2025ddn results

Information

Transient
Name:AT2025ddn
Right ascension: 4h33m07.04s
Declination:-20d58m07.24s
Discovery Date:Feb. 3, 2025, 2:18 a.m.
Classification:None
Redshift:None
MW E(B-V):0.028
Host
Name:2025ddn
Right ascension: 4h33m07.04s
Declination:-20d58m06.97s
Redshift:None
Photometric Redshift:0.183
 

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 3.28
Transient MWEBV processed 0.11
Host match processed 1.83
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.59
Global aperture photometry processed 3.5
Validate global photometry processed 10.58
Global host SED inference processed 553.94
Local aperture photometry processed 3.44
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):4h33m07.04s, -20d58m06.90s
semi major axis, semi minor axis (arcsec):3.33, 3.27
angle (degrees, anti-clockwise from east):-147.92
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.9 2.2 21.655 0.302 AB
GALEX_NUV 6.18 1.63 21.923 0.287 AB
PanSTARRS_g 31.16 0.73 20.166 0.026 AB
PanSTARRS_r 62.13 1.06 19.417 0.019 AB
PanSTARRS_i 77.61 0.93 19.175 0.013 AB
PanSTARRS_z 104.09 2.51 18.857 0.026 AB
PanSTARRS_y 113.74 5.79 18.760 0.055 AB
2MASS_J 83.09 102.68 18.206 1.342 Vega
2MASS_H 22.16 153.41 19.168 7.516 Vega
2MASS_K 58.87 214.94 17.638 3.964 Vega
WISE_W3 73.56 62.43 14.059 0.921 Vega
WISE_W4 417.71 471.47 10.728 1.225 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})\, 10.171 10.253 10.354
{\rm log}_{10}({\rm SFR}) 0.145 0.548 0.934
{\rm log}_{10}({\rm sSFR}) -10.095 -9.721 -9.342
{\rm stellar\ age} 4.700 6.232 7.559

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.144 -0.506 -0.117
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.262 -0.728 -0.301

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.144 0.719 1.210
\delta 0.039 0.295 0.372
\tau_1/\tau_2 0.674 1.049 1.454
Q_{PAH} 1.618 3.833 5.740
U_{min} 2.870 7.697 14.705
{\rm log}_{10}(\gamma_e)\, -3.146 -2.076 -0.660

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.347 -1.415 -0.259
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.390 1.869

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.828 -0.036 0.567
0.03-0.10 Gyr 0.238 0.656 1.040
0.10-0.32 Gyr -0.064 0.436 0.879
0.32-1.02 Gyr -0.386 0.180 0.615
1.02-3.24 Gyr -0.294 0.228 0.522
3.24-10.34 Gyr -0.003 0.372 0.525
10.34-11.49 Gyr -0.078 0.499 1.044