2026gwp results

2026gwp results

Information

Transient

Name:	`SN2026gwp`
Right ascension:	`8h14m20.89s`
Declination:	`37d37m14.83s`
Discovery Date:	`March 20, 2026, 5:20 a.m.`
Classification:	`SN Ia`
Redshift:	`0.062330`
MW E(B-V):	`0.034`

Host

Name:	`SDSSJ081420.46+37371`
Right ascension:	`8h14m20.40s`
Declination:	`37d37m12.90s`
Redshift:	`None`
Photometric Redshift:	`0.062`

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_z	DES_r DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	17.83
Transient MWEBV	processed	0.13
Host match	processed	5.25
Host information	processed	0.06
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	5.6
Validate global photometry	processed	17.76
Global host SED inference	processed	388.3
Local aperture photometry	processed	5.48
Validate local photometry	processed	0.03
Local host SED inference	processed	447.34

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	8h14m20.89s, 37d37m14.83s
semi major axis, semi minor axis (arcsec):	1.67, 1.67
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	9.09	1.37	21.503	0.164	AB
SDSS_g	28.32	1.46	20.270	0.056	AB
DES_g	25.88	0.37	20.368	0.015	AB
PanSTARRS_g	26.46	0.33	20.343	0.014	AB
SDSS_r	40.61	1.78	19.879	0.048	AB
PanSTARRS_r	41.26	0.46	19.861	0.012	AB
SDSS_i	53.11	2.19	19.587	0.045	AB
PanSTARRS_i	51.89	0.44	19.612	0.009	AB
PanSTARRS_z	54.97	0.97	19.550	0.019	AB
SDSS_z	49.62	3.83	19.661	0.084	AB
DES_z	61.24	1.16	19.432	0.021	AB
PanSTARRS_y	60.72	3.23	19.442	0.058	AB

Aperture details

RA, DEC (J2000):	8h14m20.46s, 37d37m13.56s
semi major axis, semi minor axis (arcsec):	11.43, 9.31
angle (degrees, anti-clockwise from east):	-96.28

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	42.28	3.61	19.835	0.093	AB
GALEX_NUV	60.06	2.87	19.453	0.052	AB
SDSS_u	134.29	7.85	18.580	0.063	AB
SDSS_g	482.55	6.51	17.191	0.015	AB
DES_g	454.43	1.58	17.256	0.004	AB
PanSTARRS_g	463.08	1.99	17.236	0.005	AB
SDSS_r	735.02	8.23	16.734	0.012	AB
PanSTARRS_r	781.47	2.79	16.668	0.004	AB
SDSS_i	1037.29	10.87	16.360	0.011	AB
PanSTARRS_z	1155.62	5.98	16.243	0.006	AB
SDSS_z	1188.28	22.95	16.213	0.021	AB
PanSTARRS_y	1395.38	19.82	16.038	0.015	AB
2MASS_J	1531.26	225.43	15.042	0.160	Vega
2MASS_H	2357.16	396.43	14.101	0.183	Vega
2MASS_K	1891.86	377.42	13.870	0.217	Vega
WISE_W1	828.7	41.6	13.905	0.054	Vega
WISE_W2	442.62	40.69	13.946	0.100	Vega
WISE_W3	1270.66	129.28	10.966	0.110	Vega
WISE_W4	1656.39	671.33	9.232	0.440	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.795	8.916	9.011
{\rm log}_{10}({\rm SFR})	-1.877	-1.347	-0.644
{\rm log}_{10}({\rm sSFR})	-10.818	-10.263	-9.544
{\rm stellar\ age}	5.020	6.814	8.071

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.762	-1.388	-0.960
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.636	-0.495	0.234

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.127	0.424	0.774
\delta	-0.541	-0.022	0.260
\tau_1/\tau_2	0.755	1.074	1.411
Q_{PAH}	1.065	2.899	5.174
U_{min}	2.894	7.992	15.105
{\rm log}_{10}(\gamma_e)\,	-2.936	-1.709	-0.565

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.221	-0.498	0.102
{\rm log}_{10}(\tau_{AGN})\,	1.196	1.664	2.026

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.247	-1.693	-1.260
0.03-0.10 Gyr	-1.887	-1.281	-0.518
0.10-0.33 Gyr	-1.734	-1.127	-0.593
0.33-1.08 Gyr	-2.026	-1.194	-0.717
1.08-3.54 Gyr	-1.899	-1.110	-0.841
3.54-11.64 Gyr	-1.779	-1.050	-0.849
11.64-12.93 Gyr	-1.951	-1.071	-0.568
0.33-1.08 Gyr	-1.878	-1.253	-0.826
1.08-3.54 Gyr	-1.659	-1.090	-0.831
3.54-11.63 Gyr	-1.370	-1.001	-0.817
11.63-12.93 Gyr	-1.630	-0.983	-0.469

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.197	10.235	10.281
{\rm log}_{10}({\rm SFR})	-0.259	-0.053	0.209
{\rm log}_{10}({\rm sSFR})	-10.511	-10.290	-10.033
{\rm stellar\ age}	6.600	7.284	8.359

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.608	-0.447	-0.313
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.038	0.243	0.392

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.100	0.172	0.288
\delta	-0.545	-0.158	0.132
\tau_1/\tau_2	0.717	1.035	1.355
Q_{PAH}	0.579	1.689	3.645
U_{min}	2.521	7.079	13.846
{\rm log}_{10}(\gamma_e)\,	-3.136	-1.989	-1.181

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.508	-3.699	-2.738
{\rm log}_{10}(\tau_{AGN})\,	1.038	1.543	1.913

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.591	-0.251	-0.056
0.03-0.10 Gyr	-0.294	0.003	0.337
0.10-0.33 Gyr	-0.146	0.128	0.378
0.33-1.08 Gyr	-0.261	0.024	0.193
1.08-3.54 Gyr	-0.260	0.107	0.323
3.54-11.64 Gyr	0.216	0.385	0.484
11.64-12.93 Gyr	0.075	0.518	1.002
0.33-1.08 Gyr	-0.219	0.033	0.207
1.08-3.54 Gyr	-0.185	0.129	0.336
3.54-11.63 Gyr	0.239	0.380	0.468
11.63-12.93 Gyr	0.032	0.456	0.894