2018keq results

Information

Transient
Name:SN2018keq
Right ascension: 23h22m41.96s
Declination:21d00m43.26s
Discovery Date:Dec. 17, 2018, 2:13 a.m.
Classification:SN Ic-BL
Redshift:0.040000
MW E(B-V):0.091
Host
Name:
Right ascension: 23h22m41.97s
Declination:21d00m43.19s
Redshift:None
Photometric Redshift:0.057
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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_z
 GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.96
Transient MWEBV processed 0.13
Host match processed 5.83
Host information processed 0.17
Host MWEBV processed 0.11
Global aperture construction processed 0.65
Global aperture photometry processed 6.2
Validate global photometry processed 18.43
Global host SED inference processed 422.06
Local aperture photometry processed 6.14
Validate local photometry processed 0.03
Local host SED inference processed 564.99
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h22m41.96s, 21d00m43.26s
semi major axis, semi minor axis (arcsec):2.53, 2.53
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 87.56 3.51 19.044 0.044 AB
SDSS_g 269.0 4.38 17.826 0.018 AB
DES_g 277.57 0.87 17.792 0.003 AB
PanSTARRS_g 271.29 0.69 17.816 0.003 AB
SDSS_r 481.13 5.85 17.194 0.013 AB
PanSTARRS_r 481.03 0.84 17.195 0.002 AB
DES_r 534.41 2.42 17.080 0.005 AB
SDSS_i 668.12 7.12 16.838 0.012 AB
PanSTARRS_i 635.14 1.05 16.893 0.002 AB
PanSTARRS_z 772.18 1.86 16.681 0.003 AB
SDSS_z 817.6 10.69 16.619 0.014 AB
DES_z 789.64 5.39 16.656 0.007 AB
PanSTARRS_y 922.2 3.93 16.488 0.005 AB

Aperture details

RA, DEC (J2000):23h22m41.83s, 21d00m43.04s
semi major axis, semi minor axis (arcsec):11.15, 7.4
angle (degrees, anti-clockwise from east):-85.11
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 235.85 10.28 17.968 0.047 AB
SDSS_g 773.97 8.16 16.678 0.011 AB
DES_g 821.87 1.57 16.613 0.002 AB
PanSTARRS_g 833.48 2.22 16.598 0.003 AB
SDSS_r 1347.22 10.74 16.076 0.009 AB
PanSTARRS_r 1458.01 2.58 15.991 0.002 AB
DES_r 1536.87 4.27 15.933 0.003 AB
SDSS_i 1864.03 14.16 15.724 0.008 AB
PanSTARRS_i 1846.11 3.42 15.734 0.002 AB
PanSTARRS_z 2220.47 6.34 15.534 0.003 AB
SDSS_z 2179.37 30.38 15.554 0.015 AB
DES_z 2328.59 9.45 15.482 0.004 AB
PanSTARRS_y 2714.26 13.91 15.316 0.006 AB
2MASS_J 3200.76 186.58 14.242 0.063 Vega
2MASS_H 4176.19 284.88 13.480 0.074 Vega
2MASS_K 4076.5 376.17 13.036 0.100 Vega
WISE_W1 1731.41 26.56 13.105 0.017 Vega
WISE_W2 1143.65 31.75 12.915 0.030 Vega
WISE_W3 6592.23 130.78 9.178 0.022 Vega
WISE_W4 11816.38 1020.14 7.099 0.094 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.629 9.731 9.851
{\rm log}_{10}({\rm SFR}) -0.869 -0.334 0.228
{\rm log}_{10}({\rm sSFR}) -10.642 -10.062 -9.478
{\rm stellar\ age} 6.158 7.467 9.089

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.650 -1.201 -0.764
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.216 0.239 0.411

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.296 0.525 0.755
\delta -0.649 -0.320 0.056
\tau_1/\tau_2 0.649 0.975 1.341
Q_{PAH} 0.407 1.802 3.923
U_{min} 2.912 8.213 15.170
{\rm log}_{10}(\gamma_e)\, -3.195 -1.781 -0.695

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.172 -2.342 -0.840
{\rm log}_{10}(\tau_{AGN})\, 0.902 1.422 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.835 -0.543 -0.282
0.03-0.10 Gyr -0.960 -0.279 0.358
0.10-0.33 Gyr -1.145 -0.462 -0.004
0.33-1.09 Gyr -1.259 -0.584 -0.216
1.09-3.60 Gyr -1.133 -0.418 -0.100
3.60-11.90 Gyr -0.522 -0.178 -0.011
11.90-13.22 Gyr -0.603 -0.059 0.551

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.851 9.981 10.130
{\rm log}_{10}({\rm SFR}) -0.490 0.161 0.608
{\rm log}_{10}({\rm sSFR}) -10.637 -9.864 -9.257
{\rm stellar\ age} 4.223 6.054 7.483

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.763 -0.448 -0.277
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.026 0.218 0.364

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.256 0.403 0.582
\delta -0.848 -0.603 -0.094
\tau_1/\tau_2 0.594 0.975 1.329
Q_{PAH} 0.496 1.232 3.209
U_{min} 2.631 7.052 13.495
{\rm log}_{10}(\gamma_e)\, -3.293 -2.384 -1.455

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.890 -2.762 -1.804
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.538 1.955

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.132 0.144 0.303
0.03-0.10 Gyr -0.948 0.168 0.712
0.10-0.33 Gyr -0.837 0.210 0.634
0.33-1.09 Gyr -0.512 0.090 0.388
1.09-3.60 Gyr -0.248 0.108 0.390
3.60-11.90 Gyr -0.439 -0.021 0.241
11.90-13.22 Gyr -0.709 -0.030 0.434