2025heg results

2025heg results

Information

Transient

Name:	`SN2025heg`
Right ascension:	`18h20m46.15s`
Declination:	`19d37m30.95s`
Discovery Date:	`April 9, 2025, 11:27 a.m.`
Classification:	`SN Ia`
Redshift:	`0.029800`
MW E(B-V):	`0.185`

Host

Name:	`2025heg`
Right ascension:	`18h20m46.73s`
Declination:	`19d37m19.61s`
Redshift:	`0.029891`
Photometric Redshift:	`0.056`

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_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	0.5
Transient MWEBV	processed	0.08
Host match	processed	3.96
Host information	processed	0.09
Host MWEBV	processed	0.08
Global aperture construction	processed	0.68
Global aperture photometry	processed	4.25
Validate global photometry	processed	12.29
Global host SED inference	processed	788.36
Local aperture photometry	processed	4.27
Validate local photometry	processed	0.02
Local host SED inference	processed	450.18

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	18h20m46.15s, 19d37m30.95s
semi major axis, semi minor axis (arcsec):	3.34, 3.34
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	5.94	0.84	21.965	0.153	AB
PanSTARRS_r	8.8	1.19	21.539	0.147	AB
PanSTARRS_i	8.21	1.27	21.614	0.168	AB
PanSTARRS_z	7.59	2.53	21.699	0.362	AB
PanSTARRS_y	11.04	5.65	21.292	0.556	AB
2MASS_J	81.59	73.48	18.226	0.978	Vega
2MASS_H	-19.53	114.94			Vega
2MASS_K	-66.25	114.87			Vega

Aperture details

RA, DEC (J2000):	18h20m46.61s, 19d37m20.15s
semi major axis, semi minor axis (arcsec):	13.99, 7.12
angle (degrees, anti-clockwise from east):	-78.46

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	597.88	2.53	16.958	0.005	AB
PanSTARRS_r	1193.65	3.56	16.208	0.003	AB
PanSTARRS_z	2234.23	7.53	15.527	0.004	AB
2MASS_J	3349.83	228.72	14.193	0.074	Vega
2MASS_K	3859.52	357.32	13.096	0.101	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	6.836	7.246	7.623
{\rm log}_{10}({\rm SFR})	-2.066	-1.567	-1.195
{\rm log}_{10}({\rm sSFR})	-9.514	-8.809	-8.086
{\rm stellar\ age}	0.399	3.829	7.057

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.733	-1.277	-0.332
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.262	-0.379	0.066

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.492	0.890	1.355
\delta	-0.233	0.050	0.259
\tau_1/\tau_2	0.624	1.062	1.500
Q_{PAH}	1.133	2.991	4.996
U_{min}	3.247	8.928	15.945
{\rm log}_{10}(\gamma_e)\,	-2.994	-1.985	-0.898

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.771	-1.785	-0.266
{\rm log}_{10}(\tau_{AGN})\,	1.064	1.521	1.923

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.874	-1.435	-1.010
0.03-0.10 Gyr	-2.992	-1.847	-1.207
0.10-0.33 Gyr	-3.835	-2.398	-1.674
0.33-1.10 Gyr	-4.545	-2.702	-2.108
1.10-3.63 Gyr	-5.176	-2.992	-2.300
3.63-12.02 Gyr	-5.764	-3.173	-2.345
12.02-13.36 Gyr	-5.815	-3.220	-2.254

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.802	10.006	10.171
{\rm log}_{10}({\rm SFR})	-1.089	-0.121	0.556
{\rm log}_{10}({\rm sSFR})	-11.061	-10.151	-9.393
{\rm stellar\ age}	3.694	7.179	10.076

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.438	-0.772	-0.269
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.737	-0.342	0.257

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.316	0.715	1.020
\delta	-0.728	-0.301	0.210
\tau_1/\tau_2	0.496	0.931	1.438
Q_{PAH}	0.405	2.127	4.183
U_{min}	2.456	7.376	14.684
{\rm log}_{10}(\gamma_e)\,	-3.626	-2.654	-1.105

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.401	-2.523	-1.118
{\rm log}_{10}(\tau_{AGN})\,	0.961	1.460	1.904

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.264	-0.225	0.097
0.03-0.10 Gyr	-1.542	-0.113	0.687
0.10-0.33 Gyr	-2.304	-0.404	0.347
0.33-1.10 Gyr	-2.039	-0.396	0.283
1.10-3.63 Gyr	-1.649	-0.203	0.354
3.63-12.02 Gyr	-1.363	-0.067	0.269
12.02-13.36 Gyr	-1.218	0.071	0.980