2026qtn results

2026qtn results

Information

Transient

Name:	`SN2026qtn`
Right ascension:	`23h26m43.80s`
Declination:	`4d42m39.59s`
Discovery Date:	`June 28, 2026, 7:23 a.m.`
Classification:	`SN Ia-91T-like`
Redshift:	`0.035000`
MW E(B-V):	`0.064`

Host

Name:	`2817364`
Object ID:	`11618.0`
Catalog Name:	`glade`
Catalog Release:	`latest`
Right ascension:	`23h26m43.55s`
Declination:	`4d42m35.73s`
Redshift:	`None`
Photometric Redshift:	`0.037`

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	15.65
Transient MWEBV	processed	0.07
Host match	processed	4.38
Host information	processed	0.08
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.04
Validate global photometry	processed	13.88
Global host SED inference	processed	444.19
Local aperture photometry	processed	4.72
Validate local photometry	processed	0.03
Local host SED inference	processed	575.64

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	23h26m43.80s, 4d42m39.59s
semi major axis, semi minor axis (arcsec):	2.87, 2.87
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	45.66	2.69	19.751	0.064	AB
SDSS_g	196.03	3.7	18.169	0.020	AB
PanSTARRS_g	215.81	0.68	18.065	0.003	AB
SDSS_r	401.66	5.37	17.390	0.015	AB
PanSTARRS_r	415.22	0.79	17.354	0.002	AB
SDSS_i	583.61	6.68	16.985	0.012	AB
PanSTARRS_i	589.19	0.78	16.974	0.001	AB
PanSTARRS_z	750.07	2.17	16.712	0.003	AB
SDSS_z	778.85	11.35	16.671	0.016	AB
PanSTARRS_y	924.74	4.62	16.485	0.005	AB

Aperture details

RA, DEC (J2000):	23h26m43.55s, 4d42m36.06s
semi major axis, semi minor axis (arcsec):	16.97, 8.62
angle (degrees, anti-clockwise from east):	-141.52

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	29.77	3.86	20.216	0.141	AB
GALEX_NUV	50.13	3.27	19.650	0.071	AB
SDSS_u	383.32	10.2	17.441	0.029	AB
SDSS_g	1424.0	10.24	16.016	0.008	AB
PanSTARRS_g	1565.46	2.71	15.913	0.002	AB
SDSS_r	2973.64	15.24	15.217	0.006	AB
PanSTARRS_r	3049.61	3.1	15.189	0.001	AB
SDSS_i	4404.25	19.75	14.790	0.005	AB
PanSTARRS_i	4368.09	3.08	14.799	0.001	AB
PanSTARRS_z	5606.22	8.86	14.528	0.002	AB
SDSS_z	5737.53	41.85	14.503	0.008	AB
PanSTARRS_y	7047.74	19.02	14.280	0.003	AB
WISE_W1	5674.37	48.22	11.816	0.009	Vega
WISE_W2	4563.54	58.99	11.413	0.014	Vega
WISE_W3	19522.89	218.61	8.000	0.012	Vega
WISE_W4	63133.1	2302.94	5.279	0.040	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.524	9.654	9.775
{\rm log}_{10}({\rm SFR})	-1.361	-0.674	-0.118
{\rm log}_{10}({\rm sSFR})	-11.042	-10.344	-9.711
{\rm stellar\ age}	4.545	7.200	9.066

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.387	-0.596	-0.238
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.605	-0.443	0.163

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.308	0.783	1.300
\delta	-0.651	-0.268	0.019
\tau_1/\tau_2	0.704	1.043	1.413
Q_{PAH}	0.438	1.560	3.705
U_{min}	2.858	7.969	14.663
{\rm log}_{10}(\gamma_e)\,	-3.348	-2.031	-0.873

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.139	-2.149	-0.679
{\rm log}_{10}(\tau_{AGN})\,	1.007	1.417	1.909

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.488	-0.809	-0.277
0.03-0.10 Gyr	-1.586	-0.695	-0.051
0.10-0.33 Gyr	-1.467	-0.623	-0.031
0.33-1.09 Gyr	-1.444	-0.552	-0.070
1.09-3.61 Gyr	-1.099	-0.304	0.028
3.61-11.93 Gyr	-0.646	-0.185	0.004
11.93-13.25 Gyr	-0.758	-0.071	0.537
0.33-1.09 Gyr	-1.695	-0.676	-0.122
1.09-3.61 Gyr	-1.416	-0.429	-0.070
3.61-11.93 Gyr	-0.784	-0.258	-0.052
11.93-13.25 Gyr	-0.813	-0.134	0.578
0.33-1.09 Gyr	-1.419	-0.609	-0.085
1.09-3.62 Gyr	-1.342	-0.458	-0.090
3.62-11.96 Gyr	-0.931	-0.301	-0.104
11.96-13.29 Gyr	-1.014	-0.204	0.389

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.514	10.575	10.643
{\rm log}_{10}({\rm SFR})	-0.616	-0.339	-0.020
{\rm log}_{10}({\rm sSFR})	-11.223	-10.912	-10.538
{\rm stellar\ age}	6.773	7.637	8.570

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.542	-0.304	-0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.666	0.189	0.395

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.348	0.475	0.626
\delta	-0.301	0.042	0.289
\tau_1/\tau_2	0.565	0.902	1.235
Q_{PAH}	0.293	0.888	1.996
U_{min}	2.897	8.341	15.308
{\rm log}_{10}(\gamma_e)\,	-1.495	-0.926	-0.296

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.366	-1.085	-0.834
{\rm log}_{10}(\tau_{AGN})\,	1.230	1.528	1.744

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.759	-0.232	0.074
0.03-0.10 Gyr	-0.947	-0.413	0.003
0.10-0.33 Gyr	-0.919	-0.309	0.157
0.33-1.09 Gyr	-0.563	0.015	0.351
1.09-3.61 Gyr	0.069	0.528	0.779
3.61-11.93 Gyr	0.609	0.791	0.915
11.93-13.25 Gyr	0.224	0.811	1.256
0.33-1.09 Gyr	-0.712	-0.044	0.324
1.09-3.61 Gyr	0.169	0.561	0.804
3.61-11.93 Gyr	0.596	0.770	0.892
11.93-13.25 Gyr	0.253	0.765	1.219
0.33-1.09 Gyr	-0.759	-0.123	0.263
1.09-3.62 Gyr	0.017	0.469	0.721
3.62-11.96 Gyr	0.557	0.725	0.852
11.96-13.29 Gyr	0.177	0.739	1.170