2025kul

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Information

Transient

Name: AT2025kul
Right ascension: 8h18m31.27s
Declination: -5d25m59.83s
Discovery Date: May 20, 2025, 12:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.064

Host

Name: 2025kul
Right ascension: 8h18m31.03s
Declination: -5d25m47.04s
Redshift: 0.070520
Photometric Redshift: 0.041
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.56
Transient MWEBV processed 0.06
Host match processed 2.82
Host information processed 0.12
Host MWEBV processed 0.07
Global aperture construction processed 0.7
Global aperture photometry processed 5.63
Validate global photometry processed 17.12
Global host SED inference processed 383.13
Local aperture photometry processed 5.17
Validate local photometry processed 0.02
Local host SED inference processed 472.49
 

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) = 8h18m31.27s, -5d25m59.83s
semi major axis, semi minor axis (arcsec) = 1.49, 1.49
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 0.49 0.47 24.682 1.046 AB
PanSTARRS_g 1.0 0.36 23.902 0.391 AB
SDSS_r 2.29 0.78 22.998 0.367 AB
PanSTARRS_r 2.63 0.49 22.849 0.203 AB
SDSS_i 1.58 1.21 23.402 0.827 AB
PanSTARRS_i 3.15 0.51 22.654 0.175 AB
PanSTARRS_z 3.03 0.99 22.695 0.355 AB
SDSS_z -1.9 3.48 AB
PanSTARRS_y 6.46 3.06 21.874 0.514 AB

Aperture details

RA, DEC (J2000) = 8h18m31.01s, -5d25m46.86s
semi major axis, semi minor axis (arcsec) = 10.92, 8.55
angle (degrees, anti-clockwise from east) = -173.34

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 41.61 5.03 19.852 0.131 AB
GALEX_NUV 62.48 4.02 19.411 0.070 AB
SDSS_u 217.56 7.99 18.056 0.040 AB
SDSS_g 697.4 7.31 16.791 0.011 AB
PanSTARRS_g 781.48 2.4 16.668 0.003 AB
SDSS_r 1251.48 10.1 16.156 0.009 AB
PanSTARRS_r 1341.59 3.22 16.081 0.003 AB
SDSS_i 1816.5 13.21 15.752 0.008 AB
PanSTARRS_i 1906.38 3.35 15.699 0.002 AB
PanSTARRS_z 2248.7 6.57 15.520 0.003 AB
SDSS_z 2169.49 25.46 15.559 0.013 AB
PanSTARRS_y 2591.58 19.85 15.366 0.008 AB
2MASS_J 2649.23 292.82 14.447 0.120 Vega
2MASS_H 4210.78 403.75 13.471 0.104 Vega
2MASS_K 4165.86 514.97 13.013 0.134 Vega
WISE_W1 1913.97 32.3 12.996 0.018 Vega
WISE_W2 1256.11 34.96 12.813 0.030 Vega
WISE_W3 5806.23 162.34 9.316 0.030 Vega
WISE_W4 4885.42 938.81 8.058 0.209 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})\, 7.299 7.761 8.132
{\rm log}_{10}({\rm SFR}) -1.556 -1.075 -0.557
{\rm log}_{10}({\rm sSFR}) -9.511 -8.775 -7.966
{\rm stellar\ age} 0.096 3.122 6.496

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.485 -0.848 -0.169
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.181 -0.309 0.258

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.082 1.633 2.333
\delta -0.079 0.141 0.303
\tau_1/\tau_2 0.674 1.054 1.455
Q_{PAH} 1.024 2.542 4.783
U_{min} 3.311 9.172 16.853
{\rm log}_{10}(\gamma_e)\, -3.191 -2.183 -0.796

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.506 -0.364 0.286
{\rm log}_{10}(\tau_{AGN})\, 1.082 1.548 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.432 -0.836 -0.275
0.03-0.10 Gyr -3.176 -1.577 -0.818
0.10-0.33 Gyr -4.093 -1.876 -1.152
0.33-1.07 Gyr -5.276 -2.295 -1.595
1.07-3.52 Gyr -6.353 -2.645 -1.792
3.52-11.54 Gyr -6.871 -2.850 -1.878
11.54-12.82 Gyr -6.950 -2.938 -1.755

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.580 10.629 10.676
{\rm log}_{10}({\rm SFR}) 0.298 0.517 0.756
{\rm log}_{10}({\rm sSFR}) -10.338 -10.116 -9.872
{\rm stellar\ age} 6.075 6.864 7.763

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.573 -0.390 -0.253
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.484 0.079 0.316

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.200 0.296 0.429
\delta -0.558 -0.314 -0.119
\tau_1/\tau_2 0.821 1.143 1.490
Q_{PAH} 1.788 2.963 4.515
U_{min} 2.358 6.903 13.865
{\rm log}_{10}(\gamma_e)\, -2.966 -1.990 -1.233

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.057 -2.067 -1.541
{\rm log}_{10}(\tau_{AGN})\, 1.084 1.519 1.896

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.184 0.318 0.443
0.03-0.10 Gyr 0.289 0.585 0.870
0.10-0.33 Gyr 0.326 0.582 0.814
0.33-1.07 Gyr 0.272 0.520 0.693
1.07-3.52 Gyr 0.401 0.660 0.845
3.52-11.54 Gyr 0.608 0.751 0.849
11.54-12.82 Gyr 0.375 0.797 1.175