2025npx

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Information

Transient

Name: AT2025npx
Right ascension: 12h10m24.38s
Declination: 22d04m02.31s
Discovery Date: June 14, 2025, 4:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name:
Right ascension: 12h10m24.23s
Declination: 22d03m54.95s
Redshift: 0.066061
Photometric Redshift:

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.45
Cutout download	processed	22.69
Global aperture construction	processed	0.65
Local aperture photometry	processed	7.69
Global aperture photometry	processed	6.73
Validate local photometry	processed	0.03
Validate global photometry	processed	17.57
Host information	processed	0.15
Global host SED inference	processed	374.41
Local host SED inference	processed	467.66
Transient information	processed	0.0
Transient MWEBV	processed	0.07
Host MWEBV	processed	0.05
Processing status	completed	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) = 12h10m24.38s, 22d04m02.31s
semi major axis, semi minor axis (arcsec) = 1.58, 1.58
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	3.3	1.21	22.602	0.397	AB
SDSS_g	6.71	0.79	21.832	0.128	AB
DES_g	7.62	0.18	21.696	0.025	AB
PanSTARRS_g	7.39	0.35	21.729	0.052	AB
SDSS_r	12.39	1.13	21.167	0.099	AB
PanSTARRS_r	11.86	0.54	21.214	0.050	AB
DES_r	13.16	0.37	21.101	0.030	AB
SDSS_i	13.66	1.42	21.061	0.113	AB
PanSTARRS_i	13.56	0.68	21.069	0.054	AB
PanSTARRS_z	17.49	0.96	20.793	0.059	AB
SDSS_z	22.4	3.83	20.525	0.186	AB
DES_z	17.85	1.08	20.771	0.065	AB
PanSTARRS_y	21.81	2.34	20.554	0.116	AB

Aperture details

RA, DEC (J2000) = 12h10m24.21s, 22d03m55.20s
semi major axis, semi minor axis (arcsec) = 13.39, 9.19
angle (degrees, anti-clockwise from east) = -13.66

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	53.44	8.04	19.580	0.163	AB
GALEX_NUV	47.1	5.32	19.718	0.123	AB
SDSS_u	203.93	8.68	18.126	0.046	AB
SDSS_g	543.12	6.76	17.063	0.014	AB
DES_g	595.89	1.43	16.962	0.003	AB
PanSTARRS_g	538.63	2.5	17.072	0.005	AB
SDSS_r	993.47	9.43	16.407	0.010	AB
PanSTARRS_r	946.73	3.86	16.459	0.004	AB
DES_r	1096.13	3.11	16.300	0.003	AB
SDSS_i	1286.7	11.97	16.126	0.010	AB
PanSTARRS_i	1290.49	4.79	16.123	0.004	AB
PanSTARRS_z	1583.86	6.76	15.901	0.005	AB
SDSS_z	1516.83	27.63	15.948	0.020	AB
DES_z	1684.25	9.84	15.834	0.006	AB
PanSTARRS_y	1908.01	16.35	15.699	0.009	AB
2MASS_J	2454.14	220.93	14.530	0.098	Vega
2MASS_H	2856.93	324.29	13.893	0.123	Vega
2MASS_K	2085.45	397.67	13.764	0.207	Vega
WISE_W1	1088.82	23.03	13.609	0.023	Vega
WISE_W2	658.65	30.58	13.514	0.050	Vega
WISE_W3	2670.48	119.53	10.160	0.049	Vega
WISE_W4	2746.07	744.83	8.683	0.294	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.050	8.361	8.503
{\rm log}_{10}({\rm SFR})	-2.107	-1.373	-0.479
{\rm log}_{10}({\rm sSFR})	-10.528	-9.782	-8.602
{\rm stellar\ age}	1.792	5.589	7.250

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.303	-0.599	-0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.672	-0.653	0.261

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.209	0.631	1.089
\delta	-0.544	-0.140	0.190
\tau_1/\tau_2	0.672	1.057	1.436
Q_{PAH}	1.207	3.070	5.185
U_{min}	3.199	8.426	16.174
{\rm log}_{10}(\gamma_e)\,	-2.798	-1.699	-0.679

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.446	-0.140	0.259
{\rm log}_{10}(\tau_{AGN})\,	1.137	1.455	1.918

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.372	-1.664	-1.140
0.03-0.10 Gyr	-2.233	-1.370	-0.345
0.10-0.33 Gyr	-2.292	-1.488	-0.868
0.33-1.08 Gyr	-2.726	-1.534	-1.105
1.08-3.53 Gyr	-2.901	-1.595	-1.301
3.53-11.59 Gyr	-3.212	-1.673	-1.383
11.59-12.88 Gyr	-3.089	-1.700	-1.154

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.422	10.466	10.530
{\rm log}_{10}({\rm SFR})	-0.166	0.090	0.369
{\rm log}_{10}({\rm sSFR})	-10.637	-10.368	-10.092
{\rm stellar\ age}	7.133	7.784	9.753

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.641	-0.467	-0.352
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.219	0.347	0.441

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.087	0.142	0.241
\delta	-0.730	-0.347	0.055
\tau_1/\tau_2	0.628	1.009	1.420
Q_{PAH}	1.417	3.467	5.173
U_{min}	2.544	7.695	15.527
{\rm log}_{10}(\gamma_e)\,	-1.765	-0.729	-0.246

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.885	-2.731	-1.641
{\rm log}_{10}(\tau_{AGN})\,	1.254	1.775	2.040

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.718	-0.331	-0.132
0.03-0.10 Gyr	-0.119	0.199	0.512
0.10-0.33 Gyr	-0.257	0.105	0.349
0.33-1.08 Gyr	-0.615	-0.104	0.117
1.08-3.53 Gyr	-0.530	0.107	0.417
3.53-11.59 Gyr	0.397	0.632	0.730
11.59-12.88 Gyr	0.292	0.792	1.406