2025byj results

Information

Transient
Name:SN2025byj
Right ascension: 8h09m45.69s
Declination:51d40m32.66s
Discovery Date:Feb. 18, 2025, 7:24 a.m.
Classification:SN Ia
Redshift:0.071000
MW E(B-V):0.051
Host
Name:2025byj
Right ascension: 8h09m45.69s
Declination:51d40m32.71s
Redshift:0.071000
Photometric Redshift:0.134
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
GALEX_NUV
GALEX_FUV
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 1.45
Transient MWEBV processed 0.09
Host match processed 2.74
Host information processed 0.09
Host MWEBV processed 0.09
Global aperture construction processed 0.14
Global aperture photometry processed 1.82
Validate global photometry processed 2.43
Global host SED inference processed 575.04
Local aperture photometry processed 1.7
Validate local photometry processed 0.02
Local host SED inference processed 483.48
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h09m45.69s, 51d40m32.66s
semi major axis, semi minor axis (arcsec):1.48, 1.48
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 36.27 1.61 20.001 0.048 AB
PanSTARRS_g 34.34 0.33 20.060 0.010 AB
SDSS_r 53.49 2.07 19.579 0.042 AB
PanSTARRS_r 48.92 0.53 19.676 0.012 AB
SDSS_i 68.61 2.45 19.309 0.039 AB
PanSTARRS_i 61.94 0.5 19.420 0.009 AB
PanSTARRS_z 68.23 1.22 19.315 0.019 AB
SDSS_z 73.96 5.18 19.228 0.076 AB
PanSTARRS_y 72.5 2.57 19.249 0.038 AB

Aperture details

RA, DEC (J2000):8h09m45.68s, 51d40m32.80s
semi major axis, semi minor axis (arcsec):3.52, 2.58
angle (degrees, anti-clockwise from east):-152.65
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 23.13 2.68 20.489 0.126 AB
SDSS_g 51.39 2.05 19.623 0.043 AB
PanSTARRS_g 49.3 0.68 19.668 0.015 AB
SDSS_r 79.76 2.88 19.146 0.039 AB
PanSTARRS_r 68.26 1.1 19.315 0.017 AB
SDSS_i 95.55 3.51 18.949 0.040 AB
PanSTARRS_i 88.91 1.0 19.028 0.012 AB
PanSTARRS_z 93.75 2.43 18.970 0.028 AB
SDSS_z 113.9 9.96 18.759 0.095 AB
PanSTARRS_y 91.38 5.05 18.998 0.060 AB
2MASS_J -96.45 104.16 Vega
2MASS_H 54.71 176.03 18.187 3.493 Vega
2MASS_K 433.16 165.92 15.471 0.416 Vega
WISE_W1 176.77 10.99 15.582 0.067 Vega
WISE_W2 109.13 14.06 15.466 0.140 Vega
WISE_W3 16.45 52.66 15.686 3.476 Vega
WISE_W4 -386.24 302.83 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.766 8.957 9.088
{\rm log}_{10}({\rm SFR}) -2.335 -1.321 -0.422
{\rm log}_{10}({\rm sSFR}) -11.224 -10.321 -9.346
{\rm stellar\ age} 1.046 5.098 6.870

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.612 -1.058 -0.486
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.531 -0.738 0.027

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.077 0.351 0.944
\delta -0.560 -0.156 0.188
\tau_1/\tau_2 0.681 1.047 1.429
Q_{PAH} 0.877 2.666 5.275
U_{min} 3.129 8.867 16.342
{\rm log}_{10}(\gamma_e)\, -2.999 -1.872 -0.609

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.852 -0.449 0.083
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.445 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.829 -1.742 -1.239
0.03-0.10 Gyr -2.544 -1.274 -0.281
0.10-0.33 Gyr -1.480 -0.692 0.171
0.33-1.07 Gyr -1.819 -0.807 -0.349
1.07-3.52 Gyr -2.587 -0.950 -0.669
3.52-11.53 Gyr -3.251 -1.141 -0.804
11.53-12.82 Gyr -3.147 -1.244 -0.637

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.778 9.085 9.300
{\rm log}_{10}({\rm SFR}) -1.161 -0.134 0.454
{\rm log}_{10}({\rm sSFR}) -10.368 -9.292 -8.447
{\rm stellar\ age} 0.315 2.647 6.097

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.799 -1.349 -0.661
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.762 -1.183 0.092

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.655 0.933 1.191
\delta -0.192 0.140 0.319
\tau_1/\tau_2 0.577 0.989 1.398
Q_{PAH} 2.408 4.399 5.994
U_{min} 3.687 9.851 17.859
{\rm log}_{10}(\gamma_e)\, -3.110 -1.686 -0.627

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.314 -1.792 -1.128
{\rm log}_{10}(\tau_{AGN})\, 0.867 1.231 1.777

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.354 -1.008 -0.513
0.03-0.10 Gyr -1.458 -0.006 0.610
0.10-0.33 Gyr -1.047 0.059 0.527
0.33-1.07 Gyr -2.850 -0.658 -0.102
1.07-3.52 Gyr -4.322 -1.272 -0.490
3.52-11.53 Gyr -4.873 -1.713 -0.748
11.53-12.82 Gyr -5.073 -1.610 -0.473