2021ahug

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Information

Transient

Name: AT2021ahug
Right ascension: 19h24m01.40s
Declination: -0d35m56.00s
Discovery Date: Aug. 16, 2021, 5:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.279

Host

Name: 2021ahug
Right ascension: 19h24m01.70s
Declination: -0d35m55.49s
Redshift: None
Photometric Redshift: 0.061
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 12.55
Cutout download processed 3.14
Global aperture construction processed 0.67
Local aperture photometry processed 3.65
Global aperture photometry processed 3.52
Validate local photometry processed 0.02
Validate global photometry processed 11.58
Host information processed 0.08
Global host SED inference processed 962.72
Local host SED inference processed 495.03
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.06
Log transient processing status processed None
 

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) = 19h24m01.40s, -0d35m56.00s
semi major axis, semi minor axis (arcsec) = 1.71, 1.71
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
PanSTARRS_g 2.07 0.48 23.110 0.253
PanSTARRS_r 4.44 0.57 22.282 0.139
PanSTARRS_i 4.37 0.75 22.298 0.187
PanSTARRS_z 6.46 1.8 21.875 0.303
PanSTARRS_y -7.42 3.92

Aperture details

RA, DEC (J2000) = 19h24m01.67s, -0d35m55.67s
semi major axis, semi minor axis (arcsec) = 5.3, 1.99
angle (degrees, anti-clockwise from east) = -135.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_NUV 4.68 3.44 22.225 0.800
PanSTARRS_r 234.09 1.06 17.977 0.005
PanSTARRS_i 281.65 1.35 17.776 0.005
PanSTARRS_z 307.4 3.16 17.681 0.011
PanSTARRS_y 294.42 6.65 17.728 0.025
2MASS_J 477.14 181.64 16.308 0.413
2MASS_K 352.56 277.95 15.694 0.856
WISE_W1 54.89 102.84 16.852 2.034
WISE_W2 10.48 84.62 18.010 8.763
WISE_W3 46.19 83.59 14.565 1.965
WISE_W4 727.37 523.47 10.126 0.781
 

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})\, 7.724 8.116 8.366
{\rm log}_{10}({\rm SFR}) -1.775 -1.279 -0.851
{\rm log}_{10}({\rm sSFR}) -10.000 -9.398 -8.637
{\rm stellar\ age} 2.027 6.088 7.735

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.287 -0.392 0.014
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.487 -0.591 0.144

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.430 0.939 1.437
\delta -0.343 -0.015 0.262
\tau_1/\tau_2 0.534 0.925 1.323
Q_{PAH} 0.766 2.491 5.125
U_{min} 3.004 7.824 15.069
{\rm log}_{10}(\gamma_e)\, -2.948 -2.015 -0.970

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.897 -0.539 0.153
{\rm log}_{10}(\tau_{AGN})\, 0.985 1.374 1.845

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.770 -1.086 -0.645
0.03-0.10 Gyr -2.374 -1.532 -0.936
0.10-0.33 Gyr -2.874 -1.880 -1.292
0.33-1.08 Gyr -3.269 -1.988 -1.520
1.08-3.55 Gyr -3.294 -1.981 -1.577
3.55-11.66 Gyr -3.293 -1.920 -1.522
11.66-12.95 Gyr -3.422 -1.942 -1.263

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.084 9.327 9.533
{\rm log}_{10}({\rm SFR}) -0.834 0.760 1.136
{\rm log}_{10}({\rm sSFR}) -10.101 -8.628 -8.021
{\rm stellar\ age} 0.220 1.463 6.026

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.844 -1.584 -1.188
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.777 -1.196 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.157 0.283 0.458
\delta -0.740 -0.338 0.109
\tau_1/\tau_2 0.484 1.024 1.575
Q_{PAH} 0.746 2.791 5.005
U_{min} 3.845 10.551 18.239
{\rm log}_{10}(\gamma_e)\, -3.383 -1.946 -0.838

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.020 -2.409 -1.269
{\rm log}_{10}(\tau_{AGN})\, 0.915 1.504 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.128 -1.791 -0.782
0.03-0.10 Gyr -0.788 0.921 1.300
0.10-0.33 Gyr -2.352 0.079 0.895
0.33-1.08 Gyr -3.513 -1.388 -0.030
1.08-3.55 Gyr -4.782 -2.127 -0.507
3.55-11.66 Gyr -5.168 -2.379 -0.701
11.66-12.95 Gyr -5.344 -1.936 -0.135