2026aeiv results

2026aeiv results

Information

Transient

Name:	`SN2026aeiv`
Right ascension:	`3h16m41.83s`
Declination:	`80d48m09.12s`
Discovery Date:	`Oct. 5, 2026, 2:44 a.m.`
Classification:	`SN Ia-91T-like`
Redshift:	`0.007700`
MW E(B-V):	`0.209`

Host

Name:	`2018isq`
Object ID:	`278.0`
Catalog Name:	`glade`
Catalog Release:	`latest`
Right ascension:	`3h16m44.86s`
Declination:	`80d47m36.24s`
Redshift:	`0.007812`
Photometric Redshift:	`0.019`

Cutout Download Report

Downloadable	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 GALEX_NUV PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g	GALEX_FUV DES_g DES_r DES_i DES_z DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	16.2
Transient MWEBV	processed	0.14
Host match	processed	4.69
Host information	processed	0.08
Host MWEBV	processed	0.18
Host spectrum download	processed	0.06
Global aperture construction	processed	0.69
Global aperture photometry	processed	6.02
Validate global photometry	processed	17.11
Global host SED inference	processed	352.58
Local aperture photometry	processed	5.37
Validate local photometry	processed	0.02
Local host SED inference	processed	574.14

Imaging data

Spectral Energy Distribution

Host Galaxy Spectrum

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.525	9.744	9.851
{\rm log}_{10}({\rm SFR})	-3.399	-1.568	-0.647
{\rm log}_{10}({\rm sSFR})	-13.027	-11.368	-10.337
{\rm stellar\ age}	3.068	7.237	8.818

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.939	-0.563	-0.176
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.360	-0.709	-0.069

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.280	0.543	0.864
\delta	-0.951	-0.819	-0.570
\tau_1/\tau_2	0.753	1.066	1.391
Q_{PAH}	0.195	0.623	1.878
U_{min}	1.959	6.843	13.916
{\rm log}_{10}(\gamma_e)\,	-2.866	-1.710	-0.685

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.501	-3.507	-2.566
{\rm log}_{10}(\tau_{AGN})\,	1.003	1.496	1.952

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.941	-1.687	-0.614
0.03-0.10 Gyr	-3.836	-1.622	-0.669
0.10-0.33 Gyr	-3.051	-1.367	-0.419
0.33-1.11 Gyr	-2.076	-0.682	0.299
1.11-3.69 Gyr	-1.782	-0.402	0.000
3.69-12.29 Gyr	-1.512	-0.214	0.034
12.29-13.66 Gyr	-1.724	-0.303	0.363

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.785	10.869	10.964
{\rm log}_{10}({\rm SFR})	-0.044	0.348	0.692
{\rm log}_{10}({\rm sSFR})	-10.953	-10.527	-10.164
{\rm stellar\ age}	7.565	8.335	10.575

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.714	-1.406	-1.020
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.488	-0.477	0.258

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	1.292	1.510	1.713
\delta	-0.032	0.112	0.209
\tau_1/\tau_2	1.018	1.247	1.517
Q_{PAH}	0.758	1.882	3.796
U_{min}	2.104	7.085	14.465
{\rm log}_{10}(\gamma_e)\,	-3.294	-2.707	-2.045

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.181	-2.442	-1.951
{\rm log}_{10}(\tau_{AGN})\,	1.052	1.506	1.964

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.037	0.394	0.692
0.03-0.10 Gyr	-0.331	0.304	0.727
0.10-0.33 Gyr	-0.720	0.028	0.421
0.33-1.11 Gyr	-1.226	-0.272	0.206
1.11-3.69 Gyr	-0.745	0.330	0.770
3.69-12.29 Gyr	0.682	1.018	1.149
12.29-13.66 Gyr	0.439	1.137	1.802

Aperture Photometry

Aperture details

RA, DEC (J2000):	3h16m41.83s, 80d48m09.12s
semi major axis, semi minor axis (arcsec):	12.45, 12.45
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	12.63	3.27	21.147	0.281	AB
SDSS_u	388.86	13.57	17.426	0.038	AB
SDSS_g	3070.85	16.07	15.182	0.006	AB
PanSTARRS_g	3587.63	5.06	15.013	0.002	AB
SDSS_r	8349.73	24.62	14.096	0.003	AB
PanSTARRS_r	8433.81	6.88	14.085	0.001	AB
SDSS_i	12869.13	50.62	13.626	0.004	AB
PanSTARRS_i	13709.72	8.73	13.557	0.001	AB
PanSTARRS_z	18563.2	15.32	13.228	0.001	AB
SDSS_z	18602.98	76.87	13.226	0.004	AB
PanSTARRS_y	24182.94	35.21	12.941	0.002	AB
2MASS_J	30885.87	351.58	11.781	0.012	Vega
2MASS_H	38731.42	557.0	11.062	0.016	Vega
2MASS_K	33775.61	630.75	10.741	0.020	Vega
WISE_W1	11948.23	96.98	11.008	0.009	Vega
WISE_W2	6399.73	73.28	11.046	0.012	Vega
WISE_W3	1720.63	109.05	10.637	0.069	Vega
WISE_W4	432.98	402.3	10.689	1.009	Vega

Aperture details

RA, DEC (J2000):	3h16m45.20s, 80d47m34.86s
semi major axis, semi minor axis (arcsec):	92.47, 19.0
angle (degrees, anti-clockwise from east):	348.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	201.65	11.64	18.139	0.063	AB
SDSS_u	4784.08	45.52	14.701	0.010	AB
SDSS_r	87260.13	80.03	11.548	0.001	AB
PanSTARRS_r	87408.86	22.89	11.546	0.000	AB
SDSS_i	136179.97	143.65	11.065	0.001	AB
PanSTARRS_i	141540.63	30.07	11.023	0.000	AB
SDSS_z	193650.31	229.29	10.682	0.001	AB
PanSTARRS_y	243761.61	113.77	10.433	0.001	AB
2MASS_J	316094.61	1187.51	9.256	0.004	Vega
2MASS_H	398354.69	1882.12	8.532	0.005	Vega
2MASS_K	334421.91	2132.61	8.251	0.007	Vega
WISE_W1	169244.64	617.2	8.130	0.004	Vega
WISE_W2	93320.23	407.21	8.136	0.005	Vega
WISE_W4	17112.28	2097.72	6.697	0.133	Vega