2025ttg

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Information

Transient

Name: AT2025ttg
Right ascension: 21h42m07.54s
Declination: 10d21m08.86s
Discovery Date: Aug. 13, 2025, 12:21 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.060

Host

Name:
Right ascension: 21h42m07.84s
Declination: 10d21m09.30s
Redshift: 0.085506
Photometric Redshift: 0.085
 

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 7.79
Cutout download processed 13.61
Global aperture construction processed 0.69
Local aperture photometry processed 6.29
Global aperture photometry processed 5.25
Validate local photometry processed 0.02
Validate global photometry processed 14.43
Host information processed 0.17
Global host SED inference processed 669.99
Local host SED inference processed 405.65
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.1
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) = 21h42m07.54s, 10d21m08.86s
semi major axis, semi minor axis (arcsec) = 1.25, 1.25
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 6.46 0.14 21.874 0.023 AB
PanSTARRS_r 16.02 0.36 20.889 0.025 AB
DES_r 16.06 0.32 20.885 0.022 AB
PanSTARRS_i 23.56 0.46 20.470 0.021 AB
PanSTARRS_z 33.65 0.89 20.083 0.029 AB
DES_z 28.17 0.8 20.276 0.031 AB
PanSTARRS_y 39.22 2.21 19.916 0.061 AB

Aperture details

RA, DEC (J2000) = 21h42m07.82s, 10d21m09.34s
semi major axis, semi minor axis (arcsec) = 11.04, 5.04
angle (degrees, anti-clockwise from east) = -119.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.12 2.29 21.933 0.406 AB
GALEX_NUV 5.31 2.58 22.088 0.528 AB
DES_g 199.27 0.79 18.151 0.004 AB
PanSTARRS_g 244.55 1.83 17.929 0.008 AB
PanSTARRS_r 579.34 2.17 16.993 0.004 AB
DES_r 542.11 1.9 17.065 0.004 AB
PanSTARRS_i 917.8 2.69 16.493 0.003 AB
PanSTARRS_z 1219.95 5.25 16.184 0.005 AB
DES_z 1179.29 5.15 16.221 0.005 AB
PanSTARRS_y 1507.41 13.15 15.954 0.009 AB
2MASS_J 1987.84 168.53 14.759 0.092 Vega
2MASS_H 2494.54 256.13 14.040 0.111 Vega
2MASS_K 2559.39 328.39 13.542 0.139 Vega
WISE_W1 919.87 26.54 13.792 0.031 Vega
WISE_W2 596.28 27.03 13.622 0.049 Vega
WISE_W3 231.04 82.23 12.817 0.386 Vega
WISE_W4 14.08 420.13 14.409 32.398 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})\, 9.126 9.242 9.362
{\rm log}_{10}({\rm SFR}) -2.018 -1.390 -0.857
{\rm log}_{10}({\rm sSFR}) -11.246 -10.628 -10.072
{\rm stellar\ age} 6.272 7.458 10.060

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.404 -0.786 -0.282
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.401 -0.747 -0.097

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.611 1.020 1.462
\delta -0.215 0.053 0.259
\tau_1/\tau_2 0.591 0.941 1.297
Q_{PAH} 1.010 2.955 5.539
U_{min} 2.915 7.693 14.394
{\rm log}_{10}(\gamma_e)\, -3.023 -1.950 -0.912

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.995 -0.487 0.006
{\rm log}_{10}(\tau_{AGN})\, 1.031 1.418 1.821

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.160 -1.422 -0.812
0.03-0.10 Gyr -2.292 -1.475 -0.866
0.10-0.33 Gyr -2.515 -1.547 -0.909
0.33-1.07 Gyr -2.770 -1.560 -0.887
1.07-3.48 Gyr -2.294 -1.025 -0.610
3.48-11.37 Gyr -1.089 -0.631 -0.457
11.37-12.63 Gyr -1.175 -0.527 0.256

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.682 10.754 10.858
{\rm log}_{10}({\rm SFR}) -0.851 -0.167 0.471
{\rm log}_{10}({\rm sSFR}) -11.725 -10.917 -10.208
{\rm stellar\ age} 7.437 9.232 11.957

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.106 -0.836 -0.665
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.742 -0.455 -0.224

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.510 0.637 0.835
\delta -0.973 -0.905 -0.775
\tau_1/\tau_2 0.561 0.966 1.394
Q_{PAH} 0.468 1.349 2.768
U_{min} 2.783 8.268 16.177
{\rm log}_{10}(\gamma_e)\, -2.870 -1.681 -0.909

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.499 -3.589 -2.489
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.540 1.929

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.624 -0.038 0.301
0.03-0.10 Gyr -2.367 -0.297 0.547
0.10-0.33 Gyr -3.822 -0.846 0.180
0.33-1.07 Gyr -4.978 -1.170 -0.051
1.07-3.48 Gyr -3.498 -0.861 0.272
3.48-11.37 Gyr -1.168 0.751 0.993
11.37-12.63 Gyr 0.666 1.522 2.005