2026bva results

2026bva results

Information

Transient

Name:	`SN2026bva`
Right ascension:	`4h15m09.04s`
Declination:	`-1d17m14.71s`
Discovery Date:	`Jan. 31, 2026, 3:26 a.m.`
Classification:	`SN Ia`
Redshift:	`0.080700`
MW E(B-V):	`0.086`

Host

Name:
Right ascension:	`4h15m09.15s`
Declination:	`-1d17m13.23s`
Redshift:	`None`
Photometric Redshift:	`0.082`

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	18.52
Transient MWEBV	processed	0.11
Host match	processed	5.53
Host information	processed	0.18
Host MWEBV	processed	0.1
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.64
Validate global photometry	processed	15.74
Global host SED inference	processed	386.39
Local aperture photometry	processed	5.65
Validate local photometry	processed	0.03
Local host SED inference	processed	418.56

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	4h15m09.04s, -1d17m14.71s
semi major axis, semi minor axis (arcsec):	1.32, 1.32
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	22.95	0.18	20.498	0.009	AB
PanSTARRS_g	26.23	0.34	20.353	0.014	AB
PanSTARRS_r	50.83	0.38	19.635	0.008	AB
DES_r	54.51	0.55	19.559	0.011	AB
PanSTARRS_i	79.26	0.46	19.152	0.006	AB
PanSTARRS_z	101.32	0.86	18.886	0.009	AB
DES_z	102.61	1.37	18.872	0.014	AB
PanSTARRS_y	126.78	2.29	18.642	0.020	AB

Aperture details

RA, DEC (J2000):	4h15m09.13s, -1d17m13.18s
semi major axis, semi minor axis (arcsec):	9.06, 4.62
angle (degrees, anti-clockwise from east):	-15.63

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	10.02	3.71	21.397	0.401	AB
GALEX_NUV	11.38	2.46	21.259	0.235	AB
DES_g	243.29	0.62	17.935	0.003	AB
PanSTARRS_g	268.25	1.62	17.829	0.007	AB
PanSTARRS_r	545.97	1.81	17.057	0.004	AB
DES_r	589.76	1.84	16.973	0.003	AB
PanSTARRS_i	875.1	2.17	16.545	0.003	AB
PanSTARRS_z	1112.24	4.07	16.285	0.004	AB
DES_z	1218.03	4.83	16.186	0.004	AB
PanSTARRS_y	1415.11	11.12	16.023	0.009	AB
2MASS_J	1837.48	146.47	14.845	0.087	Vega
2MASS_H	2451.07	228.05	14.059	0.101	Vega
2MASS_K	2417.84	300.48	13.604	0.135	Vega
WISE_W1	1361.52	23.24	13.366	0.019	Vega
WISE_W2	957.06	26.12	13.109	0.030	Vega
WISE_W3	4101.05	104.02	9.694	0.028	Vega
WISE_W4	6844.01	900.55	7.692	0.143	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.453	9.598	9.724
{\rm log}_{10}({\rm SFR})	-1.574	-0.973	-0.446
{\rm log}_{10}({\rm sSFR})	-11.249	-10.591	-9.964
{\rm stellar\ age}	5.371	7.245	9.376

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.332	-0.724	-0.278
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.545	-0.753	0.053

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.402	0.815	1.170
\delta	-0.504	-0.165	0.156
\tau_1/\tau_2	0.705	1.042	1.373
Q_{PAH}	0.701	2.456	5.129
U_{min}	2.942	7.951	14.860
{\rm log}_{10}(\gamma_e)\,	-2.980	-1.921	-0.608

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.760	-1.067	-0.241
{\rm log}_{10}(\tau_{AGN})\,	0.915	1.396	1.909

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.635	-1.043	-0.593
0.03-0.10 Gyr	-1.839	-0.990	-0.376
0.10-0.33 Gyr	-1.913	-0.984	-0.290
0.33-1.07 Gyr	-2.496	-1.146	-0.356
1.07-3.49 Gyr	-2.150	-0.659	-0.111
3.49-11.41 Gyr	-0.820	-0.209	-0.019
11.41-12.68 Gyr	-0.680	-0.013	0.796
0.33-1.07 Gyr	-1.873	-0.867	-0.210
1.07-3.49 Gyr	-1.576	-0.555	-0.205
3.49-11.42 Gyr	-0.799	-0.312	-0.106
11.42-12.69 Gyr	-0.920	-0.227	0.515

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.613	10.674	10.741
{\rm log}_{10}({\rm SFR})	-0.006	0.273	0.565
{\rm log}_{10}({\rm sSFR})	-10.718	-10.404	-10.070
{\rm stellar\ age}	6.822	7.619	9.081

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.523	-0.294	-0.102
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.382	0.049	0.316

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.454	0.601	0.772
\delta	-0.434	-0.203	0.005
\tau_1/\tau_2	0.787	1.127	1.488
Q_{PAH}	1.206	2.386	4.015
U_{min}	2.651	7.150	14.147
{\rm log}_{10}(\gamma_e)\,	-2.590	-1.669	-1.033

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.325	-1.623	-1.185
{\rm log}_{10}(\tau_{AGN})\,	1.072	1.490	1.863

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.065	0.213	0.444
0.03-0.10 Gyr	-0.097	0.291	0.653
0.10-0.33 Gyr	-0.184	0.211	0.517
0.33-1.07 Gyr	-0.637	-0.029	0.317
1.07-3.49 Gyr	-0.431	0.258	0.626
3.49-11.41 Gyr	0.535	0.838	0.955
11.41-12.68 Gyr	0.492	1.026	1.684
0.33-1.07 Gyr	-0.349	0.117	0.429
1.07-3.49 Gyr	-0.138	0.380	0.687
3.49-11.42 Gyr	0.620	0.831	0.939
11.42-12.69 Gyr	0.476	0.976	1.504