2025xsl

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Information

Transient

Name: AT2025xsl
Right ascension: 17h22m37.36s
Declination: 28d44m24.34s
Discovery Date: Sept. 14, 2025, 3:41 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name: J172237.28+284423
Right ascension: 17h22m37.28s
Declination: 28d44m23.03s
Redshift: 0.144530
Photometric Redshift: 0.143

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	8.4
Transient MWEBV	processed	0.05
Host match	processed	5.28
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	0.6
Global aperture photometry	processed	4.32
Validate global photometry	processed	12.0
Global host SED inference	processed	391.47
Local aperture photometry	processed	4.8
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) = 17h22m37.36s, 28d44m24.34s
semi major axis, semi minor axis (arcsec) = 0.79, 0.79
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) = 17h22m37.27s, 28d44m23.22s
semi major axis, semi minor axis (arcsec) = 7.39, 6.53
angle (degrees, anti-clockwise from east) = -99.03

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	18.45	3.65	20.735	0.215	AB
GALEX_NUV	23.36	1.23	20.479	0.057	AB
SDSS_g	276.29	4.65	17.797	0.018	AB
DES_g	286.62	1.16	17.757	0.004	AB
PanSTARRS_g	276.52	1.42	17.796	0.006	AB
PanSTARRS_r	575.45	1.89	17.000	0.004	AB
PanSTARRS_i	779.34	2.96	16.671	0.004	AB
PanSTARRS_z	939.86	4.73	16.467	0.005	AB
PanSTARRS_y	1031.79	10.91	16.366	0.011	AB
2MASS_J	1351.67	154.14	15.178	0.124	Vega
2MASS_H	1295.86	269.02	14.751	0.225	Vega
2MASS_K	1770.33	235.1	13.942	0.144	Vega
WISE_W1	716.54	18.21	14.063	0.028	Vega
WISE_W2	486.58	19.22	13.843	0.043	Vega
WISE_W3	1114.6	59.26	11.108	0.058	Vega
WISE_W4	530.06	296.19	10.469	0.607	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})\,	10.886	10.928	10.976
{\rm log}_{10}({\rm SFR})	0.198	0.437	0.669
{\rm log}_{10}({\rm sSFR})	-10.740	-10.494	-10.245
{\rm stellar\ age}	6.307	6.912	7.730

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.805	-0.619	-0.477
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.505	-0.712	-0.088

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.125	0.191	0.284
\delta	-0.741	-0.415	-0.078
\tau_1/\tau_2	0.640	0.997	1.369
Q_{PAH}	0.815	2.082	3.722
U_{min}	2.328	6.999	13.863
{\rm log}_{10}(\gamma_e)\,	-3.042	-1.895	-0.938

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.967	-2.729	-1.746
{\rm log}_{10}(\tau_{AGN})\,	1.086	1.565	1.941

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.083	0.339	0.521
0.03-0.10 Gyr	0.156	0.468	0.761
0.10-0.32 Gyr	0.165	0.486	0.730
0.32-1.04 Gyr	0.172	0.510	0.735
1.04-3.33 Gyr	0.439	0.828	1.043
3.33-10.73 Gyr	1.008	1.139	1.229
10.73-11.92 Gyr	0.716	1.165	1.581