2025afyz

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Information

Transient

Name: AT2025afyz
Right ascension: 21h28m12.73s
Declination: 5d50m30.76s
Discovery Date: Dec. 6, 2025, 7:34 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.066

Host

Name:
Right ascension: 21h28m12.85s
Declination: 5d50m32.39s
Redshift: None
Photometric Redshift: 0.071

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	24.57
Transient MWEBV	processed	0.1
Host match	processed	5.77
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.96
Validate global photometry	processed	15.99
Global host SED inference	time limit exceeded	7191.6
Local aperture photometry	processed	6.74
Validate local photometry	processed	0.03
Local host SED inference	processed	482.29

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) = 21h28m12.73s, 5d50m30.76s
semi major axis, semi minor axis (arcsec) = 1.48, 1.48
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_g	44.99	1.78	19.767	0.043	AB
DES_g	45.95	0.31	19.744	0.007	AB
PanSTARRS_g	47.99	0.32	19.697	0.007	AB
SDSS_r	83.18	2.45	19.100	0.032	AB
PanSTARRS_r	85.37	0.4	19.072	0.005	AB
DES_r	94.16	0.66	18.965	0.008	AB
SDSS_i	127.88	3.12	18.633	0.026	AB
PanSTARRS_i	119.01	0.45	18.711	0.004	AB
PanSTARRS_z	141.23	1.0	18.525	0.008	AB
SDSS_z	170.26	6.64	18.322	0.042	AB
DES_z	157.99	2.22	18.403	0.015	AB
PanSTARRS_y	167.07	2.12	18.343	0.014	AB

Aperture details

RA, DEC (J2000) = 21h28m12.84s, 5d50m32.83s
semi major axis, semi minor axis (arcsec) = 19.61, 8.76
angle (degrees, anti-clockwise from east) = -160.03

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	58.44	5.62	19.483	0.104	AB
GALEX_NUV	456.67	9.24	17.251	0.022	AB
SDSS_g	6496.12	21.21	14.368	0.004	AB
DES_g	1281.61	1.75	16.131	0.001	AB
SDSS_i	5527.75	21.48	14.544	0.004	AB
PanSTARRS_z	23621.04	9.18	12.967	0.000	AB
PanSTARRS_y	25659.21	18.88	12.877	0.001	AB
2MASS_J	21935.09	323.72	12.152	0.016	Vega
2MASS_K	13128.12	562.17	11.767	0.046	Vega
WISE_W1	5380.84	46.06	11.874	0.009	Vega
WISE_W2	2884.71	54.8	11.911	0.021	Vega
WISE_W3	2520.53	158.62	10.222	0.068	Vega
WISE_W4	2691.23	805.61	8.705	0.325	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})\,	9.379	9.508	9.628
{\rm log}_{10}({\rm SFR})	-1.736	-1.123	-0.547
{\rm log}_{10}({\rm sSFR})	-11.259	-10.650	-9.999
{\rm stellar\ age}	4.890	7.032	8.437

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.419	-0.863	-0.451
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.645	-0.139	0.317

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.165	0.489	0.877
\delta	-0.700	-0.313	0.124
\tau_1/\tau_2	0.679	1.012	1.348
Q_{PAH}	1.038	2.985	5.396
U_{min}	2.938	7.843	14.718
{\rm log}_{10}(\gamma_e)\,	-3.081	-2.014	-0.731

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.299	-0.894	-0.224
{\rm log}_{10}(\tau_{AGN})\,	0.969	1.408	1.880

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.715	-1.199	-0.745
0.03-0.10 Gyr	-2.009	-1.148	-0.474
0.10-0.33 Gyr	-1.847	-0.932	-0.239
0.33-1.07 Gyr	-1.595	-0.805	-0.233
1.07-3.52 Gyr	-1.296	-0.573	-0.254
3.52-11.53 Gyr	-0.843	-0.383	-0.193
11.53-12.82 Gyr	-1.037	-0.369	0.213

Global parameter details

Documentation

Data not available