2019ahk

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Information

Transient

Name: TDE2019ahk
Right ascension: 7h00m11.55s
Declination: -66d02m24.14s
Discovery Date: Jan. 29, 2019, 9:50 p.m.
Classification: TDE
Redshift: 0.026200
MW E(B-V): 0.105

Host

Name: 307968
Right ascension: 7h00m11.37s
Declination: -66d02m25.13s
Redshift: 0.025346
Photometric Redshift:
 

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
not enough filters
 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 4.69
Cutout download processed 2.79
Global aperture construction processed 0.15
Local aperture photometry processed 0.94
Global aperture photometry processed 1.06
Validate local photometry processed 0.01
Validate global photometry processed 1.21
Host information processed 0.13
Global host SED inference processed 694.3
Local host SED inference not enough filters 19.33
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.04
Processing status blocked 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) = 7h00m11.55s, -66d02m24.14s
semi major axis, semi minor axis (arcsec) = 3.92, 3.92
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
2MASS_J 3453.37 91.02 14.159 0.029 Vega
2MASS_H 4364.15 137.53 13.433 0.034 Vega
2MASS_K 3747.95 183.06 13.128 0.053 Vega

Aperture details

RA, DEC (J2000) = 7h00m11.37s, -66d02m25.04s
semi major axis, semi minor axis (arcsec) = 10.19, 8.43
angle (degrees, anti-clockwise from east) = -99.98

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.61 6.23 19.905 0.171 AB
GALEX_NUV 62.94 4.35 19.403 0.075 AB
2MASS_J 5538.96 212.19 13.647 0.042 Vega
2MASS_H 7184.81 322.08 12.891 0.049 Vega
2MASS_K 6061.33 432.17 12.606 0.077 Vega
WISE_W1 2563.67 17.95 12.679 0.008 Vega
WISE_W2 1540.15 19.7 12.592 0.014 Vega
WISE_W3 4514.82 58.44 9.589 0.014 Vega
WISE_W4 5821.17 389.71 7.867 0.073 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.795 9.978 10.147
{\rm log}_{10}({\rm SFR}) -0.905 -0.401 0.155
{\rm log}_{10}({\rm sSFR}) -10.845 -10.380 -9.829
{\rm stellar\ age} 5.367 7.729 10.961

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.699 -0.298 -0.023
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.177 -0.618 -0.151

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.132 0.262 0.495
\delta -0.823 -0.479 -0.049
\tau_1/\tau_2 0.246 0.699 1.244
Q_{PAH} 0.334 1.273 3.311
U_{min} 2.256 6.889 13.646
{\rm log}_{10}(\gamma_e)\, -3.490 -2.307 -1.258

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.286 -3.096 -1.740
{\rm log}_{10}(\tau_{AGN})\, 1.204 1.729 2.008

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.165 -0.534 -0.089
0.03-0.10 Gyr -1.304 -0.501 0.277
0.10-0.33 Gyr -1.656 -0.595 0.061
0.33-1.10 Gyr -2.045 -0.503 0.204
1.10-3.64 Gyr -1.639 -0.318 0.095
3.64-12.08 Gyr -0.690 -0.046 0.227
12.08-13.42 Gyr -0.592 0.187 1.076