2026bbu results

Information

Transient
Name:AT2026bbu
Right ascension: 4h00m51.39s
Declination:-45d57m20.82s
Discovery Date:Jan. 23, 2026, 2:05 a.m.
Classification:None
Redshift:None
MW E(B-V):0.008
Host
Name:J040051.28-455720.64
Right ascension: 4h00m51.28s
Declination:-45d57m20.64s
Redshift:None
Photometric Redshift:0.078
 

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: blocked

Task Name Status Time (s)
Cutout download processed 4.49
Transient MWEBV processed 0.04
Host match processed 6.01
Host information processed 0.2
Host MWEBV processed 0.04
Global aperture construction processed 0.12
Global aperture photometry processed 0.8
Validate global photometry processed 1.18
Global host SED inference processed 472.55
Local aperture photometry processed 0.73
Validate local photometry no valid phot 0.01
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):4h00m51.29s, -45d57m20.52s
semi major axis, semi minor axis (arcsec):12.35, 6.18
angle (degrees, anti-clockwise from east):-42.61
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.42 0.9 21.725 0.132 AB
GALEX_NUV 15.16 0.58 20.948 0.041 AB
2MASS_J 3107.71 182.44 14.274 0.064 Vega
2MASS_H 3694.94 273.2 13.613 0.080 Vega
2MASS_K 3312.49 332.09 13.262 0.109 Vega
WISE_W1 1674.11 15.66 13.142 0.010 Vega
WISE_W2 1080.99 19.81 12.976 0.020 Vega
WISE_W3 2515.63 51.55 10.224 0.022 Vega
WISE_W4 2002.4 309.61 9.026 0.168 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})\, 10.645 10.805 10.944
{\rm log}_{10}({\rm SFR}) -0.451 0.232 0.827
{\rm log}_{10}({\rm sSFR}) -11.232 -10.539 -9.940
{\rm stellar\ age} 6.126 7.966 11.693

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.451 -0.044 0.132
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.252 -0.548 -0.028

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.324 0.527 0.782
\delta -0.706 -0.414 -0.103
\tau_1/\tau_2 0.348 0.788 1.317
Q_{PAH} 0.351 1.240 3.593
U_{min} 2.357 6.931 13.510
{\rm log}_{10}(\gamma_e)\, -3.315 -2.312 -1.384

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.117 -2.709 -1.538
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.547 1.942

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.872 0.053 0.666
0.03-0.10 Gyr -1.179 0.007 0.944
0.10-0.33 Gyr -1.570 -0.229 0.514
0.33-1.07 Gyr -2.018 -0.174 0.708
1.07-3.50 Gyr -1.623 0.190 0.873
3.50-11.45 Gyr -0.191 0.786 1.045
11.45-12.73 Gyr 0.368 1.222 2.047