2025ykx

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Information

Transient

Name: AT2025ykx
Right ascension: 3h06m25.41s
Declination: 1d28m12.94s
Discovery Date: Sept. 14, 2025, 9:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.066

Host

Name:
Right ascension: 3h06m25.47s
Declination: 1d28m11.98s
Redshift: None
Photometric Redshift: 0.112

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	20.45
Transient MWEBV	processed	0.07
Host match	processed	4.97
Host information	processed	0.15
Host MWEBV	processed	0.06
Global aperture construction	processed	0.69
Global aperture photometry	processed	6.83
Validate global photometry	processed	18.02
Global host SED inference	processed	868.03
Local aperture photometry	processed	7.08
Validate local photometry	processed	0.03
Local host SED inference	not enough filters	19.57

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) = 3h06m25.41s, 1d28m12.94s
semi major axis, semi minor axis (arcsec) = 0.98, 0.98
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	147.22	2.1	18.480	0.016	AB

Aperture details

RA, DEC (J2000) = 3h06m25.19s, 1d28m14.68s
semi major axis, semi minor axis (arcsec) = 12.09, 3.86
angle (degrees, anti-clockwise from east) = -57.97

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	9.66	0.76	21.437	0.086	AB
GALEX_NUV	22.17	0.67	20.536	0.033	AB
SDSS_u	198.94	6.16	18.153	0.034	AB
SDSS_g	772.58	7.46	16.680	0.010	AB
DES_g	655.08	1.53	16.859	0.003	AB
PanSTARRS_g	837.62	1.68	16.592	0.002	AB
SDSS_r	1394.47	10.11	16.039	0.008	AB
PanSTARRS_r	1375.38	2.3	16.054	0.002	AB
DES_r	1045.72	3.04	16.351	0.003	AB
SDSS_i	1815.7	12.06	15.752	0.007	AB
PanSTARRS_i	1762.89	1.93	15.784	0.001	AB
PanSTARRS_z	2058.54	5.06	15.616	0.003	AB
DES_z	1433.73	6.81	16.009	0.005	AB
PanSTARRS_y	2375.13	12.21	15.461	0.006	AB
2MASS_J	2692.76	145.89	14.430	0.059	Vega
2MASS_H	3055.93	211.84	13.820	0.075	Vega
2MASS_K	2658.42	270.21	13.501	0.110	Vega
WISE_W1	1184.97	20.25	13.517	0.019	Vega
WISE_W2	738.95	25.24	13.389	0.037	Vega
WISE_W3	1401.89	118.33	10.859	0.092	Vega
WISE_W4	1233.54	636.8	9.552	0.560	Vega

Imaging data

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Spectral Energy Distribution

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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})\,	10.550	10.628	10.708
{\rm log}_{10}({\rm SFR})	0.773	0.955	1.129
{\rm log}_{10}({\rm sSFR})	-9.902	-9.686	-9.453
{\rm stellar\ age}	1.748	3.284	4.818

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.880	-0.717	-0.586
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.779	-0.639	-0.510

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.366	0.401	0.453
\delta	-0.984	-0.943	-0.871
\tau_1/\tau_2	0.162	0.405	0.734
Q_{PAH}	0.070	0.253	0.597
U_{min}	1.696	5.027	11.016
{\rm log}_{10}(\gamma_e)\,	-3.734	-3.358	-2.843

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.609	-3.992	-3.243
{\rm log}_{10}(\tau_{AGN})\,	1.064	1.560	1.950

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	1.056	1.153	1.266
0.03-0.10 Gyr	0.373	0.814	1.084
0.10-0.32 Gyr	0.649	1.066	1.355
0.32-1.05 Gyr	1.304	1.475	1.630
1.05-3.41 Gyr	0.289	0.869	1.149
3.41-11.07 Gyr	-0.695	0.313	0.675
11.07-12.30 Gyr	-0.986	0.199	0.824