1981K results

Information

Transient
Name:SN1981K
Right ascension: 12h18m59.46s
Declination:47d19m31.12s
Discovery Date:Nov. 3, 1981, midnight
Classification:SN II
Redshift:None
MW E(B-V):0.014
Host
Name:NGC4258
Right ascension: 12h18m57.62s
Declination:47d18m13.39s
Redshift:0.001745
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_z
 DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.11
Transient MWEBV processed 0.04
Host match processed 5.8
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.43
Validate global photometry processed 19.06
Global host SED inference processed 574.23
Local aperture photometry processed 6.19
Validate local photometry processed 0.03
Local host SED inference processed 477.27
 

Imaging data


 

Spectral Energy Distribution


Warning: possible contaminating objects in the global aperture

 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h18m59.46s, 47d19m31.12s
semi major axis, semi minor axis (arcsec):55.33, 55.33
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5228.62 21.3 14.604 0.004 AB
GALEX_NUV 7101.86 32.74 14.272 0.005 AB
SDSS_u 13882.56 75.79 13.544 0.006 AB
SDSS_g 36466.46 155.28 12.495 0.005 AB
DES_g 38061.29 96.4 12.449 0.003 AB
PanSTARRS_g 43687.34 85.41 12.299 0.002 AB
SDSS_r 62644.2 268.37 11.908 0.005 AB
PanSTARRS_r 78066.64 150.06 11.669 0.002 AB
SDSS_i 79424.5 362.91 11.650 0.005 AB
PanSTARRS_i 89489.94 193.34 11.521 0.002 AB
PanSTARRS_z 103517.2 228.84 11.362 0.002 AB
SDSS_z 105245.43 483.75 11.344 0.005 AB
DES_z 81089.88 265.68 11.628 0.004 AB
PanSTARRS_y 126716.85 276.02 11.143 0.002 AB
2MASS_J 170816.61 1526.98 9.924 0.010 Vega
2MASS_H 178013.12 2409.14 9.406 0.015 Vega
2MASS_K 164769.44 2149.96 9.020 0.014 Vega
WISE_W1 86188.27 6912.62 8.862 0.087 Vega
WISE_W2 52331.06 4574.54 8.764 0.095 Vega
WISE_W3 181490.55 13190.74 5.579 0.079 Vega
WISE_W4 327311.94 36100.08 3.493 0.120 Vega

Aperture details

RA, DEC (J2000):12h18m57.84s, 47d18m14.42s
semi major axis, semi minor axis (arcsec):64.48, 30.22
angle (degrees, anti-clockwise from east):-36.48
Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5119.55 20.34 14.627 0.004 AB
GALEX_NUV 8551.35 28.77 14.070 0.004 AB
SDSS_u 30876.2 76.59 12.676 0.003 AB
SDSS_g 122561.17 174.37 11.179 0.002 AB
DES_g 114442.1 103.63 11.254 0.001 AB
PanSTARRS_g 136861.63 87.77 11.059 0.001 AB
SDSS_r 252283.0 311.7 10.395 0.001 AB
PanSTARRS_r 267822.57 154.66 10.330 0.001 AB
SDSS_i 356532.54 442.39 10.020 0.001 AB
PanSTARRS_i 394478.73 213.07 9.910 0.001 AB
PanSTARRS_z 467467.14 250.57 9.726 0.001 AB
SDSS_z 492699.64 567.2 9.669 0.001 AB
DES_z 390834.22 452.46 9.920 0.001 AB
PanSTARRS_y 609220.53 308.84 9.438 0.001 AB
2MASS_J 770459.63 1250.4 8.288 0.002 Vega
2MASS_H 939013.69 1952.61 7.601 0.002 Vega
2MASS_K 776487.28 1739.45 7.337 0.002 Vega
WISE_W1 380177.32 7767.77 7.251 0.022 Vega
WISE_W2 236669.94 5137.95 7.126 0.024 Vega
WISE_W3 402298.46 11160.74 4.715 0.030 Vega
WISE_W4 526599.36 32408.36 2.976 0.067 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.188 9.250 9.327
{\rm log}_{10}({\rm SFR}) -0.922 -0.747 -0.584
{\rm log}_{10}({\rm sSFR}) -10.173 -9.998 -9.838
{\rm stellar\ age} 7.853 8.799 11.244

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.367 -1.056 -0.766
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.860 -1.632 -1.332

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.599 0.784 0.944
\delta 0.243 0.316 0.374
\tau_1/\tau_2 0.718 1.068 1.417
Q_{PAH} 0.158 0.536 1.414
U_{min} 2.441 7.638 15.397
{\rm log}_{10}(\gamma_e)\, -3.625 -3.163 -2.559

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.530 -3.651 -2.654
{\rm log}_{10}(\tau_{AGN})\, 0.980 1.476 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.886 -0.712 -0.561
0.03-0.10 Gyr -1.028 -0.764 -0.547
0.10-0.33 Gyr -1.820 -1.281 -0.937
0.33-1.10 Gyr -2.159 -1.619 -1.266
1.10-3.67 Gyr -2.149 -1.439 -1.005
3.67-12.18 Gyr -1.050 -0.641 -0.528
12.18-13.54 Gyr -0.744 -0.242 0.305

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.900 9.963 10.051
{\rm log}_{10}({\rm SFR}) -0.949 -0.673 -0.417
{\rm log}_{10}({\rm sSFR}) -10.933 -10.626 -10.372
{\rm stellar\ age} 8.296 10.493 12.656

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.928 -0.673 -0.453
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.129 0.277 0.403

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.548 0.717 0.891
\delta -0.057 0.056 0.150
\tau_1/\tau_2 0.291 0.649 1.053
Q_{PAH} 0.108 0.346 0.719
U_{min} 2.024 5.492 11.597
{\rm log}_{10}(\gamma_e)\, -3.772 -3.396 -2.855

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.856 -2.811 -2.148
{\rm log}_{10}(\tau_{AGN})\, 0.933 1.228 1.706

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.841 -0.555 -0.316
0.03-0.10 Gyr -1.747 -0.792 -0.386
0.10-0.33 Gyr -2.968 -1.324 -0.776
0.33-1.10 Gyr -3.898 -1.588 -0.992
1.10-3.67 Gyr -3.392 -1.422 -0.761
3.67-12.18 Gyr -1.415 -0.094 0.154
12.18-13.54 Gyr 0.065 0.813 1.148