2025sdk results

Information

Transient
Name:AT2025sdk
Right ascension: 0h55m30.48s
Declination:-1d24m51.94s
Discovery Date:July 25, 2025, 12:52 a.m.
Classification:None
Redshift:None
MW E(B-V):0.035
Host
Name:73470
Right ascension: 0h55m30.54s
Declination:-1d24m51.80s
Redshift:0.042763
Photometric Redshift:None
 

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: blocked

Task Name Status Time (s)
Cutout download processed 31.38
Transient MWEBV processed 0.07
Host match processed 4.58
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 6.04
Validate global photometry processed 17.39
Global host SED inference processed 483.82
Local aperture photometry processed 6.84
Validate local photometry processed 0.03
Local host SED inference processed 659.11
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h55m30.48s, -1d24m51.94s
semi major axis, semi minor axis (arcsec):2.37, 2.37
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 94.16 3.48 18.965 0.040 AB
SDSS_g 521.9 5.96 17.106 0.012 AB
DES_g 540.38 0.89 17.068 0.002 AB
PanSTARRS_g 527.73 0.96 17.094 0.002 AB
SDSS_r 1180.83 9.0 16.220 0.008 AB
PanSTARRS_r 1180.34 0.87 16.220 0.001 AB
DES_r 1311.59 1.45 16.106 0.001 AB
SDSS_i 1764.37 11.07 15.784 0.007 AB
PanSTARRS_i 1745.66 1.12 15.795 0.001 AB
PanSTARRS_z 2160.44 2.03 15.564 0.001 AB
SDSS_z 2441.62 14.56 15.431 0.006 AB
DES_z 2469.05 5.25 15.419 0.002 AB
PanSTARRS_y 2473.91 5.74 15.417 0.003 AB

Aperture details

RA, DEC (J2000):0h55m30.51s, -1d24m51.22s
semi major axis, semi minor axis (arcsec):7.89, 6.73
angle (degrees, anti-clockwise from east):-135.47
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.73 0.36 22.809 0.142 AB
GALEX_NUV 8.36 0.26 21.594 0.034 AB
SDSS_u 232.99 8.55 17.982 0.040 AB
SDSS_g 934.02 8.18 16.474 0.010 AB
DES_g 998.94 1.25 16.401 0.001 AB
PanSTARRS_g 1010.81 2.66 16.388 0.003 AB
SDSS_r 2112.72 12.53 15.588 0.006 AB
PanSTARRS_r 2105.65 2.28 15.592 0.001 AB
DES_r 2284.05 1.97 15.503 0.001 AB
SDSS_i 3118.94 15.67 15.165 0.005 AB
PanSTARRS_i 3164.17 2.76 15.149 0.001 AB
PanSTARRS_z 3968.93 5.42 14.903 0.001 AB
SDSS_z 4211.31 27.09 14.839 0.007 AB
DES_z 4247.31 6.98 14.830 0.002 AB
PanSTARRS_y 4761.23 17.21 14.706 0.004 AB
2MASS_J 6378.83 152.86 13.493 0.026 Vega
2MASS_H 7460.09 254.91 12.851 0.037 Vega
2MASS_K 7182.23 302.24 12.422 0.046 Vega
WISE_W1 2691.28 32.04 12.626 0.013 Vega
WISE_W2 1490.68 41.43 12.628 0.030 Vega
WISE_W3 589.5 141.49 11.800 0.261 Vega
WISE_W4 831.25 690.38 9.981 0.902 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.240 10.354 10.505
{\rm log}_{10}({\rm SFR}) -2.472 -0.522 0.380
{\rm log}_{10}({\rm sSFR}) -13.089 -10.798 -9.856
{\rm stellar\ age} 6.991 8.240 12.341

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.621 -1.073 -0.780
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.816 -0.100 0.371

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.515 0.762 1.087
\delta -0.860 -0.652 -0.350
\tau_1/\tau_2 0.607 0.996 1.403
Q_{PAH} 0.504 1.721 3.944
U_{min} 2.895 8.422 16.234
{\rm log}_{10}(\gamma_e)\, -2.556 -1.432 -0.767

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.661 -1.625 -0.797
{\rm log}_{10}(\tau_{AGN})\, 1.016 1.423 1.959

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.259 -0.381 0.165
0.03-0.10 Gyr -4.042 -0.734 0.451
0.10-0.33 Gyr -4.252 -0.795 0.235
0.33-1.09 Gyr -4.780 -0.845 0.071
1.09-3.60 Gyr -3.553 -0.465 0.298
3.60-11.87 Gyr -0.970 0.386 0.603
11.87-13.18 Gyr -0.027 0.772 1.613

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.675 10.738 10.772
{\rm log}_{10}({\rm SFR}) -3.186 -1.975 -1.349
{\rm log}_{10}({\rm sSFR}) -13.860 -12.712 -12.066
{\rm stellar\ age} 10.612 12.478 12.521

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.869 -0.699 -0.570
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.572 -0.682 0.154

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.217 0.310 0.432
\delta -0.541 -0.316 -0.131
\tau_1/\tau_2 0.478 0.906 1.365
Q_{PAH} 0.365 1.120 2.297
U_{min} 3.508 9.499 17.264
{\rm log}_{10}(\gamma_e)\, -2.997 -1.826 -1.209

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.526 -3.777 -2.778
{\rm log}_{10}(\tau_{AGN})\, 1.132 1.645 1.987

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.749 -2.463 -1.664
0.03-0.10 Gyr -3.927 -2.010 -1.230
0.10-0.33 Gyr -5.326 -2.631 -1.512
0.33-1.09 Gyr -6.306 -3.198 -1.657
1.09-3.60 Gyr -4.694 -2.636 -1.205
3.60-11.87 Gyr -2.453 -1.158 0.598
11.87-13.18 Gyr 1.580 1.866 1.907