2025sdu

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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:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.42
Cutout download processed 28.27
Global aperture construction processed 0.67
Local aperture photometry processed 4.09
Global aperture photometry processed 3.66
Validate local photometry processed 0.02
Validate global photometry processed 10.77
Host information processed 0.16
Global host SED inference processed 414.74
Local host SED inference processed 450.72
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.05
Processing status completed N/A N/A
 

Cutout Download Report

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:
 

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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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