1991bt results

Information

Transient
Name:AT1991bt
Right ascension: 0h46m00.31s
Declination:-12d42m08.30s
Discovery Date:Sept. 6, 1991, 3:45 p.m.
Classification:None
Redshift:None
MW E(B-V):0.021
Host
Name:
Right ascension: 0h46m00.31s
Declination:-12d42m00.95s
Redshift:None
Photometric Redshift:0.058
 

Cutout Download Report

Downloaded Unavailable
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
DES_g
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.53
Transient MWEBV processed 0.04
Host match processed 5.65
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 4.95
Validate global photometry processed 13.67
Global host SED inference processed 392.4
Local aperture photometry processed 5.14
Validate local photometry processed 0.02
Local host SED inference processed 431.06
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h46m00.31s, -12d42m08.30s
semi major axis, semi minor axis (arcsec):1.79, 1.79
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 15.06 0.28 20.956 0.020 AB
PanSTARRS_g 13.35 0.39 21.086 0.032 AB
PanSTARRS_r 21.23 0.68 20.583 0.035 AB
DES_r 24.15 0.53 20.443 0.024 AB
PanSTARRS_i 25.33 0.64 20.391 0.027 AB
PanSTARRS_z 29.19 1.15 20.237 0.043 AB
DES_z 35.51 1.49 20.024 0.046 AB
PanSTARRS_y 30.43 3.15 20.192 0.112 AB

Aperture details

RA, DEC (J2000):0h46m00.29s, -12d42m00.72s
semi major axis, semi minor axis (arcsec):13.42, 6.86
angle (degrees, anti-clockwise from east):-7.02
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 43.65 4.72 19.800 0.117 AB
GALEX_NUV 71.03 3.62 19.271 0.055 AB
DES_g 611.96 1.72 16.933 0.003 AB
PanSTARRS_g 608.67 2.1 16.939 0.004 AB
PanSTARRS_r 995.22 3.66 16.405 0.004 AB
DES_r 1095.07 3.39 16.301 0.003 AB
PanSTARRS_i 1339.92 3.43 16.082 0.003 AB
PanSTARRS_z 1575.33 6.14 15.907 0.004 AB
DES_z 1667.88 9.95 15.845 0.006 AB
PanSTARRS_y 1861.55 16.59 15.725 0.010 AB
2MASS_J 2396.72 229.33 14.556 0.104 Vega
2MASS_H 2448.95 392.13 14.060 0.174 Vega
2MASS_K 1950.73 412.48 13.837 0.230 Vega
WISE_W1 1136.53 28.1 13.562 0.027 Vega
WISE_W2 650.7 35.8 13.528 0.060 Vega
WISE_W3 2154.65 116.96 10.393 0.059 Vega
WISE_W4 2804.25 649.43 8.660 0.251 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.200 8.425 8.569
{\rm log}_{10}({\rm SFR}) -1.880 -1.306 -0.739
{\rm log}_{10}({\rm sSFR}) -10.342 -9.721 -9.020
{\rm stellar\ age} 2.749 5.509 7.028

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.344 -0.551 -0.100
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.762 -1.114 0.175

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.193 0.523 0.869
\delta -0.643 -0.276 0.067
\tau_1/\tau_2 0.693 1.045 1.397
Q_{PAH} 1.135 3.163 5.698
U_{min} 3.005 8.133 15.113
{\rm log}_{10}(\gamma_e)\, -2.611 -1.475 -0.500

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.377 -0.414 0.118
{\rm log}_{10}(\tau_{AGN})\, 1.095 1.633 1.945

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.901 -1.435 -0.988
0.03-0.10 Gyr -2.004 -1.304 -0.641
0.10-0.33 Gyr -1.913 -1.294 -0.777
0.33-1.08 Gyr -1.913 -1.327 -0.947
1.08-3.55 Gyr -2.098 -1.462 -1.211
3.55-11.69 Gyr -2.369 -1.619 -1.334
11.69-12.99 Gyr -2.589 -1.677 -1.141

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.283 10.329 10.392
{\rm log}_{10}({\rm SFR}) -0.156 0.089 0.370
{\rm log}_{10}({\rm sSFR}) -10.493 -10.243 -9.946
{\rm stellar\ age} 7.032 7.712 9.397

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.692 -0.469 -0.300
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.474 0.120 0.382

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.135 0.220 0.355
\delta -0.636 -0.260 0.063
\tau_1/\tau_2 0.717 1.083 1.445
Q_{PAH} 0.872 2.306 4.455
U_{min} 2.559 7.704 14.613
{\rm log}_{10}(\gamma_e)\, -2.826 -1.799 -1.014

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.407 -3.490 -2.443
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.564 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.771 -0.294 0.008
0.03-0.10 Gyr -0.141 0.173 0.506
0.10-0.33 Gyr -0.147 0.144 0.390
0.33-1.08 Gyr -0.429 -0.062 0.151
1.08-3.55 Gyr -0.402 0.056 0.314
3.55-11.69 Gyr 0.270 0.481 0.575
11.69-12.99 Gyr 0.185 0.634 1.193