2025sks results

Information

Transient
Name:AT2025sks
Right ascension: 9h57m17.76s
Declination:22d12m43.53s
Discovery Date:March 30, 2025, 8:47 a.m.
Classification:None
Redshift:None
MW E(B-V):0.026
Host
Name:
Right ascension: 9h57m17.75s
Declination:22d12m45.29s
Redshift:None
Photometric Redshift:0.070
 

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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 25.91
Transient MWEBV processed 0.05
Host match processed 5.37
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.66
Global aperture photometry processed 6.46
Validate global photometry processed 17.75
Global host SED inference processed 400.99
Local aperture photometry processed 7.44
Validate local photometry processed 0.03
Local host SED inference processed 502.36
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h57m17.76s, 22d12m43.53s
semi major axis, semi minor axis (arcsec):1.5, 1.5
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 11.53 0.96 21.246 0.091 AB
DES_g 11.31 0.23 21.266 0.022 AB
PanSTARRS_g 10.91 0.3 21.306 0.030 AB
SDSS_r 14.11 1.16 21.026 0.089 AB
PanSTARRS_r 13.78 0.49 21.052 0.039 AB
DES_r 16.74 0.43 20.841 0.028 AB
SDSS_i 18.35 1.45 20.741 0.086 AB
PanSTARRS_i 16.55 0.51 20.853 0.033 AB
PanSTARRS_z 18.99 1.17 20.703 0.067 AB
SDSS_z 21.5 3.9 20.569 0.197 AB
DES_z 20.65 0.95 20.613 0.050 AB
PanSTARRS_y 22.57 2.83 20.516 0.136 AB

Aperture details

RA, DEC (J2000):9h57m17.76s, 22d12m45.35s
semi major axis, semi minor axis (arcsec):6.01, 3.9
angle (degrees, anti-clockwise from east):-11.07
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.59 2.9 21.566 0.367 AB
GALEX_NUV 14.48 2.71 20.998 0.204 AB
SDSS_u 20.34 3.22 20.629 0.172 AB
SDSS_g 54.24 2.32 19.564 0.047 AB
DES_g 54.0 0.57 19.569 0.011 AB
PanSTARRS_g 58.62 0.96 19.480 0.018 AB
SDSS_r 67.04 3.0 19.334 0.049 AB
PanSTARRS_r 65.04 1.57 19.367 0.026 AB
DES_r 75.92 1.06 19.199 0.015 AB
SDSS_i 86.09 3.94 19.063 0.050 AB
PanSTARRS_i 88.55 1.62 19.032 0.020 AB
PanSTARRS_z 86.62 3.74 19.056 0.047 AB
SDSS_z 92.71 12.32 18.982 0.144 AB
DES_z 94.84 2.35 18.958 0.027 AB
PanSTARRS_y 111.64 8.96 18.780 0.087 AB
2MASS_J 384.15 131.48 16.544 0.372 Vega
2MASS_H 201.59 223.19 16.771 1.202 Vega
2MASS_K 193.44 222.9 16.346 1.251 Vega
WISE_W1 50.84 10.18 16.935 0.217 Vega
WISE_W2 33.09 14.67 16.762 0.481 Vega
WISE_W3 35.87 68.04 14.839 2.060 Vega
WISE_W4 -540.29 434.21 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.908 8.187 8.382
{\rm log}_{10}({\rm SFR}) -2.506 -1.327 -0.334
{\rm log}_{10}({\rm sSFR}) -10.720 -9.506 -8.143
{\rm stellar\ age} 0.212 1.797 5.250

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.491 -0.692 -0.040
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.494 -0.778 0.007

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.197 0.515 1.088
\delta -0.557 -0.117 0.230
\tau_1/\tau_2 0.652 1.117 1.555
Q_{PAH} 1.166 2.831 5.305
U_{min} 3.328 9.325 17.607
{\rm log}_{10}(\gamma_e)\, -2.798 -1.665 -0.593

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.841 -0.242 0.202
{\rm log}_{10}(\tau_{AGN})\, 1.097 1.413 1.898

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.943 -2.081 -1.325
0.03-0.10 Gyr -2.647 -1.259 -0.174
0.10-0.33 Gyr -2.010 -0.937 -0.295
0.33-1.07 Gyr -3.918 -1.381 -0.845
1.07-3.52 Gyr -5.819 -2.466 -1.449
3.52-11.55 Gyr -6.874 -2.917 -1.698
11.55-12.83 Gyr -6.827 -2.731 -1.591

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.699 8.956 9.116
{\rm log}_{10}({\rm SFR}) -0.671 -0.329 0.048
{\rm log}_{10}({\rm sSFR}) -9.723 -9.302 -8.755
{\rm stellar\ age} 2.144 5.022 6.655

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.376 -0.726 -0.155
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.948 -0.163 0.081

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.409 0.675
\delta -0.381 -0.022 0.222
\tau_1/\tau_2 0.977 1.303 1.599
Q_{PAH} 0.777 2.092 3.958
U_{min} 2.975 7.988 14.956
{\rm log}_{10}(\gamma_e)\, -2.753 -1.677 -0.786

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.890 -2.003 -1.133
{\rm log}_{10}(\tau_{AGN})\, 1.058 1.489 1.873

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.951 -0.716 -0.459
0.03-0.10 Gyr -0.632 -0.232 0.169
0.10-0.33 Gyr -0.672 -0.296 0.058
0.33-1.07 Gyr -1.472 -0.768 -0.465
1.07-3.52 Gyr -1.838 -1.050 -0.752
3.52-11.55 Gyr -1.990 -1.151 -0.831
11.55-12.83 Gyr -2.187 -1.147 -0.583