2025ldk

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Information

Transient

Name: SN2025ldk
Right ascension: 14h22m31.24s
Declination: 4d51m00.82s
Discovery Date: May 17, 2025, 5:25 p.m.
Classification: SN Ia
Redshift: 0.055412
MW E(B-V): 0.026

Host

Name: 2025ldk
Right ascension: 14h22m30.74s
Declination: 4d50m51.94s
Redshift: 0.055412
Photometric Redshift: 0.063
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.65
Transient MWEBV processed 0.1
Host match processed 1.73
Host information processed 0.09
Host MWEBV processed 0.11
Global aperture construction processed 0.66
Global aperture photometry processed 4.51
Validate global photometry processed 11.99
Global host SED inference processed 394.8
Local aperture photometry processed 5.1
Validate local photometry processed 0.02
Local host SED inference processed 456.53
 

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) = 14h22m31.24s, 4d51m00.82s
semi major axis, semi minor axis (arcsec) = 1.86, 1.86
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 2.81 1.54 22.780 0.596 AB
SDSS_g 6.44 0.89 21.878 0.150 AB
PanSTARRS_g 6.1 0.4 21.937 0.072 AB
SDSS_r 6.34 1.15 21.895 0.197 AB
PanSTARRS_r 7.73 0.57 21.679 0.080 AB
SDSS_i 8.2 1.81 21.616 0.240 AB
PanSTARRS_i 8.39 0.69 21.590 0.089 AB
PanSTARRS_z 9.34 1.26 21.474 0.147 AB
SDSS_z 5.46 6.09 22.058 1.212 AB
PanSTARRS_y 12.97 2.78 21.118 0.232 AB

Aperture details

RA, DEC (J2000) = 14h22m30.74s, 4d50m52.06s
semi major axis, semi minor axis (arcsec) = 22.68, 13.85
angle (degrees, anti-clockwise from east) = -62.79

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 104.07 2.43 18.857 0.025 AB
GALEX_NUV 139.03 1.73 18.542 0.014 AB
PanSTARRS_g 1256.43 3.88 16.152 0.003 AB
PanSTARRS_r 2128.75 5.52 15.580 0.003 AB
PanSTARRS_i 2802.1 6.71 15.281 0.003 AB
PanSTARRS_z 3360.99 12.12 15.084 0.004 AB
PanSTARRS_y 4077.98 26.86 14.874 0.007 AB
2MASS_J 5025.21 457.0 13.752 0.099 Vega
2MASS_H 5674.63 608.22 13.148 0.116 Vega
2MASS_K 3747.78 859.0 13.128 0.249 Vega
WISE_W1 2344.39 30.69 12.776 0.014 Vega
WISE_W2 1436.05 37.72 12.668 0.029 Vega
WISE_W3 4022.37 153.97 9.715 0.042 Vega
WISE_W4 2817.33 622.65 8.655 0.240 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})\, 7.520 7.863 8.140
{\rm log}_{10}({\rm SFR}) -1.951 -1.333 -0.744
{\rm log}_{10}({\rm sSFR}) -9.906 -9.206 -8.337
{\rm stellar\ age} 0.693 4.860 6.954

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.485 -0.606 -0.024
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.478 -0.658 0.071

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.335 0.881 1.421
\delta -0.231 0.096 0.312
\tau_1/\tau_2 0.649 1.052 1.437
Q_{PAH} 1.113 3.025 5.291
U_{min} 3.080 8.338 15.555
{\rm log}_{10}(\gamma_e)\, -2.838 -1.760 -0.748

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.669 -0.652 0.107
{\rm log}_{10}(\tau_{AGN})\, 1.130 1.583 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.070 -1.400 -0.947
0.03-0.10 Gyr -2.191 -1.421 -0.647
0.10-0.33 Gyr -2.670 -1.753 -1.158
0.33-1.08 Gyr -3.497 -1.989 -1.503
1.08-3.56 Gyr -3.983 -2.192 -1.728
3.56-11.72 Gyr -4.510 -2.328 -1.788
11.72-13.02 Gyr -4.435 -2.373 -1.640

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.566 10.632 10.699
{\rm log}_{10}({\rm SFR}) 0.067 0.347 0.704
{\rm log}_{10}({\rm sSFR}) -10.556 -10.281 -9.951
{\rm stellar\ age} 7.070 7.899 10.052

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.479 -0.329 -0.221
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.237 0.137 0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.089 0.136 0.217
\delta -0.833 -0.566 -0.244
\tau_1/\tau_2 0.674 1.073 1.440
Q_{PAH} 1.061 2.220 3.830
U_{min} 2.471 7.299 14.310
{\rm log}_{10}(\gamma_e)\, -2.536 -1.691 -1.011

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.239 -3.171 -2.152
{\rm log}_{10}(\tau_{AGN})\, 1.117 1.609 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.431 0.013 0.263
0.03-0.10 Gyr 0.012 0.447 0.852
0.10-0.33 Gyr -0.265 0.239 0.545
0.33-1.08 Gyr -0.435 0.128 0.401
1.08-3.56 Gyr -0.448 0.234 0.596
3.56-11.72 Gyr 0.483 0.758 0.875
11.72-13.02 Gyr 0.479 0.979 1.590