2025kgw

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Information

Transient

Name: SN2025kgw
Right ascension: 21h44m57.37s
Declination: 21d00m27.25s
Discovery Date: May 9, 2025, 2:16 p.m.
Classification: SN Ia
Redshift: 0.084000
MW E(B-V): 0.111

Host

Name: 2025kgw
Right ascension: 21h44m57.07s
Declination: 21d00m18.18s
Redshift: 0.061704
Photometric Redshift: 0.074
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.16
Transient MWEBV processed 0.13
Host match processed 2.94
Host information processed 0.11
Host MWEBV processed 0.13
Global aperture construction processed 0.73
Global aperture photometry processed 4.53
Validate global photometry processed 12.75
Global host SED inference processed 378.42
Local aperture photometry processed 4.31
Validate local photometry processed 0.02
Local host SED inference processed 536.91
 

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) = 21h44m57.37s, 21d00m27.25s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 1.66 0.41 23.351 0.270 AB
PanSTARRS_i 3.52 0.38 22.535 0.118 AB
PanSTARRS_z 2.64 0.92 22.845 0.377 AB
PanSTARRS_y 4.09 2.29 22.369 0.608 AB

Aperture details

RA, DEC (J2000) = 21h44m57.06s, 21d00m17.78s
semi major axis, semi minor axis (arcsec) = 12.22, 7.68
angle (degrees, anti-clockwise from east) = -23.62

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 31.16 5.12 20.166 0.178 AB
GALEX_NUV 49.4 4.3 19.666 0.095 AB
PanSTARRS_g 659.03 2.58 16.853 0.004 AB
PanSTARRS_r 1114.51 3.22 16.282 0.003 AB
PanSTARRS_i 1594.56 3.03 15.893 0.002 AB
PanSTARRS_z 1825.61 7.18 15.746 0.004 AB
PanSTARRS_y 2172.03 17.65 15.558 0.009 AB
2MASS_J 2606.08 277.19 14.465 0.115 Vega
2MASS_H 3410.9 423.45 13.700 0.135 Vega
2MASS_K 3275.08 386.0 13.274 0.128 Vega
WISE_W1 1733.33 31.12 13.104 0.019 Vega
WISE_W2 1204.42 35.82 12.859 0.032 Vega
WISE_W3 6751.28 131.18 9.153 0.021 Vega
WISE_W4 6858.57 885.45 7.689 0.140 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})\, 7.490 8.102 8.505
{\rm log}_{10}({\rm SFR}) -1.136 -0.770 -0.385
{\rm log}_{10}({\rm sSFR}) -9.466 -8.776 -7.971
{\rm stellar\ age} 0.186 4.776 7.156

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.104 -0.240 0.089
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.435 -0.700 -0.021

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.421 1.933 2.510
\delta 0.013 0.200 0.333
\tau_1/\tau_2 0.709 1.095 1.502
Q_{PAH} 0.670 2.059 4.562
U_{min} 3.095 8.805 16.534
{\rm log}_{10}(\gamma_e)\, -2.960 -1.768 -0.463

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.427 -0.777 0.082
{\rm log}_{10}(\tau_{AGN})\, 0.941 1.537 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.971 -0.561 -0.185
0.03-0.10 Gyr -2.359 -1.128 -0.484
0.10-0.33 Gyr -3.719 -1.699 -1.032
0.33-1.07 Gyr -4.877 -2.041 -1.411
1.07-3.49 Gyr -5.172 -2.115 -1.460
3.49-11.39 Gyr -5.503 -2.124 -1.431
11.39-12.65 Gyr -5.501 -2.124 -1.216

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.612 10.680 10.742
{\rm log}_{10}({\rm SFR}) 0.408 0.680 1.033
{\rm log}_{10}({\rm sSFR}) -10.266 -9.999 -9.610
{\rm stellar\ age} 5.372 6.379 7.432

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.576 -0.352 -0.195
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.075 0.109 0.339

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.179 0.280 0.439
\delta -0.645 -0.351 -0.096
\tau_1/\tau_2 0.896 1.235 1.582
Q_{PAH} 1.533 2.891 4.603
U_{min} 2.340 6.994 13.597
{\rm log}_{10}(\gamma_e)\, -3.043 -1.985 -1.213

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.507 -1.693 -1.226
{\rm log}_{10}(\tau_{AGN})\, 1.204 1.631 1.961

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.347 0.530 0.665
0.03-0.10 Gyr 0.377 0.732 1.150
0.10-0.33 Gyr 0.489 0.823 1.124
0.33-1.07 Gyr 0.437 0.753 0.951
1.07-3.49 Gyr 0.492 0.774 0.955
3.49-11.39 Gyr 0.565 0.769 0.896
11.39-12.65 Gyr 0.320 0.803 1.217