2021nkb

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Information

Transient

Name: 2021nkb
Right ascension: 21h25m29.23s
Declination: -22d56m39.01s
Discovery Date: None
Classification: SN Ia
Redshift: 0.038000
MW E(B-V): 0.044

Host

Name: 2021nkb
Right ascension: 21h25m29.92s
Declination: -22d56m42.64s
Redshift: None
Photometric Redshift: 0.055
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.12
Cutout download processed 3.5
Global aperture construction processed 0.61
Local aperture photometry processed 4.19
Global aperture photometry processed 3.78
Validate local photometry processed 0.02
Validate global photometry processed 11.2
Host information processed 0.08
Global host SED inference processed 531.18
Local host SED inference processed 429.82
Transient information processed 0.0
Transient MWEBV processed 0.06
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) = 21h25m29.23s, -22d56m39.01s
semi major axis, semi minor axis (arcsec) = 2.66, 2.66
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 8.75 0.65 21.544 0.081 AB
PanSTARRS_r 13.04 1.1 21.112 0.091 AB
PanSTARRS_i 13.42 0.75 21.081 0.061 AB
PanSTARRS_z 18.35 2.09 20.741 0.123 AB
PanSTARRS_y 12.31 5.2 21.175 0.459 AB

Aperture details

RA, DEC (J2000) = 21h25m29.90s, -22d56m42.59s
semi major axis, semi minor axis (arcsec) = 10.34, 4.56
angle (degrees, anti-clockwise from east) = -127.81

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 35.85 4.68 20.014 0.142 AB
GALEX_NUV 49.15 3.51 19.671 0.077 AB
PanSTARRS_g 180.3 1.69 18.260 0.010 AB
PanSTARRS_r 269.33 2.72 17.824 0.011 AB
PanSTARRS_i 300.52 1.89 17.705 0.007 AB
PanSTARRS_z 369.05 5.28 17.482 0.016 AB
PanSTARRS_y 364.42 12.74 17.496 0.038 AB
2MASS_J 364.4 174.21 16.601 0.519 Vega
2MASS_H 964.28 290.94 15.072 0.328 Vega
2MASS_K 426.01 328.65 15.489 0.838 Vega
WISE_W1 300.0 23.69 15.008 0.086 Vega
WISE_W2 170.71 30.09 14.980 0.191 Vega
WISE_W3 331.01 124.55 12.426 0.409 Vega
WISE_W4 -577.71 578.16 Vega
 

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})\, 7.556 7.833 8.022
{\rm log}_{10}({\rm SFR}) -2.010 -1.518 -0.987
{\rm log}_{10}({\rm sSFR}) -9.951 -9.345 -8.532
{\rm stellar\ age} 1.952 5.739 7.536

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.494 -0.725 -0.079
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.655 -1.057 -0.074

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.370 0.821 1.285
\delta -0.388 -0.057 0.212
\tau_1/\tau_2 0.706 1.061 1.465
Q_{PAH} 1.069 3.126 5.244
U_{min} 3.009 8.128 15.088
{\rm log}_{10}(\gamma_e)\, -2.872 -1.756 -0.611

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.128 -0.962 -0.003
{\rm log}_{10}(\tau_{AGN})\, 1.046 1.529 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.975 -1.500 -1.105
0.03-0.10 Gyr -2.234 -1.582 -0.934
0.10-0.33 Gyr -2.755 -1.924 -1.356
0.33-1.09 Gyr -3.002 -2.095 -1.626
1.09-3.61 Gyr -3.295 -2.200 -1.855
3.61-11.92 Gyr -3.411 -2.219 -1.882
11.92-13.25 Gyr -3.484 -2.235 -1.666

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.061 9.264 9.423
{\rm log}_{10}({\rm SFR}) -0.254 -0.020 0.283
{\rm log}_{10}({\rm sSFR}) -9.543 -9.268 -8.887
{\rm stellar\ age} 5.506 7.359 10.569

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.471 -0.976 -0.475
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.931 -1.650 -0.012

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.301 0.506 0.715
\delta 0.015 0.211 0.348
\tau_1/\tau_2 0.514 0.942 1.380
Q_{PAH} 1.071 3.059 5.351
U_{min} 2.908 8.318 15.551
{\rm log}_{10}(\gamma_e)\, -3.309 -2.050 -1.046

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.144 -2.992 -1.999
{\rm log}_{10}(\tau_{AGN})\, 0.938 1.374 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.478 -1.031 -0.603
0.03-0.10 Gyr -0.131 0.131 0.439
0.10-0.33 Gyr -2.615 -0.947 -0.316
0.33-1.09 Gyr -3.205 -1.246 -0.724
1.09-3.61 Gyr -2.947 -1.082 -0.644
3.61-11.92 Gyr -1.916 -0.770 -0.490
11.92-13.25 Gyr -1.492 -0.529 0.364