2025tgg results

Information

Transient
Name:AT2025tgg
Right ascension: 2h08m50.87s
Declination:2d43m21.82s
Discovery Date:July 8, 2025, 8:55 a.m.
Classification:None
Redshift:None
MW E(B-V):0.028
Host
Name:UGC01643
Right ascension: 2h08m51.24s
Declination:2d43m09.21s
Redshift:0.041535
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 37.33
Transient MWEBV processed 0.08
Host match processed 4.63
Host information processed 0.15
Host MWEBV processed 0.06
Global aperture construction processed 0.68
Global aperture photometry processed 6.56
Validate global photometry processed 17.87
Global host SED inference processed 377.33
Local aperture photometry processed 7.16
Validate local photometry processed 0.03
Local host SED inference processed 505.83
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):2h08m50.87s, 2d43m21.82s
semi major axis, semi minor axis (arcsec):2.44, 2.44
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 24.08 2.68 20.446 0.121 AB
SDSS_g 54.68 2.03 19.556 0.040 AB
DES_g 53.24 0.26 19.584 0.005 AB
PanSTARRS_g 45.98 0.71 19.744 0.017 AB
SDSS_r 77.22 2.51 19.181 0.035 AB
PanSTARRS_r 80.38 0.91 19.137 0.012 AB
DES_r 82.06 0.39 19.115 0.005 AB
SDSS_i 97.98 3.01 18.922 0.033 AB
PanSTARRS_i 97.32 0.78 18.929 0.009 AB
PanSTARRS_z 110.64 1.6 18.790 0.016 AB
SDSS_z 99.98 9.5 18.900 0.103 AB
DES_z 113.76 1.16 18.760 0.011 AB
PanSTARRS_y 121.24 3.73 18.691 0.033 AB

Aperture details

RA, DEC (J2000):2h08m51.25s, 2d43m09.64s
semi major axis, semi minor axis (arcsec):26.13, 13.39
angle (degrees, anti-clockwise from east):-17.31
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 198.98 10.12 18.153 0.055 AB
GALEX_NUV 271.4 7.45 17.816 0.030 AB
SDSS_u 844.1 19.84 16.584 0.026 AB
SDSS_g 2847.56 14.79 15.264 0.006 AB
DES_g 3079.01 1.95 15.179 0.001 AB
PanSTARRS_g 2699.06 5.49 15.322 0.002 AB
SDSS_r 5087.13 20.19 14.634 0.004 AB
PanSTARRS_r 5218.93 7.08 14.606 0.001 AB
DES_r 5987.47 3.26 14.457 0.001 AB
SDSS_i 7159.66 25.07 14.263 0.004 AB
PanSTARRS_i 7192.63 5.99 14.258 0.001 AB
PanSTARRS_z 8550.84 12.35 14.070 0.002 AB
SDSS_z 8611.43 74.46 14.062 0.009 AB
DES_z 10118.26 10.57 13.887 0.001 AB
PanSTARRS_y 10108.57 28.68 13.888 0.003 AB
2MASS_J 12144.05 450.64 12.794 0.040 Vega
2MASS_H 16397.86 796.31 11.995 0.053 Vega
2MASS_K 13797.55 830.31 11.713 0.065 Vega
WISE_W1 7337.24 49.27 11.537 0.007 Vega
WISE_W2 4575.58 57.86 11.410 0.014 Vega
WISE_W3 15704.19 218.77 8.236 0.015 Vega
WISE_W4 19146.87 1424.47 6.575 0.081 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.662 8.833 8.953
{\rm log}_{10}({\rm SFR}) -1.664 -0.926 -0.316
{\rm log}_{10}({\rm sSFR}) -10.491 -9.711 -8.986
{\rm stellar\ age} 4.537 6.902 8.624

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.740 -1.310 -0.778
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.835 -0.476 0.320

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.188 0.580 1.019
\delta -0.555 -0.181 0.149
\tau_1/\tau_2 0.755 1.124 1.500
Q_{PAH} 0.681 2.284 5.020
U_{min} 3.182 8.332 15.628
{\rm log}_{10}(\gamma_e)\, -3.272 -2.072 -0.705

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.239 -1.373 -0.250
{\rm log}_{10}(\tau_{AGN})\, 1.000 1.414 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.057 -1.385 -0.841
0.03-0.10 Gyr -1.675 -0.839 -0.192
0.10-0.33 Gyr -1.939 -1.077 -0.517
0.33-1.09 Gyr -2.330 -1.397 -0.907
1.09-3.60 Gyr -2.122 -1.292 -0.970
3.60-11.88 Gyr -1.727 -1.112 -0.898
11.88-13.20 Gyr -1.920 -1.089 -0.462

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.813 10.856 10.908
{\rm log}_{10}({\rm SFR}) 0.206 0.381 0.562
{\rm log}_{10}({\rm sSFR}) -10.653 -10.476 -10.293
{\rm stellar\ age} 7.338 7.923 9.101

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.522 -0.386 -0.276
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.181 0.217 0.348

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.282 0.377 0.495
\delta -0.273 -0.083 0.068
\tau_1/\tau_2 0.546 0.864 1.196
Q_{PAH} 0.738 1.331 2.258
U_{min} 2.641 7.165 14.230
{\rm log}_{10}(\gamma_e)\, -2.826 -2.074 -1.622

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.670 -2.591 -2.018
{\rm log}_{10}(\tau_{AGN})\, 0.984 1.416 1.872

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.523 0.634 0.747
0.03-0.10 Gyr -0.263 0.199 0.507
0.10-0.33 Gyr -0.463 0.035 0.354
0.33-1.09 Gyr -0.364 0.143 0.414
1.09-3.60 Gyr -0.017 0.547 0.828
3.60-11.88 Gyr 0.876 1.033 1.120
11.88-13.20 Gyr 0.701 1.132 1.583