2025aiyx

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Information

Transient

Name: AT2025aiyx
Right ascension: 23h52m17.06s
Declination: 33d22m43.20s
Discovery Date: Oct. 16, 2025, 5:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.049

Host

Name:
Right ascension: 23h52m17.32s
Declination: 33d22m46.95s
Redshift: None
Photometric Redshift: 0.084

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	20.58
Transient MWEBV	processed	0.04
Host match	processed	4.38
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	4.98
Validate global photometry	processed	15.33
Global host SED inference	processed	461.96
Local aperture photometry	processed	5.86
Validate local photometry	processed	0.03
Local host SED inference	processed	437.71

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) = 23h52m17.06s, 33d22m43.20s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
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	7.21	0.38	21.755	0.057	AB
PanSTARRS_r	11.62	0.35	21.237	0.033	AB
DES_r	13.44	0.35	21.079	0.028	AB
SDSS_i	18.64	1.47	20.724	0.086	AB
PanSTARRS_i	16.96	0.43	20.826	0.028	AB
PanSTARRS_z	21.33	0.87	20.578	0.044	AB
DES_z	22.33	1.31	20.528	0.064	AB
PanSTARRS_y	23.71	2.49	20.463	0.114	AB

Aperture details

RA, DEC (J2000) = 23h52m17.31s, 33d22m47.17s
semi major axis, semi minor axis (arcsec) = 8.9, 8.23
angle (degrees, anti-clockwise from east) = -38.71

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	23.54	3.52	20.471	0.163	AB
GALEX_NUV	19.3	0.97	20.686	0.055	AB
SDSS_u	129.23	9.0	18.622	0.076	AB
SDSS_g	352.35	5.31	17.533	0.016	AB
PanSTARRS_g	374.35	1.98	17.467	0.006	AB
SDSS_r	737.91	8.01	16.730	0.012	AB
PanSTARRS_r	748.59	2.38	16.714	0.003	AB
SDSS_i	1064.19	10.68	16.332	0.011	AB
PanSTARRS_i	1069.3	2.92	16.327	0.003	AB
PanSTARRS_z	1341.41	5.83	16.081	0.005	AB
SDSS_z	1324.4	24.92	16.095	0.020	AB
PanSTARRS_y	1659.12	16.52	15.850	0.011	AB
2MASS_J	2074.88	292.84	14.713	0.153	Vega
2MASS_H	2573.66	414.45	14.006	0.175	Vega
2MASS_K	1897.09	404.28	13.867	0.231	Vega
WISE_W1	940.01	21.87	13.768	0.025	Vega
WISE_W2	544.21	25.98	13.722	0.052	Vega
WISE_W3	548.24	96.8	11.879	0.192	Vega
WISE_W4	537.37	442.32	10.454	0.894	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})\,	8.640	8.802	8.943
{\rm log}_{10}({\rm SFR})	-2.208	-1.489	-0.843
{\rm log}_{10}({\rm sSFR})	-11.048	-10.335	-9.588
{\rm stellar\ age}	2.806	6.118	7.403

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.507	-0.696	-0.152
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.515	-0.734	0.032

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.321	0.745	1.244
\delta	-0.277	0.029	0.252
\tau_1/\tau_2	0.694	1.054	1.427
Q_{PAH}	0.934	2.512	4.852
U_{min}	3.292	8.227	15.598
{\rm log}_{10}(\gamma_e)\,	-2.925	-1.710	-0.586

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.161	-0.108	0.268
{\rm log}_{10}(\tau_{AGN})\,	1.150	1.592	1.958

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.898	-1.712	-1.136
0.03-0.10 Gyr	-2.339	-1.486	-0.759
0.10-0.33 Gyr	-2.085	-1.342	-0.729
0.33-1.07 Gyr	-1.887	-1.160	-0.639
1.07-3.49 Gyr	-1.864	-1.122	-0.837
3.49-11.39 Gyr	-2.162	-1.151	-0.926
11.39-12.65 Gyr	-2.299	-1.208	-0.663

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.675	10.735	10.818
{\rm log}_{10}({\rm SFR})	-0.538	-0.237	0.090
{\rm log}_{10}({\rm sSFR})	-11.285	-10.985	-10.695
{\rm stellar\ age}	7.828	9.694	11.836

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.635	-0.482	-0.380
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.105	0.312	0.433

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.051	0.100	0.192
\delta	-0.781	-0.367	0.094
\tau_1/\tau_2	0.555	0.988	1.409
Q_{PAH}	0.502	1.771	3.798
U_{min}	2.599	7.911	15.171
{\rm log}_{10}(\gamma_e)\,	-2.226	-1.125	-0.405

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.475	-3.521	-2.517
{\rm log}_{10}(\tau_{AGN})\,	1.151	1.640	1.980

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.775	-0.376	-0.179
0.03-0.10 Gyr	-0.639	-0.194	0.207
0.10-0.33 Gyr	-1.314	-0.432	-0.026
0.33-1.07 Gyr	-2.447	-0.772	-0.291
1.07-3.49 Gyr	-2.264	-0.649	-0.029
3.49-11.39 Gyr	-0.550	0.746	0.960
11.39-12.65 Gyr	0.856	1.591	1.951