2026zbx results

2026zbx results

Information

Transient

Name:	`AT2026zbx`
Right ascension:	`2h28m03.96s`
Declination:	`6d31m15.17s`
Discovery Date:	`Aug. 8, 2026, 9:21 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.069`

Host

Name:	`J022803.95+063121.42`
Object ID:	`9906623877153923`
Catalog Name:	`decals`
Catalog Release:	`dr9`
Right ascension:	`2h28m03.95s`
Declination:	`6d31m21.42s`
Redshift:	`None`
Photometric Redshift:	`0.064`

Cutout Download Report

Downloadable	Unavailable
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_z	DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	19.3
Transient MWEBV	processed	0.05
Host match	processed	6.23
Host information	processed	0.15
Host MWEBV	processed	0.1
Host spectrum download	processed	0.16
Global aperture construction	processed	0.62
Global aperture photometry	processed	6.94
Validate global photometry	processed	17.85
Global host SED inference	processed	323.92
Local aperture photometry	processed	6.97
Validate local photometry	processed	0.03
Local host SED inference	processed	365.48

Imaging data

Spectral Energy Distribution

Host Galaxy Spectrum

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.371	8.598	8.753
{\rm log}_{10}({\rm SFR})	-1.516	-0.900	-0.379
{\rm log}_{10}({\rm sSFR})	-10.167	-9.483	-8.815
{\rm stellar\ age}	2.175	5.497	7.116

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.445	-0.760	-0.160
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.534	-0.744	0.023

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.336	0.776	1.260
\delta	-0.442	-0.022	0.245
\tau_1/\tau_2	0.703	1.010	1.327
Q_{PAH}	0.776	2.126	4.228
U_{min}	3.013	8.260	15.810
{\rm log}_{10}(\gamma_e)\,	-2.770	-1.431	-0.451

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.118	-2.509	-0.205
{\rm log}_{10}(\tau_{AGN})\,	1.011	1.428	1.925

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.759	-0.989	-0.524
0.03-0.10 Gyr	-1.632	-0.932	-0.336
0.10-0.33 Gyr	-1.723	-1.088	-0.546
0.33-1.08 Gyr	-1.942	-1.271	-0.901
1.08-3.54 Gyr	-2.140	-1.328	-1.033
3.54-11.61 Gyr	-2.531	-1.452	-1.151
11.61-12.90 Gyr	-2.689	-1.477	-0.945

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.293	10.351	10.409
{\rm log}_{10}({\rm SFR})	-0.351	-0.101	0.166
{\rm log}_{10}({\rm sSFR})	-10.707	-10.461	-10.151
{\rm stellar\ age}	6.638	7.365	8.299

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.599	-0.430	-0.299
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.367	-0.645	0.030

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.144	0.228	0.348
\delta	-0.731	-0.424	-0.130
\tau_1/\tau_2	0.675	0.974	1.277
Q_{PAH}	0.504	1.557	3.237
U_{min}	2.509	7.209	14.384
{\rm log}_{10}(\gamma_e)\,	-3.082	-2.098	-1.082

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.342	-3.228	-2.151
{\rm log}_{10}(\tau_{AGN})\,	1.065	1.551	1.946

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.447	-0.170	0.049
0.03-0.10 Gyr	-0.432	-0.092	0.241
0.10-0.33 Gyr	-0.468	-0.094	0.223
0.33-1.08 Gyr	-0.397	-0.075	0.168
1.08-3.54 Gyr	-0.080	0.228	0.459
3.54-11.61 Gyr	0.368	0.523	0.620
11.61-12.90 Gyr	0.077	0.526	0.957

Aperture Photometry

Aperture details

RA, DEC (J2000):	2h28m03.96s, 6d31m15.17s
semi major axis, semi minor axis (arcsec):	1.62, 1.62
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	3.52	1.3	22.534	0.402	AB
SDSS_g	10.46	0.93	21.351	0.096	AB
DES_g	12.02	0.18	21.200	0.017	AB
PanSTARRS_g	12.37	0.49	21.169	0.043	AB
SDSS_r	17.61	1.3	20.786	0.080	AB
PanSTARRS_r	15.92	0.53	20.895	0.036	AB
DES_r	21.65	0.37	20.561	0.018	AB
SDSS_i	27.65	1.83	20.296	0.072	AB
PanSTARRS_i	23.71	0.41	20.463	0.019	AB
PanSTARRS_z	28.83	0.98	20.250	0.037	AB
SDSS_z	31.08	6.59	20.169	0.230	AB
DES_z	33.96	1.15	20.072	0.037	AB
PanSTARRS_y	35.79	2.41	20.016	0.073	AB

Aperture details

RA, DEC (J2000):	2h28m03.94s, 6d31m21.32s
semi major axis, semi minor axis (arcsec):	12.78, 8.94
angle (degrees, anti-clockwise from east):	232.7

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	21.99	3.25	20.545	0.161	AB
GALEX_NUV	26.86	2.8	20.327	0.113	AB
SDSS_u	129.32	8.62	18.621	0.072	AB
SDSS_g	379.51	5.75	17.452	0.016	AB
PanSTARRS_g	419.54	3.21	17.343	0.008	AB
SDSS_r	685.79	8.35	16.810	0.013	AB
PanSTARRS_r	702.58	3.51	16.783	0.005	AB
DES_r	788.72	2.26	16.658	0.003	AB
SDSS_i	1050.02	11.71	16.347	0.012	AB
PanSTARRS_i	991.82	2.68	16.409	0.003	AB
PanSTARRS_z	1267.69	6.39	16.142	0.005	AB
SDSS_z	1133.33	43.39	16.264	0.042	AB
DES_z	1361.33	7.36	16.065	0.006	AB
PanSTARRS_y	1556.98	15.86	15.919	0.011	AB
WISE_W1	897.97	20.74	13.818	0.025	Vega
WISE_W2	588.87	24.82	13.636	0.046	Vega
WISE_W3	1256.18	108.02	10.978	0.093	Vega
WISE_W4	737.0	472.03	10.111	0.695	Vega