2025afen

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Information

Transient

Name: AT2025afen
Right ascension: 21h01m17.27s
Declination: -6d24m18.88s
Discovery Date: Nov. 24, 2025, 2:08 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name:
Right ascension: 21h01m17.31s
Declination: -6d24m19.92s
Redshift: None
Photometric Redshift: 0.139

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.5
Transient MWEBV	processed	0.04
Host match	processed	6.08
Host information	processed	0.13
Host MWEBV	processed	0.1
Global aperture construction	processed	0.62
Global aperture photometry	processed	6.63
Validate global photometry	processed	15.65
Global host SED inference	processed	436.24
Local aperture photometry	processed	6.67
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) = 21h01m17.27s, -6d24m18.88s
semi major axis, semi minor axis (arcsec) = 0.81, 0.81
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) = 21h01m17.29s, -6d24m19.75s
semi major axis, semi minor axis (arcsec) = 3.92, 2.66
angle (degrees, anti-clockwise from east) = -86.06

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	11.27	2.53	21.270	0.244	AB
GALEX_NUV	14.32	1.03	21.010	0.078	AB
SDSS_u	37.98	3.53	19.951	0.101	AB
SDSS_g	61.65	2.32	19.425	0.041	AB
DES_g	61.74	0.43	19.424	0.008	AB
PanSTARRS_g	63.25	0.73	19.397	0.012	AB
SDSS_r	89.45	3.09	19.021	0.038	AB
PanSTARRS_r	90.09	1.02	19.013	0.012	AB
DES_r	91.12	0.95	19.001	0.011	AB
SDSS_i	117.52	4.23	18.725	0.039	AB
PanSTARRS_i	108.88	0.85	18.808	0.009	AB
PanSTARRS_z	112.26	2.45	18.774	0.024	AB
SDSS_z	134.96	16.41	18.574	0.132	AB
DES_z	112.94	1.69	18.768	0.016	AB
PanSTARRS_y	90.69	5.77	19.006	0.069	AB
WISE_W2	38.62	16.25	16.594	0.457	Vega
WISE_W3	21.01	71.92	15.420	3.716	Vega
WISE_W4	463.81	485.53	10.614	1.137	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})\,	9.359	9.683	9.823
{\rm log}_{10}({\rm SFR})	0.061	0.653	1.095
{\rm log}_{10}({\rm sSFR})	-9.643	-8.991	-8.367
{\rm stellar\ age}	0.831	3.862	5.888

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.728	-1.305	-0.654
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.440	-0.694	-0.048

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.190	0.481	0.878
\delta	-0.472	-0.057	0.187
\tau_1/\tau_2	0.468	0.891	1.318
Q_{PAH}	0.815	2.539	4.522
U_{min}	3.088	8.682	15.633
{\rm log}_{10}(\gamma_e)\,	-3.136	-1.920	-0.789

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.700	-1.996	-0.776
{\rm log}_{10}(\tau_{AGN})\,	0.953	1.335	1.786

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.451	-0.068	0.243
0.03-0.10 Gyr	0.137	0.789	1.243
0.10-0.32 Gyr	-0.345	0.518	0.909
0.32-1.04 Gyr	-1.562	-0.162	0.315
1.04-3.35 Gyr	-1.981	-0.381	0.049
3.35-10.78 Gyr	-2.320	-0.568	-0.127
10.78-11.98 Gyr	-2.473	-0.584	0.093