2018chb

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Information

Transient

Name: AT2018chb
Right ascension: 15h16m02.02s
Declination: -38d42m47.00s
Discovery Date: June 6, 2018, 10:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.088

Host

Name: 2018chb
Right ascension: 15h16m02.01s
Declination: -38d42m49.65s
Redshift: 0.039207
Photometric Redshift:
 

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
no valid phot
status
Local host SED inference
Local host SED inference
not 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 2.43
Cutout download processed 2.97
Global aperture construction processed 0.18
Local aperture photometry processed 0.94
Global aperture photometry processed 0.94
Validate local photometry no valid phot 0.01
Validate global photometry processed 1.53
Host information processed 0.11
Global host SED inference processed 732.73
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.14
Processing status blocked 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) = 15h16m02.02s, -38d42m47.00s
semi major axis, semi minor axis (arcsec) = 2.58, 2.58
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux (μJy){\rm (\mu Jy)} Flux error (μJy){\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 15h16m02.01s, -38d42m50.05s
semi major axis, semi minor axis (arcsec) = 18.85, 9.01
angle (degrees, anti-clockwise from east) = -176.6

Filter Flux (μJy){\rm (\mu Jy)} Flux error (μJy){\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 98.71 7.84 18.914 0.086 AB
2MASS_J 8619.95 349.59 13.166 0.044 Vega
2MASS_H 9824.47 394.74 12.552 0.044 Vega
2MASS_K 8059.11 577.61 12.296 0.078 Vega
WISE_W1 4133.55 66.39 12.160 0.017 Vega
WISE_W2 2450.63 60.69 12.088 0.027 Vega
WISE_W3 6720.4 160.94 9.158 0.026 Vega
WISE_W4 5318.64 1022.34 7.965 0.209 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
log10(M∗/M⊙) {\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.326 10.513 10.671
log10(SFR){\rm log}_{10}({\rm SFR}) -0.441 0.025 0.639
log10(sSFR){\rm log}_{10}({\rm sSFR}) -11.000 -10.506 -9.834
stellar age{\rm stellar\ age} 5.035 7.325 9.388

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(Z∗/Z⊙){\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.725 -0.279 -0.086
log10(Zgas/Z⊙) {\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.074 -0.519 0.062

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
τ2\tau_2 0.131 0.278 0.503
δ\delta -0.873 -0.570 -0.174
τ1/τ2\tau_1/\tau_2 0.244 0.673 1.145
QPAHQ_{PAH} 0.267 1.160 3.245
UminU_{min} 2.167 6.652 13.604
log10(γe) {\rm log}_{10}(\gamma_e)\, -3.469 -2.419 -1.380

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(fAGN) {\rm log}_{10}(f_{AGN})\, -4.416 -3.374 -2.126
log10(τAGN) {\rm log}_{10}(\tau_{AGN})\, 1.210 1.735 2.029

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.535 0.038 0.500
0.03-0.10 Gyr -1.048 -0.096 0.728
0.10-0.33 Gyr -0.989 0.081 0.750
0.33-1.09 Gyr -0.735 0.211 0.870
1.09-3.60 Gyr -0.455 0.367 0.705
3.60-11.91 Gyr -0.086 0.541 0.809
11.91-13.23 Gyr -0.127 0.689 1.379