2025xiw

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Information

Transient

Name: AT2025xiw
Right ascension: 16h05m01.96s
Declination: 33d18m56.53s
Discovery Date: Sept. 6, 2025, 3:11 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 16h05m01.92s
Declination: 33d18m57.39s
Redshift: None
Photometric Redshift: 0.132

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	5.61
Cutout download	processed	17.69
Global aperture construction	processed	2.7
Local aperture photometry	processed	6.88
Global aperture photometry	processed	6.22
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	17.28
Host information	processed	0.11
Global host SED inference	processed	561.79
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.05
Processing status	blocked	N/A	N/A

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) = 16h05m01.96s, 33d18m56.53s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
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) = 16h05m01.91s, 33d18m57.38s
semi major axis, semi minor axis (arcsec) = 4.07, 2.82
angle (degrees, anti-clockwise from east) = -33.43

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.58	1.72	21.854	0.283	AB
GALEX_NUV	3.3	1.03	22.604	0.340	AB
SDSS_u	6.81	2.52	21.817	0.402	AB
SDSS_g	7.81	1.2	21.669	0.167	AB
DES_g	6.81	0.2	21.816	0.033	AB
PanSTARRS_g	10.51	0.98	21.346	0.101	AB
SDSS_r	3.86	1.59	22.434	0.447	AB
PanSTARRS_r	8.41	1.01	21.588	0.130	AB
DES_r	8.73	0.41	21.548	0.050	AB
SDSS_i	12.1	2.71	21.193	0.243	AB
PanSTARRS_i	10.79	1.03	21.318	0.104	AB
PanSTARRS_z	8.94	2.2	21.522	0.268	AB
SDSS_z	19.4	9.68	20.681	0.542	AB
DES_z	8.67	1.11	21.555	0.140	AB
PanSTARRS_y	11.91	4.72	21.211	0.431	AB
2MASS_J	30.24	87.66	19.304	3.147	Vega
2MASS_H	24.1	145.0	19.077	6.533	Vega
2MASS_K	-300.26	147.94			Vega
WISE_W1	-3.83	7.35			Vega
WISE_W2	-4.03	8.57			Vega
WISE_W3	-1.02	30.01			Vega
WISE_W4	246.67	242.08	11.300	1.066	Vega

Imaging data

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})\,	8.058	8.310	8.529
{\rm log}_{10}({\rm SFR})	-0.963	-0.662	-0.156
{\rm log}_{10}({\rm sSFR})	-9.385	-8.931	-8.263
{\rm stellar\ age}	0.451	3.111	5.331

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.480	-0.854	-0.144
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.657	-0.965	0.137

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.054	0.159	0.610
\delta	-0.427	0.091	0.329
\tau_1/\tau_2	0.604	1.015	1.459
Q_{PAH}	1.274	3.057	5.068
U_{min}	3.220	8.890	16.163
{\rm log}_{10}(\gamma_e)\,	-3.047	-1.913	-0.845

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-0.953	-0.046	0.256
{\rm log}_{10}(\tau_{AGN})\,	1.065	1.406	1.772

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.990	-0.760	-0.445
0.03-0.10 Gyr	-1.029	-0.623	-0.087
0.10-0.32 Gyr	-1.209	-0.746	-0.424
0.32-1.04 Gyr	-2.502	-1.289	-0.908
1.04-3.36 Gyr	-3.500	-1.858	-1.353
3.36-10.86 Gyr	-3.802	-2.058	-1.467
10.86-12.07 Gyr	-3.845	-2.079	-1.372