2026ctc

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Information

Transient

Name: AT2026ctc
Right ascension: 2h44m47.43s
Declination: -2d29m21.10s
Discovery Date: Feb. 4, 2026, 2:49 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.033

Host

Name:
Right ascension: 2h44m47.44s
Declination: -2d29m20.87s
Redshift: None
Photometric Redshift: 0.152

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.91
Transient MWEBV	processed	0.11
Host match	processed	6.89
Host information	processed	0.16
Host MWEBV	processed	0.1
Global aperture construction	processed	0.6
Global aperture photometry	processed	6.14
Validate global photometry	processed	16.57
Global host SED inference	processed	405.61
Local aperture photometry	processed	5.94
Validate local photometry	no valid phot	0.03
Local host SED inference	not processed	None

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) = 2h44m47.43s, -2d29m21.10s
semi major axis, semi minor axis (arcsec) = 0.76, 0.76
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 2h44m47.43s, -2d29m20.55s
semi major axis, semi minor axis (arcsec) = 3.06, 2.81
angle (degrees, anti-clockwise from east) = -70.83

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.1	1.07	23.796	1.058	AB
GALEX_NUV	0.32	1.51	25.124	5.077	AB
SDSS_u	6.72	2.52	21.832	0.408	AB
SDSS_g	30.97	1.68	20.173	0.059	AB
DES_g	31.94	0.5	20.139	0.017	AB
PanSTARRS_g	32.47	0.63	20.121	0.021	AB
SDSS_r	67.98	2.63	19.319	0.042	AB
PanSTARRS_r	68.2	0.72	19.316	0.011	AB
DES_r	73.19	1.75	19.239	0.026	AB
SDSS_i	99.27	3.51	18.908	0.038	AB
PanSTARRS_i	98.21	0.99	18.920	0.011	AB
PanSTARRS_z	123.4	1.95	18.672	0.017	AB
SDSS_z	114.64	9.99	18.752	0.095	AB
DES_z	135.8	1.23	18.568	0.010	AB
PanSTARRS_y	130.82	5.46	18.608	0.045	AB
WISE_W1	81.81	7.6	16.419	0.101	Vega
WISE_W2	63.63	9.88	16.052	0.169	Vega
WISE_W3	91.52	37.83	13.822	0.449	Vega
WISE_W4	532.98	274.78	10.463	0.560	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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})\,	9.946	10.093	10.209
{\rm log}_{10}({\rm SFR})	-1.520	-0.519	0.097
{\rm log}_{10}({\rm sSFR})	-11.752	-10.670	-9.990
{\rm stellar\ age}	4.172	6.252	7.586

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.286	-0.786	-0.431
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.586	-0.813	0.077

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.332	0.511	0.701
\delta	-0.745	-0.440	-0.111
\tau_1/\tau_2	0.600	0.962	1.314
Q_{PAH}	1.087	2.662	4.738
U_{min}	2.935	8.696	15.783
{\rm log}_{10}(\gamma_e)\,	-2.481	-1.341	-0.525

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.871	-2.093	-1.237
{\rm log}_{10}(\tau_{AGN})\,	1.047	1.485	1.901

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.985	-0.705	-0.158
0.03-0.10 Gyr	-1.736	-0.522	0.190
0.10-0.32 Gyr	-1.447	-0.258	0.321
0.32-1.03 Gyr	-1.102	-0.068	0.478
1.03-3.32 Gyr	-0.482	0.148	0.448
3.32-10.65 Gyr	-0.451	0.193	0.415
10.65-11.83 Gyr	-0.727	0.194	0.787