2025ktc

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Information

Transient

Name: AT2025ktc
Right ascension: 11h40m34.68s
Declination: 17d56m31.20s
Discovery Date: May 19, 2025, 7:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name: 2025ktc
Right ascension: 11h40m34.67s
Declination: 17d56m31.42s
Redshift: None
Photometric Redshift: 0.128

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.95
Transient MWEBV	processed	0.06
Host match	processed	2.1
Host information	processed	0.09
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	7.92
Validate global photometry	processed	20.91
Global host SED inference	processed	435.14
Local aperture photometry	processed	7.59
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) = 11h40m34.68s, 17d56m31.20s
semi major axis, semi minor axis (arcsec) = 0.87, 0.87
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) = 11h40m34.66s, 17d56m31.76s
semi major axis, semi minor axis (arcsec) = 4.0, 3.02
angle (degrees, anti-clockwise from east) = -146.76

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.8	0.54	22.451	0.155	AB
GALEX_NUV	5.38	0.47	22.073	0.095	AB
SDSS_u	26.33	3.2	20.349	0.132	AB
SDSS_g	56.35	2.25	19.523	0.043	AB
DES_g	59.96	0.43	19.455	0.008	AB
PanSTARRS_g	60.99	0.82	19.437	0.015	AB
SDSS_r	118.84	3.34	18.713	0.031	AB
PanSTARRS_r	121.13	0.99	18.692	0.009	AB
DES_r	128.3	0.97	18.629	0.008	AB
SDSS_i	186.63	4.71	18.223	0.027	AB
PanSTARRS_i	167.94	1.08	18.337	0.007	AB
PanSTARRS_z	227.27	2.25	18.009	0.011	AB
SDSS_z	220.11	11.69	18.043	0.058	AB
DES_z	230.99	3.39	17.991	0.016	AB
PanSTARRS_y	274.48	5.15	17.804	0.020	AB
2MASS_J	371.4	86.39	16.580	0.253	Vega
2MASS_H	327.42	160.63	16.245	0.533	Vega
2MASS_K	257.85	138.21	16.034	0.582	Vega
WISE_W1	137.62	9.28	15.854	0.073	Vega
WISE_W2	86.75	13.57	15.715	0.170	Vega
WISE_W3	106.6	58.26	13.657	0.593	Vega
WISE_W4	-24.75	348.71			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})\,	10.244	10.303	10.400
{\rm log}_{10}({\rm SFR})	0.056	0.382	0.741
{\rm log}_{10}({\rm sSFR})	-10.257	-9.908	-9.545
{\rm stellar\ age}	7.090	8.233	11.158

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.998	-0.538	-0.322
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.350	-0.111	0.241

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.233	0.368	0.584
\delta	-0.800	-0.529	-0.305
\tau_1/\tau_2	0.567	1.057	1.561
Q_{PAH}	0.679	2.015	4.085
U_{min}	3.036	8.230	15.393
{\rm log}_{10}(\gamma_e)\,	-2.131	-1.221	-0.448

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.152	-2.904	-1.833
{\rm log}_{10}(\tau_{AGN})\,	1.088	1.570	1.940

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.491	-0.501	-0.179
0.03-0.10 Gyr	0.184	0.524	0.896
0.10-0.32 Gyr	-2.896	-0.656	-0.040
0.32-1.04 Gyr	-4.368	-0.996	-0.398
1.04-3.37 Gyr	-3.199	-0.720	-0.099
3.37-10.90 Gyr	-0.818	0.425	0.566
10.90-12.11 Gyr	0.201	0.948	1.532