2026tnd results

2026tnd results

Information

Transient

Name:	`SN2026tnd`
Right ascension:	`16h25m24.91s`
Declination:	`38d48m20.65s`
Discovery Date:	`July 10, 2026, 9:52 p.m.`
Classification:	`SN II`
Redshift:	`0.030000`
MW E(B-V):	`0.010`

Host

Name:	`J162523.59+384823.33`
Object ID:	`9907734547400815`
Catalog Name:	`decals`
Catalog Release:	`dr9`
Right ascension:	`16h25m23.59s`
Declination:	`38d48m23.33s`
Redshift:	`0.031635`
Photometric Redshift:	`None`

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	15.85
Transient MWEBV	processed	0.25
Host match	processed	6.58
Host information	processed	0.06
Host MWEBV	processed	0.12
Global aperture construction	processed	0.61
Global aperture photometry	processed	5.0
Validate global photometry	processed	13.39
Global host SED inference	processed	452.04
Local aperture photometry	processed	4.89
Validate local photometry	processed	0.03
Local host SED inference	processed	612.53

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	16h25m24.91s, 38d48m20.65s
semi major axis, semi minor axis (arcsec):	3.16, 3.16
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	34.01	3.4	20.071	0.108	AB
SDSS_g	109.38	2.85	18.803	0.028	AB
PanSTARRS_g	111.21	0.87	18.785	0.009	AB
SDSS_r	189.66	3.82	18.205	0.022	AB
PanSTARRS_r	203.3	0.94	18.130	0.005	AB
SDSS_i	265.8	5.0	17.839	0.020	AB
PanSTARRS_i	262.63	0.9	17.852	0.004	AB
PanSTARRS_z	320.96	2.09	17.634	0.007	AB
SDSS_z	359.17	10.47	17.512	0.032	AB
PanSTARRS_y	344.9	4.59	17.556	0.014	AB
2MASS_J	423.27	66.97	16.439	0.172	Vega
2MASS_H	546.26	93.42	15.689	0.186	Vega
2MASS_K	326.22	115.05	15.778	0.383	Vega

Aperture details

RA, DEC (J2000):	16h25m23.60s, 38d48m23.42s
semi major axis, semi minor axis (arcsec):	33.56, 5.99
angle (degrees, anti-clockwise from east):	280.63

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	66.58	6.8	19.342	0.111	AB
GALEX_NUV	83.8	5.08	19.092	0.066	AB
SDSS_u	423.58	14.98	17.333	0.038	AB
SDSS_g	1741.91	11.54	15.797	0.007	AB
PanSTARRS_g	1853.03	3.84	15.730	0.002	AB
SDSS_r	3426.16	16.38	15.063	0.005	AB
PanSTARRS_r	3613.55	4.12	15.005	0.001	AB
SDSS_i	5017.74	21.96	14.649	0.005	AB
PanSTARRS_i	4999.96	4.0	14.653	0.001	AB
PanSTARRS_z	6438.94	9.47	14.378	0.002	AB
SDSS_z	6991.61	46.82	14.289	0.007	AB
PanSTARRS_y	7613.42	20.36	14.196	0.003	AB
WISE_W1	6551.35	59.1	11.660	0.010	Vega
WISE_W2	4280.74	54.7	11.482	0.014	Vega
WISE_W3	17332.49	176.19	8.129	0.011	Vega
WISE_W4	22266.45	1304.87	6.411	0.064	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.126	9.243	9.351
{\rm log}_{10}({\rm SFR})	-2.140	-1.355	-0.759
{\rm log}_{10}({\rm sSFR})	-11.409	-10.590	-10.015
{\rm stellar\ age}	7.077	8.460	12.132

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.563	-0.984	-0.602
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.896	-1.501	0.067

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.170	0.607	1.019
\delta	-0.586	-0.119	0.220
\tau_1/\tau_2	0.653	1.028	1.402
Q_{PAH}	0.703	2.153	4.455
U_{min}	2.962	8.711	15.762
{\rm log}_{10}(\gamma_e)\,	-3.336	-2.238	-0.843

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.359	-1.106	-0.349
{\rm log}_{10}(\tau_{AGN})\,	1.041	1.396	1.751

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.564	-1.565	-0.992
0.03-0.10 Gyr	-2.349	-1.374	-0.668
0.10-0.33 Gyr	-2.539	-1.492	-0.769
0.33-1.10 Gyr	-3.086	-1.594	-0.936
1.10-3.63 Gyr	-3.303	-1.460	-0.791
3.63-12.00 Gyr	-1.681	-0.736	-0.521
12.00-13.33 Gyr	-0.993	-0.302	0.400

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.580	10.624	10.687
{\rm log}_{10}({\rm SFR})	-0.613	-0.367	-0.177
{\rm log}_{10}({\rm sSFR})	-11.236	-10.991	-10.789
{\rm stellar\ age}	7.807	8.449	10.598

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.620	-0.422	-0.251
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.561	-0.234	0.297

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.455	0.568	0.707
\delta	0.162	0.290	0.364
\tau_1/\tau_2	0.597	0.996	1.398
Q_{PAH}	2.021	3.354	5.027
U_{min}	2.426	7.372	14.675
{\rm log}_{10}(\gamma_e)\,	-2.841	-1.833	-1.296

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.867	-1.604	-1.259
{\rm log}_{10}(\tau_{AGN})\,	1.029	1.487	1.839

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.428	-0.177	0.044
0.03-0.10 Gyr	-1.849	-0.558	-0.195
0.10-0.33 Gyr	-2.163	-0.813	-0.348
0.33-1.10 Gyr	-1.876	-0.823	-0.335
1.10-3.63 Gyr	-1.231	-0.175	0.323
3.63-12.00 Gyr	0.522	0.807	0.889
12.00-13.33 Gyr	0.462	0.997	1.586