2026agpn results

2026agpn results

Information

Transient

Name:	`AT2026agpn`
Right ascension:	`23h24m51.57s`
Declination:	`31d39m27.38s`
Discovery Date:	`Oct. 18, 2026, 5:48 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.200`

Host

Name:	`J232451.51+313926.30`
Object ID:	`9906632898642128`
Catalog Name:	`decals`
Catalog Release:	`dr9`
Right ascension:	`23h24m51.51s`
Declination:	`31d39m26.30s`
Redshift:	`None`
Photometric Redshift:	`0.063`

Dataset

Version: 0

Cutout Download Report

Downloadable	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 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	GALEX_NUV GALEX_FUV DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	21.98
Transient MWEBV	processed	0.2
Host match	processed	5.78
Host information	processed	0.07
Host MWEBV	processed	0.19
Host spectrum download	processed	0.1
Global aperture construction	processed	0.67
Global aperture photometry	processed	6.77
Validate global photometry	processed	18.69
Global host SED inference	processed	382.28
Local aperture photometry	processed	6.52
Validate local photometry	processed	0.03
Local host SED inference	processed	389.29

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})\,	10.088	10.232	10.366
{\rm log}_{10}({\rm SFR})	-2.212	-0.673	0.046
{\rm log}_{10}({\rm sSFR})	-12.345	-10.868	-10.158
{\rm stellar\ age}	5.979	7.632	9.664

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.499	-1.037	-0.634
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.452	-0.518	0.224

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.484	0.814	1.191
\delta	-0.698	-0.302	0.109
\tau_1/\tau_2	0.588	0.916	1.237
Q_{PAH}	0.430	1.370	3.560
U_{min}	2.845	7.697	15.774
{\rm log}_{10}(\gamma_e)\,	-3.162	-2.144	-0.933

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.213	-1.948	-0.637
{\rm log}_{10}(\tau_{AGN})\,	0.926	1.273	1.811

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.406	-0.636	0.104
0.03-0.10 Gyr	-2.636	-0.781	-0.001
0.10-0.33 Gyr	-2.462	-0.858	-0.001
0.33-1.08 Gyr	-2.181	-0.702	0.064
1.08-3.54 Gyr	-1.502	-0.185	0.348
3.54-11.63 Gyr	-0.363	0.377	0.553
11.63-12.92 Gyr	-0.483	0.417	1.143

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.655	10.785	10.928
{\rm log}_{10}({\rm SFR})	-4.957	-1.093	0.081
{\rm log}_{10}({\rm sSFR})	-16.072	-11.892	-10.719
{\rm stellar\ age}	6.697	7.768	11.834

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.597	-1.126	-0.782
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.367	-0.561	0.162

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.369	0.541	0.745
\delta	-0.826	-0.578	-0.241
\tau_1/\tau_2	0.573	0.965	1.388
Q_{PAH}	0.375	1.806	4.284
U_{min}	3.053	8.994	17.933
{\rm log}_{10}(\gamma_e)\,	-3.139	-2.105	-1.000

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.604	-3.907	-2.788
{\rm log}_{10}(\tau_{AGN})\,	1.157	1.622	1.994

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-6.266	-1.449	0.051
0.03-0.10 Gyr	-5.697	-1.224	0.081
0.10-0.33 Gyr	-5.041	-1.305	-0.067
0.33-1.08 Gyr	-3.988	-0.934	0.221
1.08-3.54 Gyr	-2.512	-0.065	0.797
3.54-11.63 Gyr	-0.739	0.901	1.099
11.63-12.92 Gyr	-0.962	0.948	2.029

Aperture Photometry

Aperture details

RA, DEC (J2000):	23h24m51.57s, 31d39m27.38s
semi major axis, semi minor axis (arcsec):	1.66, 1.66
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	14.94	1.5	20.964	0.109	AB
SDSS_g	87.85	2.46	19.041	0.030	AB
DES_g	100.18	0.43	18.898	0.005	AB
PanSTARRS_g	100.98	0.45	18.889	0.005	AB
SDSS_r	249.53	4.16	17.907	0.018	AB
PanSTARRS_r	268.69	0.55	17.827	0.002	AB
DES_r	292.09	1.21	17.736	0.004	AB
SDSS_i	418.23	5.43	17.346	0.014	AB
PanSTARRS_i	452.08	0.6	17.262	0.001	AB
PanSTARRS_z	593.55	1.26	16.966	0.002	AB
SDSS_z	626.58	8.03	16.908	0.014	AB
DES_z	609.51	5.26	16.938	0.009	AB
PanSTARRS_y	767.05	2.82	16.688	0.004	AB

Aperture details

RA, DEC (J2000):	23h24m51.51s, 31d39m26.49s
semi major axis, semi minor axis (arcsec):	7.83, 7.49
angle (degrees, anti-clockwise from east):	341.81

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	95.65	5.96	18.948	0.068	AB
SDSS_g	362.21	5.27	17.503	0.016	AB
DES_g	401.78	0.95	17.390	0.003	AB
PanSTARRS_g	399.38	1.83	17.397	0.005	AB
SDSS_r	1003.07	8.89	16.397	0.010	AB
PanSTARRS_r	1022.04	2.03	16.376	0.002	AB
DES_r	1125.29	2.48	16.272	0.002	AB
SDSS_i	1644.62	11.81	15.860	0.008	AB
PanSTARRS_i	1668.5	2.26	15.844	0.001	AB
PanSTARRS_z	2206.6	5.27	15.541	0.003	AB
SDSS_z	2460.72	25.42	15.422	0.011	AB
DES_z	2439.01	10.68	15.432	0.005	AB
PanSTARRS_y	2893.87	12.7	15.246	0.005	AB
2MASS_J	3554.78	141.58	14.128	0.043	Vega
2MASS_H	4795.87	209.56	13.330	0.047	Vega
2MASS_K	4350.48	321.78	12.966	0.080	Vega
WISE_W1	1663.68	24.76	13.148	0.016	Vega
WISE_W2	927.44	25.36	13.143	0.030	Vega
WISE_W3	79.81	89.89	13.971	1.223	Vega