2025afyv

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Information

Transient

Name: AT2025afyv
Right ascension: 22h54m43.90s
Declination: 20d47m39.57s
Discovery Date: Dec. 7, 2025, 5:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.072

Host

Name:
Right ascension: 22h54m44.22s
Declination: 20d47m36.18s
Redshift: None
Photometric Redshift: 0.060

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	20.15
Transient MWEBV	processed	0.09
Host match	processed	6.49
Host information	processed	0.12
Host MWEBV	processed	0.16
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.63
Validate global photometry	processed	13.57
Global host SED inference	processed	1023.28
Local aperture photometry	processed	5.63
Validate local photometry	processed	0.03
Local host SED inference	processed	411.73

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) = 22h54m43.90s, 20d47m39.57s
semi major axis, semi minor axis (arcsec) = 1.73, 1.73
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	14.42	0.26	21.003	0.020	AB
PanSTARRS_g	16.38	0.42	20.864	0.028	AB
SDSS_r	30.49	1.65	20.190	0.059	AB
PanSTARRS_r	33.63	0.48	20.083	0.015	AB
DES_r	35.73	0.48	20.017	0.015	AB
PanSTARRS_i	50.64	0.61	19.639	0.013	AB
PanSTARRS_z	64.34	1.13	19.379	0.019	AB
DES_z	62.55	1.61	19.409	0.028	AB
PanSTARRS_y	89.67	2.9	19.018	0.035	AB

Aperture details

RA, DEC (J2000) = 22h54m44.21s, 20d47m36.40s
semi major axis, semi minor axis (arcsec) = 7.11, 6.04
angle (degrees, anti-clockwise from east) = -71.99

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.11	2.42	21.935	0.431	AB
GALEX_NUV	2.49	0.78	22.908	0.338	AB
DES_g	750.14	1.71	16.712	0.002	AB
PanSTARRS_g	744.74	1.69	16.720	0.002	AB
PanSTARRS_r	1642.34	1.95	15.861	0.001	AB
DES_r	1761.31	3.26	15.785	0.002	AB
PanSTARRS_i	2405.92	2.41	15.447	0.001	AB
PanSTARRS_z	3105.44	4.41	15.170	0.002	AB
DES_z	3397.26	11.55	15.072	0.004	AB
PanSTARRS_y	3895.34	11.01	14.924	0.003	AB
2MASS_J	4996.37	162.35	13.758	0.035	Vega
2MASS_H	6206.91	238.49	13.050	0.042	Vega
2MASS_K	5570.65	317.34	12.697	0.062	Vega
WISE_W1	2177.88	27.63	12.856	0.014	Vega
WISE_W2	1262.75	31.05	12.808	0.027	Vega
WISE_W3	312.6	87.79	12.489	0.305	Vega
WISE_W4	1078.18	526.04	9.698	0.530	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})\,	9.042	9.183	9.323
{\rm log}_{10}({\rm SFR})	-1.754	-1.249	-0.813
{\rm log}_{10}({\rm sSFR})	-10.962	-10.482	-9.921
{\rm stellar\ age}	5.546	7.245	8.955

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.461	-0.757	-0.159
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.363	-0.052	0.300

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.599	1.097	1.451
\delta	-0.340	-0.028	0.216
\tau_1/\tau_2	0.604	0.925	1.262
Q_{PAH}	0.941	2.957	5.407
U_{min}	2.891	7.704	13.833
{\rm log}_{10}(\gamma_e)\,	-2.962	-1.911	-0.792

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.050	-1.164	-0.252
{\rm log}_{10}(\tau_{AGN})\,	0.966	1.472	1.919

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.631	-1.100	-0.730
0.03-0.10 Gyr	-2.116	-1.396	-0.844
0.10-0.33 Gyr	-2.110	-1.350	-0.772
0.33-1.08 Gyr	-1.984	-1.167	-0.638
1.08-3.55 Gyr	-1.575	-0.869	-0.589
3.55-11.66 Gyr	-1.162	-0.723	-0.519
11.66-12.96 Gyr	-1.249	-0.638	0.014

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.785	10.929	10.953
{\rm log}_{10}({\rm SFR})	-8.292	-4.362	-2.199
{\rm log}_{10}({\rm sSFR})	-19.203	-15.206	-12.945
{\rm stellar\ age}	7.625	12.225	12.308

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.794	-0.639	-0.508
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.437	-0.714	0.063

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.105	0.221	0.376
\delta	-0.957	-0.838	-0.610
\tau_1/\tau_2	0.438	0.934	1.432
Q_{PAH}	0.296	1.058	2.931
U_{min}	3.709	10.981	18.786
{\rm log}_{10}(\gamma_e)\,	-2.639	-1.110	-0.399

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.406	-3.587	-2.689
{\rm log}_{10}(\tau_{AGN})\,	1.071	1.566	1.947

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-9.381	-4.951	-2.330
0.03-0.10 Gyr	-9.074	-5.056	-2.293
0.10-0.33 Gyr	-8.928	-5.295	-2.319
0.33-1.08 Gyr	-7.726	-4.524	-1.718
1.08-3.55 Gyr	-5.020	-2.953	-0.414
3.55-11.66 Gyr	-2.209	-0.695	1.059
11.66-12.96 Gyr	0.406	2.061	2.094