ASASSN-15cd

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Information

Transient

Name: ASASSN-15cd
Right ascension: 9h59m15.00s
Declination: 12d59m20.53s
Discovery Date: None
Classification: Ia
Redshift: 0.035539
MW E(B-V): 0.026

Host

Name: ASASSN-15cd
Right ascension: 9h59m14.77s
Declination: 12d59m16.41s
Redshift: 0.034315
Photometric Redshift: 0.021
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.29
Cutout download processed 14.33
Global aperture construction processed 0.91
Local aperture photometry processed 3.9
Global aperture photometry processed 4.36
Validate local photometry processed 0.02
Validate global photometry processed 12.71
Host information processed 0.09
Global host SED inference processed 452.37
Local host SED inference processed 555.15
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.06
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) = 9h59m15.00s, 12d59m20.53s
semi major axis, semi minor axis (arcsec) = 2.93, 2.93
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 73.0 2.77 19.242 0.041 AB
SDSS_g 229.61 4.01 17.998 0.019 AB
PanSTARRS_g 239.26 0.78 17.953 0.004 AB
SDSS_r 313.56 4.74 17.659 0.016 AB
PanSTARRS_r 329.8 0.9 17.604 0.003 AB
SDSS_i 382.9 5.52 17.442 0.016 AB
PanSTARRS_i 384.25 0.91 17.438 0.003 AB
PanSTARRS_z 416.76 1.96 17.350 0.005 AB
SDSS_z 407.02 9.57 17.376 0.026 AB
PanSTARRS_y 465.26 4.88 17.231 0.011 AB
2MASS_J 553.62 55.36 16.147 0.109 Vega
2MASS_H 675.34 97.78 15.459 0.157 Vega
2MASS_K 496.44 99.66 15.323 0.218 Vega

Aperture details

RA, DEC (J2000) = 9h59m14.78s, 12d59m16.40s
semi major axis, semi minor axis (arcsec) = 13.55, 7.8
angle (degrees, anti-clockwise from east) = -142.69

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 245.36 15.36 17.926 0.068 AB
GALEX_NUV 342.09 10.7 17.565 0.034 AB
SDSS_g 2337.72 12.85 15.478 0.006 AB
PanSTARRS_g 2361.75 2.67 15.467 0.001 AB
PanSTARRS_r 3240.58 3.05 15.123 0.001 AB
PanSTARRS_i 4201.76 3.13 14.841 0.001 AB
PanSTARRS_z 4905.51 6.73 14.673 0.001 AB
PanSTARRS_y 5854.32 16.84 14.481 0.003 AB
2MASS_J 6996.62 224.99 13.393 0.035 Vega
2MASS_H 8192.78 394.36 12.749 0.052 Vega
WISE_W1 3546.59 42.48 12.326 0.013 Vega
WISE_W2 2673.56 52.2 11.993 0.021 Vega
WISE_W3 9260.49 197.19 8.809 0.023 Vega
WISE_W4 26842.16 1743.99 6.208 0.071 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})\, 8.965 9.140 9.290
{\rm log}_{10}({\rm SFR}) -1.535 -0.922 -0.484
{\rm log}_{10}({\rm sSFR}) -10.728 -10.096 -9.586
{\rm stellar\ age} 2.805 5.873 7.671

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.779 -1.392 -0.888
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.776 -1.215 -0.241

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.172 0.377 0.665
\delta -0.556 -0.137 0.224
\tau_1/\tau_2 0.721 1.071 1.414
Q_{PAH} 0.745 2.583 5.322
U_{min} 3.061 8.519 15.556
{\rm log}_{10}(\gamma_e)\, -3.169 -1.679 -0.454

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.983 -2.167 -0.922
{\rm log}_{10}(\tau_{AGN})\, 0.946 1.439 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.515 -1.083 -0.732
0.03-0.10 Gyr -1.833 -0.915 -0.375
0.10-0.33 Gyr -1.357 -0.536 -0.056
0.33-1.09 Gyr -1.299 -0.675 -0.299
1.09-3.62 Gyr -1.322 -0.775 -0.491
3.62-11.97 Gyr -1.734 -0.885 -0.592
11.97-13.30 Gyr -1.919 -0.921 -0.359

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.122 10.241 10.373
{\rm log}_{10}({\rm SFR}) 0.261 0.595 0.909
{\rm log}_{10}({\rm sSFR}) -10.084 -9.664 -9.235
{\rm stellar\ age} 6.041 7.319 8.855

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.527 -0.324 -0.157
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.324 -0.534 0.089

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.143 0.275 0.471
\delta -0.656 -0.324 -0.076
\tau_1/\tau_2 0.656 1.005 1.357
Q_{PAH} 0.120 0.393 0.916
U_{min} 2.793 7.249 14.141
{\rm log}_{10}(\gamma_e)\, -3.113 -2.007 -1.378

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.762 -1.511 -1.272
{\rm log}_{10}(\tau_{AGN})\, 1.201 1.473 1.686

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.282 0.088 0.313
0.03-0.10 Gyr 0.307 0.711 1.058
0.10-0.33 Gyr -0.228 0.318 0.698
0.33-1.09 Gyr -0.475 0.034 0.341
1.09-3.62 Gyr -0.368 0.083 0.338
3.62-11.97 Gyr 0.022 0.320 0.494
11.97-13.30 Gyr -0.032 0.461 0.992