2025kyg

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Information

Transient

Name: SN2025kyg
Right ascension: 23h47m05.99s
Declination: 29d29m17.79s
Discovery Date: May 21, 2025, 10:18 a.m.
Classification: SN Ia
Redshift: 0.017197
MW E(B-V): 0.085

Host

Name: 2025kyg
Right ascension: 23h47m04.85s
Declination: 29d29m00.24s
Redshift: 0.017182
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.72
Transient MWEBV processed 0.11
Host match processed 0.89
Host information processed 0.09
Host MWEBV processed 0.08
Global aperture construction processed 0.72
Global aperture photometry processed 7.98
Validate global photometry processed 20.84
Global host SED inference processed 485.8
Local aperture photometry processed 7.51
Validate local photometry processed 0.03
Local host SED inference processed 451.2
 

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) = 23h47m05.99s, 29d29m17.79s
semi major axis, semi minor axis (arcsec) = 5.73, 5.73
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.56 1.19 22.520 0.362 AB
GALEX_NUV 13.32 1.23 21.089 0.100 AB
SDSS_u 58.04 5.24 19.491 0.098 AB
SDSS_g 250.51 5.76 17.903 0.025 AB
DES_g 373.44 3.49 17.469 0.010 AB
PanSTARRS_g 365.6 3.46 17.492 0.010 AB
SDSS_r 545.98 9.6 17.057 0.019 AB
PanSTARRS_r 739.85 5.87 16.727 0.009 AB
DES_r 809.55 7.82 16.629 0.010 AB
SDSS_i 829.24 13.05 16.603 0.017 AB
PanSTARRS_i 1129.61 7.77 16.268 0.007 AB
PanSTARRS_z 1357.21 9.95 16.068 0.008 AB
SDSS_z 1022.52 22.98 16.376 0.024 AB
DES_z 1398.22 14.61 16.036 0.011 AB
PanSTARRS_y 1489.76 14.09 15.967 0.010 AB
2MASS_J 2130.36 159.05 14.684 0.081 Vega
2MASS_H 2993.21 232.31 13.842 0.084 Vega
2MASS_K 2347.8 212.04 13.636 0.098 Vega

Aperture details

RA, DEC (J2000) = 23h47m04.73s, 29d28m59.85s
semi major axis, semi minor axis (arcsec) = 51.05, 27.57
angle (degrees, anti-clockwise from east) = -109.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 411.42 8.23 17.364 0.022 AB
SDSS_g 13522.04 40.22 13.572 0.003 AB
PanSTARRS_g 18867.14 20.42 13.211 0.001 AB
SDSS_r 29741.47 67.31 12.717 0.002 AB
PanSTARRS_r 37321.71 33.41 12.470 0.001 AB
SDSS_i 44921.67 91.76 12.269 0.002 AB
PanSTARRS_i 55897.17 43.14 12.032 0.001 AB
SDSS_z 59039.24 156.02 11.972 0.003 AB
2MASS_J 106919.68 1045.94 10.432 0.011 Vega
2MASS_H 129830.49 1526.22 9.749 0.013 Vega
2MASS_K 114686.29 1393.85 9.413 0.013 Vega
WISE_W3 94113.69 5930.78 6.292 0.068 Vega
WISE_W4 162217.8 17855.68 4.255 0.120 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.314 9.411 9.514
{\rm log}_{10}({\rm SFR}) -1.497 -1.100 -0.723
{\rm log}_{10}({\rm sSFR}) -10.939 -10.545 -10.100
{\rm stellar\ age} 6.745 8.054 11.017

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.671 -1.180 -0.716
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.872 -1.671 -1.408

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.532 1.037 1.282
\delta -0.308 -0.052 0.157
\tau_1/\tau_2 0.506 0.823 1.155
Q_{PAH} 0.220 0.767 2.531
U_{min} 2.660 8.053 15.539
{\rm log}_{10}(\gamma_e)\, -3.203 -1.763 -1.121

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.035 -1.596 -0.595
{\rm log}_{10}(\tau_{AGN})\, 0.883 1.303 1.779

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.352 -0.960 -0.638
0.03-0.10 Gyr -1.865 -1.230 -0.745
0.10-0.33 Gyr -2.196 -1.345 -0.746
0.33-1.10 Gyr -2.222 -1.189 -0.654
1.10-3.67 Gyr -1.995 -0.877 -0.448
3.67-12.18 Gyr -0.953 -0.507 -0.348
12.18-13.53 Gyr -0.863 -0.286 0.422

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.996 11.071 11.172
{\rm log}_{10}({\rm SFR}) 0.232 0.541 0.820
{\rm log}_{10}({\rm sSFR}) -10.877 -10.534 -10.234
{\rm stellar\ age} 6.319 7.831 9.838

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.966 -0.584 -0.262
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.683 -1.130 -0.209

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.519 0.828 1.225
\delta -0.148 0.115 0.317
\tau_1/\tau_2 0.410 0.760 1.168
Q_{PAH} 0.140 0.460 0.931
U_{min} 2.161 5.795 11.569
{\rm log}_{10}(\gamma_e)\, -3.789 -3.370 -2.739

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.247 -1.761 -1.373
{\rm log}_{10}(\tau_{AGN})\, 1.008 1.255 1.682

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.118 0.471 0.773
0.03-0.10 Gyr 0.029 0.538 0.906
0.10-0.33 Gyr -0.104 0.550 0.975
0.33-1.10 Gyr -0.187 0.524 1.011
1.10-3.67 Gyr 0.035 0.893 1.327
3.67-12.18 Gyr 0.747 1.169 1.322
12.18-13.53 Gyr 0.621 1.293 1.905