2025sda

Download data

Information

Transient

Name: AT2025sda
Right ascension: 22h16m29.61s
Declination: 23d28m46.85s
Discovery Date: July 25, 2025, 9:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.072

Host

Name:
Right ascension: 22h16m29.61s
Declination: 23d28m49.97s
Redshift: None
Photometric Redshift: 0.064
 

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 6.35
Cutout download processed 15.61
Global aperture construction processed 0.58
Local aperture photometry processed 5.27
Global aperture photometry processed 4.62
Validate local photometry processed 0.02
Validate global photometry processed 11.74
Host information processed 0.14
Global host SED inference processed 395.9
Local host SED inference processed 436.73
Transient information processed 0.0
Transient MWEBV processed 0.05
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) = 22h16m29.61s, 23d28m46.85s
semi major axis, semi minor axis (arcsec) = 1.62, 1.62
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 32.53 0.28 20.119 0.009 AB
PanSTARRS_g 30.89 0.36 20.176 0.013 AB
PanSTARRS_r 48.89 0.44 19.677 0.010 AB
DES_r 56.95 0.58 19.511 0.011 AB
PanSTARRS_i 65.57 0.48 19.358 0.008 AB
PanSTARRS_z 75.01 1.22 19.212 0.018 AB
DES_z 86.48 2.04 19.058 0.026 AB
PanSTARRS_y 92.18 2.98 18.988 0.035 AB

Aperture details

RA, DEC (J2000) = 22h16m29.60s, 23d28m50.01s
semi major axis, semi minor axis (arcsec) = 10.19, 6.77
angle (degrees, anti-clockwise from east) = -167.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 29.99 4.31 20.208 0.156 AB
GALEX_NUV 39.45 3.16 19.910 0.087 AB
DES_g 315.14 0.95 17.654 0.003 AB
PanSTARRS_g 313.1 1.82 17.661 0.006 AB
PanSTARRS_r 500.99 2.16 17.150 0.005 AB
DES_r 546.58 1.96 17.056 0.004 AB
PanSTARRS_i 677.68 2.4 16.822 0.004 AB
PanSTARRS_z 787.9 6.16 16.659 0.008 AB
DES_z 824.52 6.59 16.609 0.009 AB
PanSTARRS_y 946.33 15.13 16.460 0.017 AB
WISE_W1 671.55 18.44 14.133 0.030 Vega
WISE_W2 424.9 21.42 13.990 0.055 Vega
WISE_W3 956.44 86.41 11.274 0.098 Vega
WISE_W4 1162.81 484.87 9.616 0.453 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})\, 8.670 8.939 9.065
{\rm log}_{10}({\rm SFR}) -1.558 -0.970 -0.053
{\rm log}_{10}({\rm sSFR}) -10.603 -9.898 -8.812
{\rm stellar\ age} 1.588 5.059 6.833

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.206 -0.580 -0.194
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.559 -0.226 0.244

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.152 0.507 0.889
\delta -0.774 -0.427 -0.099
\tau_1/\tau_2 0.665 1.000 1.347
Q_{PAH} 0.846 2.723 5.422
U_{min} 3.065 8.129 15.005
{\rm log}_{10}(\gamma_e)\, -3.008 -1.786 -0.609

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.868 -0.752 -0.199
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.443 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.572 -1.163 -0.784
0.03-0.10 Gyr -1.683 -0.926 0.083
0.10-0.33 Gyr -1.517 -0.786 -0.164
0.33-1.08 Gyr -1.770 -0.780 -0.423
1.08-3.54 Gyr -2.141 -0.951 -0.677
3.54-11.61 Gyr -2.773 -1.153 -0.842
11.61-12.90 Gyr -2.676 -1.218 -0.668

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.037 10.083 10.130
{\rm log}_{10}({\rm SFR}) -0.218 -0.027 0.167
{\rm log}_{10}({\rm sSFR}) -10.305 -10.114 -9.904
{\rm stellar\ age} 5.873 6.658 7.521

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.495 -0.261 -0.095
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.566 0.102 0.359

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.110 0.201 0.362
\delta -0.254 0.142 0.322
\tau_1/\tau_2 0.799 1.102 1.395
Q_{PAH} 0.867 2.098 4.138
U_{min} 2.591 7.127 13.694
{\rm log}_{10}(\gamma_e)\, -3.065 -2.029 -1.292

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.112 -2.950 -2.042
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.403 1.842

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.353 -0.192 -0.050
0.03-0.10 Gyr -0.233 0.030 0.273
0.10-0.33 Gyr -0.081 0.143 0.341
0.33-1.08 Gyr -0.109 0.104 0.264
1.08-3.54 Gyr -0.055 0.161 0.332
3.54-11.61 Gyr 0.038 0.183 0.291
11.61-12.90 Gyr -0.183 0.213 0.564