2025bgn results

2025bgn results

Information

Transient

Name:	`AT2025bgn`
Right ascension:	`1h08m52.56s`
Declination:	`-0d45m38.93s`
Discovery Date:	`Jan. 4, 2025, 1:20 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.037`

Host

Name:	`2025bgn`
Right ascension:	`1h08m52.98s`
Declination:	`-0d45m39.46s`
Redshift:	`0.111246`
Photometric Redshift:	`0.108`

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: blocked

Task Name	Status	Time (s)
Cutout download	processed	17.31
Transient MWEBV	processed	0.05
Host match	processed	1.62
Host information	processed	0.09
Host MWEBV	processed	0.05
Global aperture construction	processed	0.59
Global aperture photometry	processed	5.24
Validate global photometry	processed	14.82
Global host SED inference	processed	439.89
Local aperture photometry	processed	5.34
Validate local photometry	processed	0.02
Local host SED inference	not enough filters	17.06

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	1h08m52.56s, -0d45m38.93s
semi major axis, semi minor axis (arcsec):	0.99, 0.99
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	8.24	0.3	21.610	0.039	AB

Aperture details

RA, DEC (J2000):	1h08m52.97s, -0d45m39.81s
semi major axis, semi minor axis (arcsec):	18.2, 7.93
angle (degrees, anti-clockwise from east):	-131.2

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	40.39	1.54	19.884	0.042	AB
GALEX_NUV	61.57	0.78	19.427	0.014	AB
SDSS_u	120.0	9.97	18.702	0.090	AB
SDSS_g	403.36	6.21	17.386	0.017	AB
PanSTARRS_g	399.0	2.84	17.398	0.008	AB
SDSS_r	707.15	9.4	16.776	0.014	AB
PanSTARRS_r	544.2	3.5	17.061	0.007	AB
SDSS_i	861.24	13.6	16.562	0.017	AB
PanSTARRS_i	888.55	3.49	16.528	0.004	AB
SDSS_z	1305.06	38.8	16.111	0.032	AB
DES_z	1051.07	3.4	16.346	0.004	AB
PanSTARRS_y	1372.89	21.81	16.056	0.017	AB
2MASS_J	1770.4	285.52	14.885	0.175	Vega
2MASS_H	1644.1	435.84	14.493	0.288	Vega
2MASS_K	1237.76	485.09	14.331	0.426	Vega
WISE_W1	741.18	23.45	14.026	0.034	Vega
WISE_W2	526.63	31.48	13.757	0.065	Vega
WISE_W3	1497.01	216.02	10.788	0.157	Vega
WISE_W4	97.82	920.79	12.304	10.220	Vega

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})\,	10.661	10.708	10.764
{\rm log}_{10}({\rm SFR})	0.892	1.075	1.243
{\rm log}_{10}({\rm sSFR})	-9.817	-9.639	-9.454
{\rm stellar\ age}	6.701	7.370	9.103

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.269	-0.170	-0.074
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.034	0.147	0.256

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.117	0.156	0.227
\delta	-0.910	-0.748	-0.524
\tau_1/\tau_2	0.946	1.254	1.612
Q_{PAH}	0.238	0.761	1.924
U_{min}	2.198	6.611	13.106
{\rm log}_{10}(\gamma_e)\,	-3.028	-1.857	-1.110

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.520	-3.667	-2.641
{\rm log}_{10}(\tau_{AGN})\,	1.136	1.616	1.957

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.274	0.442	0.586
0.03-0.10 Gyr	1.012	1.211	1.387
0.10-0.32 Gyr	0.323	0.696	0.932
0.32-1.05 Gyr	-0.216	0.251	0.514
1.05-3.42 Gyr	-0.085	0.359	0.634
3.42-11.09 Gyr	0.620	0.862	0.958
11.09-12.32 Gyr	0.569	1.081	1.633