2025byh results

2025byh results

Information

Transient

Name:	`AT2025byh`
Right ascension:	`12h12m28.60s`
Declination:	`-5d43m07.28s`
Discovery Date:	`Feb. 18, 2025, 10:06 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.032`

Host

Name:	`2025byh`
Right ascension:	`12h12m28.89s`
Declination:	`-5d43m15.46s`
Redshift:	`0.067676`
Photometric Redshift:	`0.083`

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	0.5
Transient MWEBV	processed	0.04
Host match	processed	1.67
Host information	processed	0.09
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	4.2
Validate global photometry	processed	12.45
Global host SED inference	processed	401.01
Local aperture photometry	processed	4.05
Validate local photometry	processed	0.02
Local host SED inference	processed	402.28

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	12h12m28.60s, -5d43m07.28s
semi major axis, semi minor axis (arcsec):	1.54, 1.54
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	20.4	0.39	20.626	0.021	AB
PanSTARRS_r	30.53	0.73	20.188	0.026	AB
PanSTARRS_i	45.02	0.74	19.766	0.018	AB
PanSTARRS_z	49.56	0.98	19.662	0.022	AB
PanSTARRS_y	53.43	2.05	19.580	0.042	AB

Aperture details

RA, DEC (J2000):	12h12m28.86s, -5d43m14.97s
semi major axis, semi minor axis (arcsec):	19.93, 11.89
angle (degrees, anti-clockwise from east):	-26.1

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	94.07	8.63	18.966	0.100	AB
GALEX_NUV	144.72	6.84	18.499	0.051	AB
PanSTARRS_r	1752.98	7.28	15.791	0.005	AB
PanSTARRS_i	2454.9	7.3	15.425	0.003	AB
PanSTARRS_y	3220.67	20.35	15.130	0.007	AB
WISE_W1	2444.66	37.06	12.730	0.016	Vega
WISE_W4	4312.65	1236.46	8.193	0.311	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.776	8.964	9.100
{\rm log}_{10}({\rm SFR})	-1.429	-0.948	-0.399
{\rm log}_{10}({\rm sSFR})	-10.427	-9.947	-9.247
{\rm stellar\ age}	3.930	6.551	8.073

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.528	-0.994	-0.459
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.554	-0.807	0.025

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.351	0.692	1.082
\delta	-0.465	-0.151	0.204
\tau_1/\tau_2	0.681	1.057	1.440
Q_{PAH}	0.651	2.415	5.028
U_{min}	2.772	7.685	14.430
{\rm log}_{10}(\gamma_e)\,	-3.121	-1.995	-0.861

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.989	-0.927	-0.107
{\rm log}_{10}(\tau_{AGN})\,	1.048	1.443	1.934

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.381	-1.042	-0.727
0.03-0.10 Gyr	-1.574	-0.929	-0.295
0.10-0.33 Gyr	-1.780	-1.128	-0.561
0.33-1.08 Gyr	-1.898	-1.169	-0.673
1.08-3.53 Gyr	-1.701	-1.058	-0.752
3.53-11.57 Gyr	-1.606	-0.982	-0.753
11.57-12.86 Gyr	-1.746	-0.963	-0.397

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.624	10.715	10.802
{\rm log}_{10}({\rm SFR})	0.315	0.592	0.923
{\rm log}_{10}({\rm sSFR})	-10.409	-10.120	-9.776
{\rm stellar\ age}	5.889	7.264	8.818

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.596	-0.361	-0.149
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.605	-1.145	0.178

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.152	0.301	0.504
\delta	-0.508	-0.030	0.234
\tau_1/\tau_2	0.667	1.059	1.439
Q_{PAH}	0.568	1.442	2.942
U_{min}	2.171	6.393	13.442
{\rm log}_{10}(\gamma_e)\,	-3.400	-2.631	-1.759

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.693	-1.985	-1.522
{\rm log}_{10}(\tau_{AGN})\,	0.891	1.199	1.690

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.005	0.417	0.612
0.03-0.10 Gyr	0.217	0.652	1.054
0.10-0.33 Gyr	0.087	0.580	0.990
0.33-1.08 Gyr	-0.047	0.437	0.861
1.08-3.53 Gyr	0.091	0.606	0.901
3.53-11.57 Gyr	0.545	0.817	0.962
11.57-12.86 Gyr	0.419	0.946	1.501