2025ltk

Download data

Information

Transient

Name: AT2025ltk
Right ascension: 21h11m57.22s
Declination: -9d02m02.59s
Discovery Date: May 6, 2025, 7:45 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.157

Host

Name: 2025ltk
Right ascension: 21h11m57.22s
Declination: -9d02m02.25s
Redshift: 0.029400
Photometric Redshift: 0.036
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.59
Transient MWEBV processed 0.06
Host match processed 2.59
Host information processed 0.1
Host MWEBV processed 0.06
Global aperture construction processed 0.66
Global aperture photometry processed 6.59
Validate global photometry processed 16.28
Global host SED inference processed 759.65
Local aperture photometry processed 6.25
Validate local photometry processed 0.02
Local host SED inference processed 517.03
 

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) = 21h11m57.22s, -9d02m02.59s
semi major axis, semi minor axis (arcsec) = 3.4, 3.4
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 600.2 1.08 16.954 0.002 AB
PanSTARRS_g 608.75 0.79 16.939 0.001 AB
PanSTARRS_r 1366.83 1.11 16.061 0.001 AB
DES_r 1517.54 2.9 15.947 0.002 AB
PanSTARRS_i 2058.27 0.92 15.616 0.000 AB
PanSTARRS_z 2762.94 2.48 15.297 0.001 AB
DES_z 3036.12 10.49 15.194 0.004 AB
PanSTARRS_y 3308.32 5.62 15.101 0.002 AB
2MASS_J 4244.83 79.59 13.935 0.020 Vega
2MASS_H 5230.06 124.71 13.236 0.026 Vega
2MASS_K 4722.94 134.81 12.877 0.031 Vega

Aperture details

RA, DEC (J2000) = 21h11m57.21s, -9d02m02.12s
semi major axis, semi minor axis (arcsec) = 10.32, 6.98
angle (degrees, anti-clockwise from east) = -146.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.04 2.96 21.395 0.320 AB
GALEX_NUV 3.7 0.76 22.479 0.223 AB
DES_g 901.68 1.39 16.512 0.002 AB
PanSTARRS_g 970.99 1.69 16.432 0.002 AB
PanSTARRS_r 2171.24 2.35 15.558 0.001 AB
DES_r 2255.15 3.67 15.517 0.002 AB
PanSTARRS_i 3264.2 1.99 15.116 0.001 AB
PanSTARRS_z 4322.53 5.66 14.811 0.001 AB
DES_z 4478.65 12.97 14.772 0.003 AB
PanSTARRS_y 5331.46 13.75 14.583 0.003 AB
2MASS_J 7060.94 202.52 13.383 0.031 Vega
2MASS_H 8625.11 320.87 12.693 0.040 Vega
2MASS_K 7600.6 349.13 12.360 0.050 Vega
WISE_W1 3080.64 36.72 12.479 0.013 Vega
WISE_W2 1680.4 39.32 12.497 0.025 Vega
WISE_W3 168.43 111.99 13.160 0.722 Vega
WISE_W4 507.8 634.44 10.516 1.356 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

Click the image to load the interactive plot.


Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.103 10.200 10.322
{\rm log}_{10}({\rm SFR}) -1.268 -0.659 0.085
{\rm log}_{10}({\rm sSFR}) -11.538 -10.868 -10.153
{\rm stellar\ age} 6.946 8.224 11.752

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.363 -0.768 -0.502
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.822 -1.401 -0.089

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.371 0.686 1.059
\delta -0.654 -0.359 -0.042
\tau_1/\tau_2 0.473 0.849 1.262
Q_{PAH} 0.521 1.988 4.182
U_{min} 2.657 7.694 14.975
{\rm log}_{10}(\gamma_e)\, -3.349 -2.423 -0.995

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.214 -2.259 -0.807
{\rm log}_{10}(\tau_{AGN})\, 0.869 1.397 2.039

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.039 -0.384 0.087
0.03-0.10 Gyr -2.124 -0.970 0.081
0.10-0.33 Gyr -2.420 -0.978 -0.119
0.33-1.10 Gyr -2.232 -0.812 -0.080
1.10-3.63 Gyr -1.772 -0.340 0.244
3.63-12.03 Gyr -0.441 0.249 0.441
12.03-13.36 Gyr -0.132 0.574 1.352

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.439 10.488 10.521
{\rm log}_{10}({\rm SFR}) -2.357 -1.717 -1.115
{\rm log}_{10}({\rm sSFR}) -12.827 -12.207 -11.581
{\rm stellar\ age} 11.405 12.656 12.692

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.000 -0.780 -0.642
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.885 -0.253 0.205

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.156 0.259 0.399
\delta -0.827 -0.604 -0.352
\tau_1/\tau_2 0.493 0.972 1.457
Q_{PAH} 1.258 3.185 5.214
U_{min} 2.834 9.184 17.415
{\rm log}_{10}(\gamma_e)\, -2.277 -0.985 -0.347

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.649 -3.817 -2.733
{\rm log}_{10}(\tau_{AGN})\, 1.220 1.736 2.042

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.224 -1.501 -0.867
0.03-0.10 Gyr -4.812 -2.424 -1.284
0.10-0.33 Gyr -6.798 -3.759 -1.770
0.33-1.10 Gyr -6.984 -3.737 -1.675
1.10-3.63 Gyr -5.056 -2.950 -1.291
3.63-12.03 Gyr -2.768 -1.501 0.174
12.03-13.36 Gyr 1.428 1.613 1.648