2025ykp

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Information

Transient

Name: AT2025ykp
Right ascension: 8h26m10.76s
Declination: 57d45m04.32s
Discovery Date: Sept. 20, 2025, 10:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.106

Host

Name:
Right ascension: 8h26m10.90s
Declination: 57d45m03.08s
Redshift: 0.088172
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.24
Transient MWEBV processed 0.04
Host match processed 6.16
Host information processed 0.05
Host MWEBV processed 0.04
Global aperture construction processed 0.69
Global aperture photometry processed 5.78
Validate global photometry processed 17.92
Global host SED inference processed 461.23
Local aperture photometry processed 6.26
Validate local photometry processed 0.03
Local host SED inference processed 413.02
 

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) = 8h26m10.76s, 57d45m04.32s
semi major axis, semi minor axis (arcsec) = 1.21, 1.21
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 12.47 0.21 21.160 0.018 AB
PanSTARRS_r 23.72 0.41 20.462 0.019 AB
PanSTARRS_i 30.57 0.32 20.187 0.011 AB
PanSTARRS_z 34.84 0.88 20.045 0.027 AB
DES_z 34.91 0.92 20.043 0.029 AB
PanSTARRS_y 37.76 2.01 19.957 0.058 AB

Aperture details

RA, DEC (J2000) = 8h26m10.88s, 57d45m03.36s
semi major axis, semi minor axis (arcsec) = 7.7, 6.64
angle (degrees, anti-clockwise from east) = -11.37

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.54 4.06 20.993 0.303 AB
GALEX_NUV 10.31 2.89 21.367 0.305 AB
SDSS_u 35.94 5.72 20.011 0.173 AB
SDSS_g 129.79 3.63 18.617 0.030 AB
DES_g 128.28 0.71 18.630 0.006 AB
PanSTARRS_g 134.67 1.41 18.577 0.011 AB
SDSS_r 214.17 5.12 18.073 0.026 AB
PanSTARRS_r 219.32 2.33 18.047 0.012 AB
SDSS_i 288.21 7.21 17.751 0.027 AB
PanSTARRS_i 288.48 1.85 17.750 0.007 AB
PanSTARRS_z 309.11 5.11 17.675 0.018 AB
SDSS_z 415.34 23.49 17.354 0.061 AB
DES_z 345.25 3.45 17.555 0.011 AB
PanSTARRS_y 357.66 11.74 17.516 0.036 AB
2MASS_J 418.63 170.3 16.451 0.442 Vega
2MASS_H 835.21 254.49 15.228 0.331 Vega
2MASS_K 428.49 314.79 15.482 0.798 Vega
WISE_W1 180.34 13.62 15.561 0.082 Vega
WISE_W2 100.42 19.68 15.556 0.213 Vega
WISE_W3 159.62 81.21 13.218 0.552 Vega
WISE_W4 -367.56 449.85 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})\, 8.943 9.044 9.143
{\rm log}_{10}({\rm SFR}) -2.044 -1.273 -0.578
{\rm log}_{10}({\rm sSFR}) -11.023 -10.328 -9.623
{\rm stellar\ age} 5.168 6.691 7.916

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.547 -1.137 -0.704
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.369 -0.797 -0.182

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.295 0.777
\delta -0.632 -0.170 0.243
\tau_1/\tau_2 0.673 1.024 1.364
Q_{PAH} 1.336 3.192 5.515
U_{min} 3.042 8.260 14.939
{\rm log}_{10}(\gamma_e)\, -2.684 -1.653 -0.524

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.234 -0.326 0.072
{\rm log}_{10}(\tau_{AGN})\, 1.069 1.476 1.906

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.978 -1.396 -0.886
0.03-0.10 Gyr -2.249 -1.275 -0.467
0.10-0.33 Gyr -2.122 -1.248 -0.651
0.33-1.06 Gyr -1.862 -1.185 -0.709
1.06-3.47 Gyr -1.449 -0.921 -0.673
3.47-11.34 Gyr -1.149 -0.840 -0.676
11.34-12.60 Gyr -1.452 -0.857 -0.346

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.922 9.995 10.072
{\rm log}_{10}({\rm SFR}) -0.956 -0.577 -0.215
{\rm log}_{10}({\rm sSFR}) -10.929 -10.566 -10.222
{\rm stellar\ age} 6.068 7.038 8.017

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.546 -1.213 -0.957
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.204 -0.054 0.298

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.030 0.097 0.206
\delta -0.356 0.072 0.300
\tau_1/\tau_2 0.733 1.111 1.508
Q_{PAH} 1.465 3.605 5.585
U_{min} 2.935 7.822 15.388
{\rm log}_{10}(\gamma_e)\, -1.954 -0.889 -0.246

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.805 -2.509 -1.545
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.603 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.872 -0.684 -0.526
0.03-0.10 Gyr -1.117 -0.543 -0.105
0.10-0.33 Gyr -0.979 -0.406 -0.017
0.33-1.06 Gyr -0.708 -0.266 0.008
1.06-3.47 Gyr -0.400 -0.018 0.222
3.47-11.34 Gyr -0.062 0.140 0.277
11.34-12.60 Gyr -0.382 0.185 0.633