2025ktr

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Information

Transient

Name: SN2025ktr
Right ascension: 12h10m39.24s
Declination: 61d40m47.91s
Discovery Date: May 19, 2025, 6:52 a.m.
Classification: SN Ia
Redshift: 0.052072
MW E(B-V): 0.018

Host

Name: 2025ktr
Right ascension: 12h10m38.58s
Declination: 61d40m49.45s
Redshift: 0.052072
Photometric Redshift: 0.036
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.65
Transient MWEBV processed 0.11
Host match processed 1.48
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.71
Global aperture photometry processed 5.49
Validate global photometry processed 16.48
Global host SED inference processed 420.6
Local aperture photometry processed 5.41
Validate local photometry processed 0.02
Local host SED inference processed 436.8
 

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) = 12h10m39.24s, 61d40m47.91s
semi major axis, semi minor axis (arcsec) = 1.97, 1.97
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 5.51 1.78 22.046 0.350 AB
SDSS_g 14.23 1.1 21.017 0.084 AB
PanSTARRS_g 13.59 0.44 21.067 0.035 AB
SDSS_r 20.67 1.46 20.612 0.077 AB
PanSTARRS_r 18.08 0.66 20.757 0.040 AB
SDSS_i 24.52 1.97 20.426 0.087 AB
PanSTARRS_i 25.21 0.76 20.396 0.033 AB
PanSTARRS_z 25.24 1.28 20.395 0.055 AB
SDSS_z 38.45 5.6 19.938 0.158 AB
PanSTARRS_y 23.05 3.27 20.493 0.154 AB

Aperture details

RA, DEC (J2000) = 12h10m38.54s, 61d40m49.60s
semi major axis, semi minor axis (arcsec) = 12.51, 4.84
angle (degrees, anti-clockwise from east) = -106.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 29.9 5.46 20.211 0.198 AB
GALEX_NUV 68.08 2.63 19.317 0.042 AB
SDSS_u 124.07 7.23 18.666 0.063 AB
SDSS_g 355.51 5.32 17.523 0.016 AB
PanSTARRS_g 344.29 1.75 17.558 0.006 AB
SDSS_r 484.63 6.7 17.186 0.015 AB
PanSTARRS_r 478.69 2.62 17.200 0.006 AB
SDSS_i 592.49 8.66 16.968 0.016 AB
PanSTARRS_i 580.05 2.93 16.991 0.005 AB
PanSTARRS_z 633.73 4.99 16.895 0.009 AB
SDSS_z 788.4 22.44 16.658 0.031 AB
PanSTARRS_y 685.13 12.69 16.811 0.020 AB
2MASS_J 590.22 183.1 16.078 0.337 Vega
2MASS_H 975.06 284.25 15.060 0.317 Vega
2MASS_K 518.55 346.5 15.275 0.725 Vega
WISE_W1 331.06 16.06 14.901 0.053 Vega
WISE_W2 210.64 17.37 14.752 0.090 Vega
WISE_W3 499.05 74.88 11.981 0.163 Vega
WISE_W4 695.67 366.54 10.174 0.572 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})\, 8.127 8.369 8.529
{\rm log}_{10}({\rm SFR}) -1.893 -1.317 -0.535
{\rm log}_{10}({\rm sSFR}) -10.358 -9.647 -8.763
{\rm stellar\ age} 2.808 6.198 7.872

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.664 -1.178 -0.639
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.739 -1.113 -0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.239 0.667 1.209
\delta -0.321 -0.031 0.249
\tau_1/\tau_2 0.751 1.101 1.469
Q_{PAH} 0.726 1.929 4.144
U_{min} 2.736 7.924 14.961
{\rm log}_{10}(\gamma_e)\, -2.980 -1.839 -0.737

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.041 -0.516 0.115
{\rm log}_{10}(\tau_{AGN})\, 1.065 1.519 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.107 -1.546 -1.031
0.03-0.10 Gyr -1.952 -1.271 -0.431
0.10-0.33 Gyr -2.305 -1.528 -0.933
0.33-1.08 Gyr -2.546 -1.696 -1.204
1.08-3.57 Gyr -2.544 -1.657 -1.349
3.57-11.75 Gyr -2.677 -1.640 -1.352
11.75-13.06 Gyr -2.753 -1.641 -1.028

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.515 9.622 9.747
{\rm log}_{10}({\rm SFR}) -1.362 -0.182 0.252
{\rm log}_{10}({\rm sSFR}) -11.073 -9.811 -9.318
{\rm stellar\ age} 4.511 6.313 7.847

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.309 -0.951 -0.713
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.693 -0.527 0.322

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.129 0.229 0.383
\delta -0.681 -0.305 0.025
\tau_1/\tau_2 0.602 0.975 1.340
Q_{PAH} 0.365 1.126 2.480
U_{min} 2.794 8.176 15.608
{\rm log}_{10}(\gamma_e)\, -3.154 -2.281 -1.466

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.922 -2.507 -1.832
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.416 1.823

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.552 -1.502 -0.836
0.03-0.10 Gyr -1.318 -0.046 0.413
0.10-0.33 Gyr -0.183 0.207 0.480
0.33-1.08 Gyr -1.494 -0.324 -0.022
1.08-3.57 Gyr -0.962 -0.348 -0.031
3.57-11.75 Gyr -1.038 -0.371 -0.158
11.75-13.06 Gyr -1.255 -0.325 0.295