2025ktd

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Information

Transient

Name: AT2025ktd
Right ascension: 0h09m18.33s
Declination: 14d17m16.58s
Discovery Date: May 15, 2025, 11:28 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.085

Host

Name: 2025ktd
Right ascension: 0h09m18.36s
Declination: 14d17m16.33s
Redshift: None
Photometric Redshift: 0.098
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.81
Transient MWEBV processed 0.11
Host match processed 1.54
Host information processed 0.09
Host MWEBV processed 0.09
Global aperture construction processed 0.74
Global aperture photometry processed 6.89
Validate global photometry processed 18.79
Global host SED inference processed 505.97
Local aperture photometry processed 6.75
Validate local photometry processed 0.02
Local host SED inference processed 485.84
 

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) = 0h09m18.33s, 14d17m16.58s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 29.25 0.45 20.235 0.017 AB
PanSTARRS_z 44.17 0.82 19.787 0.020 AB
DES_z 36.0 1.32 20.009 0.040 AB
PanSTARRS_y 42.56 1.68 19.827 0.043 AB

Aperture details

RA, DEC (J2000) = 0h09m18.34s, 14d17m16.42s
semi major axis, semi minor axis (arcsec) = 3.98, 3.3
angle (degrees, anti-clockwise from east) = -89.91

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 5.22 4.67 22.107 0.972 AB
SDSS_u 29.89 3.39 20.211 0.123 AB
SDSS_g 45.22 2.01 19.762 0.048 AB
DES_g 49.84 0.4 19.656 0.009 AB
PanSTARRS_g 47.93 0.85 19.699 0.019 AB
SDSS_r 73.8 2.65 19.230 0.039 AB
PanSTARRS_r 73.82 1.15 19.230 0.017 AB
DES_r 74.5 0.82 19.220 0.012 AB
SDSS_i 85.03 3.43 19.076 0.044 AB
PanSTARRS_i 91.87 1.08 18.992 0.013 AB
PanSTARRS_z 96.72 2.6 18.936 0.029 AB
SDSS_z 83.54 7.26 19.095 0.094 AB
DES_z 100.11 2.35 18.899 0.025 AB
PanSTARRS_y 115.17 5.36 18.747 0.050 AB
2MASS_J 318.63 111.07 16.747 0.378 Vega
2MASS_H 66.54 193.1 17.975 3.151 Vega
2MASS_K 28.4 172.95 18.429 6.611 Vega
WISE_W1 36.76 7.89 17.288 0.233 Vega
WISE_W2 32.27 10.62 16.789 0.357 Vega
WISE_W3 16.28 64.16 15.697 4.279 Vega
WISE_W4 296.72 366.49 11.099 1.341 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})\, 8.820 9.087 9.271
{\rm log}_{10}({\rm SFR}) -1.160 -0.449 0.188
{\rm log}_{10}({\rm sSFR}) -10.302 -9.528 -8.746
{\rm stellar\ age} 1.854 5.516 7.473

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.741 -1.334 -0.642
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.528 -0.653 0.214

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.244 0.535 0.938
\delta -0.740 -0.329 0.107
\tau_1/\tau_2 0.552 0.979 1.406
Q_{PAH} 0.653 2.265 5.141
U_{min} 3.173 8.227 14.890
{\rm log}_{10}(\gamma_e)\, -3.118 -1.918 -0.620

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.022 -0.765 -0.025
{\rm log}_{10}(\tau_{AGN})\, 1.114 1.527 2.005

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.158 -0.549 -0.039
0.03-0.10 Gyr -1.572 -0.517 0.253
0.10-0.33 Gyr -1.922 -0.819 -0.172
0.33-1.06 Gyr -2.074 -0.907 -0.304
1.06-3.45 Gyr -2.325 -0.943 -0.583
3.45-11.23 Gyr -2.323 -0.950 -0.597
11.23-12.48 Gyr -2.377 -1.008 -0.290

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.041 9.303 9.489
{\rm log}_{10}({\rm SFR}) -0.454 0.110 0.629
{\rm log}_{10}({\rm sSFR}) -9.849 -9.252 -8.485
{\rm stellar\ age} 1.989 5.241 7.215

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.366 -0.747 -0.296
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.304 0.129 0.347

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.109 0.229 0.401
\delta -0.900 -0.639 -0.280
\tau_1/\tau_2 0.539 1.014 1.489
Q_{PAH} 0.620 1.803 3.863
U_{min} 3.096 9.181 16.161
{\rm log}_{10}(\gamma_e)\, -2.493 -1.467 -0.528

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.931 -2.266 -1.458
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.533 1.877

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.352 -0.766 -0.475
0.03-0.10 Gyr -0.364 0.250 0.786
0.10-0.33 Gyr -1.914 -0.173 0.234
0.33-1.06 Gyr -2.831 -0.669 -0.138
1.06-3.45 Gyr -2.903 -0.760 -0.387
3.45-11.23 Gyr -2.443 -0.811 -0.434
11.23-12.48 Gyr -2.403 -0.767 -0.029