2021hga results

Information

Transient
Name:AT2021hga
Right ascension: 4h25m33.68s
Declination:-17d26m55.61s
Discovery Date:March 28, 2021, 5:38 a.m.
Classification:None
Redshift:None
MW E(B-V):0.036
Host
Name:2021hga
Right ascension: 4h25m33.62s
Declination:-17d26m54.75s
Redshift:None
Photometric Redshift:0.097
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
DES_g
DES_r
DES_z
GALEX_NUV
GALEX_FUV
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 5.05
Transient MWEBV processed 0.05
Host match processed 2.04
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.23
Validate global photometry processed 14.63
Global host SED inference processed 459.45
Local aperture photometry processed 6.33
Validate local photometry processed 0.02
Local host SED inference processed 611.16
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):4h25m33.68s, -17d26m55.61s
semi major axis, semi minor axis (arcsec):1.12, 1.12
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 31.89 0.33 20.141 0.011 AB
PanSTARRS_i 34.15 0.3 20.066 0.009 AB
PanSTARRS_z 37.57 0.97 19.963 0.028 AB
DES_z 48.02 0.85 19.696 0.019 AB
PanSTARRS_y 41.38 2.59 19.858 0.068 AB

Aperture details

RA, DEC (J2000):4h25m33.61s, -17d26m54.51s
semi major axis, semi minor axis (arcsec):7.3, 6.03
angle (degrees, anti-clockwise from east):-173.07
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 173.45 0.61 18.302 0.004 AB
PanSTARRS_g 172.66 1.77 18.307 0.011 AB
PanSTARRS_r 258.86 2.54 17.867 0.011 AB
DES_r 281.48 1.09 17.776 0.004 AB
PanSTARRS_z 370.82 5.63 17.477 0.016 AB
DES_z 395.68 2.69 17.407 0.007 AB
PanSTARRS_y 369.67 15.15 17.480 0.044 AB
2MASS_J 417.62 145.35 16.453 0.378 Vega
2MASS_H 429.61 243.51 15.950 0.615 Vega
2MASS_K 495.79 294.9 15.324 0.646 Vega
WISE_W1 173.38 10.53 15.604 0.066 Vega
WISE_W2 94.36 15.56 15.624 0.179 Vega
WISE_W3 167.11 70.79 13.169 0.460 Vega
WISE_W4 331.88 444.48 10.978 1.454 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.689 8.908 9.057
{\rm log}_{10}({\rm SFR}) -2.302 -1.094 -0.146
{\rm log}_{10}({\rm sSFR}) -11.176 -9.995 -8.914
{\rm stellar\ age} 0.682 3.517 6.037

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.095 -0.389 0.021
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.437 -0.735 -0.066

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.116 0.414 0.815
\delta -0.692 -0.222 0.196
\tau_1/\tau_2 0.588 1.017 1.429
Q_{PAH} 1.139 3.420 5.867
U_{min} 3.500 8.734 16.556
{\rm log}_{10}(\gamma_e)\, -3.002 -1.682 -0.476

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.843 -0.321 0.134
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.557 2.031

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.682 -1.386 -0.801
0.03-0.10 Gyr -2.861 -1.093 -0.014
0.10-0.33 Gyr -1.849 -0.578 0.098
0.33-1.06 Gyr -1.868 -0.572 -0.080
1.06-3.45 Gyr -3.337 -1.155 -0.717
3.45-11.25 Gyr -4.276 -1.471 -0.915
11.25-12.50 Gyr -4.093 -1.513 -0.761

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.926 10.075 10.163
{\rm log}_{10}({\rm SFR}) -2.022 -0.786 -0.087
{\rm log}_{10}({\rm sSFR}) -11.972 -10.845 -10.147
{\rm stellar\ age} 3.893 6.603 7.935

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.850 -1.625 -1.301
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.654 -0.732 0.184

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.087 0.188 0.313
\delta -0.800 -0.441 0.031
\tau_1/\tau_2 0.581 0.966 1.367
Q_{PAH} 1.128 3.157 5.217
U_{min} 2.851 8.544 16.245
{\rm log}_{10}(\gamma_e)\, -2.443 -1.217 -0.355

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.073 -2.796 -1.665
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.578 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.313 -1.148 -0.582
0.03-0.10 Gyr -2.406 -0.772 0.039
0.10-0.33 Gyr -1.700 -0.293 0.326
0.33-1.06 Gyr -1.127 -0.156 0.366
1.06-3.45 Gyr -0.475 0.129 0.495
3.45-11.25 Gyr -0.969 0.157 0.365
11.25-12.50 Gyr -1.376 0.144 0.771