2026hdt results

2026hdt results

Information

Transient

Name:	`SN2026hdt`
Right ascension:	`11h44m34.48s`
Declination:	`52d10m53.15s`
Discovery Date:	`March 24, 2026, 9:07 a.m.`
Classification:	`SN II`
Redshift:	`0.032718`
MW E(B-V):	`0.018`

Host

Name:	`J114434.44+521052.87`
Right ascension:	`11h44m34.44s`
Declination:	`52d10m52.87s`
Redshift:	`None`
Photometric Redshift:	`0.028`

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	16.87
Transient MWEBV	processed	0.11
Host match	processed	6.13
Host information	processed	0.06
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	4.7
Validate global photometry	processed	15.6
Global host SED inference	processed	515.04
Local aperture photometry	processed	4.61
Validate local photometry	processed	0.03
Local host SED inference	processed	549.65

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	11h44m34.48s, 52d10m53.15s
semi major axis, semi minor axis (arcsec):	3.06, 3.06
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	31.16	2.84	20.166	0.099	AB
SDSS_g	69.43	2.31	19.296	0.036	AB
PanSTARRS_g	63.84	0.76	19.387	0.013	AB
SDSS_r	94.94	2.85	18.956	0.033	AB
PanSTARRS_r	90.62	1.14	19.007	0.014	AB
SDSS_i	112.75	3.52	18.770	0.034	AB
PanSTARRS_i	110.66	1.2	18.790	0.012	AB
PanSTARRS_z	123.69	2.2	18.669	0.019	AB
SDSS_z	121.61	10.24	18.688	0.091	AB
PanSTARRS_y	117.77	7.44	18.722	0.069	AB
2MASS_J	104.5	67.29	17.957	0.699	Vega
2MASS_H	219.03	115.14	16.681	0.571	Vega
2MASS_K	160.88	101.85	16.546	0.687	Vega

Aperture details

RA, DEC (J2000):	11h44m34.40s, 52d10m53.02s
semi major axis, semi minor axis (arcsec):	5.99, 4.31
angle (degrees, anti-clockwise from east):	-99.47

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	17.38	4.28	20.800	0.267	AB
GALEX_NUV	18.6	2.9	20.726	0.169	AB
SDSS_u	48.77	4.56	19.680	0.101	AB
SDSS_g	99.69	2.93	18.903	0.032	AB
PanSTARRS_g	85.94	1.25	19.064	0.016	AB
PanSTARRS_r	126.56	1.86	18.644	0.016	AB
SDSS_i	149.27	4.89	18.465	0.036	AB
PanSTARRS_i	153.75	1.97	18.433	0.014	AB
SDSS_z	141.42	16.66	18.524	0.128	AB
2MASS_J	115.61	125.66	17.848	1.180	Vega
2MASS_K	165.77	190.26	16.513	1.246	Vega
WISE_W1	50.97	8.42	16.933	0.179	Vega
WISE_W3	-12.17	53.59			Vega
WISE_W4	-188.78	359.5			Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.395	8.612	8.747
{\rm log}_{10}({\rm SFR})	-2.544	-1.410	-0.562
{\rm log}_{10}({\rm sSFR})	-11.115	-10.063	-9.150
{\rm stellar\ age}	3.523	6.564	8.475

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.737	-1.293	-0.767
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.818	-1.264	-0.257

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.128	0.425	0.860
\delta	-0.528	-0.120	0.249
\tau_1/\tau_2	0.742	1.120	1.475
Q_{PAH}	0.843	2.901	5.636
U_{min}	3.580	9.419	16.515
{\rm log}_{10}(\gamma_e)\,	-3.125	-1.837	-0.479

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.551	-0.861	-0.217
{\rm log}_{10}(\tau_{AGN})\,	1.055	1.587	2.026

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.500	-2.353	-1.607
0.03-0.10 Gyr	-2.579	-1.297	-0.405
0.10-0.33 Gyr	-2.150	-1.180	-0.599
0.33-1.10 Gyr	-4.071	-1.697	-1.167
1.10-3.63 Gyr	-3.630	-1.640	-1.222
3.63-12.04 Gyr	-2.900	-1.454	-1.159
12.04-13.38 Gyr	-2.682	-1.408	-0.586
0.33-1.09 Gyr	-3.073	-1.480	-1.005
1.09-3.62 Gyr	-2.905	-1.498	-1.146
3.62-11.99 Gyr	-2.463	-1.410	-1.126
11.99-13.32 Gyr	-2.473	-1.396	-0.699

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.442	8.635	8.798
{\rm log}_{10}({\rm SFR})	-1.319	-0.992	-0.630
{\rm log}_{10}({\rm sSFR})	-9.988	-9.622	-9.206
{\rm stellar\ age}	4.655	6.647	8.297

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.790	-1.398	-0.838
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.007	0.209	0.389

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.148	0.321	0.539
\delta	-0.512	-0.146	0.110
\tau_1/\tau_2	0.533	0.895	1.279
Q_{PAH}	0.361	1.188	2.686
U_{min}	2.851	8.039	15.242
{\rm log}_{10}(\gamma_e)\,	-2.976	-1.898	-0.862

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.560	-1.940	-1.103
{\rm log}_{10}(\tau_{AGN})\,	1.150	1.565	1.915

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.112	-1.381	-0.934
0.03-0.10 Gyr	-1.362	-0.921	-0.500
0.10-0.33 Gyr	-1.691	-1.103	-0.738
0.33-1.10 Gyr	-2.228	-1.523	-1.173
1.10-3.63 Gyr	-2.259	-1.545	-1.240
3.63-12.04 Gyr	-1.970	-1.434	-1.205
12.04-13.38 Gyr	-2.128	-1.409	-0.743
0.33-1.09 Gyr	-2.028	-1.357	-1.018
1.09-3.62 Gyr	-2.074	-1.423	-1.127
3.62-11.99 Gyr	-1.911	-1.349	-1.101
11.99-13.32 Gyr	-2.116	-1.335	-0.690