2025ddd results

Information

Transient
Name:AT2025ddd
Right ascension: 16h16m23.46s
Declination:12d35m30.05s
Discovery Date:March 2, 2025, 12:29 p.m.
Classification:None
Redshift:None
MW E(B-V):0.040
Host
Name:2025ddd
Right ascension: 16h16m23.49s
Declination:12d35m32.19s
Redshift:None
Photometric Redshift:0.105
 

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: completed

Task Name Status Time (s)
Cutout download processed 15.13
Transient MWEBV processed 0.06
Host match processed 2.04
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.66
Global aperture photometry processed 5.58
Validate global photometry processed 15.31
Global host SED inference processed 383.5
Local aperture photometry processed 4.8
Validate local photometry processed 0.02
Local host SED inference processed 563.31
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):16h16m23.46s, 12d35m30.05s
semi major axis, semi minor axis (arcsec):1.04, 1.04
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 16.59 1.24 20.850 0.081 AB

Aperture details

RA, DEC (J2000):16h16m23.46s, 12d35m32.42s
semi major axis, semi minor axis (arcsec):6.79, 4.01
angle (degrees, anti-clockwise from east):-52.22
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.77 4.29 20.716 0.248 AB
GALEX_NUV 23.3 3.36 20.482 0.157 AB
SDSS_u 53.34 5.83 19.582 0.119 AB
SDSS_g 137.26 3.4 18.556 0.027 AB
DES_g 132.05 0.68 18.598 0.006 AB
PanSTARRS_g 134.74 1.31 18.576 0.011 AB
SDSS_r 194.61 4.35 18.177 0.024 AB
PanSTARRS_r 205.33 1.13 18.119 0.006 AB
SDSS_i 252.99 5.77 17.892 0.025 AB
PanSTARRS_i 246.59 1.26 17.920 0.006 AB
PanSTARRS_z 268.56 3.07 17.827 0.012 AB
SDSS_z 334.89 15.47 17.588 0.050 AB
PanSTARRS_y 322.95 5.85 17.627 0.020 AB
2MASS_J 208.29 137.48 17.208 0.717 Vega
2MASS_H 418.0 189.08 15.979 0.491 Vega
2MASS_K 11.48 238.36 19.413 22.546 Vega
WISE_W1 199.25 13.87 15.453 0.076 Vega
WISE_W2 98.82 18.5 15.574 0.203 Vega
WISE_W3 208.12 101.13 12.930 0.528 Vega
WISE_W4 1168.12 716.83 9.611 0.666 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.377 8.765 9.128
{\rm log}_{10}({\rm SFR}) -0.963 -0.442 0.009
{\rm log}_{10}({\rm sSFR}) -9.867 -9.219 -8.510
{\rm stellar\ age} 1.492 5.978 9.045

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.608 -0.827 -0.056
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.264 -0.456 0.090

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.686 1.158 1.656
\delta -0.340 -0.009 0.272
\tau_1/\tau_2 0.498 0.897 1.332
Q_{PAH} 0.795 2.271 4.545
U_{min} 3.130 8.387 15.757
{\rm log}_{10}(\gamma_e)\, -3.092 -1.883 -0.752

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.105 -0.813 0.059
{\rm log}_{10}(\tau_{AGN})\, 1.190 1.581 1.979

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.719 -0.255 0.167
0.03-0.10 Gyr -2.576 -0.855 -0.149
0.10-0.32 Gyr -4.118 -1.588 -0.642
0.32-1.06 Gyr -4.864 -1.754 -0.904
1.06-3.43 Gyr -4.151 -1.714 -1.018
3.43-11.15 Gyr -3.277 -1.451 -0.842
11.15-12.39 Gyr -3.116 -1.290 -0.121

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.803 9.891 9.967
{\rm log}_{10}({\rm SFR}) -0.185 0.186 0.563
{\rm log}_{10}({\rm sSFR}) -10.083 -9.695 -9.311
{\rm stellar\ age} 4.029 5.401 6.499

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.890 -0.481 -0.221
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.827 -0.149 0.176

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.118 0.254 0.447
\delta -0.515 -0.099 0.172
\tau_1/\tau_2 0.659 0.994 1.301
Q_{PAH} 0.768 2.418 4.429
U_{min} 2.690 7.719 14.100
{\rm log}_{10}(\gamma_e)\, -2.580 -1.557 -0.527

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.238 -3.051 -1.940
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.547 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.732 -0.391 -0.162
0.03-0.10 Gyr -0.119 0.311 0.709
0.10-0.32 Gyr 0.262 0.526 0.756
0.32-1.06 Gyr -0.164 0.250 0.478
1.06-3.43 Gyr -0.279 0.008 0.215
3.43-11.15 Gyr -0.431 -0.108 0.055
11.15-12.39 Gyr -0.616 -0.068 0.341