2025tgk

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Information

Transient

Name: AT2025tgk
Right ascension: 0h49m09.80s
Declination: -3d57m06.71s
Discovery Date: Aug. 1, 2025, 9:41 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name:
Right ascension: 0h49m09.38s
Declination: -3d57m10.42s
Redshift: 0.074498
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 25.2
Transient MWEBV processed 0.07
Host match processed 7.61
Host information processed 0.18
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 6.72
Validate global photometry processed 19.11
Global host SED inference processed 457.4
Local aperture photometry processed 7.09
Validate local photometry processed 0.03
Local host SED inference processed 459.22
 

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) = 0h49m09.80s, -3d57m06.71s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
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 3.1 0.1 22.671 0.034 AB
PanSTARRS_g 3.36 0.34 22.583 0.110 AB
SDSS_r 6.6 0.97 21.851 0.160 AB
PanSTARRS_r 6.2 0.33 21.920 0.058 AB
DES_r 6.94 0.15 21.797 0.024 AB
SDSS_i 8.96 1.27 21.519 0.154 AB
PanSTARRS_i 8.49 0.46 21.578 0.059 AB
PanSTARRS_z 12.21 1.0 21.183 0.089 AB
SDSS_z 6.37 3.9 21.890 0.664 AB
DES_z 11.46 0.49 21.252 0.047 AB
PanSTARRS_y 17.26 2.18 20.807 0.137 AB

Aperture details

RA, DEC (J2000) = 0h49m09.38s, -3d57m10.21s
semi major axis, semi minor axis (arcsec) = 8.07, 7.15
angle (degrees, anti-clockwise from east) = -45.1

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.24 0.52 23.026 0.250 AB
GALEX_NUV 3.42 0.55 22.565 0.175 AB
SDSS_u -4.6 8.3 AB
DES_g 452.2 0.86 17.262 0.002 AB
PanSTARRS_g 487.07 1.89 17.181 0.004 AB
SDSS_r 991.35 8.99 16.409 0.010 AB
PanSTARRS_r 1006.67 1.8 16.393 0.002 AB
DES_r 1089.5 1.53 16.307 0.002 AB
SDSS_i 1496.98 11.4 15.962 0.008 AB
PanSTARRS_i 1495.57 2.53 15.963 0.002 AB
SDSS_z 1998.4 23.48 15.648 0.013 AB
DES_z 2030.65 5.16 15.631 0.003 AB
PanSTARRS_y 2375.64 11.55 15.461 0.005 AB
2MASS_J 2932.94 174.07 14.337 0.064 Vega
2MASS_H 3183.0 283.38 13.775 0.097 Vega
2MASS_K 2910.68 335.49 13.402 0.125 Vega
WISE_W1 1564.86 25.99 13.215 0.018 Vega
WISE_W2 875.2 30.8 13.206 0.038 Vega
WISE_W3 41.44 99.52 14.683 2.608 Vega
WISE_W4 132.18 458.56 11.977 3.767 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})\, 8.391 8.563 8.695
{\rm log}_{10}({\rm SFR}) -2.436 -1.631 -0.773
{\rm log}_{10}({\rm sSFR}) -10.971 -10.193 -9.371
{\rm stellar\ age} 2.686 6.284 7.675

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.411 -0.744 -0.154
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.511 -0.648 0.130

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.647 1.196 1.845
\delta -0.107 0.149 0.318
\tau_1/\tau_2 0.696 1.065 1.431
Q_{PAH} 1.203 3.179 5.412
U_{min} 2.853 8.195 16.093
{\rm log}_{10}(\gamma_e)\, -2.672 -1.497 -0.501

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.848 -0.265 0.216
{\rm log}_{10}(\tau_{AGN})\, 1.142 1.602 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.076 -1.977 -1.253
0.03-0.10 Gyr -2.513 -1.612 -0.693
0.10-0.33 Gyr -2.344 -1.538 -0.831
0.33-1.07 Gyr -2.551 -1.527 -1.003
1.07-3.51 Gyr -2.555 -1.411 -1.110
3.51-11.49 Gyr -2.624 -1.388 -1.162
11.49-12.77 Gyr -2.689 -1.445 -0.876

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.756 10.822 10.932
{\rm log}_{10}({\rm SFR}) -2.091 -1.249 -0.642
{\rm log}_{10}({\rm sSFR}) -12.963 -12.064 -11.424
{\rm stellar\ age} 7.541 9.412 12.104

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.887 -0.625 -0.451
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.372 -0.490 0.158

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.231 0.345 0.500
\delta -0.803 -0.488 -0.187
\tau_1/\tau_2 0.554 0.957 1.388
Q_{PAH} 1.619 3.687 5.615
U_{min} 3.045 9.048 17.286
{\rm log}_{10}(\gamma_e)\, -1.819 -0.878 -0.266

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.342 -3.244 -2.110
{\rm log}_{10}(\tau_{AGN})\, 1.149 1.683 2.009

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.441 -1.164 -0.584
0.03-0.10 Gyr -3.618 -1.477 -0.658
0.10-0.33 Gyr -3.693 -1.510 -0.574
0.33-1.07 Gyr -3.975 -1.483 -0.330
1.07-3.51 Gyr -3.182 -0.918 0.349
3.51-11.49 Gyr -1.416 0.832 1.069
11.49-12.77 Gyr 0.693 1.605 2.075