2025sde

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Information

Transient

Name: AT2025sde
Right ascension: 1h56m25.41s
Declination: 11d32m27.03s
Discovery Date: July 25, 2025, 9:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.097

Host

Name:
Right ascension: 1h56m25.28s
Declination: 11d32m26.13s
Redshift: None
Photometric Redshift: 0.100
 

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 6.23
Cutout download processed 15.12
Global aperture construction processed 0.64
Local aperture photometry processed 5.54
Global aperture photometry processed 5.12
Validate local photometry processed 0.02
Validate global photometry processed 12.34
Host information processed 0.15
Global host SED inference processed 406.13
Local host SED inference processed 461.79
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.04
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) = 1h56m25.41s, 11d32m27.03s
semi major axis, semi minor axis (arcsec) = 1.09, 1.09
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 21.51 0.42 20.568 0.021 AB
PanSTARRS_z 38.67 0.71 19.932 0.020 AB
DES_z 48.6 1.74 19.683 0.039 AB
PanSTARRS_y 53.45 1.78 19.580 0.036 AB

Aperture details

RA, DEC (J2000) = 1h56m25.27s, 11d32m26.35s
semi major axis, semi minor axis (arcsec) = 8.78, 3.7
angle (degrees, anti-clockwise from east) = -58.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.93 1.61 22.167 0.354 AB
GALEX_NUV 7.83 1.66 21.665 0.230 AB
DES_g 157.11 0.63 18.409 0.004 AB
PanSTARRS_g 183.77 1.32 18.239 0.008 AB
PanSTARRS_r 387.34 2.22 17.430 0.006 AB
DES_r 390.86 1.86 17.420 0.005 AB
PanSTARRS_i 628.95 1.89 16.903 0.003 AB
PanSTARRS_z 820.83 3.69 16.614 0.005 AB
DES_z 828.83 7.33 16.604 0.010 AB
PanSTARRS_y 1005.67 9.22 16.394 0.010 AB
WISE_W1 955.52 18.33 13.750 0.021 Vega
WISE_W2 782.21 24.01 13.328 0.033 Vega
WISE_W3 2365.2 86.98 10.291 0.040 Vega
WISE_W4 3559.63 485.43 8.401 0.148 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})\, 9.289 9.450 9.608
{\rm log}_{10}({\rm SFR}) -1.179 -0.493 0.041
{\rm log}_{10}({\rm sSFR}) -10.631 -9.977 -9.369
{\rm stellar\ age} 4.339 6.792 8.640

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.122 -0.330 0.043
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.305 -0.565 0.155

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.484 1.053 1.674
\delta -0.407 -0.024 0.254
\tau_1/\tau_2 0.633 1.008 1.373
Q_{PAH} 0.620 2.092 5.011
U_{min} 2.867 8.071 15.065
{\rm log}_{10}(\gamma_e)\, -3.046 -1.977 -0.740

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.232 -0.891 0.079
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.456 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.270 -0.491 0.055
0.03-0.10 Gyr -1.452 -0.636 0.069
0.10-0.33 Gyr -1.731 -0.862 -0.182
0.33-1.06 Gyr -1.868 -0.879 -0.281
1.06-3.44 Gyr -1.940 -0.711 -0.340
3.44-11.21 Gyr -1.249 -0.480 -0.253
11.21-12.45 Gyr -1.282 -0.423 0.291

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.749 10.793 10.867
{\rm log}_{10}({\rm SFR}) -0.158 0.137 0.425
{\rm log}_{10}({\rm sSFR}) -10.998 -10.659 -10.373
{\rm stellar\ age} 7.631 9.234 11.675

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.435 -0.246 -0.079
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.966 -0.618 -0.305

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.303 0.430 0.594
\delta -0.638 -0.367 -0.162
\tau_1/\tau_2 0.502 0.888 1.295
Q_{PAH} 0.451 1.242 2.522
U_{min} 2.681 7.523 14.390
{\rm log}_{10}(\gamma_e)\, -3.118 -2.191 -1.350

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.636 -1.410 -1.195
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.293 1.570

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.248 0.452 0.652
0.03-0.10 Gyr -1.646 -0.208 0.315
0.10-0.33 Gyr -2.533 -0.694 -0.091
0.33-1.06 Gyr -2.695 -0.909 -0.216
1.06-3.44 Gyr -2.090 -0.565 0.169
3.44-11.21 Gyr -0.493 0.852 1.028
11.21-12.45 Gyr 0.932 1.583 2.001