2025xxw

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Information

Transient

Name: AT2025xxw
Right ascension: 21h16m51.65s
Declination: 13d20m52.32s
Discovery Date: Sept. 18, 2025, 5:20 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.050

Host

Name:
Right ascension: 21h16m51.51s
Declination: 13d20m51.74s
Redshift: None
Photometric Redshift: 0.126

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.71
Transient MWEBV	processed	0.12
Host match	processed	5.31
Host information	processed	0.12
Host MWEBV	processed	0.05
Global aperture construction	processed	0.67
Global aperture photometry	processed	5.39
Validate global photometry	processed	13.35
Global host SED inference	processed	537.2
Local aperture photometry	failed	0.04
Validate local photometry	not processed	None
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) = 21h16m51.65s, 13d20m52.32s
semi major axis, semi minor axis (arcsec) = 0.89, 0.89
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) = 21h16m51.50s, 13d20m51.97s
semi major axis, semi minor axis (arcsec) = 5.78, 4.7
angle (degrees, anti-clockwise from east) = -67.82

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	170.56	0.73	18.320	0.005	AB
PanSTARRS_g	173.7	1.18	18.300	0.007	AB
PanSTARRS_r	390.07	1.5	17.422	0.004	AB
DES_r	431.39	1.49	17.313	0.004	AB
PanSTARRS_i	584.28	1.59	16.983	0.003	AB
PanSTARRS_z	750.55	3.39	16.712	0.005	AB
DES_z	794.85	6.35	16.649	0.009	AB
PanSTARRS_y	898.95	8.82	16.516	0.011	AB
2MASS_J	1375.82	159.86	15.159	0.126	Vega
2MASS_H	827.71	250.67	15.238	0.329	Vega
2MASS_K	1643.56	281.65	14.023	0.186	Vega
WISE_W1	525.26	22.97	14.400	0.047	Vega
WISE_W2	332.35	22.27	14.257	0.073	Vega
WISE_W3	56.19	74.74	14.352	1.444	Vega
WISE_W4	-131.95	417.4			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})\,	10.728	10.840	10.979
{\rm log}_{10}({\rm SFR})	-5.180	-1.724	-0.143
{\rm log}_{10}({\rm sSFR})	-16.015	-12.536	-10.888
{\rm stellar\ age}	6.550	8.067	11.516

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.446	-1.125	-0.839
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.539	-0.702	0.105

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.298	0.433	0.582
\delta	-0.898	-0.682	-0.410
\tau_1/\tau_2	0.500	0.937	1.404
Q_{PAH}	0.727	2.270	5.185
U_{min}	3.657	10.777	18.761
{\rm log}_{10}(\gamma_e)\,	-2.831	-1.440	-0.362

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.135	-2.889	-1.826
{\rm log}_{10}(\tau_{AGN})\,	1.138	1.655	2.002

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-6.288	-2.263	-0.415
0.03-0.10 Gyr	-6.093	-2.132	-0.076
0.10-0.32 Gyr	-5.759	-2.210	0.052
0.32-1.05 Gyr	-5.364	-2.064	0.279
1.05-3.38 Gyr	-3.528	-0.891	0.815
3.38-10.93 Gyr	-1.593	0.760	1.139
10.93-12.14 Gyr	-0.476	1.443	2.146