2026aaqn results

2026aaqn results

Information

Transient

Name:	`AT2026aaqn`
Right ascension:	`2h31m54.16s`
Declination:	`3d07m40.13s`
Discovery Date:	`Sept. 5, 2026, 3:33 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.025`

Host

Name:	`J023155.28+030732.16`
Object ID:	`9906622653995049`
Catalog Name:	`decals`
Catalog Release:	`dr9`
Right ascension:	`2h31m55.28s`
Declination:	`3d07m32.16s`
Redshift:	`0.032109`
Photometric Redshift:	`0.042`

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	20.84
Transient MWEBV	processed	0.05
Host match	processed	8.41
Host information	processed	0.06
Host MWEBV	processed	0.23
Host spectrum download	processed	0.12
Global aperture construction	processed	0.63
Global aperture photometry	processed	6.16
Validate global photometry	processed	19.86
Global host SED inference	processed	324.75
Local aperture photometry	processed	6.13
Validate local photometry	processed	0.03
Local host SED inference	processed	394.47

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})\,	7.458	7.666	7.840
{\rm log}_{10}({\rm SFR})	-2.970	-2.167	-1.515
{\rm log}_{10}({\rm sSFR})	-10.659	-9.877	-9.098
{\rm stellar\ age}	3.053	6.439	7.842

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.412	-0.715	-0.153
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.560	-0.791	0.031

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.280	0.799	1.378
\delta	-0.406	0.079	0.320
\tau_1/\tau_2	0.711	1.031	1.355
Q_{PAH}	0.895	2.289	4.356
U_{min}	2.966	8.295	16.113
{\rm log}_{10}(\gamma_e)\,	-2.805	-1.722	-0.677

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.103	-2.157	-0.281
{\rm log}_{10}(\tau_{AGN})\,	0.965	1.410	1.917

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.304	-2.331	-1.709
0.03-0.10 Gyr	-3.090	-2.204	-1.502
0.10-0.33 Gyr	-3.030	-2.299	-1.707
0.33-1.10 Gyr	-3.180	-2.415	-1.944
1.10-3.62 Gyr	-3.033	-2.316	-2.013
3.62-11.99 Gyr	-3.299	-2.302	-2.064
11.99-13.33 Gyr	-3.613	-2.354	-1.822

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.345	10.427	10.519
{\rm log}_{10}({\rm SFR})	-1.156	-0.577	-0.139
{\rm log}_{10}({\rm sSFR})	-11.694	-11.014	-10.505
{\rm stellar\ age}	6.217	7.327	8.347

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.758	-0.489	-0.276
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.479	-0.737	0.004

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.466	0.717	0.959
\delta	-0.355	-0.014	0.239
\tau_1/\tau_2	0.657	0.952	1.249
Q_{PAH}	1.550	2.415	3.609
U_{min}	2.342	6.633	13.910
{\rm log}_{10}(\gamma_e)\,	-3.605	-3.123	-2.575

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.977	-2.497	-1.601
{\rm log}_{10}(\tau_{AGN})\,	0.893	1.251	1.701

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.520	-0.702	-0.196
0.03-0.10 Gyr	-1.198	-0.563	-0.092
0.10-0.33 Gyr	-0.749	-0.248	0.168
0.33-1.10 Gyr	-0.358	0.118	0.459
1.10-3.62 Gyr	-0.031	0.396	0.674
3.62-11.99 Gyr	0.358	0.563	0.699
11.99-13.33 Gyr	-0.027	0.488	0.961

Aperture Photometry

Aperture details

RA, DEC (J2000):	2h31m54.16s, 3d07m40.13s
semi major axis, semi minor axis (arcsec):	3.12, 3.12
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	2.65	3.15	22.841	1.287	AB
SDSS_g	7.76	1.51	21.676	0.212	AB
DES_g	4.78	0.18	22.201	0.041	AB
PanSTARRS_g	2.09	0.87	23.097	0.452	AB
SDSS_r	8.84	1.93	21.533	0.237	AB
PanSTARRS_r	-2.25	1.12			AB
DES_r	7.33	0.26	21.737	0.038	AB
SDSS_i	18.21	3.52	20.749	0.210	AB
PanSTARRS_i	9.73	0.86	21.430	0.096	AB
DES_i	10.73	0.5	21.324	0.051	AB
PanSTARRS_z	1.39	1.97	23.544	1.544	AB
SDSS_z	3.59	10.26	22.513	3.105	AB
DES_z	13.48	0.81	21.076	0.066	AB
PanSTARRS_y	-0.09	4.58			AB
2MASS_J	-35.21	65.79			Vega
2MASS_H	38.26	93.49	18.576	2.653	Vega
2MASS_K	66.5	114.82	17.505	1.875	Vega

Aperture details

RA, DEC (J2000):	2h31m55.25s, 3d07m32.32s
semi major axis, semi minor axis (arcsec):	24.73, 8.15
angle (degrees, anti-clockwise from east):	267.78

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	19.23	4.3	20.690	0.243	AB
GALEX_NUV	44.74	5.19	19.773	0.126	AB
SDSS_u	371.95	14.85	17.474	0.043	AB
SDSS_g	1249.9	10.9	16.158	0.009	AB
DES_g	1370.41	1.38	16.058	0.001	AB
SDSS_r	2578.73	15.3	15.371	0.006	AB
PanSTARRS_r	2619.84	5.23	15.354	0.002	AB
DES_r	2949.5	2.36	15.226	0.001	AB
SDSS_i	3774.27	21.69	14.958	0.006	AB
PanSTARRS_i	3898.31	3.95	14.923	0.001	AB
PanSTARRS_z	4543.92	9.0	14.756	0.002	AB
DES_z	5392.97	9.22	14.570	0.002	AB
PanSTARRS_y	6051.5	20.21	14.445	0.004	AB
WISE_W2	2975.66	48.95	11.877	0.018	Vega
WISE_W3	7293.95	128.13	9.069	0.019	Vega
WISE_W4	6222.94	831.26	7.795	0.145	Vega