1997Y results

Information

Transient
Name:SN1997Y
Right ascension: 12h45m31.40s
Declination:54d44m17.02s
Discovery Date:Feb. 2, 1997, midnight
Classification:SN Ia
Redshift:None
MW E(B-V):0.014
Host
Name:NGC4675
Right ascension: 12h45m31.92s
Declination:54d44m15.19s
Redshift:0.015694
Photometric Redshift:None
 

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
GALEX_NUV
GALEX_FUV
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.35
Transient MWEBV processed 0.05
Host match processed 3.99
Host information processed 0.06
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 5.43
Validate global photometry processed 15.18
Global host SED inference processed 408.18
Local aperture photometry processed 6.06
Validate local photometry processed 0.02
Local host SED inference processed 1157.75
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h45m31.40s, 54d44m17.02s
semi major axis, semi minor axis (arcsec):6.26, 6.26
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 316.12 6.16 17.650 0.021 AB
SDSS_g 1546.16 10.36 15.927 0.007 AB
PanSTARRS_g 1696.21 1.53 15.826 0.001 AB
SDSS_r 3512.66 15.65 15.036 0.005 AB
PanSTARRS_r 3601.98 2.13 15.009 0.001 AB
SDSS_i 5370.85 19.43 14.575 0.004 AB
PanSTARRS_i 5422.64 2.54 14.564 0.001 AB
PanSTARRS_z 6912.16 4.62 14.301 0.001 AB
SDSS_z 7619.98 27.45 14.195 0.004 AB
PanSTARRS_y 8915.26 11.38 14.025 0.001 AB
2MASS_J 11577.82 122.74 12.846 0.012 Vega
2MASS_H 15896.89 189.47 12.029 0.013 Vega
2MASS_K 14589.66 227.83 11.652 0.017 Vega
WISE_W1 4135.74 28.21 12.160 0.007 Vega

Aperture details

RA, DEC (J2000):12h45m31.96s, 54d44m15.52s
semi major axis, semi minor axis (arcsec):50.42, 12.88
angle (degrees, anti-clockwise from east):-94.24
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 1283.53 19.73 16.129 0.017 AB
SDSS_g 5826.43 21.11 14.486 0.004 AB
PanSTARRS_g 6193.96 5.44 14.420 0.001 AB
SDSS_r 11379.83 30.05 13.760 0.003 AB
SDSS_i 16291.01 36.84 13.370 0.002 AB
PanSTARRS_i 16211.41 9.09 13.375 0.001 AB
SDSS_z 21835.66 73.73 13.052 0.004 AB
PanSTARRS_y 25112.5 45.19 12.900 0.002 AB
2MASS_J 32361.12 486.97 11.730 0.016 Vega
2MASS_H 42035.15 765.75 10.973 0.020 Vega
2MASS_K 36621.66 925.72 10.653 0.027 Vega
WISE_W1 20155.8 80.85 10.440 0.004 Vega
WISE_W2 13603.75 91.39 10.227 0.007 Vega
WISE_W3 62437.0 317.98 6.737 0.006 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.882 9.985 10.104
{\rm log}_{10}({\rm SFR}) -2.443 -1.265 -0.167
{\rm log}_{10}({\rm sSFR}) -12.614 -11.287 -10.065
{\rm stellar\ age} 7.844 9.468 12.804

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.601 -0.403 -0.240
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.330 0.127 0.342

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.255 0.444 0.716
\delta -0.971 -0.883 -0.720
\tau_1/\tau_2 0.535 0.909 1.291
Q_{PAH} 0.112 0.417 1.120
U_{min} 2.571 7.911 15.176
{\rm log}_{10}(\gamma_e)\, -3.542 -2.722 -1.412

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.830 -1.954 -1.287
{\rm log}_{10}(\tau_{AGN})\, 1.240 1.582 1.883

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.593 -1.392 -0.719
0.03-0.10 Gyr -3.034 -1.359 -0.041
0.10-0.33 Gyr -3.255 -1.427 -0.462
0.33-1.10 Gyr -3.959 -1.601 -0.713
1.10-3.67 Gyr -3.916 -1.391 -0.303
3.67-12.19 Gyr -1.828 -0.070 0.177
12.19-13.55 Gyr -0.178 0.633 1.215

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.290 10.383 10.476
{\rm log}_{10}({\rm SFR}) -0.686 0.062 0.586
{\rm log}_{10}({\rm sSFR}) -11.155 -10.340 -9.761
{\rm stellar\ age} 6.336 7.585 8.812

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.334 -0.163 -0.025
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.744 -1.247 -0.085

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.414 0.648 0.878
\delta -0.581 -0.339 0.163
\tau_1/\tau_2 0.649 0.996 1.362
Q_{PAH} 0.652 1.462 3.114
U_{min} 2.593 7.108 14.024
{\rm log}_{10}(\gamma_e)\, -3.307 -2.290 -1.402

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.907 -1.458 -0.965
{\rm log}_{10}(\tau_{AGN})\, 1.395 1.773 2.030

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.656 0.050 0.402
0.03-0.10 Gyr -0.880 -0.037 0.678
0.10-0.33 Gyr -0.869 -0.038 0.498
0.33-1.10 Gyr -0.685 -0.030 0.350
1.10-3.67 Gyr -0.129 0.297 0.580
3.67-12.19 Gyr 0.234 0.474 0.634
12.19-13.55 Gyr 0.038 0.545 1.029