2018eyi

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Information

Transient

Name: SN2018eyi
Right ascension: 16h25m12.51s
Declination: 40d50m25.04s
Discovery Date: Aug. 8, 2018, 7:43 a.m.
Classification: SN Ia-91bg-like
Redshift: 0.030380
MW E(B-V): 0.005

Host

Name: 2018eyi
Right ascension: 16h25m12.80s
Declination: 40d50m31.55s
Redshift: 0.030383
Photometric Redshift: 0.034
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.25
Cutout download processed 0.03
Global aperture construction processed 0.64
Local aperture photometry processed 4.52
Global aperture photometry processed 4.67
Validate local photometry processed 0.02
Validate global photometry processed 14.29
Host information processed 0.1
Global host SED inference processed 549.65
Local host SED inference processed 477.11
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) = 16h25m12.51s, 40d50m25.04s
semi major axis, semi minor axis (arcsec) = 3.29, 3.29
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 2.32 2.5 22.987 1.171 AB
SDSS_g 26.97 1.77 20.323 0.071 AB
PanSTARRS_g 29.73 0.81 20.217 0.030 AB
SDSS_r 47.84 2.19 19.701 0.050 AB
PanSTARRS_r 48.31 0.85 19.690 0.019 AB
SDSS_i 70.59 3.35 19.278 0.051 AB
PanSTARRS_i 66.75 0.83 19.339 0.014 AB
PanSTARRS_z 81.55 2.06 19.121 0.027 AB
SDSS_z 86.62 7.46 19.056 0.094 AB
PanSTARRS_y 111.34 4.62 18.783 0.045 AB
2MASS_J 109.28 69.57 17.909 0.691 Vega
2MASS_H 111.81 99.47 17.411 0.966 Vega
2MASS_K -30.5 121.2 Vega

Aperture details

RA, DEC (J2000) = 16h25m12.80s, 40d50m31.63s
semi major axis, semi minor axis (arcsec) = 9.7, 5.38
angle (degrees, anti-clockwise from east) = -96.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.83 1.82 22.443 0.515 AB
GALEX_NUV 12.87 0.73 21.126 0.061 AB
SDSS_u 265.8 6.85 17.839 0.028 AB
SDSS_g 1388.7 9.99 16.043 0.008 AB
PanSTARRS_g 1551.84 1.9 15.923 0.001 AB
SDSS_r 2841.53 14.1 15.266 0.005 AB
PanSTARRS_r 2932.74 2.05 15.232 0.001 AB
SDSS_i 4001.92 17.31 14.894 0.005 AB
PanSTARRS_i 3970.72 1.9 14.903 0.001 AB
PanSTARRS_z 4933.64 4.6 14.667 0.001 AB
SDSS_z 5168.8 24.14 14.617 0.005 AB
PanSTARRS_y 5692.19 9.8 14.512 0.002 AB
2MASS_J 7505.36 189.8 13.317 0.027 Vega
2MASS_H 8949.8 266.6 12.653 0.032 Vega
2MASS_K 8011.35 328.21 12.303 0.044 Vega
WISE_W1 3287.88 28.38 12.409 0.009 Vega
WISE_W2 1830.04 27.8 12.405 0.016 Vega
WISE_W3 399.58 87.05 12.222 0.237 Vega
WISE_W4 709.86 482.76 10.152 0.738 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})\, 8.307 8.511 8.661
{\rm log}_{10}({\rm SFR}) -2.003 -1.341 -0.735
{\rm log}_{10}({\rm sSFR}) -10.607 -9.924 -9.132
{\rm stellar\ age} 2.059 5.986 7.852

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.370 -0.711 -0.043
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.093 -0.557 -0.069

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.690 1.261 1.676
\delta -0.304 -0.004 0.239
\tau_1/\tau_2 0.669 1.028 1.387
Q_{PAH} 0.588 2.156 4.697
U_{min} 2.683 7.679 14.714
{\rm log}_{10}(\gamma_e)\, -3.238 -2.215 -1.057

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.882 -2.067 -0.495
{\rm log}_{10}(\tau_{AGN})\, 0.958 1.407 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.133 -1.354 -0.984
0.03-0.10 Gyr -2.301 -1.403 -0.650
0.10-0.33 Gyr -2.377 -1.434 -0.831
0.33-1.10 Gyr -2.350 -1.369 -0.867
1.10-3.63 Gyr -2.829 -1.490 -1.136
3.63-12.01 Gyr -3.100 -1.544 -1.218
12.01-13.35 Gyr -3.063 -1.619 -0.980

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.314 10.360 10.472
{\rm log}_{10}({\rm SFR}) -6.720 -3.542 -2.414
{\rm log}_{10}({\rm sSFR}) -16.860 -13.908 -12.800
{\rm stellar\ age} 7.805 8.556 12.531

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.625 -0.507 -0.410
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.501 -0.704 0.091

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.118 0.190 0.275
\delta -0.909 -0.686 -0.385
\tau_1/\tau_2 0.490 0.936 1.404
Q_{PAH} 0.473 1.263 2.982
U_{min} 4.002 10.498 18.573
{\rm log}_{10}(\gamma_e)\, -1.787 -1.207 -0.657

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.354 -3.511 -2.654
{\rm log}_{10}(\tau_{AGN})\, 1.027 1.506 1.904

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.560 -3.769 -2.378
0.03-0.10 Gyr -7.737 -4.006 -2.491
0.10-0.33 Gyr -7.082 -4.098 -2.365
0.33-1.10 Gyr -5.244 -3.159 -1.801
1.10-3.63 Gyr -3.440 -1.725 -0.128
3.63-12.01 Gyr -1.118 0.515 0.644
12.01-13.35 Gyr -1.141 0.708 1.586