2018ahc

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Information

Transient

Name: AT2018ahc
Right ascension: 13h53m29.49s
Declination: -27d30m44.17s
Discovery Date: March 16, 2018, 11:45 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.056

Host

Name:
Right ascension: 13h53m29.13s
Declination: -27d30m43.69s
Redshift: 0.051199
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.28
Transient MWEBV processed 0.04
Host match processed 4.98
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.59
Global aperture photometry processed 3.9
Validate global photometry processed 10.93
Global host SED inference processed 458.42
Local aperture photometry processed 4.15
Validate local photometry processed 0.02
Local host SED inference processed 416.0
 

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) = 13h53m29.49s, -27d30m44.17s
semi major axis, semi minor axis (arcsec) = 2.0, 2.0
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 31.46 0.56 20.156 0.019 AB
PanSTARRS_r 58.23 0.71 19.487 0.013 AB
PanSTARRS_i 84.91 1.04 19.078 0.013 AB
PanSTARRS_z 103.02 1.28 18.868 0.013 AB
PanSTARRS_y 133.31 3.56 18.588 0.029 AB

Aperture details

RA, DEC (J2000) = 13h53m29.10s, -27d30m43.47s
semi major axis, semi minor axis (arcsec) = 9.92, 4.99
angle (degrees, anti-clockwise from east) = -71.68

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.14 4.44 20.640 0.239 AB
GALEX_NUV 17.99 3.41 20.763 0.206 AB
PanSTARRS_g 476.72 2.0 17.204 0.005 AB
PanSTARRS_r 890.75 2.49 16.526 0.003 AB
PanSTARRS_i 1294.31 3.63 16.120 0.003 AB
PanSTARRS_z 1621.59 4.52 15.875 0.003 AB
PanSTARRS_y 2025.58 12.46 15.634 0.007 AB
2MASS_J 2448.67 185.74 14.533 0.082 Vega
2MASS_H 3040.84 276.28 13.825 0.099 Vega
2MASS_K 3307.39 343.09 13.263 0.113 Vega
WISE_W1 1678.58 24.11 13.139 0.016 Vega
WISE_W2 1154.6 33.0 12.905 0.031 Vega
WISE_W3 5926.98 93.39 9.294 0.017 Vega
WISE_W4 10618.84 762.58 7.215 0.078 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.968 9.140 9.279
{\rm log}_{10}({\rm SFR}) -1.647 -1.016 -0.435
{\rm log}_{10}({\rm sSFR}) -10.874 -10.213 -9.472
{\rm stellar\ age} 4.335 6.792 8.316

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.370 -0.721 -0.235
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.430 -0.154 0.311

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.473 0.968 1.352
\delta -0.439 -0.103 0.185
\tau_1/\tau_2 0.681 1.037 1.373
Q_{PAH} 0.601 2.338 5.241
U_{min} 3.045 8.081 14.901
{\rm log}_{10}(\gamma_e)\, -3.094 -1.724 -0.515

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.501 -1.245 -0.373
{\rm log}_{10}(\tau_{AGN})\, 0.976 1.416 1.899

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.774 -1.094 -0.620
0.03-0.10 Gyr -1.913 -1.037 -0.353
0.10-0.33 Gyr -1.868 -1.033 -0.388
0.33-1.08 Gyr -1.832 -0.990 -0.491
1.08-3.57 Gyr -1.651 -0.908 -0.594
3.57-11.77 Gyr -1.374 -0.801 -0.582
11.77-13.07 Gyr -1.576 -0.821 -0.215

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.333 10.397 10.467
{\rm log}_{10}({\rm SFR}) -0.968 -0.644 -0.355
{\rm log}_{10}({\rm sSFR}) -11.377 -11.044 -10.762
{\rm stellar\ age} 6.863 7.750 9.235

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.563 -0.278 -0.055
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.900 -0.174 0.318

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.232 0.385 0.572
\delta -0.054 0.179 0.322
\tau_1/\tau_2 0.522 0.880 1.243
Q_{PAH} 1.518 3.416 5.178
U_{min} 2.614 7.815 15.253
{\rm log}_{10}(\gamma_e)\, -2.853 -1.456 -0.601

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.829 -1.240 -0.830
{\rm log}_{10}(\tau_{AGN})\, 1.408 1.829 2.058

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.696 -0.398 -0.109
0.03-0.10 Gyr -2.109 -0.939 -0.459
0.10-0.33 Gyr -2.227 -0.931 -0.414
0.33-1.08 Gyr -1.538 -0.588 -0.114
1.08-3.57 Gyr -0.600 0.180 0.521
3.57-11.77 Gyr 0.313 0.545 0.670
11.77-13.07 Gyr 0.018 0.629 1.179