AT2017lm

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Information

Transient

Name: AT2017lm
Right ascension: 3h01m32.37s
Declination: -15d00m57.46s
Discovery Date: None
Classification: SN Ia
Redshift: 0.030170
MW E(B-V): 0.059

Host

Name: AT2017lm
Right ascension: 3h01m32.41s
Declination: -15d01m02.20s
Redshift: 0.047066
Photometric Redshift: 0.031
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.21
Cutout download processed None
Global aperture construction processed 0.62
Local aperture photometry processed 6.08
Global aperture photometry processed 6.26
Validate local photometry processed 0.03
Validate global photometry processed 15.14
Host information processed 0.13
Global host SED inference processed 395.82
Local host SED inference processed 446.6
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 3h01m32.37s, -15d00m57.46s
semi major axis, semi minor axis (arcsec) = 2.17, 2.17
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 14.69 1.83 20.982 0.135 AB
SDSS_g 63.83 2.16 19.387 0.037 AB
DES_g 62.67 0.29 19.407 0.005 AB
PanSTARRS_g 70.5 0.6 19.280 0.009 AB
SDSS_r 100.84 2.79 18.891 0.030 AB
PanSTARRS_r 114.78 0.65 18.750 0.006 AB
DES_r 111.76 0.46 18.779 0.004 AB
SDSS_i 133.12 3.43 18.589 0.028 AB
PanSTARRS_i 142.92 0.84 18.512 0.006 AB
PanSTARRS_z 174.72 1.86 18.294 0.012 AB
SDSS_z 161.3 6.23 18.381 0.042 AB
DES_z 165.55 1.72 18.353 0.011 AB
PanSTARRS_y 207.76 3.86 18.106 0.020 AB

Aperture details

RA, DEC (J2000) = 3h01m32.38s, -15d01m02.51s
semi major axis, semi minor axis (arcsec) = 12.16, 10.82
angle (degrees, anti-clockwise from east) = -145.38

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 120.45 2.65 18.698 0.024 AB
GALEX_NUV 172.77 1.83 18.306 0.012 AB
SDSS_u 434.84 10.06 17.304 0.025 AB
SDSS_g 1256.65 9.78 16.152 0.008 AB
DES_g 1276.78 1.37 16.135 0.001 AB
PanSTARRS_g 1283.84 3.12 16.129 0.003 AB
SDSS_r 1977.88 12.68 15.660 0.007 AB
PanSTARRS_r 2061.92 3.28 15.614 0.002 AB
DES_r 2205.64 2.09 15.541 0.001 AB
SDSS_i 2541.82 15.76 15.387 0.007 AB
PanSTARRS_i 2488.03 4.31 15.410 0.002 AB
PanSTARRS_z 3061.64 9.55 15.185 0.003 AB
SDSS_z 2971.43 31.35 15.218 0.011 AB
DES_z 3161.02 7.64 15.150 0.003 AB
PanSTARRS_y 3654.48 19.6 14.993 0.006 AB
WISE_W1 2728.82 29.87 12.611 0.012 Vega
WISE_W2 1864.87 36.12 12.384 0.021 Vega
WISE_W3 13437.66 161.43 8.405 0.013 Vega
WISE_W4 24718.89 1303.51 6.297 0.057 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})\, 9.020 9.144 9.258
{\rm log}_{10}({\rm SFR}) -1.943 -1.284 -0.769
{\rm log}_{10}({\rm sSFR}) -11.079 -10.424 -9.921
{\rm stellar\ age} 4.743 6.720 8.090

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.483 -0.939 -0.479
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.678 -0.881 0.008

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.149 0.425 0.767
\delta -0.590 -0.180 0.185
\tau_1/\tau_2 0.704 1.026 1.356
Q_{PAH} 0.881 2.745 5.272
U_{min} 3.250 8.313 15.270
{\rm log}_{10}(\gamma_e)\, -2.973 -1.534 -0.356

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.642 -0.902 -0.309
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.612 1.987

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.088 -1.456 -1.032
0.03-0.10 Gyr -2.069 -1.263 -0.668
0.10-0.33 Gyr -1.684 -0.971 -0.480
0.33-1.09 Gyr -1.451 -0.866 -0.458
1.09-3.58 Gyr -1.264 -0.799 -0.558
3.58-11.81 Gyr -1.198 -0.795 -0.591
11.81-13.13 Gyr -1.358 -0.774 -0.247

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.178 10.255 10.314
{\rm log}_{10}({\rm SFR}) 0.505 0.686 0.893
{\rm log}_{10}({\rm sSFR}) -9.784 -9.561 -9.305
{\rm stellar\ age} 4.780 6.022 7.060

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.442 -0.264 -0.133
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.146 0.305 0.418

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.268 0.411 0.600
\delta -0.307 -0.104 0.028
\tau_1/\tau_2 0.714 1.017 1.339
Q_{PAH} 1.081 2.143 3.638
U_{min} 2.800 7.487 13.508
{\rm log}_{10}(\gamma_e)\, -2.180 -1.543 -1.079

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.884 -2.039 -1.585
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.440 1.896

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.300 0.432 0.590
0.03-0.10 Gyr 0.553 0.768 0.998
0.10-0.33 Gyr 0.477 0.713 0.944
0.33-1.09 Gyr 0.170 0.439 0.642
1.09-3.58 Gyr 0.156 0.378 0.557
3.58-11.81 Gyr 0.043 0.273 0.416
11.81-13.13 Gyr -0.191 0.300 0.676