kxj
Right ascension: 8h41m24.42s
Declination: 43d15m48.16s
Discovery Date: May 21, 2025, 4:42 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.022

Host

Name: 2025kxj
Right ascension: 8h41m24.49s
Declination: 43d15m48.70s
Redshift: None
Photometric Redshift: 0.190

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	15.67
Transient MWEBV	processed	0.17
Host match	processed	2.14
Host information	processed	0.09
Host MWEBV	processed	0.11
Global aperture construction	processed	0.73
Global aperture photometry	processed	6.19
Validate global photometry	processed	17.47
Global host SED inference	processed	394.0
Local aperture photometry	processed	5.82
Validate local photometry	no valid phot	0.02
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) = 8h41m24.42s, 43d15m48.16s
semi major axis, semi minor axis (arcsec) = 0.63, 0.63
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) = 8h41m24.48s, 43d15m48.72s
semi major axis, semi minor axis (arcsec) = 6.52, 3.31
angle (degrees, anti-clockwise from east) = -140.09

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.75	0.62	22.208	0.142	AB
GALEX_NUV	6.49	0.54	21.869	0.090	AB
SDSS_u	25.85	3.39	20.369	0.142	AB
SDSS_g	43.22	2.18	19.811	0.055	AB
PanSTARRS_g	44.01	0.65	19.791	0.016	AB
SDSS_r	75.01	2.97	19.212	0.043	AB
PanSTARRS_r	75.14	0.63	19.210	0.009	AB
SDSS_i	87.89	4.32	19.040	0.053	AB
PanSTARRS_i	89.11	1.0	19.025	0.012	AB
PanSTARRS_z	105.81	2.56	18.839	0.026	AB
SDSS_z	72.09	12.2	19.255	0.184	AB
PanSTARRS_y	113.38	7.87	18.764	0.075	AB
2MASS_J	125.34	115.91	17.760	1.004	Vega
2MASS_H	135.38	215.86	17.203	1.731	Vega
2MASS_K	272.73	191.32	15.973	0.762	Vega
WISE_W1	110.04	10.73	16.097	0.106	Vega
WISE_W2	75.82	13.34	15.862	0.191	Vega
WISE_W3	141.59	67.45	13.348	0.517	Vega
WISE_W4	448.46	446.1	10.651	1.080	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})\,	9.716	9.896	10.034
{\rm log}_{10}({\rm SFR})	-0.064	0.588	1.024
{\rm log}_{10}({\rm sSFR})	-10.020	-9.310	-8.795
{\rm stellar\ age}	1.299	3.393	5.063

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.070	-0.409	-0.018
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.443	-0.890	-0.239

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.314	0.524	0.730
\delta	-0.369	-0.102	0.127
\tau_1/\tau_2	0.641	0.998	1.373
Q_{PAH}	1.510	3.338	5.254
U_{min}	2.837	8.294	15.789
{\rm log}_{10}(\gamma_e)\,	-2.903	-1.940	-0.763

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.699	-1.966	-1.087
{\rm log}_{10}(\tau_{AGN})\,	0.903	1.333	1.818

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.760	-0.050	0.328
0.03-0.10 Gyr	-0.046	0.710	1.172
0.10-0.32 Gyr	0.450	0.875	1.200
0.32-1.01 Gyr	-0.473	0.385	0.732
1.01-3.23 Gyr	-1.049	-0.040	0.309
3.23-10.28 Gyr	-1.444	-0.333	0.054
10.28-11.42 Gyr	-1.548	-0.362	0.236