2025kzn

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Information

Transient

Name: AT2025kzn
Right ascension: 15h25m21.16s
Declination: 7d57m22.55s
Discovery Date: May 17, 2025, 9:32 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name: 2025kzn
Right ascension: 15h25m21.41s
Declination: 7d57m21.28s
Redshift: 0.077914
Photometric Redshift: 0.093
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 14.63
Transient MWEBV processed 0.08
Host match processed 2.66
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.71
Global aperture photometry processed 5.75
Validate global photometry processed 16.57
Global host SED inference processed 482.68
Local aperture photometry processed 5.64
Validate local photometry processed 0.02
Local host SED inference processed 413.2
 

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) = 15h25m21.16s, 7d57m22.55s
semi major axis, semi minor axis (arcsec) = 1.36, 1.36
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 30.63 0.35 20.185 0.012 AB
SDSS_r 41.5 1.78 19.855 0.047 AB
PanSTARRS_r 41.4 0.48 19.857 0.012 AB
SDSS_i 55.56 2.21 19.538 0.043 AB
PanSTARRS_i 57.75 0.53 19.496 0.010 AB
PanSTARRS_z 63.72 0.9 19.389 0.015 AB
SDSS_z 64.76 4.23 19.372 0.071 AB
PanSTARRS_y 67.26 1.9 19.331 0.031 AB

Aperture details

RA, DEC (J2000) = 15h25m21.67s, 7d57m20.66s
semi major axis, semi minor axis (arcsec) = 15.58, 5.7
angle (degrees, anti-clockwise from east) = -82.19

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 250.78 15.74 17.902 0.068 AB
GALEX_NUV 317.17 10.14 17.647 0.035 AB
SDSS_g 1043.19 8.81 16.354 0.009 AB
PanSTARRS_g 1051.61 2.37 16.345 0.002 AB
SDSS_r 1362.17 10.52 16.064 0.008 AB
PanSTARRS_r 1365.96 3.31 16.061 0.003 AB
SDSS_i 1911.2 13.54 15.697 0.008 AB
PanSTARRS_i 1831.76 3.55 15.743 0.002 AB
PanSTARRS_z 2001.32 6.2 15.647 0.003 AB
SDSS_z 2198.17 28.4 15.545 0.014 AB
PanSTARRS_y 2266.96 13.17 15.511 0.006 AB
2MASS_H 2641.01 369.52 13.978 0.152 Vega
2MASS_K 3753.57 448.15 13.126 0.130 Vega
WISE_W1 1891.54 26.99 13.009 0.015 Vega
WISE_W2 1425.06 31.39 12.676 0.024 Vega
WISE_W3 8320.4 111.78 8.926 0.015 Vega
WISE_W4 27252.99 1041.69 6.191 0.041 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})\, 8.776 9.016 9.159
{\rm log}_{10}({\rm SFR}) -1.113 -0.604 -0.023
{\rm log}_{10}({\rm sSFR}) -10.175 -9.608 -8.863
{\rm stellar\ age} 1.814 5.270 6.895

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.466 -0.803 -0.286
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.432 -0.855 -0.197

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.260 0.586 0.960
\delta -0.591 -0.187 0.171
\tau_1/\tau_2 0.671 1.012 1.365
Q_{PAH} 0.740 2.546 5.225
U_{min} 3.104 8.254 15.664
{\rm log}_{10}(\gamma_e)\, -3.197 -1.996 -0.810

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.622 -1.126 -0.149
{\rm log}_{10}(\tau_{AGN})\, 1.141 1.487 1.989

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.246 -0.927 -0.654
0.03-0.10 Gyr -1.168 -0.520 0.112
0.10-0.33 Gyr -1.124 -0.522 -0.035
0.33-1.07 Gyr -1.406 -0.737 -0.351
1.07-3.50 Gyr -1.909 -0.927 -0.645
3.50-11.46 Gyr -2.308 -1.036 -0.734
11.46-12.73 Gyr -2.300 -1.082 -0.533

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.034 10.443 10.587
{\rm log}_{10}({\rm SFR}) 1.308 1.573 1.830
{\rm log}_{10}({\rm sSFR}) -9.260 -8.849 -8.234
{\rm stellar\ age} 2.666 6.189 7.662

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.411 -0.199 -0.026
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.698 0.177 0.406

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.232 0.476 0.702
\delta 0.051 0.191 0.338
\tau_1/\tau_2 0.795 1.205 1.590
Q_{PAH} 0.305 0.881 2.288
U_{min} 2.592 7.454 14.871
{\rm log}_{10}(\gamma_e)\, -3.245 -2.022 -1.237

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.062 -1.661 -1.262
{\rm log}_{10}(\tau_{AGN})\, 1.081 1.500 1.863

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.576 0.794 1.017
0.03-0.10 Gyr 1.445 1.712 1.974
0.10-0.33 Gyr -0.904 0.369 0.891
0.33-1.07 Gyr -1.324 0.031 0.504
1.07-3.50 Gyr -0.740 0.275 0.627
3.50-11.46 Gyr -0.748 0.418 0.691
11.46-12.73 Gyr -0.701 0.510 1.107