2025zkc

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Information

Transient

Name: AT2025zkc
Right ascension: 9h07m03.01s
Declination: 14d54m08.83s
Discovery Date: Sept. 30, 2025, 12:22 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name:
Right ascension: 9h07m02.90s
Declination: 14d54m07.79s
Redshift: None
Photometric Redshift: 0.050
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.16
Transient MWEBV processed 0.06
Host match processed 5.75
Host information processed 0.12
Host MWEBV processed 0.09
Global aperture construction processed 0.62
Global aperture photometry processed 6.08
Validate global photometry processed 14.12
Global host SED inference processed 421.81
Local aperture photometry processed 5.6
Validate local photometry processed 0.02
Local host SED inference processed 416.95
 

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) = 9h07m03.01s, 14d54m08.83s
semi major axis, semi minor axis (arcsec) = 2.03, 2.03
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 17.09 0.26 20.818 0.017 AB
PanSTARRS_g 16.71 0.32 20.843 0.021 AB
PanSTARRS_r 26.55 0.39 20.340 0.016 AB
DES_r 26.57 0.51 20.339 0.021 AB
PanSTARRS_i 27.54 0.55 20.300 0.022 AB
PanSTARRS_z 31.42 1.08 20.157 0.037 AB
DES_z 34.64 1.22 20.051 0.038 AB
PanSTARRS_y 32.48 2.9 20.121 0.097 AB

Aperture details

RA, DEC (J2000) = 9h07m02.87s, 14d54m07.79s
semi major axis, semi minor axis (arcsec) = 9.9, 5.59
angle (degrees, anti-clockwise from east) = -142.8

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 17.09 3.15 20.818 0.200 AB
GALEX_NUV 26.84 2.63 20.328 0.106 AB
DES_g 107.21 0.78 18.824 0.008 AB
PanSTARRS_g 100.13 1.16 18.899 0.013 AB
PanSTARRS_r 153.44 1.41 18.435 0.010 AB
DES_r 155.4 1.46 18.421 0.010 AB
PanSTARRS_i 158.67 2.0 18.399 0.014 AB
PanSTARRS_z 168.69 3.9 18.332 0.025 AB
DES_z 186.73 3.47 18.222 0.020 AB
PanSTARRS_y 192.27 10.5 18.190 0.059 AB
2MASS_J 357.56 183.26 16.622 0.556 Vega
2MASS_H -28.32 310.55 Vega
2MASS_K 303.46 257.98 15.857 0.923 Vega
WISE_W1 80.03 13.98 16.443 0.190 Vega
WISE_W2 -0.15 17.49 Vega
WISE_W3 95.8 98.01 13.773 1.111 Vega
WISE_W4 947.79 593.15 9.838 0.679 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})\, 8.035 8.298 8.462
{\rm log}_{10}({\rm SFR}) -1.786 -1.255 -0.688
{\rm log}_{10}({\rm sSFR}) -10.168 -9.569 -8.785
{\rm stellar\ age} 2.316 5.236 7.003

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.605 -0.956 -0.304
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.855 -1.590 0.003

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.202 0.470 0.885
\delta -0.733 -0.317 0.113
\tau_1/\tau_2 0.756 1.117 1.465
Q_{PAH} 1.164 3.047 5.372
U_{min} 2.880 7.751 14.789
{\rm log}_{10}(\gamma_e)\, -2.884 -1.890 -0.878

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.074 -0.576 -0.101
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.527 1.870

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.741 -1.314 -0.947
0.03-0.10 Gyr -1.928 -1.243 -0.589
0.10-0.33 Gyr -2.000 -1.314 -0.816
0.33-1.09 Gyr -2.140 -1.462 -1.081
1.09-3.57 Gyr -2.297 -1.618 -1.340
3.57-11.77 Gyr -2.653 -1.782 -1.439
11.77-13.08 Gyr -2.788 -1.830 -1.274

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.856 8.981 9.115
{\rm log}_{10}({\rm SFR}) -0.878 -0.607 -0.333
{\rm log}_{10}({\rm sSFR}) -9.908 -9.599 -9.279
{\rm stellar\ age} 3.862 5.668 7.014

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.396 -0.818 -0.415
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.148 0.309 0.422

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.082 0.220 0.422
\delta -0.553 -0.051 0.237
\tau_1/\tau_2 0.671 1.007 1.379
Q_{PAH} 0.635 2.203 4.418
U_{min} 2.952 8.025 15.219
{\rm log}_{10}(\gamma_e)\, -2.497 -1.532 -0.557

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.683 -2.011 -1.063
{\rm log}_{10}(\tau_{AGN})\, 1.160 1.559 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.977 -0.798 -0.611
0.03-0.10 Gyr -0.878 -0.545 -0.224
0.10-0.33 Gyr -0.734 -0.452 -0.180
0.33-1.09 Gyr -1.045 -0.696 -0.451
1.09-3.57 Gyr -1.236 -0.911 -0.686
3.57-11.77 Gyr -1.420 -1.038 -0.796
11.77-13.08 Gyr -1.609 -1.011 -0.557