2021yhc

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Information

Transient

Name: AT2021yhc
Right ascension: 2h37m59.96s
Declination: 19d38m11.65s
Discovery Date: Sept. 4, 2021, 10:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.087

Host

Name:
Right ascension: 2h37m59.98s
Declination: 19d38m11.68s
Redshift: 0.033527
Photometric Redshift: 0.042
 

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 5.89
Cutout download processed 13.33
Global aperture construction processed 0.65
Local aperture photometry processed 4.94
Global aperture photometry processed 3.93
Validate local photometry processed 0.02
Validate global photometry processed 10.77
Host information processed 0.15
Global host SED inference processed 526.02
Local host SED inference processed 452.56
Transient information processed 0.0
Transient MWEBV processed 0.03
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) = 2h37m59.96s, 19d38m11.65s
semi major axis, semi minor axis (arcsec) = 2.99, 2.99
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 469.08 0.91 17.222 0.002 AB
PanSTARRS_g 388.38 0.9 17.427 0.003 AB
PanSTARRS_r 858.24 1.33 16.566 0.002 AB
DES_r 1077.01 2.16 16.319 0.002 AB
PanSTARRS_i 1356.98 1.35 16.069 0.001 AB
PanSTARRS_z 1739.84 2.86 15.799 0.002 AB
DES_z 1971.65 6.39 15.663 0.004 AB
PanSTARRS_y 2215.29 6.06 15.536 0.003 AB
2MASS_J 2741.53 72.41 14.410 0.029 Vega
2MASS_H 3605.2 117.2 13.640 0.035 Vega
2MASS_K 3346.39 114.27 13.251 0.037 Vega

Aperture details

RA, DEC (J2000) = 2h37m59.95s, 19d38m11.76s
semi major axis, semi minor axis (arcsec) = 25.76, 14.42
angle (degrees, anti-clockwise from east) = -94.62

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 109.5 10.4 18.801 0.103 AB
GALEX_NUV 96.25 7.42 18.941 0.084 AB
PanSTARRS_g 1940.08 5.27 15.680 0.003 AB
PanSTARRS_r 3817.96 7.4 14.945 0.002 AB
PanSTARRS_i 5991.92 7.75 14.456 0.001 AB
PanSTARRS_z 7536.39 17.42 14.207 0.003 AB
2MASS_J 12364.47 458.48 12.775 0.040 Vega
2MASS_H 15462.92 753.9 12.059 0.053 Vega
2MASS_K 14098.1 734.57 11.689 0.057 Vega
WISE_W1 6387.03 52.29 11.688 0.009 Vega
WISE_W2 3852.08 58.15 11.597 0.016 Vega
WISE_W3 6716.29 260.82 9.158 0.042 Vega
WISE_W4 10063.29 1705.34 7.273 0.184 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})\, 9.825 9.984 10.164
{\rm log}_{10}({\rm SFR}) -0.453 0.001 0.526
{\rm log}_{10}({\rm sSFR}) -10.485 -10.007 -9.353
{\rm stellar\ age} 4.954 7.048 9.036

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.429 -0.815 -0.405
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.429 -0.637 0.032

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.806 1.086 1.347
\delta -0.716 -0.452 -0.236
\tau_1/\tau_2 0.464 0.854 1.270
Q_{PAH} 0.547 2.044 4.189
U_{min} 2.514 7.287 14.362
{\rm log}_{10}(\gamma_e)\, -3.532 -2.181 -1.059

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.474 -3.491 -1.881
{\rm log}_{10}(\tau_{AGN})\, 0.896 1.487 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.165 0.131 0.472
0.03-0.10 Gyr -1.266 -0.151 0.595
0.10-0.33 Gyr -1.561 -0.298 0.239
0.33-1.09 Gyr -1.398 -0.226 0.177
1.09-3.62 Gyr -0.961 -0.049 0.274
3.62-11.98 Gyr -0.573 0.010 0.273
11.98-13.31 Gyr -0.637 0.071 0.795

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.721 10.806 10.870
{\rm log}_{10}({\rm SFR}) -0.404 -0.053 0.245
{\rm log}_{10}({\rm sSFR}) -11.202 -10.856 -10.539
{\rm stellar\ age} 8.384 11.479 12.567

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.653 -0.460 -0.312
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.605 -0.870 0.129

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.240 0.349 0.509
\delta 0.148 0.291 0.368
\tau_1/\tau_2 0.394 0.883 1.371
Q_{PAH} 0.494 1.354 2.671
U_{min} 2.606 7.576 15.034
{\rm log}_{10}(\gamma_e)\, -3.276 -2.363 -1.519

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.127 -2.952 -1.976
{\rm log}_{10}(\tau_{AGN})\, 1.209 1.703 2.004

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.873 -0.269 0.003
0.03-0.10 Gyr -0.690 -0.002 0.373
0.10-0.33 Gyr -2.650 -0.650 -0.048
0.33-1.09 Gyr -3.389 -0.945 -0.266
1.09-3.62 Gyr -3.086 -0.917 -0.151
3.62-11.98 Gyr -1.119 0.436 0.962
11.98-13.31 Gyr 1.003 1.835 1.990