2021vgn

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Information

Transient

Name: SN2021vgn
Right ascension: 16h21m10.51s
Declination: 36d03m40.36s
Discovery Date: Aug. 8, 2021, 4:29 a.m.
Classification: SN IIb
Redshift: 0.032341
MW E(B-V): 0.014

Host

Name: 2021vgn
Right ascension: 16h21m10.99s
Declination: 36d04m06.69s
Redshift: 0.032350
Photometric Redshift: 0.032
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.52
Cutout download processed 14.42
Global aperture construction processed 0.62
Local aperture photometry processed 5.06
Global aperture photometry processed 5.74
Validate local photometry processed 0.02
Validate global photometry processed 11.41
Host information processed 0.09
Global host SED inference processed 803.5
Local host SED inference processed 436.5
Transient information processed 0.0
Transient MWEBV processed 0.13
Host MWEBV processed 0.05
Log transient processing status processed 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) = 16h21m10.51s, 36d03m40.36s
semi major axis, semi minor axis (arcsec) = 3.1, 3.1
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 0.71 2.09 24.267 3.184
SDSS_g 12.46 1.2 21.162 0.104
DES_g 12.4 0.38 21.166 0.033
PanSTARRS_g 10.11 0.82 21.389 0.088
SDSS_r 18.56 1.6 20.729 0.093
PanSTARRS_r 10.21 0.85 21.378 0.090
SDSS_i 17.78 2.23 20.775 0.136
PanSTARRS_i 16.5 0.71 20.856 0.047
PanSTARRS_z 14.63 1.95 20.987 0.145
SDSS_z -8.12 6.97
DES_z 1.93 0.83 23.184 0.465
PanSTARRS_y 3.26 4.36 22.618 1.453

Aperture details

RA, DEC (J2000) = 16h21m11.00s, 36d04m06.51s
semi major axis, semi minor axis (arcsec) = 19.49, 14.18
angle (degrees, anti-clockwise from east) = -148.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 879.17 13.31 16.540 0.016
SDSS_g 2957.58 14.67 15.223 0.005
DES_g 2943.81 5.25 15.228 0.002
PanSTARRS_g 3082.56 4.61 15.178 0.002
SDSS_r 5012.6 19.36 14.650 0.004
PanSTARRS_r 5104.2 4.78 14.630 0.001
SDSS_i 6711.22 23.56 14.333 0.004
PanSTARRS_z 7701.18 11.03 14.184 0.002
SDSS_z 7914.75 43.45 14.154 0.006
DES_z 7423.83 14.28 14.223 0.002
PanSTARRS_y 8946.24 23.11 14.021 0.003
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.104 7.398 7.641
{\rm log}_{10}({\rm SFR}) -1.871 -1.170 -0.682
{\rm log}_{10}({\rm sSFR}) -9.405 -8.541 -7.916
{\rm stellar\ age} 0.070 1.931 6.233

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.565 -1.127 -0.583
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.357 -0.749 -0.221

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.332 0.792 1.261
\delta -0.251 0.072 0.277
\tau_1/\tau_2 0.725 1.165 1.559
Q_{PAH} 0.822 2.452 5.073
U_{min} 3.124 8.841 16.740
{\rm log}_{10}(\gamma_e)\, -2.939 -1.889 -0.784

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.783 -0.668 -0.071
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.482 1.861

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.538 -1.974 -1.512
0.03-0.10 Gyr -1.813 -1.044 -0.530
0.10-0.33 Gyr -4.273 -2.145 -1.396
0.33-1.10 Gyr -6.150 -2.797 -1.957
1.10-3.62 Gyr -7.513 -3.279 -2.308
3.62-11.99 Gyr -8.322 -3.598 -2.399
11.99-13.32 Gyr -8.426 -3.427 -2.243

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.444 10.559 10.683
{\rm log}_{10}({\rm SFR}) -0.266 0.328 0.854
{\rm log}_{10}({\rm sSFR}) -10.826 -10.251 -9.681
{\rm stellar\ age} 6.624 7.889 11.074

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.646 -1.062 -0.664
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.671 0.183 0.409

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.272 0.526 0.769
\delta -0.384 -0.018 0.276
\tau_1/\tau_2 0.584 1.031 1.500
Q_{PAH} 0.514 2.718 5.127
U_{min} 2.465 6.884 14.025
{\rm log}_{10}(\gamma_e)\, -3.586 -2.856 -1.629

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.628 -3.181 -1.286
{\rm log}_{10}(\tau_{AGN})\, 0.931 1.394 1.986

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.537 0.047 0.454
0.03-0.10 Gyr -0.424 0.368 0.981
0.10-0.33 Gyr -1.332 0.105 0.696
0.33-1.10 Gyr -2.087 -0.047 0.427
1.10-3.62 Gyr -1.345 0.183 0.669
3.62-11.99 Gyr -0.182 0.614 0.808
11.99-13.32 Gyr -0.010 0.844 1.682