2021bjy

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Information

Transient

Name: 2021bjy
Right ascension: 8h49m33.43s
Declination: 50d52m03.68s
Discovery Date: None
Classification: Ia
Redshift: 0.027784
MW E(B-V): 0.021

Host

Name: 2021bjy
Right ascension: 8h49m32.26s
Declination: 50d52m26.95s
Redshift: 0.027289
Photometric Redshift: 0.038
 

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 5.08
Cutout download processed 16.96
Global aperture construction processed 0.65
Local aperture photometry processed 5.06
Global aperture photometry processed 5.08
Validate local photometry processed 0.02
Validate global photometry processed 15.69
Host information processed 0.08
Global host SED inference processed 526.2
Local host SED inference processed 504.52
Transient information processed 0.0
Transient MWEBV processed 0.37
Host MWEBV processed 0.05
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) = 8h49m33.43s, 50d52m03.68s
semi major axis, semi minor axis (arcsec) = 3.65, 3.65
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 4.92 2.61 22.169 0.575 AB
SDSS_g 5.86 1.2 21.981 0.223 AB
PanSTARRS_g 5.08 0.95 22.136 0.204 AB
SDSS_r 12.9 1.88 21.123 0.158 AB
PanSTARRS_r 9.39 1.04 21.469 0.120 AB
SDSS_i 18.81 2.68 20.714 0.155 AB
PanSTARRS_i 12.39 0.97 21.167 0.085 AB
PanSTARRS_z 21.27 2.77 20.581 0.141 AB
SDSS_z 27.62 9.09 20.297 0.357 AB
PanSTARRS_y 23.07 7.28 20.492 0.343 AB
2MASS_J 79.86 80.9 18.249 1.100 Vega
2MASS_H 64.69 139.87 18.005 2.347 Vega
2MASS_K 13.23 125.54 19.258 10.302 Vega

Aperture details

RA, DEC (J2000) = 8h49m32.24s, 50d52m27.05s
semi major axis, semi minor axis (arcsec) = 12.7, 10.48
angle (degrees, anti-clockwise from east) = -153.52

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 595.65 10.37 16.963 0.019 AB
SDSS_g 3081.09 14.68 15.178 0.005 AB
PanSTARRS_g 3380.87 3.33 15.077 0.001 AB
SDSS_r 6502.19 21.48 14.367 0.004 AB
PanSTARRS_r 6619.6 3.73 14.348 0.001 AB
SDSS_i 9435.65 26.27 13.963 0.003 AB
PanSTARRS_i 9484.83 3.29 13.957 0.000 AB
PanSTARRS_z 11886.95 8.77 13.712 0.001 AB
SDSS_z 12082.86 43.32 13.695 0.004 AB
2MASS_J 20299.02 294.57 12.236 0.016 Vega
2MASS_K 20506.12 453.99 11.282 0.024 Vega
WISE_W1 10964.08 60.71 11.101 0.006 Vega
WISE_W2 6125.91 62.5 11.093 0.011 Vega
WISE_W3 1619.66 156.6 10.702 0.105 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})\, 7.558 7.872 8.075
{\rm log}_{10}({\rm SFR}) -2.255 -1.700 -1.241
{\rm log}_{10}({\rm sSFR}) -10.197 -9.622 -8.844
{\rm stellar\ age} 3.140 6.852 8.614

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.389 -0.539 -0.060
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.701 -0.839 0.052

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.941 1.485 2.042
\delta -0.104 0.127 0.299
\tau_1/\tau_2 0.640 1.015 1.402
Q_{PAH} 0.450 2.102 4.663
U_{min} 3.137 8.463 15.791
{\rm log}_{10}(\gamma_e)\, -2.988 -1.704 -0.562

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.711 -1.130 0.097
{\rm log}_{10}(\tau_{AGN})\, 1.109 1.581 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.527 -1.708 -1.140
0.03-0.10 Gyr -2.683 -1.868 -1.303
0.10-0.33 Gyr -3.371 -2.252 -1.656
0.33-1.10 Gyr -4.048 -2.433 -1.876
1.10-3.64 Gyr -3.950 -2.316 -1.896
3.64-12.05 Gyr -3.361 -2.131 -1.815
12.05-13.39 Gyr -3.328 -2.105 -1.429

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.593 10.695 10.758
{\rm log}_{10}({\rm SFR}) -2.146 -1.116 -0.377
{\rm log}_{10}({\rm sSFR}) -12.873 -11.820 -11.097
{\rm stellar\ age} 6.388 7.888 9.601

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.428 -0.211 -0.006
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.804 -1.194 -0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.214 0.423 0.612
\delta -0.323 0.017 0.279
\tau_1/\tau_2 0.333 0.753 1.158
Q_{PAH} 0.174 0.497 1.040
U_{min} 2.417 6.586 13.074
{\rm log}_{10}(\gamma_e)\, -3.742 -3.238 -2.250

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.537 -3.865 -3.036
{\rm log}_{10}(\tau_{AGN})\, 0.976 1.448 1.868

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.394 -1.091 -0.310
0.03-0.10 Gyr -2.720 -1.307 -0.407
0.10-0.33 Gyr -2.639 -1.168 -0.185
0.33-1.10 Gyr -1.858 -0.682 0.077
1.10-3.64 Gyr -0.535 0.517 0.961
3.64-12.05 Gyr 0.380 0.812 0.971
12.05-13.39 Gyr 0.107 0.882 1.502