2025sxi

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Information

Transient

Name: AT2025sxi
Right ascension: 4h28m11.84s
Declination: -7d32m39.26s
Discovery Date: July 23, 2025, 9:49 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.074

Host

Name:
Right ascension: 4h28m12.03s
Declination: -7d32m44.65s
Redshift: None
Photometric Redshift: 0.019
 

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 7.23
Cutout download processed 50.6
Global aperture construction processed 0.68
Local aperture photometry processed 6.4
Global aperture photometry processed 5.74
Validate local photometry processed 0.03
Validate global photometry processed 14.12
Host information processed 0.14
Global host SED inference processed 428.57
Local host SED inference processed 485.53
Transient information processed 0.0
Transient MWEBV processed 0.1
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) = 4h28m11.84s, -7d32m39.26s
semi major axis, semi minor axis (arcsec) = 5.3, 5.3
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.8 3.3 21.132 0.280 AB
DES_g 83.61 0.36 19.094 0.005 AB
PanSTARRS_g 89.85 1.51 19.016 0.018 AB
PanSTARRS_r 130.49 1.67 18.611 0.014 AB
DES_r 126.08 1.03 18.648 0.009 AB
PanSTARRS_i 146.12 1.88 18.488 0.014 AB
PanSTARRS_z 151.57 3.86 18.448 0.028 AB
DES_z 162.07 2.08 18.376 0.014 AB
PanSTARRS_y 183.73 10.36 18.240 0.061 AB
2MASS_J 236.8 102.25 17.069 0.469 Vega
2MASS_H 4.65 130.67 20.864 30.504 Vega
2MASS_K 100.91 212.48 17.052 2.286 Vega

Aperture details

RA, DEC (J2000) = 4h28m12.04s, -7d32m45.42s
semi major axis, semi minor axis (arcsec) = 14.74, 5.59
angle (degrees, anti-clockwise from east) = -38.7

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.88 6.07 19.898 0.165 AB
GALEX_NUV 55.35 3.85 19.542 0.075 AB
DES_g 274.41 0.63 17.804 0.003 AB
PanSTARRS_g 263.89 2.57 17.846 0.011 AB
PanSTARRS_r 386.25 2.84 17.433 0.008 AB
DES_r 412.7 1.83 17.361 0.005 AB
PanSTARRS_i 448.37 3.23 17.271 0.008 AB
PanSTARRS_z 487.06 6.57 17.181 0.015 AB
DES_z 542.9 3.68 17.063 0.007 AB
PanSTARRS_y 533.3 17.5 17.083 0.036 AB
2MASS_J 745.46 185.21 15.824 0.270 Vega
2MASS_H -6.58 235.65 Vega
2MASS_K 682.93 384.95 14.976 0.612 Vega
WISE_W1 229.59 15.69 15.299 0.074 Vega
WISE_W2 137.99 23.83 15.211 0.188 Vega
WISE_W3 390.5 95.88 12.247 0.267 Vega
WISE_W4 274.09 521.41 11.185 2.065 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})\, 8.122 8.251 8.370
{\rm log}_{10}({\rm SFR}) -2.042 -1.615 -1.203
{\rm log}_{10}({\rm sSFR}) -10.379 -9.875 -9.390
{\rm stellar\ age} 4.894 6.839 8.310

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.809 -1.457 -0.957
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.469 -0.086 0.261

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.085 0.346 0.655
\delta -0.182 0.161 0.323
\tau_1/\tau_2 0.732 1.078 1.428
Q_{PAH} 0.611 2.333 4.623
U_{min} 2.800 7.811 14.766
{\rm log}_{10}(\gamma_e)\, -3.194 -2.300 -0.952

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.152 -1.251 -0.551
{\rm log}_{10}(\tau_{AGN})\, 0.935 1.370 1.839

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.085 -1.800 -1.504
0.03-0.10 Gyr -2.108 -1.564 -1.097
0.10-0.33 Gyr -2.192 -1.600 -1.163
0.33-1.10 Gyr -2.322 -1.756 -1.370
1.10-3.66 Gyr -2.168 -1.739 -1.497
3.66-12.16 Gyr -2.078 -1.703 -1.486
12.16-13.51 Gyr -2.282 -1.672 -1.172

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.702 8.785 8.872
{\rm log}_{10}({\rm SFR}) -1.248 -1.035 -0.805
{\rm log}_{10}({\rm sSFR}) -10.045 -9.818 -9.577
{\rm stellar\ age} 7.189 8.046 9.779

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.382 -1.064 -0.855
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.860 -1.583 0.250

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.056 0.118 0.232
\delta -0.584 -0.119 0.202
\tau_1/\tau_2 0.762 1.135 1.499
Q_{PAH} 0.326 1.110 2.602
U_{min} 3.141 7.792 14.465
{\rm log}_{10}(\gamma_e)\, -2.844 -1.855 -1.097

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.296 -3.184 -2.213
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.546 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.602 -1.421 -1.275
0.03-0.10 Gyr -1.184 -0.928 -0.676
0.10-0.33 Gyr -1.652 -1.221 -0.948
0.33-1.10 Gyr -2.084 -1.611 -1.328
1.10-3.66 Gyr -2.087 -1.551 -1.276
3.66-12.16 Gyr -1.350 -1.117 -0.986
12.16-13.51 Gyr -1.273 -0.863 -0.344