2025xew

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Information

Transient

Name: AT2025xew
Right ascension: 22h45m53.99s
Declination: 3d40m23.80s
Discovery Date: Sept. 2, 2025, 10:10 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.053

Host

Name:
Right ascension: 22h45m53.88s
Declination: 3d40m21.25s
Redshift: None
Photometric Redshift: 0.124

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.06
Transient MWEBV	processed	0.04
Host match	processed	6.01
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	5.25
Validate global photometry	processed	14.34
Global host SED inference	processed	436.88
Local aperture photometry	processed	5.41
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) = 22h45m53.99s, 3d40m23.80s
semi major axis, semi minor axis (arcsec) = 0.9, 0.9
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) = 22h45m53.86s, 3d40m21.32s
semi major axis, semi minor axis (arcsec) = 5.58, 4.15
angle (degrees, anti-clockwise from east) = -5.04

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	6.81	4.02	21.818	0.641	AB
SDSS_g	67.22	2.79	19.331	0.045	AB
PanSTARRS_g	76.75	0.94	19.187	0.013	AB
SDSS_r	136.79	3.86	18.560	0.031	AB
PanSTARRS_r	133.97	1.19	18.582	0.010	AB
DES_r	143.89	1.27	18.505	0.010	AB
SDSS_i	184.83	5.58	18.233	0.033	AB
PanSTARRS_i	181.39	1.08	18.253	0.006	AB
PanSTARRS_z	225.03	3.3	18.019	0.016	AB
SDSS_z	176.87	13.87	18.281	0.085	AB
PanSTARRS_y	266.65	8.13	17.835	0.033	AB
2MASS_J	181.12	131.56	17.360	0.789	Vega
2MASS_H	27.67	220.51	18.927	8.651	Vega
2MASS_K	124.11	231.17	16.828	2.022	Vega
WISE_W1	110.33	13.05	16.094	0.128	Vega
WISE_W2	91.32	20.98	15.660	0.249	Vega
WISE_W3	102.91	77.48	13.695	0.817	Vega
WISE_W4	533.51	517.53	10.462	1.053	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})\,	9.919	10.071	10.161
{\rm log}_{10}({\rm SFR})	-1.208	-0.508	0.149
{\rm log}_{10}({\rm sSFR})	-11.316	-10.597	-9.866
{\rm stellar\ age}	3.525	5.891	7.123

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.295	-0.880	-0.591
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.467	-0.482	0.174

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.170	0.315	0.544
\delta	-0.886	-0.642	-0.289
\tau_1/\tau_2	0.598	0.972	1.341
Q_{PAH}	0.729	2.404	4.988
U_{min}	2.818	7.998	15.672
{\rm log}_{10}(\gamma_e)\,	-2.307	-1.232	-0.392

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.075	-2.758	-1.660
{\rm log}_{10}(\tau_{AGN})\,	1.071	1.576	1.939

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.659	-0.773	-0.416
0.03-0.10 Gyr	-1.404	-0.466	0.288
0.10-0.32 Gyr	-1.050	-0.079	0.520
0.32-1.05 Gyr	-0.504	0.158	0.507
1.05-3.38 Gyr	-0.330	0.196	0.473
3.38-10.95 Gyr	-0.608	0.139	0.342
10.95-12.16 Gyr	-0.885	0.066	0.611