2025kyu

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Information

Transient

Name: SN2025kyu
Right ascension: 14h15m16.96s
Declination: 30d40m42.80s
Discovery Date: May 21, 2025, 9:20 p.m.
Classification: SN Ia
Redshift: 0.060000
MW E(B-V): 0.015

Host

Name: 2025kyu
Right ascension: 14h15m16.91s
Declination: 30d40m43.66s
Redshift: None
Photometric Redshift: 0.130
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.26
Transient MWEBV processed 0.08
Host match processed 1.84
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 7.11
Validate global photometry processed 18.07
Global host SED inference processed 653.32
Local aperture photometry processed 6.77
Validate local photometry processed 0.02
Local host SED inference processed 431.17
 

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) = 14h15m16.96s, 30d40m42.80s
semi major axis, semi minor axis (arcsec) = 1.73, 1.73
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 21.17 2.06 20.586 0.105 AB
SDSS_g 40.37 1.71 19.885 0.046 AB
DES_g 43.55 0.5 19.802 0.012 AB
PanSTARRS_g 38.81 0.43 19.928 0.012 AB
SDSS_r 56.96 2.09 19.511 0.040 AB
PanSTARRS_r 53.85 0.54 19.572 0.011 AB
DES_r 65.83 1.67 19.354 0.028 AB
SDSS_i 74.67 2.59 19.217 0.038 AB
PanSTARRS_i 69.16 0.53 19.300 0.008 AB
PanSTARRS_z 73.04 1.05 19.241 0.016 AB
SDSS_z 85.2 5.2 19.074 0.066 AB
DES_z 86.75 2.6 19.054 0.033 AB
PanSTARRS_y 76.28 2.79 19.194 0.040 AB

Aperture details

RA, DEC (J2000) = 14h15m16.89s, 30d40m43.92s
semi major axis, semi minor axis (arcsec) = 5.97, 3.9
angle (degrees, anti-clockwise from east) = -26.2

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 62.99 5.31 19.402 0.091 AB
SDSS_g 94.92 2.88 18.957 0.033 AB
DES_g 101.44 0.82 18.884 0.009 AB
PanSTARRS_g 104.06 1.16 18.857 0.012 AB
SDSS_r 133.38 3.66 18.587 0.030 AB
PanSTARRS_r 142.84 1.47 18.513 0.011 AB
DES_r 148.64 2.59 18.470 0.019 AB
SDSS_i 172.8 5.02 18.306 0.032 AB
PanSTARRS_i 172.59 1.43 18.307 0.009 AB
PanSTARRS_z 179.84 2.86 18.263 0.017 AB
SDSS_z 171.51 13.49 18.314 0.085 AB
DES_z 196.63 4.19 18.166 0.023 AB
PanSTARRS_y 175.39 7.67 18.290 0.047 AB
2MASS_J 281.36 102.81 16.882 0.397 Vega
2MASS_H 235.8 160.28 16.601 0.738 Vega
2MASS_K 6.23 180.9 20.075 31.508 Vega
WISE_W1 96.25 12.1 16.242 0.137 Vega
WISE_W2 79.99 14.71 15.803 0.200 Vega
WISE_W3 104.13 53.9 13.682 0.562 Vega
WISE_W4 155.73 348.85 11.799 2.432 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})\, 8.581 8.804 8.941
{\rm log}_{10}({\rm SFR}) -1.192 -0.726 -0.115
{\rm log}_{10}({\rm sSFR}) -10.067 -9.527 -8.823
{\rm stellar\ age} 2.494 5.223 6.861

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.390 -0.701 -0.189
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.808 -1.305 0.150

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.170 0.447 0.818
\delta -0.672 -0.221 0.145
\tau_1/\tau_2 0.689 1.019 1.402
Q_{PAH} 1.088 3.210 5.405
U_{min} 3.078 8.123 15.358
{\rm log}_{10}(\gamma_e)\, -3.110 -1.949 -0.779

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.544 -1.240 -0.253
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.557 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.309 -1.017 -0.690
0.03-0.10 Gyr -1.219 -0.650 0.017
0.10-0.33 Gyr -1.267 -0.718 -0.276
0.33-1.08 Gyr -1.657 -0.941 -0.598
1.08-3.55 Gyr -1.834 -1.099 -0.818
3.55-11.66 Gyr -2.112 -1.278 -0.987
11.66-12.96 Gyr -2.307 -1.359 -0.786

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.187 9.343 9.477
{\rm log}_{10}({\rm SFR}) -0.473 0.048 0.472
{\rm log}_{10}({\rm sSFR}) -9.865 -9.291 -8.826
{\rm stellar\ age} 5.752 7.292 10.624

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.774 -1.433 -0.992
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.597 -0.106 0.390

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.147 0.277 0.435
\delta -0.848 -0.576 -0.183
\tau_1/\tau_2 0.535 0.982 1.428
Q_{PAH} 1.059 2.352 4.362
U_{min} 2.905 8.949 16.884
{\rm log}_{10}(\gamma_e)\, -3.220 -2.250 -1.004

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.321 -2.033 -1.316
{\rm log}_{10}(\tau_{AGN})\, 1.085 1.534 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.091 -1.659 -1.061
0.03-0.10 Gyr -0.317 0.208 0.632
0.10-0.33 Gyr -3.093 -1.010 -0.296
0.33-1.08 Gyr -4.583 -1.504 -0.764
1.08-3.55 Gyr -3.490 -1.150 -0.598
3.55-11.66 Gyr -1.690 -0.651 -0.408
11.66-12.96 Gyr -1.479 -0.441 0.476