2025zyk results

Information

Transient
Name:AT2025zyk
Right ascension: 4h49m54.08s
Declination:0d57m57.68s
Discovery Date:Sept. 28, 2025, 2:08 p.m.
Classification:None
Redshift:None
MW E(B-V):0.085
Host
Name:
Right ascension: 4h49m54.14s
Declination:0d57m59.23s
Redshift:None
Photometric Redshift:0.177
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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_z
 GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 16.28
Transient MWEBV processed 0.06
Host match processed 6.3
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.78
Validate global photometry processed 17.08
Global host SED inference processed 409.42
Local aperture photometry processed 6.45
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):4h49m54.13s, 0d57m59.33s
semi major axis, semi minor axis (arcsec):7.62, 3.97
angle (degrees, anti-clockwise from east):-156.31
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 50.94 4.63 19.632 0.099 AB
SDSS_g 93.49 2.92 18.973 0.034 AB
DES_g 87.68 0.65 19.043 0.008 AB
PanSTARRS_g 94.3 1.39 18.964 0.016 AB
SDSS_r 192.55 4.37 18.189 0.025 AB
PanSTARRS_r 206.35 1.57 18.113 0.008 AB
DES_r 204.35 1.29 18.124 0.007 AB
SDSS_i 300.04 6.35 17.707 0.023 AB
PanSTARRS_i 292.49 2.53 17.735 0.009 AB
PanSTARRS_z 371.04 3.71 17.476 0.011 AB
SDSS_z 424.65 17.53 17.330 0.045 AB
DES_z 376.04 4.05 17.462 0.012 AB
PanSTARRS_y 434.2 8.46 17.306 0.021 AB
2MASS_J 984.58 195.68 15.522 0.216 Vega
2MASS_H 1098.15 292.31 14.931 0.289 Vega
2MASS_K 910.61 328.58 14.664 0.392 Vega
WISE_W1 415.81 17.09 14.654 0.045 Vega
WISE_W2 300.2 18.97 14.367 0.069 Vega
WISE_W3 511.57 79.2 11.954 0.168 Vega
 

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})\, 10.694 10.771 10.838
{\rm log}_{10}({\rm SFR}) 0.764 1.170 1.519
{\rm log}_{10}({\rm sSFR}) -10.069 -9.616 -9.251
{\rm stellar\ age} 5.811 6.737 8.600

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.481 -0.273 -0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.781 -1.252 0.077

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.253 0.395 0.600
\delta -0.774 -0.492 -0.244
\tau_1/\tau_2 0.513 0.935 1.381
Q_{PAH} 0.547 1.413 3.066
U_{min} 2.333 6.773 14.147
{\rm log}_{10}(\gamma_e)\, -3.306 -2.487 -1.686

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.067 -2.843 -1.843
{\rm log}_{10}(\tau_{AGN})\, 0.932 1.337 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.241 0.611 0.860
0.03-0.10 Gyr 0.850 1.297 1.657
0.10-0.32 Gyr -0.810 0.420 0.873
0.32-1.02 Gyr -1.563 0.145 0.604
1.02-3.26 Gyr -0.344 0.559 0.915
3.26-10.40 Gyr 0.585 0.922 1.063
10.40-11.56 Gyr 0.492 1.083 1.741