2025nxu

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Information

Transient

Name: AT2025nxu
Right ascension: 22h29m13.64s
Declination: 10d51m45.14s
Discovery Date: June 17, 2025, 9:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.085

Host

Name:
Right ascension: 22h29m13.27s
Declination: 10d51m43.58s
Redshift: None
Photometric Redshift: 0.149

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	6.08
Cutout download	processed	29.8
Global aperture construction	processed	0.65
Local aperture photometry	processed	5.88
Global aperture photometry	processed	5.43
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	12.98
Host information	processed	0.14
Global host SED inference	processed	469.43
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) = 22h29m13.64s, 10d51m45.14s
semi major axis, semi minor axis (arcsec) = 0.77, 0.77
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) = 22h29m13.25s, 10d51m43.82s
semi major axis, semi minor axis (arcsec) = 6.79, 4.09
angle (degrees, anti-clockwise from east) = -143.83

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	8.83	2.6	21.535	0.319	AB
GALEX_NUV	6.99	0.59	21.789	0.092	AB
SDSS_u	-1.51	4.98			AB
SDSS_g	73.75	2.72	19.231	0.040	AB
DES_g	79.53	0.46	19.149	0.006	AB
PanSTARRS_g	82.28	1.31	19.112	0.017	AB
SDSS_r	147.13	4.27	18.481	0.031	AB
PanSTARRS_r	151.12	1.37	18.452	0.010	AB
DES_r	159.6	0.85	18.392	0.006	AB
SDSS_i	204.56	5.74	18.123	0.030	AB
PanSTARRS_i	212.72	1.4	18.080	0.007	AB
PanSTARRS_z	254.91	4.04	17.884	0.017	AB
SDSS_z	189.32	18.28	18.207	0.105	AB
DES_z	274.77	3.47	17.803	0.014	AB
PanSTARRS_y	279.04	7.19	17.786	0.028	AB

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})\,	10.271	10.334	10.404
{\rm log}_{10}({\rm SFR})	-0.048	0.280	0.584
{\rm log}_{10}({\rm sSFR})	-10.405	-10.055	-9.748
{\rm stellar\ age}	2.979	4.923	6.275

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.922	-0.419	-0.074
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.681	-1.199	-0.032

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.153	0.444	0.839
\delta	-0.350	0.132	0.326
\tau_1/\tau_2	0.564	0.935	1.303
Q_{PAH}	0.957	2.797	4.976
U_{min}	2.631	7.468	14.405
{\rm log}_{10}(\gamma_e)\,	-2.971	-1.594	-0.524

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.808	-1.970	-0.824
{\rm log}_{10}(\tau_{AGN})\,	0.998	1.359	1.862

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.025	0.320	0.606
0.03-0.10 Gyr	-0.171	0.243	0.593
0.10-0.32 Gyr	-0.015	0.410	0.752
0.32-1.03 Gyr	0.341	0.715	1.027
1.03-3.32 Gyr	0.365	0.633	0.855
3.32-10.69 Gyr	-0.155	0.339	0.536
10.69-11.88 Gyr	-0.608	0.234	0.711