2025xau

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Information

Transient

Name: AT2025xau
Right ascension: 15h45m34.79s
Declination: 17d45m33.61s
Discovery Date: Sept. 6, 2025, 5:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.026

Host

Name:
Right ascension: 15h45m34.66s
Declination: 17d45m34.79s
Redshift: None
Photometric Redshift: 0.116

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	14.69
Transient MWEBV	processed	0.05
Host match	processed	6.5
Host information	processed	0.15
Host MWEBV	processed	0.06
Global aperture construction	processed	0.71
Global aperture photometry	processed	5.47
Validate global photometry	processed	14.6
Global host SED inference	processed	388.44
Local aperture photometry	processed	6.41
Validate local photometry	processed	0.03
Local host SED inference	not enough filters	21.16

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) = 15h45m34.79s, 17d45m33.61s
semi major axis, semi minor axis (arcsec) = 0.95, 0.95
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	73.14	3.38	19.240	0.050	AB

Aperture details

RA, DEC (J2000) = 15h45m34.67s, 17d45m35.21s
semi major axis, semi minor axis (arcsec) = 8.41, 6.91
angle (degrees, anti-clockwise from east) = -87.89

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	25.65	1.1	20.377	0.046	AB
GALEX_NUV	44.55	0.64	19.778	0.015	AB
SDSS_u	110.53	7.0	18.791	0.069	AB
DES_g	450.81	1.47	17.265	0.004	AB
PanSTARRS_g	458.94	2.56	17.246	0.006	AB
PanSTARRS_r	782.98	2.18	16.666	0.003	AB
DES_r	853.76	2.96	16.572	0.004	AB
PanSTARRS_i	1077.96	2.33	16.318	0.002	AB
PanSTARRS_z	1291.04	4.55	16.123	0.004	AB
DES_z	1400.51	15.26	16.034	0.012	AB
PanSTARRS_y	1510.76	9.42	15.952	0.007	AB
2MASS_J	1845.49	148.2	14.840	0.087	Vega
2MASS_H	1899.83	246.02	14.336	0.141	Vega
2MASS_K	2109.16	290.27	13.752	0.149	Vega
WISE_W1	970.2	21.12	13.734	0.024	Vega
WISE_W2	671.95	23.93	13.493	0.039	Vega
WISE_W3	2095.37	78.22	10.423	0.041	Vega
WISE_W4	3002.25	524.38	8.586	0.190	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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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})\,	10.791	10.829	10.874
{\rm log}_{10}({\rm SFR})	0.282	0.593	0.852
{\rm log}_{10}({\rm sSFR})	-10.578	-10.232	-9.957
{\rm stellar\ age}	6.156	6.814	7.833

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.584	-0.405	-0.282
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.510	-0.211	0.322

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.126	0.191	0.301
\delta	-0.774	-0.498	-0.218
\tau_1/\tau_2	0.749	1.076	1.436
Q_{PAH}	0.849	2.370	4.177
U_{min}	2.315	7.062	14.223
{\rm log}_{10}(\gamma_e)\,	-2.445	-1.249	-0.508

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.600	-2.265	-1.406
{\rm log}_{10}(\tau_{AGN})\,	1.257	1.721	1.987

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.762	-0.025	0.282
0.03-0.10 Gyr	0.346	0.718	1.001
0.10-0.32 Gyr	0.626	0.870	1.099
0.32-1.05 Gyr	0.478	0.747	0.926
1.05-3.40 Gyr	0.474	0.768	0.973
3.40-11.03 Gyr	0.837	0.984	1.077
11.03-12.26 Gyr	0.644	1.071	1.522