1991bs results

Information

Transient
Name:AT1991bs
Right ascension: 0h48m36.36s
Declination:-12d42m47.50s
Discovery Date:Sept. 6, 1991, 3:45 p.m.
Classification:None
Redshift:None
MW E(B-V):0.020
Host
Name:1991bs
Right ascension: 0h48m35.45s
Declination:-12d43m00.12s
Redshift:0.021088
Photometric Redshift:0.014
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 4.65
Transient MWEBV processed 0.16
Host match processed 0.84
Host information processed 0.09
Host MWEBV processed 0.15
Host spectrum download not processed None
Global aperture construction processed 0.74
Global aperture photometry processed 4.29
Validate global photometry processed 11.89
Global host SED inference processed 529.93
Local aperture photometry processed 4.08
Validate local photometry processed 0.02
Local host SED inference processed 597.54
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.618 8.780 8.889
{\rm log}_{10}({\rm SFR}) -1.047 -0.699 -0.373
{\rm log}_{10}({\rm sSFR}) -9.814 -9.484 -9.125
{\rm stellar\ age} 4.613 7.083 9.085

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.813 -1.425 -0.805
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.577 -0.161 0.303

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.161 0.605 1.032
\delta 0.000 0.254 0.358
\tau_1/\tau_2 0.703 1.085 1.496
Q_{PAH} 0.803 2.177 4.226
U_{min} 2.724 8.493 15.716
{\rm log}_{10}(\gamma_e)\, -3.488 -2.456 -1.226

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.183 -2.445 -0.658
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.475 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.906 -1.433 -1.029
0.03-0.10 Gyr -0.926 -0.568 -0.238
0.10-0.33 Gyr -1.740 -0.965 -0.465
0.33-1.10 Gyr -2.588 -1.487 -1.016
1.10-3.65 Gyr -2.400 -1.424 -1.011
3.65-12.13 Gyr -1.962 -1.210 -0.988
12.13-13.48 Gyr -2.032 -1.131 -0.441

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.731 10.008 10.232
{\rm log}_{10}({\rm SFR}) 0.639 0.914 1.162
{\rm log}_{10}({\rm sSFR}) -9.456 -9.099 -8.658
{\rm stellar\ age} 3.180 6.535 8.560

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.994 -0.508 -0.200
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.795 -1.388 -0.080

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.063 0.134 0.293
\delta -0.560 -0.044 0.278
\tau_1/\tau_2 0.422 0.845 1.305
Q_{PAH} 0.570 1.716 3.440
U_{min} 2.709 7.620 14.997
{\rm log}_{10}(\gamma_e)\, -3.481 -2.190 -1.465

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.550 -2.392 -1.665
{\rm log}_{10}(\tau_{AGN})\, 1.004 1.473 1.907

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.118 0.422 0.658
0.03-0.10 Gyr 0.697 1.028 1.305
0.10-0.33 Gyr -0.668 0.295 0.845
0.33-1.10 Gyr -1.090 -0.207 0.270
1.10-3.65 Gyr -0.976 -0.159 0.169
3.65-12.13 Gyr -0.930 -0.029 0.339
12.13-13.48 Gyr -0.996 0.096 0.766
 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h48m36.36s, -12d42m47.50s
semi major axis, semi minor axis (arcsec):4.69, 4.69
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 45.85 1.76 19.747 0.042 AB
PanSTARRS_g 205.21 1.1 18.120 0.006 AB
PanSTARRS_r 280.14 1.28 17.782 0.005 AB
PanSTARRS_i 328.49 1.57 17.609 0.005 AB
PanSTARRS_z 351.86 2.92 17.534 0.009 AB
PanSTARRS_y 411.32 8.08 17.365 0.021 AB
2MASS_J 270.33 108.06 16.925 0.434 Vega
2MASS_H 678.9 183.66 15.453 0.294 Vega
2MASS_K 245.77 185.57 16.086 0.820 Vega

Aperture details

RA, DEC (J2000):0h48m35.46s, -12d43m00.24s
semi major axis, semi minor axis (arcsec):22.21, 17.05
angle (degrees, anti-clockwise from east):-176.9
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2946.41 14.08 15.227 0.005 AB
GALEX_NUV 3645.39 8.87 14.996 0.003 AB
PanSTARRS_g 10423.67 4.87 13.855 0.001 AB
PanSTARRS_r 12129.72 5.58 13.690 0.000 AB
2MASS_J 14595.7 453.96 12.595 0.034 Vega
2MASS_H 17209.42 769.25 11.943 0.049 Vega
2MASS_K 13364.89 778.15 11.747 0.063 Vega
WISE_W3 29500.55 306.86 7.551 0.011 Vega