1997dc

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Information

Transient

Name: 1997dc
Right ascension: 23h28m28.41s
Declination: 22d25m23.02s
Discovery Date: None
Classification: SNIb
Redshift: 0.011491
MW E(B-V): 0.042

Host

Name: 23282789+2225162
Right ascension: 23h28m27.89s
Declination: 22d25m16.26s
Redshift: 0.011779
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 20.03
Transient MWEBV processed 0.04
Host match processed 4.44
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 7.66
Validate global photometry processed 19.09
Global host SED inference processed 409.36
Local aperture photometry processed 6.81
Validate local photometry processed 0.03
Local host SED inference processed 834.27
 

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) = 23h28m28.41s, 22d25m23.02s
semi major axis, semi minor axis (arcsec) = 8.3, 8.3
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 74.11 7.19 19.225 0.105 AB
GALEX_NUV 142.08 6.06 18.519 0.046 AB
SDSS_u 428.19 9.81 17.321 0.025 AB
SDSS_g 1611.53 16.82 15.882 0.011 AB
DES_g 1695.1 6.5 15.827 0.004 AB
PanSTARRS_g 1722.65 5.1 15.810 0.003 AB
SDSS_r 3027.32 25.4 15.197 0.009 AB
PanSTARRS_r 3283.75 7.78 15.109 0.003 AB
DES_r 3364.57 11.71 15.083 0.004 AB
SDSS_i 4614.06 32.4 14.740 0.008 AB
PanSTARRS_i 4623.56 10.02 14.738 0.002 AB
PanSTARRS_z 5626.55 13.15 14.524 0.003 AB
SDSS_z 5875.36 45.0 14.477 0.008 AB
DES_z 6044.3 20.67 14.447 0.004 AB
PanSTARRS_y 6227.72 22.16 14.414 0.004 AB
2MASS_J 9486.83 202.49 13.062 0.023 Vega
2MASS_H 11606.18 327.23 12.371 0.031 Vega
2MASS_K 10007.18 320.78 12.061 0.035 Vega
WISE_W1 3413.38 237.3 12.368 0.075 Vega
WISE_W3 13926.25 1571.63 8.366 0.123 Vega

Aperture details

RA, DEC (J2000) = 23h28m27.86s, 22d25m19.43s
semi major axis, semi minor axis (arcsec) = 60.5, 52.56
angle (degrees, anti-clockwise from east) = -178.79

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 2645.02 41.85 15.344 0.017 AB
GALEX_NUV 3993.48 32.1 14.897 0.009 AB
SDSS_u 9838.75 55.72 13.918 0.006 AB
SDSS_g 27691.71 69.92 12.794 0.003 AB
DES_g 31085.77 29.55 12.669 0.001 AB
PanSTARRS_g 30333.49 26.45 12.695 0.001 AB
SDSS_r 45849.25 105.56 12.247 0.002 AB
PanSTARRS_r 50278.59 39.91 12.147 0.001 AB
DES_r 52813.35 52.55 12.093 0.001 AB
SDSS_i 60398.36 136.6 11.947 0.002 AB
PanSTARRS_i 62769.85 51.66 11.906 0.001 AB
PanSTARRS_z 68769.08 72.06 11.807 0.001 AB
SDSS_z 71963.52 226.23 11.757 0.003 AB
DES_z 92952.84 86.34 11.479 0.001 AB
PanSTARRS_y 74369.99 121.46 11.722 0.002 AB
2MASS_J 107164.18 1364.66 10.430 0.014 Vega
2MASS_H 127853.87 2214.76 9.766 0.019 Vega
2MASS_K 111025.12 2174.15 9.449 0.021 Vega
WISE_W1 66638.45 1607.86 9.142 0.026 Vega
WISE_W3 258705.6 10565.78 5.194 0.044 Vega
WISE_W4 570085.64 36036.93 2.890 0.069 Vega
 

Imaging data

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Spectral Energy Distribution

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Warning: possible contaminating objects in the global aperture

Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.641 9.732 9.801
{\rm log}_{10}({\rm SFR}) -0.868 -0.473 -0.095
{\rm log}_{10}({\rm sSFR}) -10.604 -10.193 -9.840
{\rm stellar\ age} 8.801 12.190 12.654

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.357 -0.991 -0.696
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.824 -0.336 0.364

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.338 0.544 0.736
\delta -0.396 -0.201 -0.023
\tau_1/\tau_2 0.491 1.024 1.500
Q_{PAH} 0.116 0.429 1.105
U_{min} 2.685 8.121 16.299
{\rm log}_{10}(\gamma_e)\, -3.452 -2.623 -1.430

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.621 -1.121 -0.878
{\rm log}_{10}(\tau_{AGN})\, 1.479 1.665 1.838

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.565 -1.782 -1.040
0.03-0.10 Gyr -0.744 -0.324 0.056
0.10-0.33 Gyr -4.053 -2.008 -0.888
0.33-1.10 Gyr -6.083 -3.286 -1.547
1.10-3.64 Gyr -5.475 -3.365 -1.666
3.64-12.06 Gyr -2.795 -1.008 -0.166
12.06-13.40 Gyr 0.083 0.825 0.924

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.484 10.549 10.615
{\rm log}_{10}({\rm SFR}) 0.722 0.951 1.174
{\rm log}_{10}({\rm sSFR}) -9.855 -9.603 -9.360
{\rm stellar\ age} 6.385 7.288 8.380

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.751 -0.534 -0.362
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.948 -1.857 -1.743

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.402 0.593 0.806
\delta -0.209 -0.051 0.042
\tau_1/\tau_2 0.588 0.958 1.331
Q_{PAH} 0.347 0.827 1.518
U_{min} 2.495 6.639 12.959
{\rm log}_{10}(\gamma_e)\, -3.588 -2.982 -2.129

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.623 -1.559 -1.262
{\rm log}_{10}(\tau_{AGN})\, 1.189 1.414 1.671

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.639 0.794 0.969
0.03-0.10 Gyr 0.734 1.007 1.254
0.10-0.33 Gyr 0.208 0.620 0.927
0.33-1.10 Gyr -0.035 0.293 0.548
1.10-3.64 Gyr 0.182 0.483 0.686
3.64-12.06 Gyr 0.473 0.647 0.765
12.06-13.40 Gyr 0.375 0.755 1.162