2025swi

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Information

Transient

Name: AT2025swi
Right ascension: 21h55m32.64s
Declination: -6d54m05.37s
Discovery Date: July 26, 2025, 7:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name: 190781
Right ascension: 21h55m32.74s
Declination: -6d54m08.36s
Redshift: 0.102958
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 5.35
Cutout download processed 31.79
Global aperture construction processed 0.66
Local aperture photometry processed 7.13
Global aperture photometry processed 6.54
Validate local photometry processed 0.03
Validate global photometry processed 16.72
Host information processed 0.16
Global host SED inference processed 496.57
Local host SED inference processed 689.4
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.06
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) = 21h55m32.64s, -6d54m05.37s
semi major axis, semi minor axis (arcsec) = 1.06, 1.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 70.3 1.83 19.283 0.028 AB
PanSTARRS_y 87.75 1.89 19.042 0.023 AB

Aperture details

RA, DEC (J2000) = 21h55m32.71s, -6d54m08.47s
semi major axis, semi minor axis (arcsec) = 9.73, 7.77
angle (degrees, anti-clockwise from east) = -16.79

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 124.6 8.69 18.661 0.076 AB
SDSS_g 577.49 6.9 16.996 0.013 AB
DES_g 637.79 1.3 16.888 0.002 AB
PanSTARRS_g 643.68 1.92 16.878 0.003 AB
SDSS_r 1411.11 10.65 16.026 0.008 AB
PanSTARRS_r 1437.93 2.38 16.006 0.002 AB
DES_r 1566.18 6.37 15.913 0.004 AB
SDSS_i 2083.61 13.67 15.603 0.007 AB
PanSTARRS_i 2137.63 2.46 15.575 0.001 AB
PanSTARRS_z 2810.97 6.68 15.278 0.003 AB
SDSS_z 3096.91 30.96 15.173 0.011 AB
DES_z 2940.69 11.9 15.229 0.004 AB
PanSTARRS_y 3195.93 15.41 15.139 0.005 AB
2MASS_J 4345.13 220.31 13.910 0.055 Vega
2MASS_H 5416.0 351.77 13.198 0.071 Vega
2MASS_K 5411.19 393.07 12.729 0.079 Vega
WISE_W1 2155.24 31.09 12.867 0.016 Vega
WISE_W2 1355.06 35.92 12.731 0.029 Vega
WISE_W3 540.0 140.03 11.895 0.282 Vega
WISE_W4 789.67 623.98 10.036 0.858 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})\, 9.013 9.481 9.799
{\rm log}_{10}({\rm SFR}) -0.485 0.053 0.572
{\rm log}_{10}({\rm sSFR}) -10.035 -9.446 -8.584
{\rm stellar\ age} 1.266 6.202 9.652

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.348 -0.410 0.040
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.801 -0.297 0.121

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.679 1.283 1.855
\delta -0.510 -0.122 0.154
\tau_1/\tau_2 0.305 0.786 1.285
Q_{PAH} 0.451 1.784 4.430
U_{min} 3.033 8.452 15.366
{\rm log}_{10}(\gamma_e)\, -3.403 -2.506 -0.972

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.789 -1.161 -0.223
{\rm log}_{10}(\tau_{AGN})\, 1.098 1.584 1.963

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.276 0.323 0.877
0.03-0.10 Gyr -2.344 -0.732 0.243
0.10-0.33 Gyr -3.672 -1.161 -0.106
0.33-1.06 Gyr -4.113 -1.131 -0.048
1.06-3.44 Gyr -3.629 -1.011 -0.285
3.44-11.18 Gyr -2.931 -0.757 -0.168
11.18-12.42 Gyr -2.947 -0.585 0.629

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.235 11.356 11.395
{\rm log}_{10}({\rm SFR}) -7.140 -3.362 -1.389
{\rm log}_{10}({\rm sSFR}) -18.226 -14.570 -12.648
{\rm stellar\ age} 7.716 11.701 11.794

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.926 -0.713 -0.557
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.543 -0.713 0.093

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.209 0.305 0.452
\delta -0.650 -0.373 -0.171
\tau_1/\tau_2 0.490 0.959 1.470
Q_{PAH} 0.546 1.279 2.523
U_{min} 4.181 11.186 18.928
{\rm log}_{10}(\gamma_e)\, -2.539 -1.482 -0.663

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.201 -3.134 -2.209
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.500 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -8.425 -4.532 -1.976
0.03-0.10 Gyr -7.985 -3.901 -1.365
0.10-0.33 Gyr -7.744 -4.443 -1.817
0.33-1.06 Gyr -6.931 -4.146 -1.708
1.06-3.44 Gyr -4.460 -2.468 -0.626
3.44-11.18 Gyr -1.688 -0.098 1.530
11.18-12.42 Gyr 1.378 2.507 2.553