2026uan results

2026uan results

Information

Transient

Name:	`AT2026uan`
Right ascension:	`15h59m20.05s`
Declination:	`31d57m53.76s`
Discovery Date:	`July 3, 2026, 5:54 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.025`

Host

Name:	`J155920.14+315753.11`
Object ID:	`9906632954021969`
Catalog Name:	`decals`
Catalog Release:	`dr9`
Right ascension:	`15h59m20.14s`
Declination:	`31d57m53.11s`
Redshift:	`None`
Photometric Redshift:	`0.057`

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_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	16.23
Transient MWEBV	processed	0.1
Host match	processed	5.83
Host information	processed	0.2
Host MWEBV	processed	0.05
Host spectrum download	not processed	None
Global aperture construction	processed	0.69
Global aperture photometry	processed	5.39
Validate global photometry	processed	15.81
Global host SED inference	processed	429.0
Local aperture photometry	processed	5.21
Validate local photometry	processed	0.02
Local host SED inference	processed	502.85

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})\,	8.594	8.818	8.970
{\rm log}_{10}({\rm SFR})	-1.196	-0.658	-0.126
{\rm log}_{10}({\rm sSFR})	-10.078	-9.466	-8.844
{\rm stellar\ age}	1.256	4.496	6.511

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.820	-1.471	-0.837
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.693	-1.204	-0.348

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.098	0.396	0.708
\delta	-0.483	-0.032	0.275
\tau_1/\tau_2	0.696	1.041	1.419
Q_{PAH}	0.602	2.389	5.011
U_{min}	3.006	8.329	15.642
{\rm log}_{10}(\gamma_e)\,	-3.098	-1.848	-0.579

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.681	-1.575	-0.252
{\rm log}_{10}(\tau_{AGN})\,	1.125	1.522	1.957

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.248	-0.916	-0.653
0.03-0.10 Gyr	-1.321	-0.599	-0.001
0.10-0.33 Gyr	-1.071	-0.472	-0.004
0.33-1.08 Gyr	-1.484	-0.844	-0.486
1.08-3.56 Gyr	-2.344	-1.134	-0.790
3.56-11.69 Gyr	-3.029	-1.383	-0.966
11.69-12.99 Gyr	-3.050	-1.429	-0.815

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.948	9.173	9.310
{\rm log}_{10}({\rm SFR})	-0.634	-0.239	0.004
{\rm log}_{10}({\rm sSFR})	-9.793	-9.423	-9.111
{\rm stellar\ age}	3.299	5.666	7.133

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.515	-1.175	-0.822
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.626	-1.048	-0.311

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.030	0.084	0.181
\delta	-0.510	-0.033	0.268
\tau_1/\tau_2	0.487	0.840	1.236
Q_{PAH}	0.352	1.153	2.474
U_{min}	3.000	8.058	15.519
{\rm log}_{10}(\gamma_e)\,	-2.679	-1.540	-0.649

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.437	-2.216	-1.690
{\rm log}_{10}(\tau_{AGN})\,	1.025	1.425	1.822

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.902	-1.211	-0.940
0.03-0.10 Gyr	-0.519	-0.095	0.161
0.10-0.33 Gyr	-0.395	-0.078	0.238
0.33-1.08 Gyr	-1.515	-0.728	-0.425
1.08-3.56 Gyr	-1.480	-0.829	-0.559
3.56-11.69 Gyr	-1.544	-0.880	-0.609
11.69-12.99 Gyr	-1.582	-0.794	-0.315

Aperture Photometry

Aperture details

RA, DEC (J2000):	15h59m20.05s, 31d57m53.76s
semi major axis, semi minor axis (arcsec):	1.8, 1.8
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	28.58	1.83	20.260	0.070	AB
SDSS_g	65.87	2.15	19.353	0.035	AB
PanSTARRS_g	70.29	0.53	19.283	0.008	AB
SDSS_r	78.35	2.42	19.165	0.033	AB
PanSTARRS_r	80.66	0.55	19.133	0.007	AB
SDSS_i	95.9	2.84	18.945	0.032	AB
PanSTARRS_i	100.57	0.56	18.894	0.006	AB
PanSTARRS_z	89.65	1.19	19.019	0.014	AB
SDSS_z	100.53	5.3	18.894	0.057	AB
PanSTARRS_y	96.89	2.46	18.934	0.028	AB

Aperture details

RA, DEC (J2000):	15h59m20.12s, 31d57m53.24s
semi major axis, semi minor axis (arcsec):	7.02, 4.49
angle (degrees, anti-clockwise from east):	-85.42

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	49.25	7.68	19.669	0.169	AB
GALEX_NUV	52.87	2.99	19.592	0.061	AB
SDSS_u	75.02	4.54	19.212	0.066	AB
SDSS_g	163.19	3.65	18.368	0.024	AB
PanSTARRS_g	179.92	1.59	18.262	0.010	AB
SDSS_r	193.11	4.35	18.185	0.024	AB
PanSTARRS_r	189.74	1.63	18.205	0.009	AB
SDSS_i	217.28	5.58	18.057	0.028	AB
PanSTARRS_i	233.54	1.69	17.979	0.008	AB
PanSTARRS_z	225.97	3.62	18.015	0.017	AB
SDSS_z	319.24	15.22	17.640	0.052	AB
PanSTARRS_y	219.62	7.56	18.046	0.037	AB
2MASS_J	401.38	149.91	16.496	0.405	Vega
2MASS_H	508.55	235.61	15.767	0.503	Vega
2MASS_K	159.42	231.51	16.556	1.577	Vega
WISE_W1	74.95	10.46	16.514	0.152	Vega
WISE_W2	56.71	12.74	16.177	0.244	Vega
WISE_W3	139.09	38.9	13.368	0.304	Vega
WISE_W4	203.17	234.54	11.510	1.253	Vega