2026iu

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Information

Transient

Name: SN2026iu
Right ascension: 15h57m58.52s
Declination: 2d48m10.90s
Discovery Date: Jan. 9, 2026, 12:38 p.m.
Classification: SN Ia
Redshift: 0.047590
MW E(B-V): 0.131

Host

Name: 3122254
Right ascension: 15h57m58.53s
Declination: 2d48m11.28s
Redshift: 0.047727
Photometric Redshift:

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	0.77
Transient MWEBV	processed	0.05
Host match	processed	4.56
Host information	processed	0.05
Host MWEBV	processed	0.09
Global aperture construction	processed	0.61
Global aperture photometry	failed	0.04
Validate global photometry	not processed	18.2
Global host SED inference	not processed	456.3
Local aperture photometry	failed	0.01
Validate local photometry	not processed	0.03
Local host SED inference	not processed	500.66

Cutout Download Report

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:

Aperture Photometry

Aperture details

RA, DEC (J2000) = 15h57m58.52s, 2d48m10.90s
semi major axis, semi minor axis (arcsec) = 2.14, 2.14
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	31.0	2.05	20.171	0.072	AB
SDSS_g	168.94	3.44	18.331	0.022	AB
DES_g	178.34	0.67	18.272	0.004	AB
PanSTARRS_g	184.46	0.6	18.235	0.004	AB
SDSS_r	383.45	5.17	17.441	0.015	AB
PanSTARRS_r	386.41	0.73	17.432	0.002	AB
DES_r	426.51	1.38	17.325	0.004	AB
SDSS_i	574.47	6.39	17.002	0.012	AB
PanSTARRS_i	568.7	0.68	17.013	0.001	AB
PanSTARRS_z	744.8	1.63	16.720	0.002	AB
SDSS_z	794.85	9.24	16.649	0.013	AB
DES_z	788.8	4.72	16.658	0.006	AB
PanSTARRS_y	831.45	3.15	16.600	0.004	AB

Aperture details

RA, DEC (J2000) = 15h57m58.53s, 2d48m11.10s
semi major axis, semi minor axis (arcsec) = 6.93, 3.69
angle (degrees, anti-clockwise from east) = -171.46

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.8	2.47	21.992	0.463	AB
GALEX_NUV	2.62	0.52	22.855	0.214	AB
SDSS_u	62.1	4.15	19.417	0.073	AB
SDSS_g	262.12	4.5	17.854	0.019	AB
DES_g	279.67	0.89	17.783	0.003	AB
SDSS_r	598.67	6.76	16.957	0.012	AB
PanSTARRS_r	611.11	1.52	16.935	0.003	AB
DES_r	655.15	1.77	16.859	0.003	AB
SDSS_i	903.47	8.51	16.510	0.010	AB
PanSTARRS_i	903.17	1.46	16.511	0.002	AB
PanSTARRS_z	1163.55	3.59	16.236	0.003	AB
SDSS_z	1206.39	16.14	16.196	0.015	AB
DES_z	1233.86	5.99	16.172	0.005	AB
PanSTARRS_y	1392.9	7.24	16.040	0.006	AB
2MASS_J	1678.87	144.53	14.943	0.093	Vega
2MASS_H	2421.72	196.22	14.072	0.088	Vega
2MASS_K	2153.68	259.93	13.729	0.131	Vega
WISE_W1	715.12	17.55	14.065	0.027	Vega
WISE_W2	392.42	19.1	14.077	0.053	Vega
WISE_W3	-81.35	71.45			Vega
WISE_W4	-97.75	452.14			Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.886	9.969	10.079
{\rm log}_{10}({\rm SFR})	-2.082	-1.080	-0.446
{\rm log}_{10}({\rm sSFR})	-12.075	-11.032	-10.388
{\rm stellar\ age}	6.763	7.880	10.842

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.380	-0.925	-0.697
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.896	-1.629	-0.599

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.299	0.472	0.755
\delta	-0.816	-0.569	-0.153
\tau_1/\tau_2	0.574	0.941	1.312
Q_{PAH}	0.414	2.074	4.594
U_{min}	2.781	8.150	15.472
{\rm log}_{10}(\gamma_e)\,	-3.136	-1.602	-0.613

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.907	-1.869	-0.957
{\rm log}_{10}(\tau_{AGN})\,	0.940	1.352	1.904

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.244	-1.102	-0.570
0.03-0.10 Gyr	-2.599	-1.160	-0.387
0.10-0.33 Gyr	-2.614	-1.087	-0.350
0.33-1.09 Gyr	-2.360	-0.923	-0.269
1.09-3.58 Gyr	-1.985	-0.468	0.037
3.58-11.81 Gyr	-0.428	0.070	0.247
11.81-13.12 Gyr	-0.410	0.247	1.038

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.172	10.248	10.346
{\rm log}_{10}({\rm SFR})	-4.685	-1.955	-0.884
{\rm log}_{10}({\rm sSFR})	-15.086	-12.259	-11.083
{\rm stellar\ age}	7.717	10.375	12.439

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.550	-1.218	-0.964
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.309	-0.341	0.238

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.256	0.370	0.505
\delta	-0.769	-0.486	-0.244
\tau_1/\tau_2	0.539	0.953	1.378
Q_{PAH}	0.660	2.456	4.685
U_{min}	3.626	9.934	18.471
{\rm log}_{10}(\gamma_e)\,	-2.789	-1.506	-0.437

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.511	-3.680	-2.672
{\rm log}_{10}(\tau_{AGN})\,	1.140	1.683	2.014

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-6.530	-2.935	-1.459
0.03-0.10 Gyr	-5.054	-1.985	-0.768
0.10-0.33 Gyr	-5.483	-2.358	-0.882
0.33-1.09 Gyr	-5.821	-2.738	-1.092
1.09-3.58 Gyr	-4.177	-2.134	-0.593
3.58-11.81 Gyr	-2.141	0.157	0.489
11.81-13.12 Gyr	-0.280	1.149	1.481