2025gt results

Information

Transient
Name:AT2025gt
Right ascension: 15h08m18.79s
Declination:-19d22m18.79s
Discovery Date:Jan. 7, 2025, 7:58 a.m.
Classification:None
Redshift:None
MW E(B-V):0.071
Host
Name:2025gt
Right ascension: 15h08m18.84s
Declination:-19d22m22.35s
Redshift:0.076503
Photometric Redshift:0.066
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 2.0
Transient MWEBV processed 0.04
Host match processed 2.0
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.58
Global aperture photometry processed 3.37
Validate global photometry processed 9.91
Global host SED inference processed 393.93
Local aperture photometry processed 3.37
Validate local photometry processed 0.02
Local host SED inference processed 433.89
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h08m18.79s, -19d22m18.79s
semi major axis, semi minor axis (arcsec):1.38, 1.38
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 19.9 0.41 20.653 0.022 AB
PanSTARRS_r 39.0 0.42 19.922 0.012 AB
PanSTARRS_i 56.8 0.49 19.514 0.009 AB
PanSTARRS_z 71.83 0.89 19.259 0.013 AB
PanSTARRS_y 92.37 2.09 18.986 0.025 AB

Aperture details

RA, DEC (J2000):15h08m18.84s, -19d22m22.30s
semi major axis, semi minor axis (arcsec):14.26, 5.93
angle (degrees, anti-clockwise from east):-67.38
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 740.62 2.69 16.726 0.004 AB
PanSTARRS_r 1449.64 2.72 15.997 0.002 AB
PanSTARRS_i 2215.75 3.16 15.536 0.002 AB
PanSTARRS_z 2795.5 5.77 15.284 0.002 AB
PanSTARRS_y 3504.53 13.44 15.038 0.004 AB
2MASS_J 4578.05 240.5 13.853 0.057 Vega
2MASS_H 6099.41 356.87 13.069 0.064 Vega
2MASS_K 5696.55 373.42 12.673 0.071 Vega
WISE_W1 2857.8 41.34 12.561 0.016 Vega
WISE_W2 1799.91 51.77 12.423 0.031 Vega
WISE_W3 3990.32 167.22 9.723 0.045 Vega
WISE_W4 2132.44 1002.29 8.958 0.510 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.252 9.375 9.488
{\rm log}_{10}({\rm SFR}) -1.947 -1.189 -0.402
{\rm log}_{10}({\rm sSFR}) -11.308 -10.557 -9.741
{\rm stellar\ age} 4.115 6.638 8.034

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.280 -0.346 0.047
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.546 -0.692 0.127

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.263 0.774 1.441
\delta -0.496 -0.035 0.249
\tau_1/\tau_2 0.642 0.998 1.359
Q_{PAH} 0.685 2.394 5.246
U_{min} 3.015 8.217 15.616
{\rm log}_{10}(\gamma_e)\, -2.745 -1.418 -0.482

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.510 -0.862 -0.006
{\rm log}_{10}(\tau_{AGN})\, 1.069 1.474 1.860

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.475 -1.493 -0.900
0.03-0.10 Gyr -2.051 -1.174 -0.285
0.10-0.33 Gyr -1.905 -1.036 -0.347
0.33-1.07 Gyr -1.747 -0.872 -0.251
1.07-3.51 Gyr -1.424 -0.621 -0.285
3.51-11.47 Gyr -1.273 -0.551 -0.356
11.47-12.75 Gyr -1.475 -0.586 0.028

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.901 10.986 11.045
{\rm log}_{10}({\rm SFR}) -0.722 0.108 0.756
{\rm log}_{10}({\rm sSFR}) -11.707 -10.908 -10.216
{\rm stellar\ age} 6.603 7.565 9.327

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.388 -0.168 -0.021
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.382 -0.273 0.310

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.208 0.353 0.531
\delta -0.675 -0.253 0.098
\tau_1/\tau_2 0.629 1.002 1.378
Q_{PAH} 1.203 2.514 4.756
U_{min} 2.487 7.390 14.816
{\rm log}_{10}(\gamma_e)\, -2.569 -1.708 -0.984

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.052 -2.897 -1.922
{\rm log}_{10}(\tau_{AGN})\, 1.076 1.545 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.791 0.033 0.420
0.03-0.10 Gyr -1.094 0.078 0.873
0.10-0.33 Gyr -1.006 0.169 0.805
0.33-1.07 Gyr -0.707 0.236 0.666
1.07-3.51 Gyr 0.112 0.733 1.116
3.51-11.47 Gyr 0.761 1.124 1.258
11.47-12.75 Gyr 0.608 1.238 1.855