2018ahl results

Information

Transient
Name:AT2018ahl
Right ascension: 7h35m44.78s
Declination:66d37m16.43s
Discovery Date:March 17, 2018, 7:33 a.m.
Classification:None
Redshift:None
MW E(B-V):0.035
Host
Name:J073544.76+663716.32
Object ID:9907740849343919
Catalog Name:decals
Catalog Release:dr9
Right ascension: 7h35m44.76s
Declination:66d37m16.32s
Redshift:None
Photometric Redshift:0.132
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 17.38
Transient MWEBV processed 0.13
Host match processed 4.96
Host information processed 0.1
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 4.89
Validate global photometry processed 15.71
Global host SED inference processed 398.86
Local aperture photometry processed 4.77
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):7h35m44.74s, 66d37m16.44s
semi major axis, semi minor axis (arcsec):3.4, 2.53
angle (degrees, anti-clockwise from east):-22.35
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.31 0.39 23.610 0.322 AB
GALEX_NUV 0.03 0.36 27.688 12.807 AB
SDSS_u 9.39 2.33 21.469 0.269 AB
SDSS_g 25.26 1.52 20.394 0.065 AB
PanSTARRS_g 25.05 0.71 20.403 0.031 AB
SDSS_r 48.94 2.24 19.676 0.050 AB
PanSTARRS_r 48.15 0.82 19.693 0.019 AB
SDSS_i 77.24 3.11 19.180 0.044 AB
PanSTARRS_i 65.45 0.92 19.360 0.015 AB
PanSTARRS_z 82.75 2.38 19.106 0.031 AB
SDSS_z 94.12 7.63 18.966 0.088 AB
PanSTARRS_y 93.81 5.88 18.969 0.068 AB
2MASS_J 131.42 65.14 17.708 0.538 Vega
2MASS_H 164.3 91.75 16.993 0.606 Vega
2MASS_K 130.5 110.67 16.773 0.921 Vega
WISE_W1 38.66 6.6 17.233 0.185 Vega
WISE_W2 28.36 9.42 16.929 0.360 Vega
WISE_W3 22.72 48.56 15.335 2.321 Vega
WISE_W4 398.03 355.25 10.780 0.969 Vega
 

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})\, 9.675 9.778 9.890
{\rm log}_{10}({\rm SFR}) -0.805 -0.284 0.195
{\rm log}_{10}({\rm sSFR}) -10.583 -10.041 -9.541
{\rm stellar\ age} 5.021 6.457 7.769

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.371 -0.818 -0.296
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.567 -0.353 0.226

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.302 0.516 0.749
\delta -0.671 -0.334 -0.033
\tau_1/\tau_2 0.670 1.011 1.412
Q_{PAH} 0.757 1.992 4.238
U_{min} 3.084 8.703 15.803
{\rm log}_{10}(\gamma_e)\, -2.333 -1.302 -0.383

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.771 -2.265 -1.435
{\rm log}_{10}(\tau_{AGN})\, 1.064 1.478 1.884

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.129 -0.579 -0.192
0.03-0.10 Gyr -0.858 -0.238 0.326
0.10-0.32 Gyr -0.795 -0.220 0.161
0.32-1.04 Gyr -0.874 -0.311 0.056
1.04-3.36 Gyr -0.707 -0.221 0.047
3.36-10.86 Gyr -0.443 -0.100 0.077
10.86-12.07 Gyr -0.655 -0.036 0.511