2025tkm

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Information

Transient

Name: AT2025tkm
Right ascension: 15h53m00.13s
Declination: 64d51m20.55s
Discovery Date: Aug. 7, 2025, 4:18 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name:
Right ascension: 15h53m00.12s
Declination: 64d51m19.18s
Redshift: 0.086104
Photometric Redshift: 0.072
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 6.46
Cutout download processed 38.97
Global aperture construction processed 0.68
Local aperture photometry processed 4.13
Global aperture photometry processed 3.78
Validate local photometry processed 0.02
Validate global photometry processed 10.78
Host information processed 0.17
Global host SED inference processed 724.59
Local host SED inference processed 474.84
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 15h53m00.13s, 64d51m20.55s
semi major axis, semi minor axis (arcsec) = 1.24, 1.24
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 188.94 0.54 18.209 0.003 AB
PanSTARRS_i 289.0 0.58 17.748 0.002 AB
PanSTARRS_z 348.0 1.04 17.546 0.003 AB
PanSTARRS_y 382.42 1.95 17.444 0.006 AB

Aperture details

RA, DEC (J2000) = 15h53m00.11s, 64d51m19.95s
semi major axis, semi minor axis (arcsec) = 12.31, 6.58
angle (degrees, anti-clockwise from east) = -155.09

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.87 4.89 20.601 0.254 AB
GALEX_NUV 52.41 5.12 19.601 0.106 AB
PanSTARRS_g 684.49 2.49 16.812 0.004 AB
PanSTARRS_r 1350.37 3.24 16.074 0.003 AB
PanSTARRS_i 2288.88 3.59 15.501 0.002 AB
PanSTARRS_z 2933.55 6.83 15.232 0.003 AB
PanSTARRS_y 3512.6 13.82 15.036 0.004 AB
2MASS_J 4698.74 209.01 13.825 0.048 Vega
2MASS_H 5546.9 323.39 13.172 0.063 Vega
2MASS_K 5626.14 375.19 12.687 0.072 Vega
WISE_W1 2273.9 18.65 12.809 0.009 Vega
WISE_W2 1445.97 19.91 12.661 0.015 Vega
WISE_W3 2901.0 60.87 10.070 0.023 Vega
WISE_W4 1854.5 315.69 9.109 0.185 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.778 10.049 10.218
{\rm log}_{10}({\rm SFR}) -0.856 -0.149 0.568
{\rm log}_{10}({\rm sSFR}) -10.997 -10.218 -9.257
{\rm stellar\ age} 3.054 6.777 9.245

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.541 -0.926 -0.472
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.643 -0.926 -0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.425 0.840 1.124
\delta -0.754 -0.497 -0.199
\tau_1/\tau_2 0.567 0.962 1.355
Q_{PAH} 0.644 2.208 4.277
U_{min} 2.914 8.176 15.590
{\rm log}_{10}(\gamma_e)\, -3.265 -1.839 -0.732

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.640 -1.836 -0.605
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.464 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.760 -0.241 0.170
0.03-0.10 Gyr -1.307 -0.170 0.676
0.10-0.33 Gyr -1.703 -0.245 0.447
0.33-1.07 Gyr -1.983 -0.269 0.343
1.07-3.48 Gyr -2.022 -0.177 0.269
3.48-11.36 Gyr -1.359 0.028 0.360
11.36-12.63 Gyr -1.091 0.174 0.999

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.113 11.182 11.224
{\rm log}_{10}({\rm SFR}) 0.338 0.741 1.118
{\rm log}_{10}({\rm sSFR}) -10.854 -10.412 -10.027
{\rm stellar\ age} 8.902 11.651 11.952

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.425 -0.252 -0.144
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.452 0.186 0.399

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.207 0.288 0.431
\delta -0.875 -0.656 -0.380
\tau_1/\tau_2 0.722 1.214 1.657
Q_{PAH} 0.234 0.736 1.544
U_{min} 2.451 7.084 14.009
{\rm log}_{10}(\gamma_e)\, -2.928 -2.038 -1.362

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.662 -4.014 -3.013
{\rm log}_{10}(\tau_{AGN})\, 1.083 1.584 1.929

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.150 0.494 0.786
0.03-0.10 Gyr 0.221 0.799 1.222
0.10-0.33 Gyr -2.513 -0.578 0.251
0.33-1.07 Gyr -4.768 -1.648 -0.405
1.07-3.48 Gyr -3.377 -1.394 -0.306
3.48-11.36 Gyr -1.122 0.282 1.255
11.36-12.63 Gyr 1.778 2.303 2.364