2021ybw

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Information

Transient

Name: 2021ybw
Right ascension: 21h58m12.37s
Declination: -11d28m22.13s
Discovery Date: None
Classification: Ia
Redshift: 0.085225
MW E(B-V): 0.042

Host

Name: 2021ybw
Right ascension: 21h58m12.45s
Declination: -11d28m22.18s
Redshift: None
Photometric Redshift: 0.110
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.59
Cutout download processed 8.96
Global aperture construction processed 0.6
Local aperture photometry processed 5.15
Global aperture photometry processed 5.3
Validate local photometry processed 0.02
Validate global photometry processed 12.87
Host information processed 0.09
Global host SED inference processed 445.55
Local host SED inference processing None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.06
Log transient processing status processing 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) = 21h58m12.37s, -11d28m22.13s
semi major axis, semi minor axis (arcsec) = 1.25, 1.25
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
DES_g 20.12 0.22 20.641 0.012
PanSTARRS_r 33.08 0.3 20.101 0.010
DES_r 32.15 0.71 20.132 0.024
PanSTARRS_i 44.31 0.31 19.784 0.008
PanSTARRS_z 47.3 0.94 19.713 0.022
DES_z 47.01 1.55 19.720 0.036
PanSTARRS_y 45.0 2.53 19.767 0.061

Aperture details

RA, DEC (J2000) = 21h58m12.45s, -11d28m22.05s
semi major axis, semi minor axis (arcsec) = 7.72, 6.5
angle (degrees, anti-clockwise from east) = -101.19

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
DES_g 179.82 0.77 18.263 0.005
PanSTARRS_g 171.18 1.8 18.316 0.011
PanSTARRS_r 254.48 1.59 17.886 0.007
DES_r 282.63 2.25 17.772 0.009
PanSTARRS_i 330.04 1.67 17.604 0.006
PanSTARRS_z 367.09 5.12 17.488 0.015
DES_z 397.96 4.84 17.400 0.013
PanSTARRS_y 365.94 13.69 17.491 0.041
2MASS_J 24.86 267.68 19.516 11.691
2MASS_H 1054.3 385.13 14.975 0.397
2MASS_K 537.77 424.92 15.236 0.858
WISE_W1 215.24 19.33 15.369 0.097
WISE_W2 144.25 28.36 15.163 0.213
WISE_W3 566.26 122.23 11.843 0.234
WISE_W4 1930.16 906.97 9.066 0.510
 

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})\, 9.745 9.885 10.022
{\rm log}_{10}({\rm SFR}) -1.599 -0.761 -0.120
{\rm log}_{10}({\rm sSFR}) -11.423 -10.634 -10.009
{\rm stellar\ age} 2.783 5.695 7.319

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.641 -1.286 -0.930
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.735 -1.002 0.064

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.229 0.361
\delta -0.686 -0.229 0.183
\tau_1/\tau_2 0.592 0.968 1.331
Q_{PAH} 1.115 2.932 5.062
U_{min} 2.916 8.241 15.554
{\rm log}_{10}(\gamma_e)\, -2.680 -1.372 -0.423

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.419 -2.008 -1.283
{\rm log}_{10}(\tau_{AGN})\, 1.009 1.458 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.184 -0.928 -0.516
0.03-0.10 Gyr -2.218 -0.758 -0.005
0.10-0.33 Gyr -1.639 -0.208 0.332
0.33-1.07 Gyr -0.768 0.049 0.438
1.07-3.48 Gyr -0.327 0.118 0.416
3.48-11.37 Gyr -1.207 -0.127 0.160
11.37-12.64 Gyr -1.488 -0.220 0.458