2025sdu results

Information

Transient
Name:AT2025sdu
Right ascension: 15h25m27.67s
Declination:43d10m08.13s
Discovery Date:July 25, 2025, 9:08 p.m.
Classification:None
Redshift:None
MW E(B-V):0.022
Host
Name:2214563
Right ascension: 15h25m26.54s
Declination:43d10m11.45s
Redshift:0.057524
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_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 28.27
Transient MWEBV processed 0.11
Host match processed 4.42
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.67
Global aperture photometry processed 3.66
Validate global photometry processed 10.77
Global host SED inference processed 414.74
Local aperture photometry processed 4.09
Validate local photometry processed 0.02
Local host SED inference processed 450.72
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h25m27.67s, 43d10m08.13s
semi major axis, semi minor axis (arcsec):1.8, 1.8
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 6.41 0.39 21.882 0.067 AB
PanSTARRS_r 8.17 0.49 21.620 0.066 AB
PanSTARRS_i 10.09 0.57 21.391 0.061 AB
PanSTARRS_z 4.39 1.1 22.294 0.272 AB
PanSTARRS_y 3.51 3.2 22.537 0.989 AB

Aperture details

RA, DEC (J2000):15h25m26.56s, 43d10m11.74s
semi major axis, semi minor axis (arcsec):18.58, 16.42
angle (degrees, anti-clockwise from east):-80.36
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 117.63 9.44 18.724 0.087 AB
GALEX_NUV 144.28 2.03 18.502 0.015 AB
PanSTARRS_g 1277.95 3.88 16.134 0.003 AB
PanSTARRS_r 2080.42 4.84 15.605 0.003 AB
PanSTARRS_i 2692.24 5.52 15.325 0.002 AB
2MASS_J 4280.08 408.65 13.926 0.104 Vega
2MASS_H 3444.16 686.83 13.690 0.217 Vega
2MASS_K 5079.93 627.93 12.798 0.134 Vega
WISE_W1 2379.8 35.92 12.760 0.016 Vega
WISE_W4 4183.91 635.14 8.226 0.165 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.279 7.591 7.835
{\rm log}_{10}({\rm SFR}) -1.622 -1.206 -0.750
{\rm log}_{10}({\rm sSFR}) -9.350 -8.762 -8.119
{\rm stellar\ age} 0.297 2.604 5.735

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.823 -1.459 -0.873
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.226 0.061 0.250

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.357 0.685 1.049
\delta -0.500 -0.119 0.175
\tau_1/\tau_2 0.730 1.133 1.550
Q_{PAH} 0.744 2.213 4.868
U_{min} 3.233 8.454 15.829
{\rm log}_{10}(\gamma_e)\, -3.013 -2.139 -1.166

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.221 -0.564 0.018
{\rm log}_{10}(\tau_{AGN})\, 0.916 1.341 1.789

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.577 -1.216 -0.866
0.03-0.10 Gyr -1.896 -1.249 -0.685
0.10-0.33 Gyr -2.823 -1.668 -1.115
0.33-1.08 Gyr -3.951 -2.181 -1.600
1.08-3.56 Gyr -4.691 -2.735 -2.040
3.56-11.69 Gyr -5.290 -2.994 -2.219
11.69-12.99 Gyr -5.363 -3.090 -2.132

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.565 10.625 10.701
{\rm log}_{10}({\rm SFR}) -0.036 0.249 0.580
{\rm log}_{10}({\rm sSFR}) -10.657 -10.381 -10.054
{\rm stellar\ age} 6.646 7.528 9.147

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.727 -0.482 -0.243
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.737 -0.268 0.302

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.077 0.158 0.307
\delta -0.440 -0.005 0.284
\tau_1/\tau_2 0.625 1.003 1.372
Q_{PAH} 0.647 2.256 4.397
U_{min} 2.389 7.030 14.292
{\rm log}_{10}(\gamma_e)\, -3.205 -2.073 -1.041

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.463 -1.876 -1.438
{\rm log}_{10}(\tau_{AGN})\, 0.892 1.220 1.693

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.930 -0.122 0.165
0.03-0.10 Gyr -0.079 0.326 0.731
0.10-0.33 Gyr -0.192 0.249 0.586
0.33-1.08 Gyr -0.319 0.230 0.504
1.08-3.56 Gyr -0.191 0.459 0.745
3.56-11.69 Gyr 0.492 0.757 0.878
11.69-12.99 Gyr 0.314 0.875 1.465