2025ksm

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Information

Transient

Name: AT2025ksm
Right ascension: 13h51m08.94s
Declination: 17d08m18.66s
Discovery Date: May 15, 2025, 10:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name: 2025ksm
Right ascension: 13h51m08.71s
Declination: 17d08m17.20s
Redshift: 0.093880
Photometric Redshift: 0.104
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.25
Transient MWEBV processed 0.13
Host match processed 2.18
Host information processed 0.09
Host MWEBV processed 0.11
Global aperture construction processed 0.64
Global aperture photometry processed 7.14
Validate global photometry processed 20.87
Global host SED inference processed 365.74
Local aperture photometry processed 6.86
Validate local photometry processed 0.03
Local host SED inference processed 404.4
 

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) = 13h51m08.94s, 17d08m18.66s
semi major axis, semi minor axis (arcsec) = 1.15, 1.15
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 17.47 0.45 20.794 0.028 AB
PanSTARRS_i 22.95 0.44 20.498 0.021 AB
PanSTARRS_z 26.51 0.6 20.341 0.025 AB
DES_z 28.07 1.24 20.279 0.048 AB
PanSTARRS_y 28.81 1.63 20.251 0.061 AB

Aperture details

RA, DEC (J2000) = 13h51m08.71s, 17d08m16.99s
semi major axis, semi minor axis (arcsec) = 8.32, 6.08
angle (degrees, anti-clockwise from east) = -85.15

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.86 3.9 20.970 0.285 AB
GALEX_NUV 26.97 3.55 20.323 0.143 AB
SDSS_u 89.6 5.85 19.019 0.071 AB
SDSS_g 262.02 4.59 17.854 0.019 AB
DES_g 275.38 1.19 17.800 0.005 AB
PanSTARRS_g 271.47 1.73 17.816 0.007 AB
SDSS_r 455.22 6.22 17.254 0.015 AB
PanSTARRS_r 470.72 2.05 17.218 0.005 AB
DES_r 527.62 2.56 17.094 0.005 AB
SDSS_i 690.82 8.08 16.802 0.013 AB
PanSTARRS_i 667.58 2.69 16.839 0.004 AB
PanSTARRS_z 794.85 3.71 16.649 0.005 AB
SDSS_z 736.06 15.89 16.733 0.023 AB
DES_z 848.47 7.01 16.578 0.009 AB
PanSTARRS_y 927.57 10.02 16.482 0.012 AB
2MASS_J 947.57 149.38 15.564 0.171 Vega
2MASS_H 1255.87 261.62 14.785 0.226 Vega
2MASS_K 1760.07 288.77 13.948 0.178 Vega
WISE_W1 585.23 15.46 14.283 0.029 Vega
WISE_W2 377.88 20.72 14.118 0.060 Vega
WISE_W3 1133.3 66.43 11.090 0.064 Vega
WISE_W4 1536.09 418.86 9.314 0.296 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})\, 8.774 8.963 9.118
{\rm log}_{10}({\rm SFR}) -1.804 -1.082 -0.324
{\rm log}_{10}({\rm sSFR}) -10.781 -10.025 -9.189
{\rm stellar\ age} 2.267 5.994 7.608

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.444 -0.807 -0.227
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.393 -0.738 -0.016

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.297 0.761 1.261
\delta -0.398 -0.080 0.192
\tau_1/\tau_2 0.642 1.003 1.374
Q_{PAH} 1.082 2.701 4.898
U_{min} 2.967 8.146 15.329
{\rm log}_{10}(\gamma_e)\, -2.928 -1.703 -0.527

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.613 -0.475 0.155
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.503 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.771 -1.159 -0.634
0.03-0.10 Gyr -2.169 -1.144 -0.230
0.10-0.33 Gyr -2.311 -1.198 -0.461
0.33-1.06 Gyr -2.381 -1.049 -0.453
1.06-3.46 Gyr -2.679 -1.036 -0.740
3.46-11.28 Gyr -2.416 -1.019 -0.738
11.28-12.53 Gyr -2.221 -1.043 -0.422

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.410 10.454 10.501
{\rm log}_{10}({\rm SFR}) 0.107 0.388 0.643
{\rm log}_{10}({\rm sSFR}) -10.337 -10.077 -9.802
{\rm stellar\ age} 6.683 7.377 8.706

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.477 -0.352 -0.250
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.121 0.296 0.420

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.155 0.208 0.303
\delta -0.923 -0.764 -0.519
\tau_1/\tau_2 0.651 0.972 1.296
Q_{PAH} 0.616 1.549 2.984
U_{min} 2.061 6.509 12.801
{\rm log}_{10}(\gamma_e)\, -3.321 -2.324 -1.340

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.435 -3.534 -2.601
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.530 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.009 0.130 0.243
0.03-0.10 Gyr 0.118 0.473 0.764
0.10-0.33 Gyr -0.155 0.190 0.434
0.33-1.06 Gyr -0.342 0.025 0.250
1.06-3.46 Gyr -0.200 0.220 0.484
3.46-11.28 Gyr 0.454 0.625 0.712
11.28-12.53 Gyr 0.264 0.743 1.245