ASASSN-15ti

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Information

Transient

Name: ASASSN-15ti
Right ascension: 3h05m08.59s
Declination: 37d53m59.95s
Discovery Date: None
Classification: SNIa
Redshift: 0.016440
MW E(B-V): 0.129

Host

Name: ASASSN-15ti
Right ascension: 3h05m10.61s
Declination: 37d53m59.99s
Redshift: 0.017320
Photometric Redshift: 0.023
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.17
Cutout download processed None
Global aperture construction processed 0.77
Local aperture photometry processed 5.96
Global aperture photometry processed 6.9
Validate local photometry processed 0.02
Validate global photometry processed 15.61
Host information processed 0.08
Global host SED inference processed 403.85
Local host SED inference processed 1811.47
Transient information processed 0.0
Transient MWEBV processed 0.16
Host MWEBV processed 0.07
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) = 3h05m08.59s, 37d53m59.95s
semi major axis, semi minor axis (arcsec) = 5.68, 5.68
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_NUV 1.24 1.85 23.664 1.615
SDSS_u 33.13 4.42 20.100 0.145
SDSS_g 13.21 2.0 21.098 0.164
PanSTARRS_g 12.88 1.46 21.125 0.123
SDSS_r 16.72 3.08 20.842 0.200
PanSTARRS_r 29.97 1.77 20.208 0.064
SDSS_i 26.34 4.53 20.348 0.187
PanSTARRS_i 39.28 1.84 19.915 0.051
PanSTARRS_z 49.07 4.35 19.673 0.096
SDSS_z 11.72 16.45 21.228 1.524
PanSTARRS_y 90.56 9.53 19.008 0.114
2MASS_J 62.82 106.51 18.510 1.841
2MASS_H 262.22 188.99 16.486 0.783
2MASS_K 391.82 189.04 15.579 0.524

Aperture details

RA, DEC (J2000) = 3h05m10.60s, 37d54m00.15s
semi major axis, semi minor axis (arcsec) = 7.09, 5.31
angle (degrees, anti-clockwise from east) = -127.84

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_NUV 42.11 4.61 19.839 0.119
SDSS_u 135.78 5.53 18.568 0.044
SDSS_g 362.95 5.22 17.500 0.016
PanSTARRS_g 380.84 1.64 17.448 0.005
SDSS_r 596.05 6.93 16.962 0.013
PanSTARRS_r 604.44 1.96 16.947 0.004
SDSS_i 743.97 8.37 16.721 0.012
PanSTARRS_i 746.98 2.02 16.717 0.003
PanSTARRS_z 879.48 4.6 16.539 0.006
SDSS_z 856.01 19.02 16.569 0.024
PanSTARRS_y 971.01 10.06 16.432 0.011
2MASS_J 773.09 145.38 15.785 0.204
2MASS_H 1038.19 254.3 14.992 0.266
2MASS_K 633.52 257.6 15.058 0.441
WISE_W1 530.36 19.82 14.390 0.041
WISE_W2 299.94 25.95 14.368 0.094
WISE_W3 532.41 110.04 11.910 0.224
WISE_W4 428.17 586.45 10.701 1.487
 

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})\, 7.339 7.741 7.960
{\rm log}_{10}({\rm SFR}) -1.220 -0.366 -0.039
{\rm log}_{10}({\rm sSFR}) -8.710 -7.961 -7.920
{\rm stellar\ age} 0.048 0.187 7.041

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.838 -1.438 0.034
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.138 0.140 0.330

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.788 2.251 2.704
\delta 0.209 0.317 0.372
\tau_1/\tau_2 1.104 1.586 1.858
Q_{PAH} 0.276 1.128 3.812
U_{min} 4.005 10.610 18.661
{\rm log}_{10}(\gamma_e)\, -3.574 -2.048 -0.847

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.594 -3.178 0.038
{\rm log}_{10}(\tau_{AGN})\, 1.052 1.596 2.024

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.238 -0.461 0.040
0.03-0.10 Gyr -1.676 -0.642 0.019
0.10-0.33 Gyr -5.353 -4.204 -3.006
0.33-1.10 Gyr -8.058 -5.826 -3.590
1.10-3.67 Gyr -8.774 -5.308 -2.815
3.67-12.17 Gyr -9.567 -5.257 -2.458
12.17-13.53 Gyr -10.104 -4.988 -2.101

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.767 8.856 8.956
{\rm log}_{10}({\rm SFR}) -1.324 -0.931 -0.622
{\rm log}_{10}({\rm sSFR}) -10.188 -9.791 -9.443
{\rm stellar\ age} 5.539 6.726 8.039

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.019 -0.791 -0.619
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.731 -0.134 0.367

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.103 0.171 0.283
\delta -0.763 -0.394 0.058
\tau_1/\tau_2 0.661 0.946 1.264
Q_{PAH} 0.666 1.399 2.750
U_{min} 2.489 6.915 13.519
{\rm log}_{10}(\gamma_e)\, -3.506 -2.905 -2.016

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.250 -3.283 -2.368
{\rm log}_{10}(\tau_{AGN})\, 1.038 1.458 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.869 -1.513 -1.313
0.03-0.10 Gyr -1.254 -0.806 -0.481
0.10-0.33 Gyr -1.052 -0.734 -0.491
0.33-1.10 Gyr -1.490 -1.085 -0.856
1.10-3.67 Gyr -1.397 -1.101 -0.881
3.67-12.17 Gyr -1.331 -1.091 -0.935
12.17-13.53 Gyr -1.536 -1.047 -0.549