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) Warning Flag
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

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

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