2025llk

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Information

Transient

Name: AT2025llk
Right ascension: 16h08m41.09s
Declination: 31d03m41.64s
Discovery Date: May 23, 2025, 8:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name: 2025llk
Right ascension: 16h08m41.11s
Declination: 31d03m43.27s
Redshift: 0.058528
Photometric Redshift: 0.072
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 14.3
Transient MWEBV processed 0.04
Host match processed 2.2
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.71
Global aperture photometry processed 7.11
Validate global photometry processed 17.73
Global host SED inference processed 386.73
Local aperture photometry processed 6.34
Validate local photometry processed 0.02
Local host SED inference processed 471.33
 

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) = 16h08m41.09s, 31d03m41.64s
semi major axis, semi minor axis (arcsec) = 1.77, 1.77
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 48.41 2.24 19.688 0.050 AB
SDSS_g 121.87 2.9 18.685 0.026 AB
PanSTARRS_g 113.97 0.53 18.758 0.005 AB
SDSS_r 170.17 3.46 18.323 0.022 AB
PanSTARRS_r 165.93 0.56 18.350 0.004 AB
DES_r 197.17 3.38 18.163 0.019 AB
SDSS_i 235.64 4.13 17.969 0.019 AB
PanSTARRS_i 222.72 0.63 18.031 0.003 AB
PanSTARRS_z 216.36 1.34 18.062 0.007 AB
SDSS_z 243.93 7.28 17.932 0.032 AB
PanSTARRS_y 250.61 2.68 17.903 0.012 AB

Aperture details

RA, DEC (J2000) = 16h08m41.09s, 31d03m43.38s
semi major axis, semi minor axis (arcsec) = 6.34, 6.03
angle (degrees, anti-clockwise from east) = -102.55

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 30.83 4.29 20.178 0.151 AB
GALEX_NUV 50.38 2.81 19.644 0.061 AB
SDSS_u 139.87 5.74 18.536 0.045 AB
SDSS_g 406.53 5.46 17.377 0.015 AB
PanSTARRS_g 410.11 1.71 17.368 0.005 AB
SDSS_r 606.53 6.87 16.943 0.012 AB
PanSTARRS_r 624.55 1.82 16.911 0.003 AB
DES_r 674.59 6.3 16.827 0.010 AB
SDSS_i 831.26 8.39 16.601 0.011 AB
PanSTARRS_i 809.77 2.06 16.629 0.003 AB
PanSTARRS_z 862.51 4.53 16.561 0.006 AB
SDSS_z 841.72 22.58 16.587 0.029 AB
PanSTARRS_y 967.42 9.24 16.436 0.010 AB
2MASS_J 1165.1 141.14 15.339 0.132 Vega
2MASS_H 926.76 240.82 15.115 0.282 Vega
2MASS_K 1466.48 235.63 14.147 0.174 Vega
WISE_W1 535.79 12.83 14.379 0.026 Vega
WISE_W2 366.86 14.44 14.150 0.043 Vega
WISE_W3 1463.66 58.2 10.812 0.043 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})\, 9.246 9.390 9.483
{\rm log}_{10}({\rm SFR}) -0.984 -0.403 -0.004
{\rm log}_{10}({\rm sSFR}) -10.404 -9.772 -9.319
{\rm stellar\ age} 4.769 6.702 7.944

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.597 -1.197 -0.707
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.192 0.324 0.437

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.114 0.337 0.680
\delta -0.568 -0.059 0.237
\tau_1/\tau_2 0.664 1.003 1.345
Q_{PAH} 0.652 2.368 4.790
U_{min} 2.812 7.593 14.408
{\rm log}_{10}(\gamma_e)\, -3.258 -2.026 -0.777

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.677 -1.541 -0.407
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.470 1.912

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.767 -0.482 -0.236
0.03-0.10 Gyr -1.159 -0.385 0.090
0.10-0.33 Gyr -1.269 -0.526 -0.039
0.33-1.08 Gyr -1.279 -0.726 -0.344
1.08-3.55 Gyr -1.008 -0.598 -0.357
3.55-11.68 Gyr -0.907 -0.536 -0.346
11.68-12.98 Gyr -1.145 -0.517 -0.030

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.843 9.913 9.984
{\rm log}_{10}({\rm SFR}) -0.378 -0.156 0.064
{\rm log}_{10}({\rm sSFR}) -10.294 -10.060 -9.846
{\rm stellar\ age} 5.059 6.243 7.178

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.133 -0.822 -0.639
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.064 0.269 0.405

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.137 0.220 0.377
\delta -0.802 -0.492 -0.168
\tau_1/\tau_2 0.798 1.107 1.416
Q_{PAH} 0.880 1.901 3.154
U_{min} 2.104 6.561 13.166
{\rm log}_{10}(\gamma_e)\, -3.348 -2.303 -1.587

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.635 -2.447 -1.832
{\rm log}_{10}(\tau_{AGN})\, 0.963 1.337 1.782

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.346 -0.219 -0.090
0.03-0.10 Gyr -0.439 -0.126 0.148
0.10-0.33 Gyr -0.172 0.086 0.299
0.33-1.08 Gyr -0.156 0.081 0.271
1.08-3.55 Gyr -0.138 0.077 0.268
3.55-11.68 Gyr -0.225 -0.012 0.126
11.68-12.98 Gyr -0.589 -0.063 0.352