2025aiyd

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Information

Transient

Name: AT2025aiyd
Right ascension: 1h46m58.94s
Declination: 24d28m53.19s
Discovery Date: Sept. 17, 2025, 10:36 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.095

Host

Name:
Right ascension: 1h46m59.00s
Declination: 24d28m54.37s
Redshift: None
Photometric Redshift: 0.124

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	15.66
Transient MWEBV	processed	0.04
Host match	processed	5.0
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.75
Validate global photometry	processed	20.26
Global host SED inference	processed	441.2
Local aperture photometry	processed	4.94
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) = 1h46m58.94s, 24d28m53.19s
semi major axis, semi minor axis (arcsec) = 0.9, 0.9
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) = 1h46m58.98s, 24d28m54.58s
semi major axis, semi minor axis (arcsec) = 5.87, 4.38
angle (degrees, anti-clockwise from east) = -69.21

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.49	1.58	22.268	0.382	AB
GALEX_NUV	11.22	1.77	21.275	0.172	AB
SDSS_u	27.83	4.01	20.289	0.157	AB
SDSS_g	80.93	2.64	19.130	0.035	AB
PanSTARRS_g	88.12	1.43	19.037	0.018	AB
SDSS_r	167.51	3.84	18.340	0.025	AB
PanSTARRS_r	155.69	1.54	18.419	0.011	AB
SDSS_i	233.24	5.16	17.981	0.024	AB
PanSTARRS_i	226.41	1.63	18.013	0.008	AB
PanSTARRS_z	270.8	3.45	17.818	0.014	AB
SDSS_z	274.33	12.89	17.804	0.051	AB
PanSTARRS_y	298.32	7.67	17.713	0.028	AB
2MASS_J	347.53	125.12	16.653	0.391	Vega
2MASS_H	355.34	193.28	16.156	0.591	Vega
2MASS_K	643.39	249.75	15.041	0.421	Vega
WISE_W1	173.46	9.78	15.603	0.061	Vega
WISE_W2	115.06	13.39	15.409	0.126	Vega
WISE_W3	267.42	58.15	12.658	0.236	Vega
WISE_W4	790.62	385.71	10.035	0.530	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})\,	10.195	10.262	10.350
{\rm log}_{10}({\rm SFR})	0.016	0.310	0.593
{\rm log}_{10}({\rm sSFR})	-10.258	-9.946	-9.674
{\rm stellar\ age}	6.495	7.331	9.570

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.055	-0.772	-0.581
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.576	-0.092	0.308

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.117	0.200	0.319
\delta	-0.803	-0.516	-0.168
\tau_1/\tau_2	0.738	1.136	1.545
Q_{PAH}	0.443	1.234	2.444
U_{min}	2.582	7.804	14.635
{\rm log}_{10}(\gamma_e)\,	-2.851	-1.996	-1.027

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.254	-3.099	-2.168
{\rm log}_{10}(\tau_{AGN})\,	0.951	1.387	1.858

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.509	-0.181	0.022
0.03-0.10 Gyr	0.080	0.423	0.731
0.10-0.32 Gyr	-0.385	0.196	0.507
0.32-1.05 Gyr	-0.996	-0.256	0.078
1.05-3.38 Gyr	-0.895	-0.114	0.243
3.38-10.94 Gyr	0.075	0.413	0.538
10.94-12.16 Gyr	0.045	0.642	1.289