2025zkm

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Information

Transient

Name: AT2025zkm
Right ascension: 16h47m49.56s
Declination: 16d32m28.66s
Discovery Date: Sept. 26, 2025, 8:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name:
Right ascension: 16h47m50.92s
Declination: 16d32m38.69s
Redshift: None
Photometric Redshift: 0.103
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.71
Transient MWEBV processed 0.04
Host match processed 4.5
Host information processed 0.16
Host MWEBV processed 0.03
Global aperture construction processed 0.67
Global aperture photometry processed 7.14
Validate global photometry processed 16.73
Global host SED inference processed 439.58
Local aperture photometry processed 6.33
Validate local photometry processed 0.02
Local host SED inference failed 0.0
 

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) = 16h47m49.56s, 16d32m28.66s
semi major axis, semi minor axis (arcsec) = 1.06, 1.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 1.3 0.59 23.613 0.489 AB
PanSTARRS_y 3.47 1.54 22.550 0.482 AB

Aperture details

RA, DEC (J2000) = 16h47m50.90s, 16d32m39.16s
semi major axis, semi minor axis (arcsec) = 12.27, 10.19
angle (degrees, anti-clockwise from east) = -105.24

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 63.58 8.99 19.392 0.154 AB
SDSS_g 397.25 5.87 17.402 0.016 AB
DES_g 390.52 1.53 17.421 0.004 AB
PanSTARRS_g 377.11 2.25 17.459 0.006 AB
SDSS_r 671.56 8.02 16.832 0.013 AB
PanSTARRS_r 702.32 2.53 16.784 0.004 AB
DES_r 754.12 3.2 16.706 0.005 AB
SDSS_i 967.03 10.73 16.436 0.012 AB
PanSTARRS_i 937.57 3.28 16.470 0.004 AB
PanSTARRS_z 1128.32 8.23 16.269 0.008 AB
SDSS_z 1225.4 27.93 16.179 0.025 AB
PanSTARRS_y 1217.08 16.32 16.187 0.015 AB
2MASS_J 1525.41 263.62 15.047 0.188 Vega
2MASS_H 1891.9 471.89 14.340 0.271 Vega
2MASS_K 1928.88 488.89 13.849 0.275 Vega
WISE_W1 914.49 24.38 13.798 0.029 Vega
WISE_W2 624.46 25.03 13.572 0.044 Vega
WISE_W3 1557.05 126.54 10.745 0.088 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.483 10.631 10.737
{\rm log}_{10}({\rm SFR}) -1.356 -0.537 0.127
{\rm log}_{10}({\rm sSFR}) -11.935 -11.159 -10.538
{\rm stellar\ age} 2.573 5.731 7.186

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.066 -0.641 -0.376
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.660 -0.791 0.196

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.108 0.274 0.548
\delta -0.562 -0.122 0.224
\tau_1/\tau_2 0.537 0.911 1.330
Q_{PAH} 1.113 2.794 5.103
U_{min} 2.317 7.597 15.289
{\rm log}_{10}(\gamma_e)\, -3.153 -2.213 -0.829

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.915 -1.801 -1.283
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.423 1.814

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.413 -0.402 0.041
0.03-0.10 Gyr -3.040 -0.766 0.176
0.10-0.33 Gyr -2.362 -0.539 0.552
0.33-1.06 Gyr -0.466 0.626 1.117
1.06-3.44 Gyr 0.474 0.910 1.214
3.44-11.17 Gyr -0.688 0.631 0.897
11.17-12.41 Gyr -1.330 0.481 1.152