2026ctx

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Information

Transient

Name: SN2026ctx
Right ascension: 14h48m48.62s
Declination: 62d07m08.67s
Discovery Date: Feb. 10, 2026, 3:03 a.m.
Classification: SN Ia
Redshift: 0.037000
MW E(B-V): 0.010

Host

Name: 2630933
Right ascension: 14h48m49.50s
Declination: 62d07m15.28s
Redshift: 0.038347
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	16.26
Transient MWEBV	processed	0.09
Host match	processed	4.57
Host information	processed	0.06
Host MWEBV	processed	0.2
Global aperture construction	processed	0.62
Global aperture photometry	processed	5.05
Validate global photometry	processed	15.9
Global host SED inference	processed	422.1
Local aperture photometry	processed	4.9
Validate local photometry	processed	0.02
Local host SED inference	processed	440.49

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) = 14h48m48.62s, 62d07m08.67s
semi major axis, semi minor axis (arcsec) = 2.63, 2.63
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	6.87	2.1	21.808	0.332	AB
SDSS_g	54.08	2.0	19.567	0.040	AB
PanSTARRS_g	56.71	0.8	19.516	0.015	AB
SDSS_r	123.36	3.05	18.672	0.027	AB
PanSTARRS_r	115.69	0.97	18.742	0.009	AB
SDSS_i	175.11	3.85	18.292	0.024	AB
PanSTARRS_i	173.96	1.38	18.299	0.009	AB
PanSTARRS_z	212.6	2.28	18.081	0.012	AB
SDSS_z	227.01	7.62	18.010	0.036	AB
PanSTARRS_y	274.18	5.68	17.805	0.022	AB

Aperture details

RA, DEC (J2000) = 14h48m49.54s, 62d07m15.10s
semi major axis, semi minor axis (arcsec) = 16.49, 13.76
angle (degrees, anti-clockwise from east) = -115.21

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	7.01	1.54	21.785	0.239	AB
GALEX_NUV	24.69	1.43	20.419	0.063	AB
SDSS_u	475.25	12.51	17.208	0.029	AB
SDSS_g	2680.66	13.88	15.329	0.006	AB
PanSTARRS_g	2758.07	4.62	15.298	0.002	AB
SDSS_r	5901.75	20.75	14.473	0.004	AB
PanSTARRS_r	5709.45	5.52	14.509	0.001	AB
SDSS_i	8541.65	25.94	14.071	0.003	AB
PanSTARRS_i	8509.18	7.96	14.075	0.001	AB
PanSTARRS_z	10298.34	13.51	13.868	0.001	AB
SDSS_z	11148.19	46.4	13.782	0.005	AB
PanSTARRS_y	12802.14	32.4	13.632	0.003	AB
2MASS_J	14832.59	405.42	12.577	0.030	Vega
2MASS_H	19025.61	684.17	11.834	0.039	Vega
2MASS_K	16891.09	591.7	11.493	0.038	Vega
WISE_W1	7242.97	36.01	11.551	0.005	Vega
WISE_W2	4072.72	38.51	11.536	0.010	Vega
WISE_W3	2483.53	104.36	10.238	0.046	Vega
WISE_W4	1259.09	451.59	9.530	0.389	Vega

Imaging data

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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})\,	9.191	9.322	9.461
{\rm log}_{10}({\rm SFR})	-1.941	-1.227	-0.686
{\rm log}_{10}({\rm sSFR})	-11.298	-10.556	-9.940
{\rm stellar\ age}	6.444	7.814	10.612

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.544	-0.993	-0.497
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.340	0.067	0.369

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.672	1.136	1.439
\delta	-0.430	-0.149	0.130
\tau_1/\tau_2	0.674	1.018	1.356
Q_{PAH}	0.634	2.015	4.480
U_{min}	2.774	7.412	14.541
{\rm log}_{10}(\gamma_e)\,	-3.352	-2.095	-0.780

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.781	-1.686	-0.709
{\rm log}_{10}(\tau_{AGN})\,	0.916	1.289	1.674

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.971	-1.153	-0.711
0.03-0.10 Gyr	-2.252	-1.353	-0.660
0.10-0.33 Gyr	-2.389	-1.386	-0.779
0.33-1.09 Gyr	-2.407	-1.304	-0.745
1.09-3.61 Gyr	-2.074	-0.930	-0.541
3.61-11.92 Gyr	-1.067	-0.615	-0.417
11.92-13.24 Gyr	-0.978	-0.409	0.343

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.900	10.970	11.041
{\rm log}_{10}({\rm SFR})	-1.942	-1.289	-0.893
{\rm log}_{10}({\rm sSFR})	-12.924	-12.272	-11.858
{\rm stellar\ age}	8.227	10.832	12.535

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.655	-0.519	-0.411
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.468	-0.667	0.047

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.187	0.259	0.346
\delta	-0.906	-0.733	-0.531
\tau_1/\tau_2	0.564	0.948	1.319
Q_{PAH}	0.342	0.939	2.124
U_{min}	2.340	7.308	14.666
{\rm log}_{10}(\gamma_e)\,	-3.401	-2.635	-1.864

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.568	-3.832	-2.981
{\rm log}_{10}(\tau_{AGN})\,	1.052	1.554	1.936

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.300	-1.349	-0.894
0.03-0.10 Gyr	-2.447	-1.373	-0.840
0.10-0.33 Gyr	-2.345	-1.306	-0.665
0.33-1.09 Gyr	-2.824	-1.314	-0.579
1.09-3.61 Gyr	-2.398	-0.935	-0.014
3.61-11.92 Gyr	-1.027	0.826	1.158
11.92-13.24 Gyr	1.081	1.912	2.166