2025skp

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Information

Transient

Name: AT2025skp
Right ascension: 20h40m30.16s
Declination: 2d48m32.64s
Discovery Date: July 21, 2025, 6:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.082

Host

Name:
Right ascension: 20h40m30.20s
Declination: 2d48m33.12s
Redshift: None
Photometric Redshift: 0.134

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.35
Cutout download	processed	4.38
Global aperture construction	processed	2.48
Local aperture photometry	processed	7.3
Global aperture photometry	processed	6.69
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	18.09
Host information	processed	0.17
Global host SED inference	processed	479.09
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.12
Host MWEBV	processed	0.05
Processing status	blocked	N/A	N/A

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) = 20h40m30.16s, 2d48m32.64s
semi major axis, semi minor axis (arcsec) = 0.84, 0.84
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) = 20h40m30.20s, 2d48m33.34s
semi major axis, semi minor axis (arcsec) = 4.8, 3.33
angle (degrees, anti-clockwise from east) = -6.46

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	7.63	2.63	21.694	0.374	AB
GALEX_NUV	1.88	0.45	23.216	0.263	AB
SDSS_u	5.44	3.54	22.061	0.707	AB
SDSS_g	14.11	1.92	21.026	0.148	AB
DES_g	20.57	0.39	20.617	0.020	AB
PanSTARRS_g	18.65	0.86	20.723	0.050	AB
SDSS_r	24.69	2.31	20.419	0.102	AB
PanSTARRS_r	26.79	1.03	20.330	0.042	AB
DES_r	32.78	0.64	20.111	0.021	AB
SDSS_i	38.32	3.96	19.941	0.112	AB
PanSTARRS_i	36.67	0.96	19.989	0.029	AB
PanSTARRS_z	39.77	2.73	19.901	0.075	AB
SDSS_z	4.74	11.61	22.211	2.661	AB
DES_z	42.44	1.81	19.830	0.046	AB
PanSTARRS_y	33.22	9.4	20.096	0.307	AB
2MASS_J	-6.63	121.88			Vega
2MASS_H	167.54	194.99	16.972	1.264	Vega
2MASS_K	300.06	188.2	15.869	0.681	Vega
WISE_W1	12.45	13.85	18.463	1.208	Vega
WISE_W2	0.07	15.1	23.512	248.455	Vega
WISE_W3	110.5	66.6	13.618	0.654	Vega
WISE_W4	-464.37	487.63			Vega

Imaging data

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})\,	8.986	9.204	9.367
{\rm log}_{10}({\rm SFR})	-1.250	-0.548	0.067
{\rm log}_{10}({\rm sSFR})	-10.516	-9.756	-9.045
{\rm stellar\ age}	0.416	1.979	5.082

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.758	-1.286	-0.433
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.646	-0.343	0.293

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.244	0.528	0.885
\delta	-0.595	-0.169	0.120
\tau_1/\tau_2	0.655	1.062	1.487
Q_{PAH}	1.627	3.850	5.678
U_{min}	3.240	9.318	17.451
{\rm log}_{10}(\gamma_e)\,	-2.844	-1.730	-0.645

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.436	-1.257	-0.277
{\rm log}_{10}(\tau_{AGN})\,	1.013	1.497	1.938

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.343	-0.672	-0.272
0.03-0.10 Gyr	-2.069	-0.558	0.177
0.10-0.32 Gyr	-0.644	0.119	0.646
0.32-1.04 Gyr	-1.490	-0.187	0.301
1.04-3.36 Gyr	-3.697	-1.154	-0.420
3.36-10.84 Gyr	-4.604	-1.626	-0.673
10.84-12.04 Gyr	-4.750	-1.618	-0.591