2025xsw

Download data

Information

Transient

Name: AT2025xsw
Right ascension: 21h46m44.31s
Declination: -5d34m12.82s
Discovery Date: Sept. 14, 2025, 5:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name:
Right ascension: 21h46m44.47s
Declination: -5d34m18.11s
Redshift: None
Photometric Redshift: 0.090

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	9.3
Transient MWEBV	processed	0.04
Host match	processed	6.47
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	4.63
Validate global photometry	processed	13.26
Global host SED inference	processed	487.77
Local aperture photometry	processed	4.81
Validate local photometry	processed	0.02
Local host SED inference	processed	440.36

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) = 21h46m44.31s, -5d34m12.82s
semi major axis, semi minor axis (arcsec) = 1.2, 1.2
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	5.01	0.11	22.150	0.025	AB
PanSTARRS_r	9.58	0.37	21.447	0.041	AB
PanSTARRS_i	11.34	0.39	21.264	0.038	AB
PanSTARRS_z	12.95	0.94	21.119	0.079	AB
PanSTARRS_y	18.32	2.61	20.742	0.154	AB

Aperture details

RA, DEC (J2000) = 21h46m44.46s, -5d34m18.08s
semi major axis, semi minor axis (arcsec) = 13.3, 4.97
angle (degrees, anti-clockwise from east) = -28.73

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	14.94	3.02	20.964	0.220	AB
GALEX_NUV	27.87	2.86	20.287	0.111	AB
SDSS_u	57.22	9.28	19.506	0.176	AB
SDSS_g	170.74	4.22	18.319	0.027	AB
DES_g	130.53	0.67	18.611	0.006	AB
PanSTARRS_g	157.49	1.69	18.407	0.012	AB
PanSTARRS_r	288.01	2.47	17.751	0.009	AB
PanSTARRS_i	404.46	2.63	17.383	0.007	AB
PanSTARRS_z	476.2	6.33	17.206	0.014	AB
PanSTARRS_y	599.58	17.26	16.955	0.031	AB
2MASS_J	881.25	241.88	15.642	0.298	Vega
2MASS_H	1088.01	380.25	14.941	0.379	Vega
2MASS_K	1026.81	402.95	14.533	0.426	Vega
WISE_W1	321.17	20.52	14.934	0.069	Vega
WISE_W2	180.48	31.21	14.920	0.188	Vega
WISE_W3	302.55	127.14	12.524	0.456	Vega
WISE_W4	960.51	600.48	9.824	0.679	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Click the image to load the interactive plot.

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.486	8.653	8.764
{\rm log}_{10}({\rm SFR})	-2.179	-1.536	-0.874
{\rm log}_{10}({\rm sSFR})	-10.860	-10.225	-9.459
{\rm stellar\ age}	3.691	6.282	7.537

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.435	-0.752	-0.196
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.493	-0.643	0.140

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.251	0.607	1.169
\delta	-0.379	0.025	0.267
\tau_1/\tau_2	0.653	1.034	1.380
Q_{PAH}	1.250	3.009	5.174
U_{min}	2.981	7.853	14.837
{\rm log}_{10}(\gamma_e)\,	-2.759	-1.704	-0.646

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-0.890	-0.012	0.309
{\rm log}_{10}(\tau_{AGN})\,	1.176	1.524	1.975

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.432	-1.736	-1.105
0.03-0.10 Gyr	-2.314	-1.548	-0.802
0.10-0.33 Gyr	-2.132	-1.442	-0.785
0.33-1.06 Gyr	-2.073	-1.394	-0.928
1.06-3.47 Gyr	-1.878	-1.301	-1.037
3.47-11.32 Gyr	-1.921	-1.279	-1.079
11.32-12.58 Gyr	-2.153	-1.320	-0.801

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.320	10.390	10.430
{\rm log}_{10}({\rm SFR})	-0.275	-0.005	0.247
{\rm log}_{10}({\rm sSFR})	-10.665	-10.373	-10.107
{\rm stellar\ age}	8.328	11.213	11.871

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.378	-0.278	-0.188
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.079	0.214	0.338

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.052	0.095	0.162
\delta	-0.869	-0.619	-0.274
\tau_1/\tau_2	0.953	1.373	1.747
Q_{PAH}	0.685	1.897	3.603
U_{min}	2.675	7.577	14.278
{\rm log}_{10}(\gamma_e)\,	-2.568	-1.452	-0.496

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.434	-3.409	-2.394
{\rm log}_{10}(\tau_{AGN})\,	1.026	1.524	1.899

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.375	-0.145	0.053
0.03-0.10 Gyr	-0.305	0.045	0.337
0.10-0.33 Gyr	-2.015	-1.011	-0.455
0.33-1.06 Gyr	-3.174	-1.793	-1.075
1.06-3.47 Gyr	-2.629	-1.471	-0.760
3.47-11.32 Gyr	-1.519	-0.124	0.538
11.32-12.58 Gyr	0.801	1.476	1.571