2025xks

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Information

Transient

Name: AT2025xks
Right ascension: 8h25m39.27s
Declination: 1d57m07.08s
Discovery Date: Sept. 13, 2025, 12:27 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.050

Host

Name: 23641
Right ascension: 8h25m39.17s
Declination: 1d57m04.24s
Redshift: 0.043397
Photometric Redshift: 0.043
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.1
Transient MWEBV processed 0.04
Host match processed 4.03
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.35
Validate global photometry processed 17.63
Global host SED inference processed 369.57
Local aperture photometry processed 6.76
Validate local photometry processed 0.03
Local host SED inference processed 496.35
 

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) = 8h25m39.27s, 1d57m07.08s
semi major axis, semi minor axis (arcsec) = 2.34, 2.34
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 31.48 2.01 20.155 0.069 AB
SDSS_g 136.82 3.11 18.560 0.025 AB
DES_g 143.14 0.59 18.511 0.004 AB
PanSTARRS_g 151.29 0.61 18.450 0.004 AB
SDSS_r 296.17 4.59 17.721 0.017 AB
PanSTARRS_r 309.75 0.69 17.672 0.002 AB
DES_r 322.06 0.86 17.630 0.003 AB
SDSS_i 438.16 5.7 17.296 0.014 AB
PanSTARRS_i 436.42 0.99 17.300 0.002 AB
PanSTARRS_z 547.0 1.92 17.055 0.004 AB
SDSS_z 601.88 8.99 16.951 0.016 AB
DES_z 579.94 4.09 16.992 0.008 AB
PanSTARRS_y 672.29 3.76 16.831 0.006 AB

Aperture details

RA, DEC (J2000) = 8h25m39.19s, 1d57m04.94s
semi major axis, semi minor axis (arcsec) = 21.04, 18.77
angle (degrees, anti-clockwise from east) = -68.03

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 126.0 8.96 18.649 0.077 AB
GALEX_NUV 183.98 6.96 18.238 0.041 AB
SDSS_u 556.42 13.84 17.036 0.027 AB
SDSS_g 2203.94 13.48 15.542 0.007 AB
DES_g 2406.77 2.76 15.446 0.001 AB
PanSTARRS_g 2381.24 4.85 15.458 0.002 AB
SDSS_r 4259.65 19.3 14.827 0.005 AB
PanSTARRS_r 4343.86 5.34 14.805 0.001 AB
DES_r 4791.85 3.66 14.699 0.001 AB
SDSS_i 5952.51 24.89 14.463 0.005 AB
PanSTARRS_i 5990.51 8.09 14.456 0.001 AB
PanSTARRS_z 6827.0 15.92 14.314 0.003 AB
SDSS_z 7729.42 59.21 14.180 0.008 AB
DES_z 8037.59 16.31 14.137 0.002 AB
PanSTARRS_y 8665.86 31.66 14.055 0.004 AB
2MASS_J 9608.51 598.02 13.048 0.068 Vega
2MASS_H 14136.47 859.69 12.157 0.066 Vega
2MASS_K 10444.91 1006.07 12.015 0.105 Vega
WISE_W1 5759.27 71.22 11.800 0.013 Vega
WISE_W2 3337.09 83.7 11.753 0.027 Vega
WISE_W3 10549.12 398.05 8.668 0.041 Vega
WISE_W4 8677.5 2366.4 7.434 0.296 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})\, 9.709 9.825 9.969
{\rm log}_{10}({\rm SFR}) -2.111 -1.119 -0.464
{\rm log}_{10}({\rm sSFR}) -12.013 -10.930 -10.174
{\rm stellar\ age} 7.254 8.468 12.206

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.490 -0.924 -0.556
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.583 0.084 0.382

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.295 0.741 1.115
\delta -0.601 -0.174 0.213
\tau_1/\tau_2 0.564 0.956 1.318
Q_{PAH} 0.510 2.380 5.050
U_{min} 2.502 7.652 14.890
{\rm log}_{10}(\gamma_e)\, -3.335 -2.276 -0.797

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.832 -1.432 -0.389
{\rm log}_{10}(\tau_{AGN})\, 0.887 1.269 1.831

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.386 -1.121 -0.465
0.03-0.10 Gyr -2.764 -1.232 -0.440
0.10-0.33 Gyr -3.104 -1.319 -0.502
0.33-1.09 Gyr -3.556 -1.359 -0.570
1.09-3.59 Gyr -3.260 -1.018 -0.251
3.59-11.86 Gyr -1.234 -0.140 0.083
11.86-13.18 Gyr -0.383 0.297 1.014

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.808 10.851 10.923
{\rm log}_{10}({\rm SFR}) 0.122 0.300 0.471
{\rm log}_{10}({\rm sSFR}) -10.740 -10.553 -10.378
{\rm stellar\ age} 7.611 8.314 10.635

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.742 -0.586 -0.453
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.038 0.099 0.236

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.280 0.387 0.508
\delta -0.258 -0.060 0.077
\tau_1/\tau_2 0.518 0.863 1.211
Q_{PAH} 0.592 1.261 2.202
U_{min} 2.811 7.833 14.693
{\rm log}_{10}(\gamma_e)\, -3.367 -2.562 -2.053

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.534 -3.840 -3.026
{\rm log}_{10}(\tau_{AGN})\, 1.028 1.545 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.369 0.504 0.621
0.03-0.10 Gyr -0.252 0.177 0.446
0.10-0.33 Gyr -0.479 0.047 0.357
0.33-1.09 Gyr -0.580 0.067 0.378
1.09-3.59 Gyr -0.537 0.269 0.648
3.59-11.86 Gyr 0.654 1.009 1.105
11.86-13.18 Gyr 0.740 1.258 1.861