2025zkx

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Information

Transient

Name: AT2025zkx
Right ascension: 5h03m43.68s
Declination: -23d09m15.39s
Discovery Date: Sept. 30, 2025, 11:01 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name:
Right ascension: 5h03m43.52s
Declination: -23d09m17.28s
Redshift: None
Photometric Redshift: 0.077
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 7.37
Cutout download processed 5.71
Global aperture construction processed 0.63
Local aperture photometry processed 5.32
Global aperture photometry processed 5.99
Validate local photometry processed 0.02
Validate global photometry processed 13.9
Host information processed 0.15
Global host SED inference processed 397.01
Local host SED inference processed 448.65
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.11
Processing status completed N/A N/A
 

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) = 5h03m43.68s, -23d09m15.39s
semi major axis, semi minor axis (arcsec) = 1.38, 1.38
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 32.32 0.23 20.126 0.008 AB
PanSTARRS_g 31.31 0.37 20.161 0.013 AB
PanSTARRS_r 56.1 0.44 19.528 0.008 AB
DES_r 65.22 0.26 19.364 0.004 AB
PanSTARRS_i 78.4 0.45 19.164 0.006 AB
PanSTARRS_z 95.66 1.19 18.948 0.014 AB
DES_z 105.86 1.12 18.838 0.011 AB
PanSTARRS_y 111.56 2.13 18.781 0.021 AB

Aperture details

RA, DEC (J2000) = 5h03m43.50s, -23d09m17.25s
semi major axis, semi minor axis (arcsec) = 12.94, 12.08
angle (degrees, anti-clockwise from east) = -2.72

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 49.08 5.59 19.673 0.124 AB
GALEX_NUV 71.47 3.27 19.265 0.050 AB
DES_g 700.72 1.22 16.786 0.002 AB
PanSTARRS_g 720.29 3.16 16.756 0.005 AB
PanSTARRS_r 1213.99 3.81 16.189 0.003 AB
DES_r 1325.27 1.31 16.094 0.001 AB
PanSTARRS_i 1702.19 3.95 15.822 0.003 AB
PanSTARRS_z 1948.57 10.68 15.676 0.006 AB
DES_z 2114.04 5.42 15.587 0.003 AB
PanSTARRS_y 2276.22 19.24 15.507 0.009 AB
2MASS_J 3015.6 318.22 14.307 0.115 Vega
2MASS_H 3331.87 435.46 13.726 0.142 Vega
2MASS_K 3969.45 577.15 13.065 0.158 Vega
WISE_W1 1475.65 26.34 13.279 0.019 Vega
WISE_W2 869.24 31.43 13.213 0.039 Vega
WISE_W3 2457.11 124.56 10.250 0.055 Vega
WISE_W4 1268.76 561.01 9.522 0.480 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.288 9.404 9.512
{\rm log}_{10}({\rm SFR}) -2.146 -1.379 -0.668
{\rm log}_{10}({\rm sSFR}) -11.577 -10.776 -10.042
{\rm stellar\ age} 4.363 6.779 8.308

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.482 -0.772 -0.216
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.661 -0.450 0.271

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.170 0.536 1.037
\delta -0.612 -0.199 0.180
\tau_1/\tau_2 0.662 1.007 1.357
Q_{PAH} 0.715 2.521 5.390
U_{min} 2.970 8.111 14.975
{\rm log}_{10}(\gamma_e)\, -2.988 -1.735 -0.469

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.051 -0.648 0.013
{\rm log}_{10}(\tau_{AGN})\, 1.090 1.466 1.894

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.395 -1.544 -0.975
0.03-0.10 Gyr -2.490 -1.394 -0.593
0.10-0.33 Gyr -2.180 -1.167 -0.392
0.33-1.07 Gyr -1.812 -0.836 -0.236
1.07-3.50 Gyr -1.436 -0.610 -0.310
3.50-11.47 Gyr -1.052 -0.513 -0.314
11.47-12.74 Gyr -1.281 -0.510 0.080

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.637 10.690 10.745
{\rm log}_{10}({\rm SFR}) 0.087 0.314 0.577
{\rm log}_{10}({\rm sSFR}) -10.614 -10.377 -10.111
{\rm stellar\ age} 6.817 7.510 8.814

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.625 -0.454 -0.313
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.314 0.196 0.389

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.118 0.189 0.308
\delta -0.620 -0.282 0.013
\tau_1/\tau_2 0.758 1.114 1.488
Q_{PAH} 0.677 1.999 3.813
U_{min} 2.289 6.828 14.324
{\rm log}_{10}(\gamma_e)\, -2.610 -1.546 -0.744

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.405 -3.480 -2.457
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.545 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.180 0.105 0.259
0.03-0.10 Gyr 0.062 0.386 0.703
0.10-0.33 Gyr 0.137 0.425 0.687
0.33-1.07 Gyr -0.018 0.313 0.537
1.07-3.50 Gyr 0.023 0.467 0.722
3.50-11.47 Gyr 0.668 0.852 0.952
11.47-12.74 Gyr 0.517 0.983 1.473