2025afyy

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Information

Transient

Name: AT2025afyy
Right ascension: 23h58m17.81s
Declination: 13d38m20.26s
Discovery Date: Dec. 6, 2025, 8:20 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name:
Right ascension: 23h58m18.08s
Declination: 13d38m22.24s
Redshift: None
Photometric Redshift: 0.173

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	23.85
Transient MWEBV	processed	0.04
Host match	processed	5.77
Host information	processed	0.21
Host MWEBV	processed	0.04
Global aperture construction	processed	0.67
Global aperture photometry	processed	5.72
Validate global photometry	processed	13.79
Global host SED inference	processed	416.31
Local aperture photometry	processed	6.16
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) = 23h58m17.81s, 13d38m20.26s
semi major axis, semi minor axis (arcsec) = 0.68, 0.68
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) = 23h58m18.07s, 13d38m22.40s
semi major axis, semi minor axis (arcsec) = 3.68, 3.62
angle (degrees, anti-clockwise from east) = -73.94

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.69	0.55	22.483	0.160	AB
GALEX_NUV	4.89	0.5	22.177	0.112	AB
DES_g	51.1	0.48	19.629	0.010	AB
PanSTARRS_g	52.18	0.82	19.606	0.017	AB
PanSTARRS_r	101.75	1.1	18.881	0.012	AB
DES_r	114.26	0.96	18.755	0.009	AB
PanSTARRS_i	151.9	1.32	18.446	0.009	AB
PanSTARRS_z	188.97	2.53	18.209	0.015	AB
DES_z	199.68	3.4	18.149	0.018	AB
PanSTARRS_y	223.38	4.94	18.027	0.024	AB
2MASS_J	225.44	120.58	17.123	0.581	Vega
2MASS_H	215.24	183.69	16.700	0.927	Vega
2MASS_K	138.55	175.69	16.708	1.377	Vega
WISE_W1	133.85	10.17	15.884	0.083	Vega
WISE_W2	92.58	14.94	15.645	0.175	Vega
WISE_W3	179.53	68.62	13.091	0.415	Vega
WISE_W4	747.35	447.03	10.096	0.649	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})\,	10.390	10.439	10.520
{\rm log}_{10}({\rm SFR})	0.036	0.403	0.746
{\rm log}_{10}({\rm sSFR})	-10.420	-10.029	-9.657
{\rm stellar\ age}	6.218	6.829	8.795

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.026	-0.659	-0.389
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.601	-0.144	0.330

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.222	0.371	0.550
\delta	-0.610	-0.309	-0.056
\tau_1/\tau_2	0.679	1.045	1.440
Q_{PAH}	0.639	2.079	4.332
U_{min}	2.686	8.071	15.277
{\rm log}_{10}(\gamma_e)\,	-2.384	-1.344	-0.479

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.300	-3.137	-1.952
{\rm log}_{10}(\tau_{AGN})\,	1.030	1.536	1.943

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.057	-0.313	-0.004
0.03-0.10 Gyr	0.119	0.535	0.900
0.10-0.32 Gyr	-0.244	0.303	0.597
0.32-1.02 Gyr	-0.562	0.066	0.328
1.02-3.27 Gyr	-0.558	0.197	0.484
3.27-10.44 Gyr	0.366	0.633	0.738
10.44-11.60 Gyr	0.260	0.781	1.435