2021bbu

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Information

Transient

Name: AT2021bbu
Right ascension: 6h19m27.69s
Declination: -65d52m58.55s
Discovery Date: Jan. 23, 2021, 5:38 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name: 2021bbu
Right ascension: 6h19m27.60s
Declination: -65d53m08.37s
Redshift: 0.089348
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
no valid phot
 status
Local host SED inference
Local host SED inference
not processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 1.83
Cutout download processed 2.31
Global aperture construction processed 0.16
Local aperture photometry processed 1.04
Global aperture photometry processed 1.1
Validate local photometry no valid phot 0.01
Validate global photometry processed 1.52
Host information processed 0.09
Global host SED inference processed 854.58
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.06
Processing status blocked N/A N/A
 

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) = 6h19m27.69s, -65d52m58.55s
semi major axis, semi minor axis (arcsec) = 1.2, 1.2
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available


Aperture details

RA, DEC (J2000) = 6h19m27.64s, -65d53m08.65s
semi major axis, semi minor axis (arcsec) = 9.48, 7.0
angle (degrees, anti-clockwise from east) = -18.69

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.55 2.71 20.729 0.159 AB
GALEX_NUV 23.67 1.95 20.465 0.089 AB
2MASS_J 2336.68 187.47 14.584 0.087 Vega
2MASS_H 3578.18 298.85 13.648 0.091 Vega
2MASS_K 3443.56 368.14 13.220 0.116 Vega
WISE_W1 1549.75 17.01 13.225 0.012 Vega
WISE_W2 1200.68 17.32 12.862 0.016 Vega
WISE_W3 1219.52 24.39 11.011 0.022 Vega
WISE_W4 1325.17 191.53 9.474 0.157 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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})\, 10.747 10.845 10.963
{\rm log}_{10}({\rm SFR}) -0.399 -0.024 0.384
{\rm log}_{10}({\rm sSFR}) -11.245 -10.862 -10.415
{\rm stellar\ age} 6.109 7.526 10.419

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.317 -0.011 0.142
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.074 -0.462 0.159

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.089 0.223 0.408
\delta -0.817 -0.456 -0.012
\tau_1/\tau_2 0.208 0.657 1.169
Q_{PAH} 0.216 0.731 1.913
U_{min} 2.001 5.565 12.410
{\rm log}_{10}(\gamma_e)\, -3.626 -3.060 -1.853

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.639 -1.654 -1.343
{\rm log}_{10}(\tau_{AGN})\, 0.830 1.096 1.461

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.278 0.194 0.655
0.03-0.10 Gyr -1.492 -0.401 0.263
0.10-0.33 Gyr -1.647 -0.418 0.219
0.33-1.06 Gyr -1.318 -0.015 0.651
1.06-3.47 Gyr -0.675 0.591 1.043
3.47-11.33 Gyr 0.341 0.940 1.116
11.33-12.59 Gyr 0.478 1.141 1.939