2025xgj results

2025xgj results

Information

Transient

Name:	`SN2025xgj`
Right ascension:	`4h46m25.08s`
Declination:	`-6d54m48.30s`
Discovery Date:	`Sept. 4, 2025, 11:52 a.m.`
Classification:	`SN Ia`
Redshift:	`0.045955`
MW E(B-V):	`0.101`

Host

Name:	`1027023`
Right ascension:	`4h46m25.09s`
Declination:	`-6d54m48.96s`
Redshift:	`0.045444`
Photometric Redshift:	`None`

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: completed

Task Name	Status	Time (s)
Cutout download	processed	18.34
Transient MWEBV	processed	0.11
Host match	processed	4.4
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	6.93
Validate global photometry	processed	17.41
Global host SED inference	processed	429.2
Local aperture photometry	processed	6.77
Validate local photometry	processed	0.03
Local host SED inference	processed	500.03

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	4h46m25.08s, -6d54m48.30s
semi major axis, semi minor axis (arcsec):	2.24, 2.24
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	54.5	2.35	19.559	0.047	AB
SDSS_g	246.87	4.15	17.919	0.018	AB
DES_g	264.33	0.65	17.845	0.003	AB
PanSTARRS_g	271.58	0.61	17.815	0.002	AB
SDSS_r	567.05	6.26	17.016	0.012	AB
PanSTARRS_r	621.42	0.83	16.917	0.001	AB
DES_r	665.93	1.98	16.841	0.003	AB
SDSS_i	942.31	8.09	16.465	0.009	AB
PanSTARRS_i	941.86	0.94	16.465	0.001	AB
PanSTARRS_z	1250.75	1.8	16.157	0.002	AB
SDSS_z	1362.52	10.97	16.064	0.009	AB
DES_z	1382.53	5.19	16.048	0.004	AB
PanSTARRS_y	1558.27	3.67	15.918	0.003	AB

Aperture details

RA, DEC (J2000):	4h46m25.10s, -6d54m48.87s
semi major axis, semi minor axis (arcsec):	17.41, 8.37
angle (degrees, anti-clockwise from east):	-130.9

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	60.48	8.46	19.446	0.152	AB
GALEX_NUV	105.64	5.84	18.840	0.060	AB
SDSS_g	1135.15	9.76	16.262	0.009	AB
DES_g	1233.2	1.54	16.172	0.001	AB
PanSTARRS_g	1191.87	2.75	16.209	0.003	AB
SDSS_r	2071.37	12.99	15.609	0.007	AB
PanSTARRS_r	2188.74	3.88	15.550	0.002	AB
DES_r	2456.39	4.05	15.424	0.002	AB
SDSS_i	3052.49	16.33	15.188	0.006	AB
PanSTARRS_i	3033.36	4.26	15.195	0.002	AB
SDSS_z	4127.83	33.47	14.861	0.009	AB
DES_z	4175.62	9.38	14.848	0.002	AB
PanSTARRS_y	4584.72	19.23	14.747	0.005	AB
2MASS_J	5782.85	310.68	13.600	0.058	Vega
2MASS_H	8448.3	468.52	12.715	0.060	Vega
2MASS_K	8133.97	606.86	12.286	0.081	Vega
WISE_W1	4177.4	30.88	12.149	0.008	Vega
WISE_W2	3094.28	37.74	11.835	0.013	Vega
WISE_W4	76124.51	4884.9	5.076	0.070	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.961	10.145	10.352
{\rm log}_{10}({\rm SFR})	-1.125	-0.003	0.886
{\rm log}_{10}({\rm sSFR})	-11.519	-10.137	-9.123
{\rm stellar\ age}	5.848	7.471	9.554

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.245	-0.618	-0.341
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.206	0.214	0.388

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.604	0.978	1.369
\delta	-0.738	-0.480	0.106
\tau_1/\tau_2	0.645	1.029	1.452
Q_{PAH}	0.581	1.871	3.771
U_{min}	2.623	7.866	15.292
{\rm log}_{10}(\gamma_e)\,	-3.375	-1.965	-1.008

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.387	-3.299	-1.139
{\rm log}_{10}(\tau_{AGN})\,	0.947	1.441	1.957

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.030	-0.093	0.375
0.03-0.10 Gyr	-1.593	0.018	0.992
0.10-0.33 Gyr	-1.783	-0.296	0.371
0.33-1.09 Gyr	-1.712	-0.353	0.131
1.09-3.59 Gyr	-1.276	-0.088	0.302
3.59-11.83 Gyr	-0.379	0.204	0.471
11.83-13.15 Gyr	-0.425	0.332	1.078

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.444	10.547	10.632
{\rm log}_{10}({\rm SFR})	0.627	0.952	1.269
{\rm log}_{10}({\rm sSFR})	-9.977	-9.614	-9.213
{\rm stellar\ age}	6.424	7.447	8.940

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.647	-0.399	-0.240
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.921	-1.738	0.309

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.487	0.680	0.902
\delta	-0.252	-0.086	0.050
\tau_1/\tau_2	0.784	1.160	1.542
Q_{PAH}	0.233	0.992	2.851
U_{min}	2.792	7.437	14.201
{\rm log}_{10}(\gamma_e)\,	-2.973	-1.644	-1.013

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.195	-1.966	-1.263
{\rm log}_{10}(\tau_{AGN})\,	1.315	1.822	2.061

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.611	0.805	1.006
0.03-0.10 Gyr	0.552	1.005	1.370
0.10-0.33 Gyr	-0.292	0.370	0.755
0.33-1.09 Gyr	-0.467	0.127	0.474
1.09-3.59 Gyr	-0.131	0.375	0.645
3.59-11.83 Gyr	0.390	0.639	0.781
11.83-13.15 Gyr	0.268	0.786	1.315