2025gwg results

2025gwg results

Information

Transient

Name:	`AT2025gwg`
Right ascension:	`9h33m55.30s`
Declination:	`5d39m40.75s`
Discovery Date:	`March 29, 2025, 2:12 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.032`

Host

Name:	`2025gwg`
Right ascension:	`9h33m55.88s`
Declination:	`5d39m36.49s`
Redshift:	`0.111445`
Photometric Redshift:	`0.120`

Cutout Download Report

Downloaded	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_z	DES_i DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	23.54
Transient MWEBV	processed	0.04
Host match	processed	2.0
Host information	processed	0.08
Host MWEBV	processed	0.07
Global aperture construction	processed	0.64
Global aperture photometry	processed	7.08
Validate global photometry	processed	19.18
Global host SED inference	processed	414.94
Local aperture photometry	processed	6.79
Validate local photometry	processed	0.03
Local host SED inference	not enough filters	19.66

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	9h33m55.30s, 5d39m40.75s
semi major axis, semi minor axis (arcsec):	0.99, 0.99
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	9.04	0.7	21.509	0.084	AB

Aperture details

RA, DEC (J2000):	9h33m55.87s, 5d39m36.50s
semi major axis, semi minor axis (arcsec):	10.56, 7.14
angle (degrees, anti-clockwise from east):	-135.89

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	14.0	1.03	21.035	0.080	AB
GALEX_NUV	20.31	0.88	20.631	0.047	AB
SDSS_u	93.32	6.96	18.975	0.081	AB
SDSS_g	403.43	5.74	17.386	0.015	AB
DES_g	443.52	1.33	17.283	0.003	AB
PanSTARRS_g	444.98	1.78	17.279	0.004	AB
SDSS_r	946.19	8.71	16.460	0.010	AB
DES_r	1046.9	2.53	16.350	0.003	AB
SDSS_i	1394.28	11.36	16.039	0.009	AB
PanSTARRS_z	1767.73	5.74	15.781	0.004	AB
SDSS_z	1807.97	27.4	15.757	0.016	AB
DES_z	1881.72	9.32	15.714	0.005	AB
PanSTARRS_y	2033.02	12.81	15.630	0.007	AB
2MASS_J	2468.14	231.86	14.524	0.102	Vega
2MASS_H	3354.66	313.08	13.718	0.101	Vega
2MASS_K	4065.83	426.97	13.039	0.114	Vega
WISE_W1	1575.31	26.92	13.208	0.019	Vega
WISE_W3	443.53	111.31	12.109	0.272	Vega
WISE_W4	819.64	674.28	9.996	0.893	Vega

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.060	11.088	11.146
{\rm log}_{10}({\rm SFR})	-0.226	0.031	0.264
{\rm log}_{10}({\rm sSFR})	-11.346	-11.086	-10.847
{\rm stellar\ age}	7.258	7.862	10.185

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.437	-0.275	-0.144
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.347	-0.539	0.085

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.111	0.185	0.287
\delta	-0.804	-0.493	-0.152
\tau_1/\tau_2	0.622	0.995	1.373
Q_{PAH}	0.375	1.104	2.552
U_{min}	2.913	7.624	15.151
{\rm log}_{10}(\gamma_e)\,	-2.810	-1.653	-0.782

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.425	-1.977	-1.451
{\rm log}_{10}(\tau_{AGN})\,	0.969	1.285	1.702

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.092	0.155	0.355
0.03-0.10 Gyr	-0.696	-0.087	0.285
0.10-0.32 Gyr	-0.883	-0.152	0.214
0.32-1.05 Gyr	-0.846	-0.125	0.278
1.05-3.42 Gyr	-0.426	0.393	0.862
3.42-11.08 Gyr	0.922	1.298	1.382
11.08-12.31 Gyr	1.000	1.529	2.140