2025ay results

2025ay results

Information

Transient

Name:	`AT2025ay`
Right ascension:	`9h37m12.47s`
Declination:	`38d05m37.98s`
Discovery Date:	`Jan. 4, 2025, 6:12 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.013`

Host

Name:	`2025ay`
Right ascension:	`9h37m12.65s`
Declination:	`38d05m32.28s`
Redshift:	`0.020050`
Photometric Redshift:	`0.026`

Cutout Download Report

Downloaded	Unavailable
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_z	DES_g DES_r DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	19.81
Transient MWEBV	processed	0.08
Host match	processed	1.13
Host information	processed	0.11
Host MWEBV	processed	0.08
Global aperture construction	processed	0.86
Global aperture photometry	processed	7.06
Validate global photometry	processed	21.65
Global host SED inference	processed	758.05
Local aperture photometry	processed	6.75
Validate local photometry	processed	0.03
Local host SED inference	processed	783.76

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	9h37m12.47s, 38d05m37.98s
semi major axis, semi minor axis (arcsec):	4.92, 4.92
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.22	1.28	22.629	0.430	AB
SDSS_u	431.12	6.0	17.314	0.015	AB
SDSS_g	1825.27	11.17	15.747	0.007	AB
PanSTARRS_g	2138.06	1.69	15.575	0.001	AB
SDSS_r	3403.89	15.28	15.070	0.005	AB
PanSTARRS_r	3959.2	2.0	14.906	0.001	AB
SDSS_i	4695.28	18.15	14.721	0.004	AB
PanSTARRS_i	5344.03	1.62	14.580	0.000	AB
PanSTARRS_z	6334.31	4.1	14.396	0.001	AB
SDSS_z	5858.14	23.24	14.481	0.004	AB
DES_z	5307.1	12.7	14.588	0.003	AB
PanSTARRS_y	7550.07	9.97	14.205	0.001	AB
2MASS_J	8142.67	107.22	13.228	0.014	Vega
2MASS_H	10042.87	161.09	12.528	0.017	Vega
2MASS_K	8049.43	173.47	12.298	0.023	Vega

Aperture details

RA, DEC (J2000):	9h37m12.63s, 38d05m32.75s
semi major axis, semi minor axis (arcsec):	13.37, 11.05
angle (degrees, anti-clockwise from east):	-172.61

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	24.5	3.52	20.427	0.156	AB
GALEX_NUV	100.48	3.87	18.895	0.042	AB
SDSS_u	1619.66	12.42	15.876	0.008	AB
SDSS_g	7263.76	22.38	14.247	0.003	AB
PanSTARRS_g	7523.97	3.93	14.209	0.001	AB
SDSS_r	13806.19	30.92	13.550	0.002	AB
PanSTARRS_r	14040.14	4.55	13.532	0.000	AB
SDSS_i	19000.34	36.88	13.203	0.002	AB
PanSTARRS_i	19116.68	3.62	13.196	0.000	AB
PanSTARRS_z	22614.3	9.58	13.014	0.000	AB
SDSS_z	23579.38	49.7	12.969	0.002	AB
DES_z	18728.15	23.94	13.219	0.001	AB
PanSTARRS_y	27006.72	23.79	12.821	0.001	AB
2MASS_H	40162.76	442.6	11.023	0.012	Vega
WISE_W1	16345.33	79.32	10.668	0.005	Vega
WISE_W2	9219.31	80.79	10.649	0.010	Vega
WISE_W3	3424.21	181.62	9.890	0.058	Vega
WISE_W4	2002.87	1020.87	9.026	0.553	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.995	10.080	10.196
{\rm log}_{10}({\rm SFR})	-2.432	-1.309	-0.541
{\rm log}_{10}({\rm sSFR})	-12.516	-11.443	-10.626
{\rm stellar\ age}	7.115	8.350	11.559

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.705	-1.189	-0.847
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.582	-0.735	0.056

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.262	0.551	0.818
\delta	-0.662	-0.389	0.110
\tau_1/\tau_2	0.582	0.951	1.344
Q_{PAH}	0.320	2.302	5.091
U_{min}	2.921	7.994	15.328
{\rm log}_{10}(\gamma_e)\,	-3.404	-2.015	-0.646

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.623	-1.409	-0.394
{\rm log}_{10}(\tau_{AGN})\,	0.940	1.328	1.967

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.496	-1.261	-0.530
0.03-0.10 Gyr	-3.281	-1.507	-0.526
0.10-0.33 Gyr	-3.076	-1.373	-0.444
0.33-1.10 Gyr	-2.665	-1.110	-0.288
1.10-3.66 Gyr	-1.949	-0.433	0.183
3.66-12.14 Gyr	-0.483	0.162	0.335
12.14-13.49 Gyr	-0.257	0.465	1.196

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.531	10.614	10.687
{\rm log}_{10}({\rm SFR})	-3.264	-2.365	-1.855
{\rm log}_{10}({\rm sSFR})	-13.846	-12.963	-12.448
{\rm stellar\ age}	7.117	8.044	10.347

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.571	-0.352	-0.204
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.770	-0.957	0.123

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.045	0.098	0.196
\delta	-0.399	0.038	0.295
\tau_1/\tau_2	0.288	0.685	1.136
Q_{PAH}	0.401	1.150	2.963
U_{min}	2.437	7.523	15.093
{\rm log}_{10}(\gamma_e)\,	-3.537	-2.853	-2.063

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.001	-2.887	-2.160
{\rm log}_{10}(\tau_{AGN})\,	0.831	1.043	1.468

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.450	-2.275	-1.766
0.03-0.10 Gyr	-4.353	-2.613	-1.902
0.10-0.33 Gyr	-4.335	-2.494	-1.653
0.33-1.10 Gyr	-3.453	-1.745	-0.740
1.10-3.66 Gyr	-1.786	0.177	0.772
3.66-12.14 Gyr	0.218	0.743	0.906
12.14-13.49 Gyr	-0.136	0.774	1.568