2021hga

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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
 

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 2.04
Cutout download processed 5.05
Global aperture construction processed 0.66
Local aperture photometry processed 6.33
Global aperture photometry processed 6.23
Validate local photometry processed 0.02
Validate global photometry processed 14.63
Host information processed 0.08
Global host SED inference processed 459.45
Local host SED inference processed 611.16
Transient information processed 0.0
Transient MWEBV processed 0.05
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) = 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
 

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})\, 8.689 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