2025ddf results

Information

Transient
Name:AT2025ddf
Right ascension: 6h29m49.78s
Declination:53d22m57.71s
Discovery Date:March 2, 2025, 5:39 a.m.
Classification:None
Redshift:None
MW E(B-V):0.105
Host
Name:2025ddf
Right ascension: 6h29m50.45s
Declination:53d22m50.57s
Redshift:0.074031
Photometric Redshift:0.056
 

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 3.28
Transient MWEBV processed 0.12
Host match processed 2.34
Host information processed 0.09
Host MWEBV processed 0.06
Global aperture construction processed 0.63
Global aperture photometry processed 3.68
Validate global photometry processed 10.92
Global host SED inference processed 396.15
Local aperture photometry processed 3.47
Validate local photometry processed 0.02
Local host SED inference processed 401.99
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):6h29m49.78s, 53d22m57.71s
semi major axis, semi minor axis (arcsec):1.42, 1.42
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 3.1 0.28 22.673 0.099 AB
PanSTARRS_r 3.13 0.45 22.662 0.157 AB
PanSTARRS_i 6.91 0.5 21.801 0.078 AB
PanSTARRS_z 4.67 1.29 22.226 0.299 AB
PanSTARRS_y 8.14 2.8 21.623 0.373 AB

Aperture details

RA, DEC (J2000):6h29m50.43s, 53d22m50.41s
semi major axis, semi minor axis (arcsec):18.19, 15.31
angle (degrees, anti-clockwise from east):-112.04
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 66.82 6.51 19.338 0.106 AB
GALEX_NUV 92.57 4.05 18.984 0.048 AB
PanSTARRS_g 845.35 3.31 16.582 0.004 AB
PanSTARRS_i 1585.33 5.75 15.900 0.004 AB
PanSTARRS_z 2065.71 14.84 15.612 0.008 AB
PanSTARRS_y 2321.25 32.51 15.486 0.015 AB
2MASS_J 2778.28 403.92 14.396 0.158 Vega
2MASS_H 4388.53 726.54 13.427 0.180 Vega
2MASS_K 2502.93 632.39 13.566 0.274 Vega
WISE_W1 1869.98 45.92 13.021 0.027 Vega
WISE_W3 6840.27 225.6 9.138 0.036 Vega
WISE_W4 12998.74 1513.31 6.995 0.126 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.392 7.929 8.253
{\rm log}_{10}({\rm SFR}) -1.302 -0.963 -0.634
{\rm log}_{10}({\rm sSFR}) -9.441 -8.832 -8.130
{\rm stellar\ age} 0.464 4.400 6.778

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.447 -0.767 -0.130
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.194 -0.358 0.015

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.873 1.291 1.701
\delta -0.119 0.123 0.294
\tau_1/\tau_2 0.648 1.020 1.447
Q_{PAH} 0.711 2.231 4.782
U_{min} 2.807 7.920 15.560
{\rm log}_{10}(\gamma_e)\, -3.084 -2.214 -1.144

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.637 -1.247 -0.164
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.459 1.849

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.017 -0.662 -0.352
0.03-0.10 Gyr -2.431 -1.345 -0.771
0.10-0.33 Gyr -3.094 -1.721 -1.132
0.33-1.07 Gyr -3.910 -1.989 -1.487
1.07-3.51 Gyr -4.563 -2.176 -1.628
3.51-11.50 Gyr -4.881 -2.294 -1.685
11.50-12.78 Gyr -4.797 -2.359 -1.541

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.422 10.537 10.605
{\rm log}_{10}({\rm SFR}) 0.542 1.019 1.412
{\rm log}_{10}({\rm sSFR}) -10.027 -9.515 -9.057
{\rm stellar\ age} 4.695 6.158 7.403

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.268 -0.120 -0.005
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.596 -0.880 0.032

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.150 0.289 0.519
\delta -0.598 -0.112 0.191
\tau_1/\tau_2 0.698 1.050 1.438
Q_{PAH} 0.710 2.095 4.312
U_{min} 2.421 7.076 14.084
{\rm log}_{10}(\gamma_e)\, -2.759 -1.694 -0.935

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.889 -1.807 -1.027
{\rm log}_{10}(\tau_{AGN})\, 1.229 1.598 1.934

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.976 0.111 0.447
0.03-0.10 Gyr 0.630 1.169 1.569
0.10-0.33 Gyr 0.363 1.001 1.364
0.33-1.07 Gyr -0.106 0.584 0.896
1.07-3.51 Gyr 0.068 0.545 0.769
3.51-11.50 Gyr 0.202 0.568 0.725
11.50-12.78 Gyr -0.017 0.624 1.094