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

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
Log transient processing status processed None
 

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 (μJy){\rm (\mu Jy)} Flux error (μJy){\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 (μJy){\rm (\mu Jy)} Flux error (μJy){\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%)
log10(M/M){\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.558 7.872 8.075
log10(SFR){\rm log}_{10}({\rm SFR}) -2.255 -1.700 -1.241
log10(sSFR){\rm log}_{10}({\rm sSFR}) -10.197 -9.622 -8.844
stellar age{\rm stellar\ age} 3.140 6.852 8.614

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(Z/Z){\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.389 -0.539 -0.060
log10(Zgas/Z){\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.701 -0.839 0.052

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
τ2\tau_2 0.941 1.485 2.042
δ\delta -0.104 0.127 0.299
τ1/τ2\tau_1/\tau_2 0.640 1.015 1.402
QPAHQ_{PAH} 0.450 2.102 4.663
UminU_{min} 3.137 8.463 15.791
log10(γe){\rm log}_{10}(\gamma_e)\, -2.988 -1.704 -0.562

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(fAGN){\rm log}_{10}(f_{AGN})\, -3.711 -1.130 0.097
log10(τAGN){\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%)
log10(M/M){\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.593 10.695 10.758
log10(SFR){\rm log}_{10}({\rm SFR}) -2.146 -1.116 -0.377
log10(sSFR){\rm log}_{10}({\rm sSFR}) -12.873 -11.820 -11.097
stellar age{\rm stellar\ age} 6.388 7.888 9.601

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(Z/Z){\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.428 -0.211 -0.006
log10(Zgas/Z){\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.804 -1.194 -0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
τ2\tau_2 0.214 0.423 0.612
δ\delta -0.323 0.017 0.279
τ1/τ2\tau_1/\tau_2 0.333 0.753 1.158
QPAHQ_{PAH} 0.174 0.497 1.040
UminU_{min} 2.417 6.586 13.074
log10(γe){\rm log}_{10}(\gamma_e)\, -3.742 -3.238 -2.250

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(fAGN){\rm log}_{10}(f_{AGN})\, -4.537 -3.865 -3.036
log10(τAGN){\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