2025gdd results

Information

Transient
Name:AT2025gdd
Right ascension: 18h37m38.60s
Declination:-81d21m16.70s
Discovery Date:March 6, 2025, 7:53 a.m.
Classification:None
Redshift:None
MW E(B-V):0.162
Host
Name:2025gdd
Right ascension: 18h37m36.40s
Declination:-81d21m17.15s
Redshift:0.052472
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_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 2.84
Transient MWEBV processed 0.05
Host match processed 1.05
Host information processed 0.09
Host MWEBV processed 0.08
Global aperture construction processed 0.16
Global aperture photometry processed 0.87
Validate global photometry processed 0.8
Global host SED inference processed 542.84
Local aperture photometry processed 0.8
Validate local photometry no valid phot 0.01
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):18h37m36.53s, -81d21m17.04s
semi major axis, semi minor axis (arcsec):12.19, 9.12
angle (degrees, anti-clockwise from east):-36.49
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 29.35 3.56 20.231 0.132 AB
WISE_W1 848.95 33.35 13.879 0.043 Vega
WISE_W2 545.94 29.8 13.718 0.059 Vega
WISE_W3 2204.83 110.64 10.368 0.054 Vega
WISE_W4 1904.85 491.05 9.080 0.280 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.811 10.054 10.192
{\rm log}_{10}({\rm SFR}) -0.304 0.131 0.554
{\rm log}_{10}({\rm sSFR}) -10.391 -9.894 -9.392
{\rm stellar\ age} 5.127 7.569 10.420

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.801 -0.349 -0.010
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.508 -0.540 0.073

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.145 0.279 0.506
\delta -0.692 -0.265 0.080
\tau_1/\tau_2 0.247 0.684 1.275
Q_{PAH} 0.409 1.320 3.401
U_{min} 2.263 6.523 13.470
{\rm log}_{10}(\gamma_e)\, -3.648 -3.033 -2.062

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.110 -2.909 -1.863
{\rm log}_{10}(\tau_{AGN})\, 0.989 1.422 1.838

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.353 0.177 0.500
0.03-0.10 Gyr -1.262 -0.036 0.653
0.10-0.33 Gyr -1.872 -0.607 0.170
0.33-1.08 Gyr -2.101 -0.585 0.078
1.08-3.57 Gyr -1.507 -0.270 0.143
3.57-11.75 Gyr -0.759 0.045 0.308
11.75-13.06 Gyr -0.693 0.247 1.104