2025afyc

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Information

Transient

Name: AT2025afyc
Right ascension: 13h03m19.19s
Declination: 4d36m03.80s
Discovery Date: Nov. 30, 2025, 1:16 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.037

Host

Name: UGC08156
Right ascension: 13h03m19.02s
Declination: 4d35m52.15s
Redshift: 0.039215
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	8.26
Transient MWEBV	processed	0.04
Host match	processed	3.87
Host information	processed	0.11
Host MWEBV	processed	0.06
Global aperture construction	processed	0.68
Global aperture photometry	processed	5.6
Validate global photometry	processed	15.98
Global host SED inference	processed	409.75
Local aperture photometry	processed	5.85
Validate local photometry	processed	0.02
Local host SED inference	processed	429.45

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) = 13h03m19.19s, 4d36m03.80s
semi major axis, semi minor axis (arcsec) = 2.58, 2.58
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	63.7	0.49	19.390	0.008	AB
PanSTARRS_g	62.57	0.83	19.409	0.014	AB
PanSTARRS_r	79.3	0.91	19.152	0.012	AB
DES_r	87.96	0.9	19.039	0.011	AB
PanSTARRS_i	80.83	0.88	19.131	0.012	AB
PanSTARRS_z	86.1	1.48	19.063	0.019	AB
DES_z	103.89	2.61	18.859	0.027	AB
PanSTARRS_y	107.05	3.7	18.826	0.037	AB

Aperture details

RA, DEC (J2000) = 13h03m19.06s, 4d35m52.02s
semi major axis, semi minor axis (arcsec) = 24.15, 19.88
angle (degrees, anti-clockwise from east) = -165.63

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	348.83	4.14	17.543	0.013	AB
PanSTARRS_g	2922.69	7.05	15.236	0.003	AB
DES_r	4552.66	6.69	14.754	0.002	AB
DES_z	6165.97	20.3	14.425	0.004	AB
2MASS_H	8555.73	762.37	12.702	0.097	Vega
WISE_W1	3982.83	46.78	12.201	0.013	Vega
WISE_W2	2544.32	56.1	12.047	0.024	Vega
WISE_W3	12036.15	233.44	8.525	0.021	Vega
WISE_W4	14591.23	1813.49	6.870	0.135	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	8.050	8.421	8.661
{\rm log}_{10}({\rm SFR})	-1.160	-0.738	-0.359
{\rm log}_{10}({\rm sSFR})	-9.722	-9.180	-8.486
{\rm stellar\ age}	1.647	5.125	7.095

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.640	-0.881	-0.228
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.574	-1.220	-0.081

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.206	0.427	0.766
\delta	-0.672	-0.234	0.148
\tau_1/\tau_2	0.794	1.130	1.471
Q_{PAH}	0.543	1.845	3.982
U_{min}	2.895	7.834	14.431
{\rm log}_{10}(\gamma_e)\,	-3.207	-2.081	-0.912

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.723	-1.694	-0.639
{\rm log}_{10}(\tau_{AGN})\,	1.029	1.442	1.870

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.151	-0.827	-0.586
0.03-0.10 Gyr	-1.251	-0.718	-0.261
0.10-0.33 Gyr	-1.767	-1.078	-0.643
0.33-1.09 Gyr	-2.321	-1.423	-1.033
1.09-3.60 Gyr	-2.605	-1.591	-1.223
3.60-11.91 Gyr	-2.901	-1.709	-1.257
11.91-13.23 Gyr	-3.050	-1.761	-1.096

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.353	10.448	10.543
{\rm log}_{10}({\rm SFR})	0.213	0.557	0.920
{\rm log}_{10}({\rm sSFR})	-10.213	-9.900	-9.498
{\rm stellar\ age}	6.055	7.307	8.648

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.786	-0.528	-0.354
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.774	-1.132	0.070

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.114	0.195	0.353
\delta	-0.689	-0.333	0.047
\tau_1/\tau_2	0.636	1.008	1.396
Q_{PAH}	0.877	1.867	3.092
U_{min}	2.719	7.328	13.881
{\rm log}_{10}(\gamma_e)\,	-2.975	-2.152	-1.644

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.595	-2.349	-1.676
{\rm log}_{10}(\tau_{AGN})\,	1.108	1.631	1.978

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.223	0.436	0.615
0.03-0.10 Gyr	0.006	0.586	1.046
0.10-0.33 Gyr	-0.331	0.315	0.672
0.33-1.09 Gyr	-0.360	0.221	0.551
1.09-3.60 Gyr	-0.122	0.382	0.647
3.60-11.91 Gyr	0.288	0.546	0.700
11.91-13.23 Gyr	0.109	0.649	1.132