2007by results

Information

Transient
Name:SN2007by
Right ascension: 15h44m44.08s
Declination:4d28m13.12s
Discovery Date:April 22, 2007, midnight
Classification:SN II
Redshift:None
MW E(B-V):
Host
Name:J154444.49+042807.71
Right ascension: 15h44m44.49s
Declination:4d28m07.71s
Redshift:0.041876
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 23.13
Transient MWEBV processed 0.04
Host match processed 5.52
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.95
Validate global photometry processed 19.55
Global host SED inference processed 371.09
Local aperture photometry processed 6.56
Validate local photometry processed 0.03
Local host SED inference processed 430.93
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h44m44.08s, 4d28m13.12s
semi major axis, semi minor axis (arcsec):2.42, 2.42
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 13.9 2.01 21.043 0.157 AB
SDSS_g 45.02 1.87 19.767 0.045 AB
DES_g 45.47 0.36 19.756 0.008 AB
PanSTARRS_g 45.28 0.68 19.760 0.016 AB
SDSS_r 73.63 2.48 19.232 0.037 AB
PanSTARRS_r 78.61 0.81 19.161 0.011 AB
DES_r 80.82 0.64 19.131 0.009 AB
SDSS_i 101.46 3.11 18.884 0.033 AB
PanSTARRS_i 101.58 0.74 18.883 0.008 AB
PanSTARRS_z 118.31 1.85 18.717 0.017 AB
SDSS_z 108.17 7.95 18.815 0.080 AB
DES_z 123.11 2.1 18.674 0.019 AB
PanSTARRS_y 145.54 3.46 18.493 0.026 AB

Aperture details

RA, DEC (J2000):15h44m44.49s, 4d28m07.86s
semi major axis, semi minor axis (arcsec):16.98, 12.72
angle (degrees, anti-clockwise from east):-32.82
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 95.69 10.52 18.948 0.119 AB
GALEX_NUV 96.33 1.69 18.941 0.019 AB
SDSS_u 405.28 12.02 17.381 0.032 AB
SDSS_g 1214.97 9.99 16.189 0.009 AB
DES_g 1207.18 1.89 16.196 0.002 AB
PanSTARRS_g 1202.42 4.02 16.200 0.004 AB
SDSS_r 2061.42 13.56 15.615 0.007 AB
PanSTARRS_r 2100.47 4.81 15.594 0.002 AB
DES_r 2225.54 3.43 15.531 0.002 AB
SDSS_i 2806.63 17.24 15.280 0.007 AB
PanSTARRS_i 2818.5 4.4 15.275 0.002 AB
PanSTARRS_z 3286.03 11.2 15.108 0.004 AB
SDSS_z 3220.13 47.94 15.130 0.016 AB
DES_z 3514.55 11.44 15.035 0.004 AB
PanSTARRS_y 3983.31 20.9 14.899 0.006 AB
2MASS_J 5532.03 343.45 13.648 0.067 Vega
2MASS_H 5574.1 633.27 13.167 0.123 Vega
2MASS_K 5264.78 618.27 12.759 0.127 Vega
WISE_W1 2757.15 43.04 12.600 0.017 Vega
WISE_W2 1756.72 44.17 12.449 0.027 Vega
WISE_W3 7014.86 180.57 9.111 0.028 Vega
WISE_W4 4495.56 978.62 8.148 0.236 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.712 8.912 9.037
{\rm log}_{10}({\rm SFR}) -1.572 -1.049 -0.547
{\rm log}_{10}({\rm sSFR}) -10.572 -9.987 -9.384
{\rm stellar\ age} 3.642 6.495 8.135

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.643 -1.143 -0.642
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.582 -0.001 0.341

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.289 0.717 1.065
\delta -0.532 -0.182 0.142
\tau_1/\tau_2 0.768 1.088 1.422
Q_{PAH} 0.839 2.596 5.108
U_{min} 3.143 7.887 14.630
{\rm log}_{10}(\gamma_e)\, -3.154 -2.159 -1.219

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.669 -1.846 -0.590
{\rm log}_{10}(\tau_{AGN})\, 0.893 1.386 1.846

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.737 -1.196 -0.825
0.03-0.10 Gyr -1.643 -1.015 -0.442
0.10-0.33 Gyr -1.642 -0.985 -0.473
0.33-1.09 Gyr -1.872 -1.112 -0.666
1.09-3.60 Gyr -1.735 -1.097 -0.809
3.60-11.88 Gyr -1.713 -1.057 -0.826
11.88-13.20 Gyr -1.877 -1.090 -0.494

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.293 10.364 10.446
{\rm log}_{10}({\rm SFR}) -0.245 -0.030 0.172
{\rm log}_{10}({\rm sSFR}) -10.618 -10.388 -10.192
{\rm stellar\ age} 5.917 6.948 7.975

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.836 -0.590 -0.397
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.133 0.267 0.375

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.221 0.336 0.492
\delta -0.027 0.195 0.332
\tau_1/\tau_2 0.547 0.890 1.255
Q_{PAH} 1.291 2.547 4.145
U_{min} 2.676 7.414 14.079
{\rm log}_{10}(\gamma_e)\, -2.814 -2.065 -1.454

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.106 -2.129 -1.625
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.391 1.831

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.133 0.026 0.181
0.03-0.10 Gyr -0.427 -0.061 0.209
0.10-0.33 Gyr -0.424 -0.011 0.269
0.33-1.09 Gyr -0.382 0.076 0.319
1.09-3.60 Gyr 0.212 0.484 0.678
3.60-11.88 Gyr 0.265 0.475 0.616
11.88-13.20 Gyr -0.109 0.439 0.915