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
SDSS_u 73.0 2.77 19.242 0.041
SDSS_g 229.61 4.01 17.998 0.019
PanSTARRS_g 239.26 0.78 17.953 0.004
SDSS_r 313.56 4.74 17.659 0.016
PanSTARRS_r 329.8 0.9 17.604 0.003
SDSS_i 382.9 5.52 17.442 0.016
PanSTARRS_i 384.25 0.91 17.438 0.003
PanSTARRS_z 416.76 1.96 17.350 0.005
SDSS_z 407.02 9.57 17.376 0.026
PanSTARRS_y 465.26 4.88 17.231 0.011
2MASS_J 553.62 55.36 16.147 0.109
2MASS_H 675.34 97.78 15.459 0.157
2MASS_K 496.44 99.66 15.323 0.218

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
GALEX_FUV 245.36 15.36 17.926 0.068
GALEX_NUV 342.09 10.7 17.565 0.034
SDSS_g 2337.72 12.85 15.478 0.006
PanSTARRS_g 2361.75 2.67 15.467 0.001
PanSTARRS_r 3240.58 3.05 15.123 0.001
PanSTARRS_i 4201.76 3.13 14.841 0.001
PanSTARRS_z 4905.51 6.73 14.673 0.001
PanSTARRS_y 5854.32 16.84 14.481 0.003
2MASS_J 6996.62 224.99 13.393 0.035
2MASS_H 8192.78 394.36 12.749 0.052
WISE_W1 3546.59 42.48 12.326 0.013
WISE_W2 2673.56 52.2 11.993 0.021
WISE_W3 9260.49 197.19 8.809 0.023
WISE_W4 26842.16 1743.99 6.208 0.071
 

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