2025ktk

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Information

Transient

Name: AT2025ktk
Right ascension: 15h26m05.13s
Declination: 16d02m54.02s
Discovery Date: May 19, 2025, 7:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.037

Host

Name: 2025ktk
Right ascension: 15h26m05.03s
Declination: 16d02m53.63s
Redshift: None
Photometric Redshift: 0.108
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.79
Transient MWEBV processed 0.06
Host match processed 2.17
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 7.95
Validate global photometry processed 19.93
Global host SED inference processed 434.32
Local aperture photometry processed 7.49
Validate local photometry processed 0.03
Local host SED inference not enough filters 19.69
 

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) = 15h26m05.13s, 16d02m54.02s
semi major axis, semi minor axis (arcsec) = 1.01, 1.01
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 36.06 1.29 20.008 0.039 AB

Aperture details

RA, DEC (J2000) = 15h26m05.01s, 16d02m53.66s
semi major axis, semi minor axis (arcsec) = 5.33, 4.11
angle (degrees, anti-clockwise from east) = -145.21

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.64 4.33 20.724 0.252 AB
GALEX_NUV 24.5 3.22 20.427 0.143 AB
SDSS_u 52.04 4.31 19.609 0.090 AB
SDSS_g 101.83 2.91 18.880 0.031 AB
DES_g 119.06 0.48 18.711 0.004 AB
PanSTARRS_g 118.36 1.23 18.717 0.011 AB
SDSS_r 198.04 4.18 18.158 0.023 AB
PanSTARRS_r 203.99 1.33 18.126 0.007 AB
DES_r 213.53 1.18 18.076 0.006 AB
SDSS_i 265.09 5.39 17.842 0.022 AB
PanSTARRS_i 266.32 1.38 17.837 0.006 AB
PanSTARRS_z 301.0 2.72 17.704 0.010 AB
SDSS_z 363.63 18.09 17.498 0.054 AB
DES_z 321.04 4.0 17.634 0.014 AB
PanSTARRS_y 361.26 7.05 17.505 0.021 AB
2MASS_J 524.63 98.66 16.205 0.204 Vega
2MASS_H 499.69 168.21 15.786 0.365 Vega
2MASS_K 152.54 168.6 16.604 1.200 Vega
WISE_W1 192.3 10.04 15.491 0.057 Vega
WISE_W2 136.17 14.34 15.226 0.114 Vega
WISE_W3 393.0 43.68 12.240 0.121 Vega
WISE_W4 194.25 263.53 11.559 1.473 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

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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})\, 10.158 10.202 10.288
{\rm log}_{10}({\rm SFR}) 0.066 0.258 0.466
{\rm log}_{10}({\rm sSFR}) -10.153 -9.935 -9.752
{\rm stellar\ age} 7.315 8.384 11.018

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.682 -0.491 -0.358
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.384 -0.127 0.011

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.040 0.075 0.135
\delta -0.862 -0.592 -0.191
\tau_1/\tau_2 0.770 1.162 1.570
Q_{PAH} 0.784 1.977 3.682
U_{min} 2.591 7.374 14.344
{\rm log}_{10}(\gamma_e)\, -2.225 -1.279 -0.482

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.949 -2.645 -1.740
{\rm log}_{10}(\tau_{AGN})\, 1.052 1.509 1.875

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.414 -0.206 -0.049
0.03-0.10 Gyr 0.157 0.376 0.598
0.10-0.32 Gyr -1.118 -0.329 0.046
0.32-1.05 Gyr -1.676 -0.771 -0.346
1.05-3.42 Gyr -1.589 -0.663 -0.179
3.42-11.12 Gyr -0.431 0.323 0.451
11.12-12.36 Gyr 0.272 0.845 1.399