2025dec results

Information

Transient
Name:AT2025dec
Right ascension: 5h20m58.16s
Declination:-21d35m19.73s
Discovery Date:Feb. 3, 2025, 3:09 a.m.
Classification:None
Redshift:None
MW E(B-V):0.033
Host
Name:2025dec
Right ascension: 5h20m58.15s
Declination:-21d35m19.76s
Redshift:0.083594
Photometric Redshift:0.068
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_NUV
GALEX_FUV
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 2.23
Transient MWEBV processed 0.05
Host match processed 2.95
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 4.04
Validate global photometry processed 10.63
Global host SED inference processed 550.14
Local aperture photometry processed 3.81
Validate local photometry processed 0.02
Local host SED inference processed 464.28
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):5h20m58.16s, -21d35m19.73s
semi major axis, semi minor axis (arcsec):1.27, 1.27
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 308.99 0.5 17.675 0.002 AB
PanSTARRS_i 436.06 0.47 17.301 0.001 AB
PanSTARRS_z 488.9 1.02 17.177 0.002 AB
PanSTARRS_y 530.77 2.05 17.088 0.004 AB

Aperture details

RA, DEC (J2000):5h20m58.14s, -21d35m19.69s
semi major axis, semi minor axis (arcsec):10.66, 7.52
angle (degrees, anti-clockwise from east):-79.25
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 871.3 2.62 16.550 0.003 AB
PanSTARRS_r 1212.43 2.83 16.191 0.003 AB
PanSTARRS_i 1724.01 2.73 15.809 0.002 AB
PanSTARRS_z 1955.25 6.56 15.672 0.004 AB
PanSTARRS_y 2354.46 14.05 15.470 0.006 AB
2MASS_J 3005.5 213.92 14.310 0.077 Vega
2MASS_H 4215.09 340.56 13.470 0.088 Vega
2MASS_K 3728.23 387.63 13.133 0.113 Vega
WISE_W1 3169.65 32.56 12.448 0.011 Vega
WISE_W2 3422.62 45.86 11.725 0.015 Vega
WISE_W3 5310.87 109.85 9.413 0.022 Vega
WISE_W4 10182.68 867.72 7.260 0.093 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.982 10.150 10.317
{\rm log}_{10}({\rm SFR}) -0.609 -0.059 0.536
{\rm log}_{10}({\rm sSFR}) -10.799 -10.187 -9.562
{\rm stellar\ age} 4.938 7.165 9.749

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.570 -1.092 -0.541
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.734 -0.783 0.153

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.213 0.443 0.775
\delta -0.750 -0.353 0.174
\tau_1/\tau_2 0.622 0.998 1.403
Q_{PAH} 0.685 2.156 4.627
U_{min} 2.605 7.793 15.022
{\rm log}_{10}(\gamma_e)\, -3.333 -2.145 -0.757

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.757 -1.552 -0.657
{\rm log}_{10}(\tau_{AGN})\, 1.009 1.495 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.660 -0.206 0.169
0.03-0.10 Gyr -0.854 -0.052 0.649
0.10-0.33 Gyr -1.195 -0.150 0.418
0.33-1.07 Gyr -1.495 -0.162 0.342
1.07-3.49 Gyr -1.616 -0.027 0.321
3.49-11.39 Gyr -0.767 0.185 0.422
11.39-12.66 Gyr -0.505 0.383 1.190

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.674 10.774 10.850
{\rm log}_{10}({\rm SFR}) 0.118 0.612 1.020
{\rm log}_{10}({\rm sSFR}) -10.652 -10.172 -9.736
{\rm stellar\ age} 4.913 6.493 7.755

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.176 0.017 0.134
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.306 -0.654 -0.101

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.268 0.506
\delta -0.624 -0.185 0.207
\tau_1/\tau_2 0.505 0.905 1.310
Q_{PAH} 0.209 0.640 1.735
U_{min} 2.703 6.921 13.523
{\rm log}_{10}(\gamma_e)\, -3.349 -2.449 -1.545

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.018 -0.891 -0.775
{\rm log}_{10}(\tau_{AGN})\, 0.725 0.772 0.850

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.264 0.573 0.825
0.03-0.10 Gyr -0.231 0.595 1.111
0.10-0.33 Gyr -0.245 0.610 1.055
0.33-1.07 Gyr 0.172 0.670 1.004
1.07-3.49 Gyr 0.503 0.863 1.117
3.49-11.39 Gyr 0.510 0.848 1.000
11.39-12.66 Gyr 0.230 0.886 1.363