ASASSN-15as

Download data

Information

Transient

Name: ASASSN-15as
Right ascension: 9h39m17.00s
Declination: 6d25m48.53s
Discovery Date: None
Classification: Ia
Redshift: 0.029735
MW E(B-V): 0.039

Host

Name: ASASSN-15as
Right ascension: 9h39m16.69s
Declination: 6d25m51.03s
Redshift: 0.028000
Photometric Redshift: 0.151
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.34
Cutout download processed 18.0
Global aperture construction processed 0.87
Local aperture photometry processed 4.91
Global aperture photometry processed 7.43
Validate local photometry processed 0.03
Validate global photometry processed 15.56
Host information processed 0.09
Global host SED inference processed 846.62
Local host SED inference processed 647.9
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) = 9h39m17.00s, 6d25m48.53s
semi major axis, semi minor axis (arcsec) = 3.56, 3.56
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 15.42 2.75 20.930 0.193
SDSS_g 7.02 1.3 21.784 0.202
PanSTARRS_g 1.57 0.78 23.411 0.542
SDSS_r 7.84 2.03 21.665 0.281
PanSTARRS_r 9.49 0.69 21.457 0.079
DES_r 13.19 0.48 21.100 0.040
SDSS_i 17.62 3.55 20.785 0.219
PanSTARRS_i 16.28 1.44 20.871 0.096
PanSTARRS_z 17.62 2.38 20.785 0.147
SDSS_z 25.52 11.77 20.383 0.501
PanSTARRS_y 32.78 5.77 20.111 0.191
2MASS_J -112.79 121.62
2MASS_H 364.52 179.11 16.128 0.533
2MASS_K -358.12 197.44

Aperture details

RA, DEC (J2000) = 9h39m16.69s, 6d25m50.75s
semi major axis, semi minor axis (arcsec) = 7.06, 5.62
angle (degrees, anti-clockwise from east) = -162.77

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 6.34 0.79 21.896 0.135
GALEX_NUV 7.34 0.75 21.736 0.110
SDSS_u 57.75 5.1 19.496 0.096
SDSS_g 36.43 2.54 19.996 0.076
PanSTARRS_g 33.5 1.38 20.087 0.045
SDSS_r 48.03 3.76 19.696 0.085
PanSTARRS_r 51.71 1.19 19.616 0.025
DES_r 54.42 0.87 19.561 0.017
SDSS_i 55.13 6.23 19.546 0.123
PanSTARRS_i 60.69 2.42 19.442 0.043
PanSTARRS_z 64.95 4.07 19.369 0.068
SDSS_z 61.37 20.67 19.430 0.366
PanSTARRS_y 91.05 9.66 19.002 0.115
2MASS_J -54.77 269.8
2MASS_H -192.74 391.78
2MASS_K -894.91 437.9
WISE_W1 85.41 14.23 16.372 0.181
WISE_W2 36.23 18.36 16.663 0.550
WISE_W3 -7.05 111.58
WISE_W4 -497.07 607.85
 

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})\, 7.060 7.555 7.855
{\rm log}_{10}({\rm SFR}) -1.533 -1.110 -0.713
{\rm log}_{10}({\rm sSFR}) -9.343 -8.512 -7.944
{\rm stellar\ age} 0.221 5.123 7.893

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.506 -0.749 -0.014
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.652 -0.302 0.024

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.683 1.190 1.822
\delta 0.020 0.213 0.336
\tau_1/\tau_2 0.697 1.077 1.467
Q_{PAH} 0.480 1.537 3.840
U_{min} 2.918 8.709 16.517
{\rm log}_{10}(\gamma_e)\, -3.223 -2.190 -0.970

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.374 -1.279 -0.189
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.492 1.883

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.896 -1.415 -1.004
0.03-0.10 Gyr -1.613 -1.050 -0.600
0.10-0.33 Gyr -4.669 -2.907 -1.769
0.33-1.10 Gyr -5.946 -3.352 -2.314
1.10-3.64 Gyr -5.642 -3.046 -2.246
3.64-12.04 Gyr -5.501 -2.804 -2.119
12.04-13.38 Gyr -5.580 -2.709 -1.786

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.361 7.767 8.203
{\rm log}_{10}({\rm SFR}) -0.745 -0.491 -0.055
{\rm log}_{10}({\rm sSFR}) -8.667 -8.017 -7.914
{\rm stellar\ age} 0.064 1.013 6.970

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.591 -0.946 -0.071
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.179 0.350 0.452

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.457 0.844 1.362
\delta -0.275 -0.057 0.077
\tau_1/\tau_2 0.450 0.987 1.562
Q_{PAH} 0.478 1.737 3.677
U_{min} 3.664 10.494 18.254
{\rm log}_{10}(\gamma_e)\, -3.351 -2.165 -1.006

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.991 -2.387 -1.188
{\rm log}_{10}(\tau_{AGN})\, 0.969 1.369 1.824

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.834 -1.317 -0.943
0.03-0.10 Gyr -0.619 -0.351 0.096
0.10-0.33 Gyr -4.643 -3.486 -1.936
0.33-1.10 Gyr -7.857 -5.423 -2.802
1.10-3.64 Gyr -8.837 -4.527 -2.352
3.64-12.04 Gyr -8.929 -4.002 -2.041
12.04-13.38 Gyr -8.830 -3.674 -1.560