2020gbt

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Information

Transient

Name: AT2020gbt
Right ascension: 12h24m24.91s
Declination: 31d11m13.13s
Discovery Date: April 4, 2020, 9:46 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name: 1935516
Right ascension: 12h24m25.16s
Declination: 31d11m08.86s
Redshift: 0.059507
Photometric Redshift: 0.060
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 3.69
Cutout download processed 24.6
Global aperture construction processed 0.63
Local aperture photometry processed 6.32
Global aperture photometry processed 5.46
Validate local photometry processed 0.02
Validate global photometry processed 15.97
Host information processed 0.16
Global host SED inference processed 417.32
Local host SED inference processed 436.45
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 12h24m24.91s, 31d11m13.13s
semi major axis, semi minor axis (arcsec) = 1.74, 1.74
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 0.62 1.26 24.427 2.221 AB
SDSS_g 13.36 1.03 21.085 0.084 AB
PanSTARRS_g 14.19 0.37 21.020 0.029 AB
SDSS_r 18.59 1.32 20.727 0.077 AB
PanSTARRS_r 21.36 0.41 20.576 0.021 AB
DES_r 22.04 0.93 20.542 0.046 AB
SDSS_i 26.69 1.74 20.334 0.071 AB
PanSTARRS_i 29.21 0.56 20.236 0.021 AB
PanSTARRS_z 30.41 1.49 20.192 0.053 AB
SDSS_z 35.44 4.55 20.026 0.139 AB
DES_z 27.27 1.12 20.311 0.044 AB
PanSTARRS_y 34.73 2.41 20.048 0.075 AB

Aperture details

RA, DEC (J2000) = 12h24m25.17s, 31d11m08.65s
semi major axis, semi minor axis (arcsec) = 16.62, 6.21
angle (degrees, anti-clockwise from east) = -8.51

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 51.56 5.98 19.619 0.126 AB
GALEX_NUV 64.59 0.48 19.375 0.008 AB
SDSS_u 52.71 7.52 19.595 0.155 AB
SDSS_g 555.05 6.59 17.039 0.013 AB
PanSTARRS_g 584.99 2.2 16.982 0.004 AB
SDSS_r 984.26 9.15 16.417 0.010 AB
PanSTARRS_r 992.93 2.4 16.408 0.003 AB
SDSS_i 1360.02 11.62 16.066 0.009 AB
PanSTARRS_i 1344.4 3.31 16.079 0.003 AB
PanSTARRS_z 1602.4 8.6 15.888 0.006 AB
SDSS_z 1684.16 27.29 15.834 0.018 AB
PanSTARRS_y 1857.05 14.0 15.728 0.008 AB
2MASS_J 2566.55 228.64 14.482 0.097 Vega
2MASS_H 2397.05 381.54 14.083 0.173 Vega
2MASS_K 1869.82 373.54 13.883 0.217 Vega
WISE_W1 1148.74 24.97 13.550 0.024 Vega
WISE_W2 670.26 29.54 13.495 0.048 Vega
WISE_W3 1051.98 127.27 11.171 0.131 Vega
WISE_W4 272.11 575.07 11.193 2.295 Vega
 

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})\, 8.469 8.597 8.717
{\rm log}_{10}({\rm SFR}) -1.851 -1.278 -0.762
{\rm log}_{10}({\rm sSFR}) -10.462 -9.913 -9.351
{\rm stellar\ age} 3.931 6.292 7.669

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.769 -1.355 -0.833
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.739 -0.995 0.126

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.299 0.738 1.113
\delta -0.347 0.064 0.283
\tau_1/\tau_2 0.778 1.104 1.429
Q_{PAH} 0.905 2.506 4.935
U_{min} 2.896 7.659 14.443
{\rm log}_{10}(\gamma_e)\, -2.909 -1.842 -0.743

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.706 -0.800 -0.027
{\rm log}_{10}(\tau_{AGN})\, 1.076 1.579 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.882 -1.350 -0.935
0.03-0.10 Gyr -1.947 -1.286 -0.686
0.10-0.33 Gyr -1.958 -1.327 -0.777
0.33-1.08 Gyr -2.013 -1.385 -0.925
1.08-3.55 Gyr -1.756 -1.327 -1.070
3.55-11.67 Gyr -1.864 -1.350 -1.139
11.67-12.96 Gyr -2.090 -1.411 -0.875

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.452 10.528 10.585
{\rm log}_{10}({\rm SFR}) -0.635 -0.313 0.000
{\rm log}_{10}({\rm sSFR}) -11.171 -10.843 -10.522
{\rm stellar\ age} 8.398 11.232 12.208

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.638 -0.497 -0.378
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.371 -0.763 -0.148

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.047 0.114 0.220
\delta -0.243 0.114 0.299
\tau_1/\tau_2 0.463 0.944 1.430
Q_{PAH} 0.925 2.830 5.301
U_{min} 2.716 8.170 15.874
{\rm log}_{10}(\gamma_e)\, -2.061 -1.214 -0.439

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.256 -3.169 -2.246
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.544 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.626 -0.363 -0.170
0.03-0.10 Gyr -1.105 -0.316 0.098
0.10-0.33 Gyr -2.084 -0.702 -0.194
0.33-1.08 Gyr -2.639 -0.872 -0.291
1.08-3.55 Gyr -2.709 -0.968 -0.297
3.55-11.67 Gyr -1.285 0.132 0.667
11.67-12.96 Gyr 0.883 1.575 1.711