2025yku

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Information

Transient

Name: AT2025yku
Right ascension: 10h19m56.54s
Declination: 36d10m01.75s
Discovery Date: Sept. 20, 2025, 12:36 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.008

Host

Name:
Right ascension: 10h19m56.75s
Declination: 36d10m03.03s
Redshift: 0.053953
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.6
Transient MWEBV processed 0.04
Host match processed 5.24
Host information processed 0.05
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 5.61
Validate global photometry processed 15.85
Global host SED inference processed 402.81
Local aperture photometry processed 5.8
Validate local photometry processed 0.02
Local host SED inference processed 428.49
 

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) = 10h19m56.54s, 36d10m01.75s
semi major axis, semi minor axis (arcsec) = 1.91, 1.91
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 8.3 1.85 21.602 0.242 AB
SDSS_g 20.11 1.3 20.642 0.070 AB
DES_g 24.64 0.38 20.421 0.017 AB
PanSTARRS_g 25.24 0.44 20.395 0.019 AB
SDSS_r 29.52 1.67 20.225 0.061 AB
PanSTARRS_r 32.16 0.5 20.132 0.017 AB
SDSS_i 34.81 1.94 20.046 0.061 AB
PanSTARRS_i 41.93 0.43 19.844 0.011 AB
PanSTARRS_z 44.95 1.09 19.768 0.026 AB
SDSS_z 38.89 6.72 19.926 0.188 AB
DES_z 36.63 1.26 19.990 0.037 AB
PanSTARRS_y 50.08 2.4 19.651 0.052 AB

Aperture details

RA, DEC (J2000) = 10h19m56.72s, 36d10m03.25s
semi major axis, semi minor axis (arcsec) = 7.33, 4.28
angle (degrees, anti-clockwise from east) = -39.85

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 29.26 5.3 20.234 0.197 AB
GALEX_NUV 33.33 3.52 20.093 0.115 AB
SDSS_u 89.97 5.62 19.015 0.068 AB
SDSS_g 204.79 4.11 18.122 0.022 AB
DES_g 199.54 1.08 18.150 0.006 AB
PanSTARRS_g 200.35 1.27 18.146 0.007 AB
SDSS_r 290.9 5.16 17.741 0.019 AB
PanSTARRS_r 288.21 1.46 17.751 0.005 AB
SDSS_i 364.86 6.09 17.495 0.018 AB
PanSTARRS_i 386.49 1.26 17.432 0.004 AB
PanSTARRS_z 404.13 3.19 17.384 0.009 AB
SDSS_z 369.99 19.79 17.480 0.058 AB
DES_z 433.96 4.21 17.306 0.011 AB
PanSTARRS_y 456.51 6.97 17.251 0.017 AB
2MASS_J 354.28 144.45 16.632 0.443 Vega
2MASS_H 1022.17 239.25 15.009 0.254 Vega
2MASS_K 244.5 221.22 16.092 0.982 Vega
WISE_W1 248.35 15.3 15.213 0.067 Vega
WISE_W2 145.07 18.42 15.157 0.138 Vega
WISE_W3 499.3 81.83 11.980 0.178 Vega
WISE_W4 188.75 426.2 11.590 2.452 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})\, 8.349 8.533 8.659
{\rm log}_{10}({\rm SFR}) -1.636 -1.169 -0.598
{\rm log}_{10}({\rm sSFR}) -10.202 -9.710 -9.053
{\rm stellar\ age} 2.893 5.792 7.307

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.662 -1.246 -0.707
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.545 -1.065 -0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.190 0.497 0.860
\delta -0.568 -0.108 0.204
\tau_1/\tau_2 0.804 1.131 1.471
Q_{PAH} 0.695 2.455 5.131
U_{min} 2.798 7.835 14.754
{\rm log}_{10}(\gamma_e)\, -3.034 -1.947 -0.894

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.355 -0.538 -0.127
{\rm log}_{10}(\tau_{AGN})\, 1.049 1.452 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.695 -1.342 -0.969
0.03-0.10 Gyr -1.717 -1.132 -0.496
0.10-0.33 Gyr -1.682 -1.154 -0.661
0.33-1.08 Gyr -1.913 -1.310 -0.949
1.08-3.56 Gyr -1.980 -1.406 -1.149
3.56-11.73 Gyr -2.232 -1.476 -1.209
11.73-13.04 Gyr -2.492 -1.544 -1.012

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.502 9.567 9.664
{\rm log}_{10}({\rm SFR}) -0.676 -0.397 -0.052
{\rm log}_{10}({\rm sSFR}) -10.242 -9.967 -9.639
{\rm stellar\ age} 6.058 6.920 8.059

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.177 -0.822 -0.576
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.084 0.311 0.434

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.121 0.243 0.434
\delta -0.563 -0.105 0.202
\tau_1/\tau_2 0.589 0.919 1.231
Q_{PAH} 0.754 1.930 3.703
U_{min} 2.745 7.372 14.865
{\rm log}_{10}(\gamma_e)\, -2.864 -1.856 -1.107

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.040 -2.782 -1.785
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.459 1.890

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.023 -0.724 -0.565
0.03-0.10 Gyr -0.664 -0.301 0.089
0.10-0.33 Gyr -0.704 -0.357 -0.064
0.33-1.08 Gyr -0.926 -0.510 -0.295
1.08-3.56 Gyr -0.761 -0.432 -0.216
3.56-11.73 Gyr -0.505 -0.325 -0.184
11.73-13.04 Gyr -0.742 -0.287 0.198