2025kcn

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Information

Transient

Name: AT2025kcn
Right ascension: 13h57m00.69s
Declination: 5d03m36.80s
Discovery Date: April 28, 2025, 5:16 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: 2025kcn
Right ascension: 13h57m00.53s
Declination: 5d03m37.47s
Redshift: 0.000678
Photometric Redshift: 0.312

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	15.53
Transient MWEBV	processed	0.05
Host match	processed	2.04
Host information	processed	0.09
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	5.63
Validate global photometry	processed	14.51
Global host SED inference	time limit exceeded	7195.57
Local aperture photometry	processed	8.04
Validate local photometry	processed	0.03
Local host SED inference	processed	517.32

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) = 13h57m00.69s, 5d03m36.80s
semi major axis, semi minor axis (arcsec) = 142.19, 142.19
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	48.33	2.3	19.690	0.052	AB
GALEX_NUV	158.86	2.75	18.397	0.019	AB
SDSS_u	3935.21	100.98	14.913	0.028	AB
SDSS_g	15762.78	59.87	13.406	0.004	AB
PanSTARRS_g	24399.83	33.0	12.932	0.001	AB
SDSS_r	8139.22	76.5	14.124	0.010	AB
SDSS_i	22739.68	121.98	13.008	0.006	AB
PanSTARRS_z	61197.78	82.75	11.933	0.001	AB
SDSS_z	80256.21	399.79	11.639	0.005	AB
PanSTARRS_y	73474.55	208.21	11.735	0.003	AB
WISE_W1	27296.7	219.02	10.111	0.009	Vega
WISE_W2	15282.26	272.55	10.101	0.019	Vega
WISE_W3	10301.98	1145.95	8.694	0.121	Vega
WISE_W4	7295.36	5084.78	7.622	0.757	Vega

Aperture details

RA, DEC (J2000) = 13h57m00.53s, 5d03m37.51s
semi major axis, semi minor axis (arcsec) = 2.38, 2.0
angle (degrees, anti-clockwise from east) = -96.08

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	0.04	0.07	27.505	2.187	AB
GALEX_NUV	0.63	0.11	24.400	0.185	AB
SDSS_u	4.96	1.67	22.162	0.366	AB
SDSS_g	13.98	1.2	21.036	0.093	AB
PanSTARRS_g	13.25	0.5	21.094	0.041	AB
SDSS_r	23.62	1.63	20.467	0.075	AB
PanSTARRS_r	22.0	0.68	20.544	0.034	AB
SDSS_i	34.78	2.27	20.047	0.071	AB
PanSTARRS_i	31.62	0.65	20.150	0.022	AB
PanSTARRS_z	34.61	1.19	20.052	0.037	AB
SDSS_z	51.95	6.21	19.611	0.130	AB
PanSTARRS_y	45.67	2.96	19.751	0.070	AB
WISE_W1	51.87	8.45	16.914	0.177	Vega
WISE_W2	33.87	9.45	16.737	0.303	Vega
WISE_W3	84.27	40.16	13.912	0.517	Vega
WISE_W4	366.02	322.34	10.871	0.956	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})\,	7.972	8.059	8.151
{\rm log}_{10}({\rm SFR})	-2.461	-2.175	-1.822
{\rm log}_{10}({\rm sSFR})	-10.556	-10.240	-9.827
{\rm stellar\ age}	7.391	8.270	10.298

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.570	-0.361	-0.190
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.758	-0.617	-0.481

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.540	0.675	0.833
\delta	-0.899	-0.771	-0.643
\tau_1/\tau_2	0.311	0.644	1.011
Q_{PAH}	0.125	0.420	0.960
U_{min}	3.238	8.547	16.206
{\rm log}_{10}(\gamma_e)\,	-3.222	-2.449	-1.474

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.526	-3.552	-2.436
{\rm log}_{10}(\tau_{AGN})\,	1.057	1.591	1.992

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.218	-1.989	-1.733
0.03-0.10 Gyr	-2.989	-2.341	-1.860
0.10-0.33 Gyr	-3.783	-2.868	-2.400
0.33-1.10 Gyr	-3.892	-2.888	-2.376
1.10-3.67 Gyr	-3.499	-2.436	-2.019
3.67-12.20 Gyr	-2.081	-1.819	-1.686
12.20-13.55 Gyr	-2.193	-1.654	-1.035

Global parameter details

Documentation

Data not available