2025nxl

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Information

Transient

Name: AT2025nxl
Right ascension: 15h44m25.07s
Declination: 24d43m58.78s
Discovery Date: June 17, 2025, 6:37 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name: J154424.86+244400
Right ascension: 15h44m24.86s
Declination: 24d44m00.05s
Redshift: 0.159761
Photometric Redshift: 0.157

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	3.96
Cutout download	processed	25.63
Global aperture construction	processed	0.66
Local aperture photometry	processed	6.73
Global aperture photometry	processed	6.01
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	16.14
Host information	processed	0.14
Global host SED inference	processed	546.55
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.04
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) = 15h44m25.07s, 24d43m58.78s
semi major axis, semi minor axis (arcsec) = 0.73, 0.73
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) = 15h44m24.85s, 24d44m00.29s
semi major axis, semi minor axis (arcsec) = 8.31, 6.12
angle (degrees, anti-clockwise from east) = -70.43

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	11.16	2.64	21.281	0.257	AB
GALEX_NUV	11.86	2.17	21.215	0.199	AB
SDSS_u	47.96	5.54	19.698	0.125	AB
SDSS_g	138.86	3.92	18.544	0.031	AB
DES_g	170.75	0.89	18.319	0.006	AB
PanSTARRS_g	178.25	1.34	18.272	0.008	AB
SDSS_r	404.55	5.95	17.383	0.016	AB
PanSTARRS_r	403.23	1.62	17.386	0.004	AB
DES_r	441.54	2.05	17.288	0.005	AB
SDSS_i	587.78	8.56	16.977	0.016	AB
PanSTARRS_z	747.33	4.97	16.716	0.007	AB
SDSS_z	816.0	18.62	16.621	0.025	AB
DES_z	837.4	5.41	16.593	0.007	AB
PanSTARRS_y	887.47	10.81	16.530	0.013	AB
2MASS_J	1145.88	180.65	15.357	0.171	Vega
2MASS_H	1961.21	278.16	14.301	0.154	Vega
2MASS_K	1641.09	317.48	14.024	0.210	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})\,	11.063	11.112	11.189
{\rm log}_{10}({\rm SFR})	0.333	0.679	1.023
{\rm log}_{10}({\rm sSFR})	-10.806	-10.465	-10.100
{\rm stellar\ age}	5.090	6.828	8.063

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.745	-0.337	-0.058
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.326	-0.845	-0.258

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.282	0.709	1.187
\delta	-0.381	0.031	0.268
\tau_1/\tau_2	0.294	0.656	1.116
Q_{PAH}	0.618	2.486	4.651
U_{min}	2.371	6.732	14.071
{\rm log}_{10}(\gamma_e)\,	-3.431	-2.420	-1.061

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.069	-2.037	-0.693
{\rm log}_{10}(\tau_{AGN})\,	0.896	1.470	1.922

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.525	0.942	1.271
0.03-0.10 Gyr	-0.246	0.443	0.887
0.10-0.32 Gyr	-0.642	0.297	0.809
0.32-1.03 Gyr	-0.330	0.470	1.057
1.03-3.30 Gyr	0.200	1.031	1.536
3.30-10.58 Gyr	0.741	1.291	1.417
10.58-11.75 Gyr	0.406	1.333	1.873