2026knu results

2026knu results

Information

Transient

Name:	`SN2026knu`
Right ascension:	`10h10m53.46s`
Declination:	`45d56m52.48s`
Discovery Date:	`April 20, 2026, 4:23 a.m.`
Classification:	`SN IIb`
Redshift:	`0.024049`
MW E(B-V):	`0.010`

Host

Name:	`NGC3135`
Right ascension:	`10h10m54.40s`
Declination:	`45d57m01.39s`
Redshift:	`0.024892`
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: blocked

Task Name	Status	Time (s)
Cutout download	processed	17.85
Transient MWEBV	processed	0.1
Host match	processed	5.91
Host information	processed	0.05
Host MWEBV	processed	0.04
Global aperture construction	processed	0.7
Global aperture photometry	processed	5.4
Validate global photometry	processed	16.19
Global host SED inference	processed	585.63
Local aperture photometry	processed	4.87
Validate local photometry	processed	0.03
Local host SED inference	time limit exceeded	7193.67

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	10h10m53.46s, 45d56m52.48s
semi major axis, semi minor axis (arcsec):	3.99, 3.99
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	101.12	3.5	18.888	0.038	AB
SDSS_g	271.11	4.4	17.817	0.018	AB
PanSTARRS_g	67.97	1.13	19.319	0.018	AB
SDSS_r	411.56	5.49	17.364	0.014	AB
PanSTARRS_r	421.11	1.53	17.339	0.004	AB
SDSS_i	522.88	6.59	17.104	0.014	AB
PanSTARRS_i	495.63	1.07	17.162	0.002	AB
PanSTARRS_z	591.8	2.72	16.970	0.005	AB
SDSS_z	614.44	11.2	16.929	0.020	AB
PanSTARRS_y	736.21	9.09	16.732	0.013	AB
2MASS_J	904.04	76.12	15.615	0.091	Vega
2MASS_H	924.23	101.75	15.118	0.120	Vega
2MASS_K	850.33	134.12	14.738	0.171	Vega

Aperture details

RA, DEC (J2000):	10h10m54.22s, 45d57m02.56s
semi major axis, semi minor axis (arcsec):	28.36, 17.2
angle (degrees, anti-clockwise from east):	-86.28

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	523.29	15.86	17.103	0.033	AB
SDSS_g	7500.44	23.21	14.212	0.003	AB
SDSS_r	12692.11	30.48	13.641	0.003	AB
PanSTARRS_i	16671.15	5.93	13.345	0.000	AB
PanSTARRS_z	20035.16	15.31	13.146	0.001	AB
2MASS_J	28666.01	424.73	11.862	0.016	Vega
2MASS_K	28953.06	748.41	10.908	0.028	Vega

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.607	10.710	10.807
{\rm log}_{10}({\rm SFR})	0.159	0.627	1.081
{\rm log}_{10}({\rm sSFR})	-10.569	-10.106	-9.589
{\rm stellar\ age}	5.426	7.478	9.222

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.038	-0.578	-0.285
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.642	-0.743	0.007

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.305	0.648	0.928
\delta	-0.279	0.075	0.300
\tau_1/\tau_2	0.638	1.030	1.460
Q_{PAH}	0.522	2.317	4.385
U_{min}	2.184	6.531	13.576
{\rm log}_{10}(\gamma_e)\,	-3.551	-2.255	-1.538

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.336	-1.993	-0.960
{\rm log}_{10}(\tau_{AGN})\,	0.944	1.487	1.930

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.553	0.319	0.596
0.03-0.10 Gyr	0.098	0.703	1.215
0.10-0.33 Gyr	-0.224	0.536	1.083
0.33-1.10 Gyr	-0.251	0.420	0.924
1.10-3.64 Gyr	-0.192	0.577	0.954
3.64-12.08 Gyr	0.242	0.776	0.949
12.08-13.42 Gyr	0.117	0.885	1.491