ASASSN-15ga

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Information

Transient

Name: ASASSN-15ga
Right ascension: 12h59m27.00s
Declination: 14d10m15.79s
Discovery Date: None
Classification: Ia-91bg
Redshift: 0.007629
MW E(B-V): 0.024

Host

Name: ASASSN-15ga
Right ascension: 12h59m27.10s
Declination: 14d10m14.88s
Redshift: None
Photometric Redshift:
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.72
Cutout download processed 14.67
Global aperture construction processed 1.47
Local aperture photometry processed 4.74
Global aperture photometry processed 6.49
Validate local photometry processed 0.02
Validate global photometry processed 34.17
Host information processed 0.08
Global host SED inference processed 735.99
Local host SED inference processed 766.37
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.1
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) = 12h59m27.00s, 14d10m15.79s
semi major axis, semi minor axis (arcsec) = 12.74, 12.74
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 46.2 6.72 19.738 0.158
GALEX_NUV 140.95 4.78 18.527 0.037
SDSS_u 3667.61 19.95 14.989 0.006
SDSS_g 21186.21 39.87 13.085 0.002
PanSTARRS_g 19307.94 7.83 13.186 0.000
SDSS_r 47020.87 64.09 12.219 0.001
PanSTARRS_r 47622.32 12.43 12.205 0.000
SDSS_i 70875.0 83.2 11.774 0.001
PanSTARRS_i 70083.81 17.78 11.786 0.000
PanSTARRS_z 93436.93 25.46 11.474 0.000
SDSS_z 100421.14 113.36 11.395 0.001
PanSTARRS_y 116028.02 36.24 11.239 0.000
2MASS_J 144670.17 270.29 10.104 0.002
2MASS_H 179664.12 441.24 9.396 0.003
2MASS_K 148339.76 447.01 9.134 0.003
WISE_W1 50377.28 646.11 9.445 0.014
WISE_W2 25809.95 331.59 9.532 0.014
WISE_W3 8069.47 191.99 8.959 0.026
WISE_W4 2898.2 630.01 8.625 0.236

Aperture details

RA, DEC (J2000) = 12h59m27.06s, 14d10m15.08s
semi major axis, semi minor axis (arcsec) = 74.28, 29.15
angle (degrees, anti-clockwise from east) = -89.72

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 259.01 15.92 17.867 0.067
GALEX_NUV 479.56 12.8 17.198 0.029
SDSS_g 57505.94 75.85 12.001 0.001
PanSTARRS_g 67497.79 25.35 11.827 0.000
PanSTARRS_r 134757.75 39.36 11.076 0.000
SDSS_i 172596.09 183.95 10.807 0.001
PanSTARRS_z 252171.9 82.51 10.396 0.000
SDSS_z 263937.89 282.66 10.346 0.001
PanSTARRS_y 308991.05 119.97 10.175 0.000
WISE_W1 175740.35 2449.74 8.089 0.015
WISE_W2 96489.17 1301.95 8.100 0.015
WISE_W3 31301.11 845.31 7.487 0.029
WISE_W4 18016.77 3085.81 6.641 0.186
 

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})\, 10.467 10.576 10.622
{\rm log}_{10}({\rm SFR}) -2.250 -1.546 -0.989
{\rm log}_{10}({\rm sSFR}) -12.792 -12.045 -11.523
{\rm stellar\ age} 8.808 12.217 12.764

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.581 -0.405 -0.273
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.043 -0.201 0.288

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.182 0.266 0.371
\delta -0.957 -0.850 -0.695
\tau_1/\tau_2 0.504 0.876 1.242
Q_{PAH} 0.199 0.678 1.432
U_{min} 2.998 8.321 15.498
{\rm log}_{10}(\gamma_e)\, -3.432 -2.569 -1.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.644 -3.870 -2.890
{\rm log}_{10}(\tau_{AGN})\, 1.130 1.642 2.020

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.502 -1.613 -0.922
0.03-0.10 Gyr -2.893 -1.731 -1.071
0.10-0.33 Gyr -3.324 -1.781 -1.077
0.33-1.10 Gyr -4.162 -1.954 -1.071
1.10-3.65 Gyr -4.051 -2.153 -0.759
3.65-12.11 Gyr -1.914 -0.108 0.648
12.11-13.45 Gyr 0.904 1.653 1.738

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.926 11.002 11.030
{\rm log}_{10}({\rm SFR}) -2.552 -1.924 -1.474
{\rm log}_{10}({\rm sSFR}) -13.566 -12.929 -12.451
{\rm stellar\ age} 10.148 12.696 12.778

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.369 -0.250 -0.115
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.391 -0.530 0.151

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.042 0.103 0.175
\delta -0.772 -0.386 -0.022
\tau_1/\tau_2 0.521 0.927 1.366
Q_{PAH} 0.318 0.926 2.136
U_{min} 3.086 8.446 16.054
{\rm log}_{10}(\gamma_e)\, -3.087 -2.271 -1.403

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.643 -3.996 -3.126
{\rm log}_{10}(\tau_{AGN})\, 1.039 1.547 1.942

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.678 -1.916 -1.475
0.03-0.10 Gyr -3.750 -2.095 -1.428
0.10-0.33 Gyr -4.546 -2.288 -1.435
0.33-1.10 Gyr -4.985 -2.519 -1.450
1.10-3.65 Gyr -3.742 -1.973 -0.818
3.65-12.11 Gyr -2.053 -0.592 0.961
12.11-13.45 Gyr 1.710 2.116 2.153