2025fbj results

2025fbj results

Information

Transient

Name:	`AT2025fbj`
Right ascension:	`13h46m38.64s`
Declination:	`60d02m57.48s`
Discovery Date:	`March 21, 2025, 3:02 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.013`

Host

Name:	`2025fbj`
Right ascension:	`13h46m38.35s`
Declination:	`60d03m01.44s`
Redshift:	`0.021404`
Photometric Redshift:	`0.029`

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_g DES_r DES_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	13.89
Transient MWEBV	processed	0.1
Host match	processed	0.92
Host information	processed	0.09
Host MWEBV	processed	0.06
Global aperture construction	processed	0.62
Global aperture photometry	processed	4.46
Validate global photometry	processed	14.13
Global host SED inference	processed	431.86
Local aperture photometry	processed	4.69
Validate local photometry	processed	0.02
Local host SED inference	processed	679.57

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	13h46m38.64s, 60d02m57.48s
semi major axis, semi minor axis (arcsec):	4.62, 4.62
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	91.68	2.59	18.994	0.031	AB
SDSS_u	237.91	4.92	17.959	0.022	AB
SDSS_g	472.21	5.76	17.215	0.013	AB
PanSTARRS_g	464.36	1.37	17.233	0.003	AB
SDSS_r	613.35	6.73	16.931	0.012	AB
PanSTARRS_r	600.16	1.47	16.954	0.003	AB
SDSS_i	691.65	7.51	16.800	0.012	AB
PanSTARRS_i	645.45	1.52	16.875	0.003	AB
PanSTARRS_z	727.66	3.23	16.745	0.005	AB
SDSS_z	804.03	15.4	16.637	0.021	AB
PanSTARRS_y	778.72	7.09	16.672	0.010	AB
2MASS_J	892.83	106.67	15.628	0.130	Vega
2MASS_H	757.37	170.22	15.334	0.244	Vega
2MASS_K	862.79	178.74	14.722	0.225	Vega

Aperture details

RA, DEC (J2000):	13h46m38.39s, 60d03m00.58s
semi major axis, semi minor axis (arcsec):	18.32, 5.63
angle (degrees, anti-clockwise from east):	-23.24

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	172.56	3.62	18.308	0.023	AB
GALEX_NUV	231.91	2.42	17.987	0.011	AB
SDSS_u	477.3	8.72	17.203	0.020	AB
SDSS_g	963.58	8.49	16.440	0.010	AB
PanSTARRS_g	974.6	2.87	16.428	0.003	AB
SDSS_r	1319.06	10.43	16.099	0.009	AB
PanSTARRS_r	1300.52	3.1	16.115	0.003	AB
SDSS_i	1511.83	12.27	15.951	0.009	AB
PanSTARRS_i	1455.68	3.2	15.992	0.002	AB
PanSTARRS_z	1624.67	6.79	15.873	0.005	AB
SDSS_z	1836.16	31.81	15.740	0.019	AB
PanSTARRS_y	1814.98	15.01	15.753	0.009	AB
2MASS_J	1931.94	276.0	14.790	0.155	Vega
2MASS_H	2110.0	437.35	14.222	0.225	Vega
2MASS_K	1428.38	463.43	14.175	0.352	Vega
WISE_W1	989.31	23.93	13.713	0.026	Vega
WISE_W2	574.81	27.17	13.662	0.051	Vega
WISE_W3	1689.67	124.93	10.656	0.080	Vega
WISE_W4	2456.86	613.13	8.804	0.271	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.358	8.783	9.031
{\rm log}_{10}({\rm SFR})	-0.189	0.200	0.584
{\rm log}_{10}({\rm sSFR})	-9.100	-8.513	-7.923
{\rm stellar\ age}	0.085	3.165	7.591

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.678	-1.227	-0.532
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.860	-1.231	0.281

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.224	0.728	1.228
\delta	-0.514	-0.043	0.110
\tau_1/\tau_2	0.543	1.033	1.529
Q_{PAH}	0.521	1.660	3.272
U_{min}	3.529	9.846	18.466
{\rm log}_{10}(\gamma_e)\,	-3.631	-2.796	-1.465

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.388	-2.996	-0.655
{\rm log}_{10}(\tau_{AGN})\,	0.903	1.344	1.900

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.871	-1.121	-0.626
0.03-0.10 Gyr	-0.039	0.357	0.741
0.10-0.33 Gyr	-3.168	-1.308	-0.136
0.33-1.10 Gyr	-5.102	-2.381	-0.998
1.10-3.65 Gyr	-6.081	-2.423	-1.016
3.65-12.12 Gyr	-6.802	-2.388	-1.038
12.12-13.47 Gyr	-7.179	-2.168	-0.548

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.709	8.998	9.174
{\rm log}_{10}({\rm SFR})	-0.076	0.143	0.419
{\rm log}_{10}({\rm sSFR})	-9.221	-8.865	-8.329
{\rm stellar\ age}	1.558	5.175	7.230

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.639	-0.375	-0.218
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.533	0.072	0.398

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.148	0.245	0.386
\delta	-0.743	-0.476	-0.252
\tau_1/\tau_2	0.523	0.904	1.302
Q_{PAH}	0.356	0.958	2.064
U_{min}	2.794	7.534	14.381
{\rm log}_{10}(\gamma_e)\,	-3.614	-2.953	-2.086

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.059	-2.969	-2.239
{\rm log}_{10}(\tau_{AGN})\,	0.890	1.245	1.784

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.794	-0.973	-0.698
0.03-0.10 Gyr	0.066	0.295	0.576
0.10-0.33 Gyr	-1.950	-0.568	-0.065
0.33-1.10 Gyr	-2.489	-1.004	-0.579
1.10-3.65 Gyr	-2.630	-1.046	-0.720
3.65-12.12 Gyr	-2.859	-1.180	-0.791
12.12-13.47 Gyr	-2.955	-1.164	-0.516