2025bu

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Information

Transient

Name: AT2025bu
Right ascension: 3h22m09.37s
Declination: -18d52m24.34s
Discovery Date: Jan. 3, 2025, 1:18 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name: 2025bu
Right ascension: 3h22m09.09s
Declination: -18d52m25.41s
Redshift: None
Photometric Redshift: 0.190

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.38
Cutout download	processed	9.99
Global aperture construction	processed	0.81
Local aperture photometry	processed	6.01
Global aperture photometry	processed	6.14
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	16.17
Host information	processed	0.1
Global host SED inference	processed	735.78
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.07
Host MWEBV	processed	0.06
Log transient processing status	blocked	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) = 3h22m09.37s, -18d52m24.34s
semi major axis, semi minor axis (arcsec) = 0.63, 0.63
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys

Aperture details

RA, DEC (J2000) = 3h22m09.09s, -18d52m25.12s
semi major axis, semi minor axis (arcsec) = 10.86, 4.29
angle (degrees, anti-clockwise from east) = -102.63

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
DES_g	206.59	0.46	18.112	0.002	AB
PanSTARRS_g	202.61	1.94	18.133	0.010	AB
PanSTARRS_r	236.01	2.16	17.968	0.010	AB
DES_r	281.23	0.61	17.777	0.002	AB
PanSTARRS_i	291.44	2.33	17.739	0.009	AB
PanSTARRS_z	322.86	4.78	17.627	0.016	AB
DES_z	332.2	2.19	17.596	0.007	AB
PanSTARRS_y	370.4	11.36	17.478	0.033	AB
2MASS_J	660.7	211.93	15.955	0.348	Vega
2MASS_H	346.24	369.38	16.184	1.158	Vega
2MASS_K	6.07	416.8	20.103	74.489	Vega
WISE_W1	132.83	11.41	15.893	0.093	Vega
WISE_W2	79.91	17.89	15.805	0.243	Vega
WISE_W3	30.51	68.37	15.015	2.433	Vega
WISE_W4	286.03	411.38	11.139	1.561	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	9.985	10.160	10.299
${\rm log}_{10}({\rm SFR})$	-2.118	-0.470	0.908
${\rm log}_{10}({\rm sSFR})$	-12.309	-10.615	-9.242
${\rm stellar\ age}$	0.219	0.661	2.257

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.558	-1.183	-0.845
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-0.592	-0.080	0.223

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.128	0.259	0.459
$\delta$	-0.759	-0.371	0.065
$\tau_1/\tau_2$	0.416	0.925	1.467
$Q_{PAH}$	0.425	1.603	3.906
$U_{min}$	3.396	10.002	17.865
${\rm log}_{10}(\gamma_e)\,$	-3.031	-1.730	-0.634

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.489	-3.567	-2.350
${\rm log}_{10}(\tau_{AGN})\,$	1.067	1.577	1.940

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.050	-1.772	-0.354
0.03-0.10 Gyr	-2.363	-0.494	1.060
0.10-0.32 Gyr	-0.266	1.545	1.810
0.32-1.01 Gyr	-1.598	0.868	1.505
1.01-3.23 Gyr	-3.908	-1.975	-0.119
3.23-10.27 Gyr	-5.465	-2.670	-0.469
10.27-11.41 Gyr	-5.922	-2.410	-0.098