2025aefk

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Information

Transient

Name: AT2025aefk
Right ascension: 0h43m03.22s
Declination: 4d46m25.10s
Discovery Date: Nov. 19, 2025, 4:37 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name:
Right ascension: 0h43m03.07s
Declination: 4d46m25.63s
Redshift: None
Photometric Redshift: 0.107

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	14.54
Transient MWEBV	processed	0.1
Host match	processed	5.89
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.09
Validate global photometry	processed	14.73
Global host SED inference	processed	430.88
Local aperture photometry	processed	5.04
Validate local photometry	processed	0.03
Local host SED inference	processed	648.82

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) = 0h43m03.22s, 4d46m25.10s
semi major axis, semi minor axis (arcsec) = 1.02, 1.02
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_y	68.92	1.5	19.304	0.024	AB

Aperture details

RA, DEC (J2000) = 0h43m03.05s, 4d46m25.78s
semi major axis, semi minor axis (arcsec) = 8.32, 5.69
angle (degrees, anti-clockwise from east) = -58.73

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.54	0.69	22.040	0.135	AB
GALEX_NUV	13.0	0.72	21.115	0.060	AB
SDSS_g	348.03	5.24	17.546	0.016	AB
PanSTARRS_g	404.57	1.7	17.383	0.005	AB
SDSS_r	783.01	7.93	16.666	0.011	AB
PanSTARRS_r	760.88	1.49	16.697	0.002	AB
DES_r	844.56	1.36	16.583	0.002	AB
SDSS_i	1123.65	10.18	16.273	0.010	AB
PanSTARRS_i	1114.41	2.47	16.282	0.002	AB
PanSTARRS_z	1383.87	5.09	16.047	0.004	AB
SDSS_z	1598.55	21.47	15.891	0.015	AB
PanSTARRS_y	1662.94	10.01	15.848	0.007	AB
2MASS_J	2300.15	161.03	14.601	0.076	Vega
2MASS_H	2553.24	299.25	14.015	0.127	Vega
2MASS_K	2243.77	259.19	13.685	0.125	Vega
WISE_W1	1115.98	23.49	13.582	0.023	Vega
WISE_W2	740.9	30.99	13.387	0.045	Vega
WISE_W3	1602.08	180.97	10.714	0.123	Vega
WISE_W4	1492.76	750.95	9.345	0.546	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})\,	8.913	9.354	9.606
{\rm log}_{10}({\rm SFR})	-0.628	-0.119	0.369
{\rm log}_{10}({\rm sSFR})	-10.131	-9.424	-8.523
{\rm stellar\ age}	1.557	5.973	8.575

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.317	-0.505	0.016
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.153	-0.563	0.064

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.477	0.834	1.275
\delta	-0.719	-0.267	0.141
\tau_1/\tau_2	0.371	0.840	1.343
Q_{PAH}	0.698	2.448	5.228
U_{min}	2.982	8.287	15.822
{\rm log}_{10}(\gamma_e)\,	-3.289	-2.071	-0.502

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.698	-1.720	-0.427
{\rm log}_{10}(\tau_{AGN})\,	1.013	1.477	1.986

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.349	0.137	0.602
0.03-0.10 Gyr	-2.163	-0.646	0.208
0.10-0.32 Gyr	-3.263	-1.141	-0.159
0.32-1.06 Gyr	-3.563	-1.165	-0.251
1.06-3.43 Gyr	-3.241	-1.064	-0.418
3.43-11.13 Gyr	-2.650	-0.834	-0.290
11.13-12.37 Gyr	-2.505	-0.710	0.257

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.831	10.878	10.918
{\rm log}_{10}({\rm SFR})	-0.023	0.270	0.574
{\rm log}_{10}({\rm sSFR})	-10.905	-10.607	-10.285
{\rm stellar\ age}	6.644	7.259	8.208

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.560	-0.439	-0.345
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.480	-0.402	0.233

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.218	0.283	0.375
\delta	-0.942	-0.816	-0.618
\tau_1/\tau_2	0.681	1.020	1.388
Q_{PAH}	0.403	1.310	3.123
U_{min}	2.253	6.898	14.083
{\rm log}_{10}(\gamma_e)\,	-2.771	-1.663	-0.940

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.192	-3.060	-2.067
{\rm log}_{10}(\tau_{AGN})\,	1.095	1.566	1.933

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.268	0.065	0.256
0.03-0.10 Gyr	-0.048	0.331	0.701
0.10-0.32 Gyr	0.041	0.405	0.710
0.32-1.06 Gyr	0.113	0.430	0.676
1.06-3.43 Gyr	0.359	0.699	0.941
3.43-11.13 Gyr	0.912	1.061	1.148
11.13-12.37 Gyr	0.755	1.149	1.568