2026nrg results

2026nrg results

Information

Transient

Name:	`AT2026nrg`
Right ascension:	`12h59m56.52s`
Declination:	`47d12m19.01s`
Discovery Date:	`May 18, 2026, 9:57 p.m.`
Classification:	`Afterglow`
Redshift:	`0.028800`
MW E(B-V):	`0.011`

Host

Name:	`NGC4901`
Object ID:	`1030528.0`
Catalog Name:	`glade`
Catalog Release:	`latest`
Right ascension:	`12h59m56.40s`
Declination:	`47d12m19.66s`
Redshift:	`0.029683`
Photometric Redshift:	`None`

Cutout Download Report

Downloaded	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_z	GALEX_NUV GALEX_FUV DES_r DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	17.58
Transient MWEBV	processed	0.16
Host match	processed	6.33
Host information	processed	0.04
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	5.93
Validate global photometry	processed	15.98
Global host SED inference	processed	615.31
Local aperture photometry	processed	5.54
Validate local photometry	processed	0.03
Local host SED inference	processed	455.27

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	12h59m56.52s, 47d12m19.01s
semi major axis, semi minor axis (arcsec):	3.37, 3.37
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	257.06	4.82	17.875	0.020	AB
SDSS_g	1494.87	10.08	15.963	0.007	AB
DES_g	1611.28	2.78	15.882	0.002	AB
PanSTARRS_g	1646.25	1.05	15.859	0.001	AB
SDSS_r	3318.04	15.03	15.098	0.005	AB
PanSTARRS_r	3401.63	1.48	15.071	0.000	AB
SDSS_i	4730.65	18.04	14.713	0.004	AB
PanSTARRS_i	4773.65	1.49	14.703	0.000	AB
PanSTARRS_z	5993.82	2.35	14.456	0.000	AB
SDSS_z	6177.77	23.67	14.423	0.004	AB
DES_z	6897.92	16.48	14.303	0.003	AB
PanSTARRS_y	7053.58	5.33	14.279	0.001	AB
2MASS_J	7998.28	78.47	13.248	0.011	Vega
2MASS_H	9978.02	118.79	12.535	0.013	Vega
2MASS_K	8329.59	115.69	12.261	0.015	Vega

Aperture details

RA, DEC (J2000):	12h59m56.41s, 47d12m20.33s
semi major axis, semi minor axis (arcsec):	22.48, 20.16
angle (degrees, anti-clockwise from east):	-23.08

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	862.85	17.9	16.560	0.023	AB
SDSS_g	5285.72	19.74	14.592	0.004	AB
DES_g	5678.95	5.32	14.514	0.001	AB
PanSTARRS_g	5937.17	5.02	14.466	0.001	AB
SDSS_r	10933.74	28.93	13.803	0.003	AB
PanSTARRS_r	11501.74	6.24	13.748	0.001	AB
SDSS_i	15701.15	36.34	13.410	0.003	AB
PanSTARRS_i	16120.19	6.72	13.382	0.000	AB
PanSTARRS_z	19875.0	11.6	13.154	0.001	AB
SDSS_z	20182.63	84.68	13.138	0.005	AB
DES_z	19529.04	28.47	13.173	0.002	AB
PanSTARRS_y	24078.43	31.81	12.946	0.001	AB
2MASS_J	28835.12	467.91	11.855	0.018	Vega
2MASS_H	36196.46	726.01	11.136	0.022	Vega
2MASS_K	28604.32	715.4	10.921	0.027	Vega
WISE_W1	13119.57	82.16	10.906	0.007	Vega
WISE_W2	7318.33	74.96	10.900	0.011	Vega
WISE_W3	3947.97	168.1	9.735	0.046	Vega
WISE_W4	1643.75	714.72	9.240	0.472	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.207	10.345	10.469
{\rm log}_{10}({\rm SFR})	-0.606	0.001	0.442
{\rm log}_{10}({\rm sSFR})	-10.967	-10.310	-9.836
{\rm stellar\ age}	5.344	7.374	9.849

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.309	-0.818	-0.497
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.606	-0.344	0.116

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.642	0.844	1.024
\delta	-0.889	-0.757	-0.597
\tau_1/\tau_2	0.662	1.015	1.371
Q_{PAH}	0.354	2.329	5.363
U_{min}	2.813	7.669	14.736
{\rm log}_{10}(\gamma_e)\,	-3.210	-1.643	-0.772

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.416	-2.947	-1.041
{\rm log}_{10}(\tau_{AGN})\,	1.071	1.635	2.045

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.363	0.052	0.268
0.03-0.10 Gyr	-1.387	-0.055	0.513
0.10-0.33 Gyr	-1.453	0.031	0.596
0.33-1.10 Gyr	-1.098	0.111	0.539
1.10-3.63 Gyr	-0.574	0.286	0.592
3.63-12.02 Gyr	-0.180	0.348	0.598
12.02-13.36 Gyr	-0.134	0.541	1.292

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.697	10.887	11.056
{\rm log}_{10}({\rm SFR})	-2.764	-1.240	-0.438
{\rm log}_{10}({\rm sSFR})	-13.696	-12.152	-11.373
{\rm stellar\ age}	4.962	7.833	12.497

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.744	-0.522	-0.402
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.528	-0.784	-0.054

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.140	0.378	0.532
\delta	-0.939	-0.727	-0.417
\tau_1/\tau_2	0.374	0.813	1.247
Q_{PAH}	0.137	0.421	1.197
U_{min}	2.326	6.997	14.276
{\rm log}_{10}(\gamma_e)\,	-3.665	-3.117	-1.996

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.579	-3.931	-3.129
{\rm log}_{10}(\tau_{AGN})\,	1.056	1.579	1.928

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.354	-1.352	-0.495
0.03-0.10 Gyr	-3.736	-1.422	-0.465
0.10-0.33 Gyr	-3.560	-1.359	-0.276
0.33-1.10 Gyr	-2.305	-0.534	0.437
1.10-3.63 Gyr	-1.560	0.718	1.295
3.63-12.02 Gyr	-1.137	0.821	1.118
12.02-13.36 Gyr	-0.136	1.127	2.170