iPTF17lf

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Information

Transient

Name: iPTF17lf
Right ascension: 3h12m33.59s
Declination: 39d19m14.19s
Discovery Date: None
Classification: Ia
Redshift: 0.014067
MW E(B-V): 0.131

Host

Name: iPTF17lf
Right ascension: 3h12m33.07s
Declination: 39d19m05.88s
Redshift: None
Photometric Redshift: 0.015
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.85
Cutout download processed 13.18
Global aperture construction processed 0.69
Local aperture photometry processed 4.56
Global aperture photometry processed 6.02
Validate local photometry processed 0.02
Validate global photometry processed 14.6
Host information processed 0.15
Global host SED inference processed 493.59
Local host SED inference processed 601.54
Transient information processed 0.0
Transient MWEBV processed 0.05
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) = 3h12m33.59s, 39d19m14.19s
semi major axis, semi minor axis (arcsec) = 6.97, 6.97
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 369.47 8.32 17.481 0.024
SDSS_g 1910.84 11.69 15.697 0.007
PanSTARRS_g 2182.73 2.24 15.553 0.001
SDSS_r 4613.27 18.06 14.740 0.004
PanSTARRS_r 4785.11 2.74 14.700 0.001
SDSS_i 7266.61 23.06 14.247 0.003
PanSTARRS_i 7357.03 2.8 14.233 0.000
PanSTARRS_z 9864.22 5.91 13.915 0.001
SDSS_z 10633.92 34.78 13.833 0.004
PanSTARRS_y 12677.6 15.05 13.642 0.001
2MASS_J 18522.53 160.13 12.336 0.009
2MASS_H 24533.58 220.03 11.558 0.010
WISE_W1 7556.22 53.65 11.505 0.008
WISE_W2 4542.22 50.12 11.418 0.012
WISE_W3 10331.0 112.85 8.691 0.012

Aperture details

RA, DEC (J2000) = 3h12m32.95s, 39d19m07.77s
semi major axis, semi minor axis (arcsec) = 46.75, 18.57
angle (degrees, anti-clockwise from east) = -148.05

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 2140.84 31.45 15.574 0.016
SDSS_g 11008.22 29.44 13.796 0.003
PanSTARRS_g 12317.86 8.65 13.674 0.001
PanSTARRS_r 24453.47 10.71 12.929 0.000
SDSS_i 35168.65 55.53 12.535 0.002
PanSTARRS_i 35169.56 10.79 12.535 0.000
PanSTARRS_z 44878.41 22.93 12.270 0.001
SDSS_z 47316.93 107.33 12.212 0.002
PanSTARRS_y 53437.69 61.25 12.080 0.001
WISE_W1 47201.89 212.94 9.516 0.005
WISE_W2 29370.67 201.65 9.391 0.007
WISE_W3 127728.48 680.26 5.960 0.006
WISE_W4 167534.97 5380.78 4.220 0.035
 

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})\, 9.937 10.052 10.179
{\rm log}_{10}({\rm SFR}) -2.524 -1.420 -0.506
{\rm log}_{10}({\rm sSFR}) -12.691 -11.555 -10.480
{\rm stellar\ age} 6.982 8.250 12.214

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.518 -0.363 -0.236
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.510 0.078 0.335

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.215 0.357 0.565
\delta -0.953 -0.832 -0.591
\tau_1/\tau_2 0.583 0.933 1.319
Q_{PAH} 0.269 1.313 4.178
U_{min} 2.821 8.169 15.078
{\rm log}_{10}(\gamma_e)\, -2.586 -1.567 -0.753

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.424 -3.449 -2.415
{\rm log}_{10}(\tau_{AGN})\, 1.100 1.592 1.986

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.719 -1.466 -0.741
0.03-0.10 Gyr -3.075 -1.626 -0.426
0.10-0.33 Gyr -2.820 -1.354 -0.239
0.33-1.10 Gyr -2.819 -1.155 -0.284
1.10-3.63 Gyr -2.608 -0.491 0.084
3.63-12.03 Gyr -0.761 0.075 0.285
12.03-13.37 Gyr -0.254 0.413 1.266

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.409 10.508 10.653
{\rm log}_{10}({\rm SFR}) -1.180 -0.086 0.692
{\rm log}_{10}({\rm sSFR}) -11.788 -10.606 -9.762
{\rm stellar\ age} 2.769 5.424 7.600

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.681 -0.381 -0.160
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.799 -1.390 -0.158

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.457 0.640 0.844
\delta -0.587 -0.361 0.009
\tau_1/\tau_2 0.508 0.877 1.255
Q_{PAH} 1.326 2.718 5.404
U_{min} 2.368 7.044 14.264
{\rm log}_{10}(\gamma_e)\, -3.541 -2.376 -1.358

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.930 -2.078 -1.617
{\rm log}_{10}(\tau_{AGN})\, 0.902 1.281 1.768

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.055 0.079 0.665
0.03-0.10 Gyr -2.430 -0.285 0.717
0.10-0.33 Gyr -2.148 0.096 0.905
0.33-1.10 Gyr -0.664 0.731 1.049
1.10-3.63 Gyr 0.436 0.808 1.095
3.63-12.03 Gyr -0.626 0.400 0.739
12.03-13.37 Gyr -1.093 0.329 0.963