2018btb

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Information

Transient

Name: 2018btb
Right ascension: 11h34m27.88s
Declination: 46d21m45.29s
Discovery Date: None
Classification: SNIa
Redshift: 0.033864
MW E(B-V): 0.016

Host

Name: 2018btb
Right ascension: 11h34m28.50s
Declination: 46d21m38.16s
Redshift: 0.033842
Photometric Redshift: 0.037
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.27
Cutout download processed 13.89
Global aperture construction processed 0.6
Local aperture photometry processed 4.55
Global aperture photometry processed 4.48
Validate local photometry processed 0.02
Validate global photometry processed 14.22
Host information processed 0.09
Global host SED inference processing None
Local host SED inference processed 403.89
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
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) = 11h34m27.88s, 46d21m45.29s
semi major axis, semi minor axis (arcsec) = 2.97, 2.97
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 13.03 2.6 21.113 0.217
SDSS_g 71.43 2.35 19.265 0.036
PanSTARRS_g 80.51 0.71 19.135 0.010
SDSS_r 140.09 3.41 18.534 0.026
PanSTARRS_r 147.05 0.87 18.481 0.006
SDSS_i 200.92 4.44 18.142 0.024
PanSTARRS_i 201.76 0.88 18.138 0.005
PanSTARRS_z 240.0 2.85 17.949 0.013
SDSS_z 238.38 9.48 17.957 0.043
PanSTARRS_y 311.37 4.86 17.667 0.017
2MASS_J 281.21 71.59 16.883 0.276
2MASS_H 423.76 99.69 15.965 0.255
2MASS_K 347.65 110.03 15.709 0.344

Aperture details

RA, DEC (J2000) = 11h34m28.49s, 46d21m38.41s
semi major axis, semi minor axis (arcsec) = 19.27, 16.88
angle (degrees, anti-clockwise from east) = -55.9

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 152.23 12.32 18.444 0.088
GALEX_NUV 204.04 6.56 18.126 0.035
SDSS_u 674.08 16.45 16.828 0.026
SDSS_g 2724.04 14.49 15.312 0.006
PanSTARRS_g 2955.88 4.33 15.223 0.002
SDSS_r 5541.35 21.31 14.541 0.004
SDSS_i 8065.84 27.71 14.133 0.004
PanSTARRS_i 7766.76 5.33 14.174 0.001
PanSTARRS_z 9509.37 16.99 13.955 0.002
SDSS_z 10071.3 58.4 13.892 0.006
PanSTARRS_y 11898.1 29.24 13.711 0.003
2MASS_J 14255.68 473.95 12.620 0.036
2MASS_H 16472.8 656.11 11.990 0.043
2MASS_K 14954.26 728.08 11.625 0.053
WISE_W2 4448.37 60.51 11.440 0.015
WISE_W3 8423.69 211.86 8.912 0.027
WISE_W4 8249.85 1397.29 7.489 0.184
 

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})\, 9.026 9.181 9.318
{\rm log}_{10}({\rm SFR}) -1.578 -1.011 -0.630
{\rm log}_{10}({\rm sSFR}) -10.804 -10.229 -9.771
{\rm stellar\ age} 5.505 7.451 9.776

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.590 -1.016 -0.485
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.108 -0.166 0.224

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.475 1.002 1.298
\delta -0.505 -0.134 0.161
\tau_1/\tau_2 0.676 1.024 1.376
Q_{PAH} 0.401 1.540 3.632
U_{min} 2.525 7.473 14.600
{\rm log}_{10}(\gamma_e)\, -3.441 -2.367 -1.134

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.022 -2.247 -0.827
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.350 1.789

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.446 -0.947 -0.660
0.03-0.10 Gyr -1.976 -1.098 -0.586
0.10-0.33 Gyr -2.277 -1.167 -0.644
0.33-1.09 Gyr -2.148 -1.138 -0.639
1.09-3.62 Gyr -1.941 -0.934 -0.613
3.62-11.97 Gyr -1.358 -0.778 -0.553
11.97-13.30 Gyr -1.287 -0.628 0.087

Global parameter details

Documentation