2026hdi results

2026hdi results

Information

Transient

Name:	`SN2026hdi`
Right ascension:	`3h27m48.23s`
Declination:	`40d02m03.56s`
Discovery Date:	`March 24, 2026, 3:13 a.m.`
Classification:	`SN IIb`
Redshift:	`0.013576`
MW E(B-V):	`0.134`

Host

Name:	`03274804+4002027`
Right ascension:	`3h27m48.05s`
Declination:	`40d02m02.72s`
Redshift:	`None`
Photometric Redshift:	`0.013`

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	17.17
Transient MWEBV	processed	0.1
Host match	processed	5.54
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.71
Global aperture photometry	processed	4.96
Validate global photometry	processed	16.37
Global host SED inference	processed	746.44
Local aperture photometry	processed	4.62
Validate local photometry	processed	0.03
Local host SED inference	processed	421.47

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	3h27m48.23s, 40d02m03.56s
semi major axis, semi minor axis (arcsec):	7.21, 7.21
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	29.48	0.76	20.226	0.028	AB
GALEX_NUV	50.37	0.54	19.645	0.012	AB
SDSS_u	208.96	5.5	18.100	0.029	AB
SDSS_g	607.63	6.66	16.941	0.012	AB
PanSTARRS_g	628.27	1.84	16.905	0.003	AB
SDSS_r	1073.6	8.99	16.323	0.009	AB
PanSTARRS_r	1076.07	2.55	16.320	0.003	AB
SDSS_i	1422.4	11.13	16.017	0.008	AB
PanSTARRS_i	1427.08	2.85	16.014	0.002	AB
PanSTARRS_z	1720.2	5.41	15.811	0.003	AB
SDSS_z	1845.65	20.56	15.735	0.012	AB
PanSTARRS_y	1914.7	13.15	15.695	0.007	AB
2MASS_J	2533.73	158.44	14.496	0.068	Vega
2MASS_H	3423.65	212.46	13.696	0.067	Vega
2MASS_K	3279.79	246.94	13.273	0.082	Vega
WISE_W1	1096.81	23.65	13.601	0.023	Vega
WISE_W2	646.57	24.19	13.534	0.041	Vega
WISE_W3	1707.15	65.98	10.645	0.042	Vega

Aperture details

RA, DEC (J2000):	3h27m47.77s, 40d02m02.23s
semi major axis, semi minor axis (arcsec):	56.07, 6.79
angle (degrees, anti-clockwise from east):	-95.67

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	102.05	1.73	18.878	0.018	AB
SDSS_g	1843.94	12.32	15.736	0.007	AB
PanSTARRS_g	1886.39	4.79	15.711	0.003	AB
PanSTARRS_r	2906.17	6.65	15.242	0.002	AB
SDSS_i	3976.22	21.83	14.901	0.006	AB
PanSTARRS_i	3962.01	7.48	14.905	0.002	AB
PanSTARRS_z	4596.89	14.46	14.744	0.003	AB
SDSS_z	5151.28	50.48	14.620	0.011	AB
PanSTARRS_y	4382.12	34.84	14.796	0.009	AB
2MASS_J	6651.59	441.8	13.448	0.072	Vega
2MASS_H	8580.07	591.68	12.699	0.075	Vega
2MASS_K	7349.84	689.79	12.397	0.102	Vega
WISE_W2	2657.38	80.17	12.000	0.033	Vega
WISE_W3	7352.25	259.13	9.060	0.038	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.944	9.076	9.183
{\rm log}_{10}({\rm SFR})	-1.222	-0.803	-0.434
{\rm log}_{10}({\rm sSFR})	-10.338	-9.885	-9.457
{\rm stellar\ age}	6.208	7.555	9.357

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.283	-0.878	-0.551
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.808	-0.900	0.244

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.164	0.272	0.414
\delta	-0.728	-0.397	-0.074
\tau_1/\tau_2	0.737	1.106	1.462
Q_{PAH}	0.518	1.428	3.165
U_{min}	2.689	8.372	15.897
{\rm log}_{10}(\gamma_e)\,	-3.094	-2.346	-1.525

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.265	-2.890	-1.733
{\rm log}_{10}(\tau_{AGN})\,	0.995	1.445	1.913

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.078	-1.790	-1.304
0.03-0.10 Gyr	-1.117	-0.664	-0.276
0.10-0.33 Gyr	-1.341	-0.828	-0.497
0.33-1.10 Gyr	-2.017	-1.234	-0.908
1.10-3.63 Gyr	-1.843	-1.128	-0.824
3.63-12.04 Gyr	-1.261	-0.844	-0.659
12.04-13.37 Gyr	-1.380	-0.702	-0.076

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.339	9.466	9.569
{\rm log}_{10}({\rm SFR})	-2.298	-1.017	-0.509
{\rm log}_{10}({\rm sSFR})	-11.735	-10.492	-9.975
{\rm stellar\ age}	4.198	6.665	8.164

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.429	-1.125	-0.864
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.879	-1.560	-0.623

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.108	0.252	0.480
\delta	-0.282	0.133	0.341
\tau_1/\tau_2	0.496	0.854	1.277
Q_{PAH}	0.473	1.450	3.287
U_{min}	2.568	7.810	15.125
{\rm log}_{10}(\gamma_e)\,	-3.337	-2.459	-1.524

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.654	-1.367	-1.140
{\rm log}_{10}(\tau_{AGN})\,	0.929	1.242	1.496

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.359	-2.070	-1.140
0.03-0.10 Gyr	-2.302	-0.934	-0.367
0.10-0.33 Gyr	-0.903	-0.381	-0.034
0.33-1.10 Gyr	-1.035	-0.468	-0.077
1.10-3.63 Gyr	-0.988	-0.484	-0.206
3.63-12.04 Gyr	-1.264	-0.521	-0.302
12.04-13.37 Gyr	-1.520	-0.496	0.063