2023ktu results

Information

Transient
Name:2023ktu
Right ascension: 15h45m35.39s
Declination:5d12m57.00s
Discovery Date:None
Classification:SNIa
Redshift:0.067000
MW E(B-V):0.047
Host
Name:SDSSJ154535.39+05125
Right ascension: 15h45m35.52s
Declination:5d12m57.02s
Redshift:None
Photometric Redshift:0.067
 

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: blocked

Task Name Status Time (s)
Cutout download processed 16.68
Transient MWEBV processed 0.04
Host match processed 4.58
Host information processed 0.17
Host MWEBV processed 0.06
Global aperture construction processed 0.63
Global aperture photometry processed 5.97
Validate global photometry processed 16.62
Global host SED inference processed 457.98
Local aperture photometry processed 5.66
Validate local photometry processed 0.03
Local host SED inference processed 464.45
 

Imaging data

 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h45m35.39s, 5d12m57.00s
semi major axis, semi minor axis (arcsec):1.56, 1.56
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 42.96 2.08 19.817 0.052 AB
SDSS_g 100.94 2.68 18.890 0.029 AB
DES_g 104.32 0.56 18.854 0.006 AB
PanSTARRS_g 91.76 0.41 18.993 0.005 AB
SDSS_r 133.54 3.1 18.586 0.025 AB
PanSTARRS_r 116.96 0.42 18.730 0.004 AB
DES_r 150.6 0.89 18.455 0.006 AB
SDSS_i 167.39 3.52 18.341 0.023 AB
PanSTARRS_i 157.07 0.4 18.410 0.003 AB
PanSTARRS_z 177.28 1.2 18.278 0.007 AB
SDSS_z 181.38 5.37 18.254 0.032 AB
DES_z 191.32 2.54 18.196 0.014 AB
PanSTARRS_y 183.21 2.27 18.243 0.013 AB

Aperture details

RA, DEC (J2000):15h45m35.40s, 5d12m57.24s
semi major axis, semi minor axis (arcsec):4.23, 4.09
angle (degrees, anti-clockwise from east):-158.41
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 78.4 4.04 19.164 0.056 AB
SDSS_g 152.22 3.64 18.444 0.026 AB
DES_g 158.62 0.75 18.399 0.005 AB
PanSTARRS_g 154.97 0.98 18.424 0.007 AB
SDSS_r 213.69 4.36 18.076 0.022 AB
PanSTARRS_r 209.07 1.0 18.099 0.005 AB
DES_r 233.95 1.18 17.977 0.005 AB
SDSS_i 274.9 5.17 17.802 0.020 AB
PanSTARRS_i 267.26 0.97 17.833 0.004 AB
PanSTARRS_z 294.11 3.06 17.729 0.011 AB
SDSS_z 319.11 11.9 17.640 0.040 AB
DES_z 307.98 3.42 17.679 0.012 AB
PanSTARRS_y 314.46 5.9 17.656 0.020 AB
2MASS_J 323.51 110.77 16.730 0.372 Vega
2MASS_H 342.83 167.6 16.195 0.531 Vega
2MASS_K 533.66 213.4 15.244 0.434 Vega
WISE_W2 99.17 13.37 15.570 0.146 Vega
WISE_W3 331.1 61.43 12.426 0.201 Vega
WISE_W4 956.76 480.13 9.828 0.545 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.810 9.147 9.339
{\rm log}_{10}({\rm SFR}) -0.482 0.119 0.586
{\rm log}_{10}({\rm sSFR}) -9.742 -9.025 -8.208
{\rm stellar\ age} 0.653 4.298 6.590

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.335 -0.656 -0.202
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.748 -1.337 -0.124

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.152 0.389 0.787
\delta -0.706 -0.297 0.042
\tau_1/\tau_2 0.667 1.048 1.479
Q_{PAH} 0.425 1.696 4.614
U_{min} 3.582 9.223 17.043
{\rm log}_{10}(\gamma_e)\, -3.213 -1.742 -0.433

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.559 -1.315 -0.263
{\rm log}_{10}(\tau_{AGN})\, 0.933 1.335 1.828

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.904 -0.608 -0.334
0.03-0.10 Gyr -0.414 0.257 0.737
0.10-0.33 Gyr -1.215 -0.236 0.239
0.33-1.08 Gyr -2.477 -0.692 -0.265
1.08-3.53 Gyr -2.908 -0.887 -0.452
3.53-11.58 Gyr -3.400 -1.121 -0.629
11.58-12.87 Gyr -3.390 -1.128 -0.403

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.226 9.502 9.673
{\rm log}_{10}({\rm SFR}) -0.353 0.211 0.588
{\rm log}_{10}({\rm sSFR}) -9.933 -9.317 -8.700
{\rm stellar\ age} 3.096 6.083 7.725

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.481 -0.949 -0.548
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.720 -0.381 0.336

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.295 0.470
\delta -0.774 -0.420 0.040
\tau_1/\tau_2 0.541 0.971 1.418
Q_{PAH} 0.615 1.686 3.557
U_{min} 2.947 8.174 15.664
{\rm log}_{10}(\gamma_e)\, -3.316 -2.440 -1.350

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.058 -2.874 -1.988
{\rm log}_{10}(\tau_{AGN})\, 0.945 1.339 1.830

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.728 -0.959 -0.615
0.03-0.10 Gyr -0.230 0.364 0.745
0.10-0.33 Gyr -1.314 -0.071 0.351
0.33-1.08 Gyr -2.240 -0.591 -0.142
1.08-3.53 Gyr -1.623 -0.555 -0.201
3.53-11.58 Gyr -1.620 -0.562 -0.228
11.58-12.87 Gyr -1.644 -0.510 0.148