2026gwi results

2026gwi results

Information

Transient

Name:	`AT2026gwi`
Right ascension:	`11h59m36.72s`
Declination:	`21d15m02.37s`
Discovery Date:	`March 21, 2026, 6:52 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.021`

Host

Name:	`37780`
Right ascension:	`11h59m36.29s`
Declination:	`21d14m51.33s`
Redshift:	`0.025460`
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_z	GALEX_NUV GALEX_FUV DES_g DES_r DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	15.25
Transient MWEBV	processed	0.04
Host match	processed	4.14
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	0.71
Global aperture photometry	processed	5.8
Validate global photometry	processed	15.98
Global host SED inference	processed	587.5
Local aperture photometry	processed	5.46
Validate local photometry	processed	0.02
Local host SED inference	processed	505.64

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	11h59m36.72s, 21d15m02.37s
semi major axis, semi minor axis (arcsec):	3.9, 3.9
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	32.32	2.68	20.126	0.090	AB
SDSS_g	125.23	3.25	18.656	0.028	AB
PanSTARRS_g	119.58	0.91	18.706	0.008	AB
SDSS_r	233.81	4.39	17.978	0.020	AB
PanSTARRS_r	227.83	1.08	18.006	0.005	AB
SDSS_i	328.3	5.46	17.609	0.018	AB
PanSTARRS_i	287.91	1.37	17.752	0.005	AB
PanSTARRS_z	357.04	2.82	17.518	0.009	AB
SDSS_z	366.54	10.13	17.490	0.030	AB
DES_z	402.43	3.56	17.388	0.010	AB
PanSTARRS_y	489.97	7.03	17.175	0.016	AB
2MASS_J	616.29	95.01	16.031	0.167	Vega
2MASS_H	561.77	142.12	15.659	0.275	Vega
2MASS_K	431.05	157.33	15.476	0.396	Vega

Aperture details

RA, DEC (J2000):	11h59m36.27s, 21d14m51.38s
semi major axis, semi minor axis (arcsec):	20.25, 18.17
angle (degrees, anti-clockwise from east):	-79.01

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	1017.03	13.85	16.382	0.015	AB
SDSS_g	5382.44	20.34	14.573	0.004	AB
PanSTARRS_g	5641.21	4.55	14.522	0.001	AB
SDSS_r	11655.87	29.48	13.734	0.003	AB
PanSTARRS_r	11664.59	5.52	13.733	0.001	AB
SDSS_i	17011.51	36.48	13.323	0.002	AB
PanSTARRS_i	15876.5	6.84	13.398	0.000	AB
PanSTARRS_z	20395.23	14.05	13.126	0.001	AB
SDSS_z	21524.58	57.35	13.068	0.003	AB
DES_z	22801.7	25.55	13.005	0.001	AB
PanSTARRS_y	26117.98	35.18	12.858	0.001	AB
2MASS_J	31874.23	473.11	11.747	0.016	Vega
2MASS_H	39317.32	705.81	11.046	0.019	Vega
2MASS_K	32101.62	781.54	10.796	0.026	Vega
WISE_W1	14845.52	94.28	10.772	0.007	Vega
WISE_W2	7959.06	89.13	10.809	0.012	Vega
WISE_W3	2822.92	223.25	10.099	0.086	Vega
WISE_W4	1185.72	788.8	9.595	0.722	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.822	9.005	9.170
{\rm log}_{10}({\rm SFR})	-1.365	-0.844	-0.381
{\rm log}_{10}({\rm sSFR})	-10.464	-9.883	-9.270
{\rm stellar\ age}	4.514	6.755	8.501

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.411	-0.738	-0.293
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.079	0.150	0.335

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.506	1.010	1.376
\delta	-0.526	-0.155	0.110
\tau_1/\tau_2	0.639	1.001	1.356
Q_{PAH}	0.293	1.173	2.919
U_{min}	2.809	7.757	14.744
{\rm log}_{10}(\gamma_e)\,	-3.464	-2.178	-1.325

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.175	-2.455	-0.828
{\rm log}_{10}(\tau_{AGN})\,	0.851	1.214	1.710

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.154	-0.773	-0.478
0.03-0.10 Gyr	-1.723	-0.894	-0.343
0.10-0.33 Gyr	-1.939	-1.027	-0.483
0.33-1.10 Gyr	-1.880	-1.074	-0.675
1.10-3.64 Gyr	-1.631	-1.004	-0.706
3.64-12.07 Gyr	-1.540	-0.983	-0.725
12.07-13.42 Gyr	-1.646	-0.912	-0.317

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.796	10.859	10.979
{\rm log}_{10}({\rm SFR})	-3.364	-1.468	-0.615
{\rm log}_{10}({\rm sSFR})	-14.229	-12.307	-11.435
{\rm stellar\ age}	7.615	8.642	12.615

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.408	-0.314	-0.228
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.478	-0.597	0.201

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.094	0.234	0.344
\delta	-0.880	-0.669	-0.350
\tau_1/\tau_2	0.565	0.968	1.378
Q_{PAH}	0.109	0.403	1.181
U_{min}	3.503	8.825	16.394
{\rm log}_{10}(\gamma_e)\,	-3.257	-2.170	-1.183

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.694	-4.152	-3.378
{\rm log}_{10}(\tau_{AGN})\,	1.129	1.678	1.989

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.115	-1.538	-0.635
0.03-0.10 Gyr	-3.863	-1.582	-0.603
0.10-0.33 Gyr	-3.798	-1.458	-0.356
0.33-1.10 Gyr	-2.898	-0.935	-0.139
1.10-3.64 Gyr	-2.148	-0.025	0.734
3.64-12.07 Gyr	-0.536	0.940	1.096
12.07-13.42 Gyr	0.555	1.307	2.093