2025swn

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Information

Transient

Name: AT2025swn
Right ascension: 17h58m52.91s
Declination: 30d42m10.64s
Discovery Date: July 31, 2025, 6:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name:
Right ascension: 17h58m53.15s
Declination: 30d42m17.28s
Redshift: None
Photometric Redshift: 0.060
 

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 7.64
Cutout download processed 16.27
Global aperture construction processed 0.73
Local aperture photometry processed 5.68
Global aperture photometry processed 4.78
Validate local photometry processed 0.02
Validate global photometry processed 13.55
Host information processed 0.14
Global host SED inference processed 452.15
Local host SED inference processed 460.52
Transient information processed 0.0
Transient MWEBV processed 0.09
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) = 17h58m52.91s, 30d42m10.64s
semi major axis, semi minor axis (arcsec) = 1.73, 1.73
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 4.43 0.3 22.285 0.073 AB
PanSTARRS_g 4.06 0.36 22.379 0.097 AB
PanSTARRS_r 6.46 0.51 21.874 0.085 AB
DES_r 7.46 0.24 21.718 0.035 AB
PanSTARRS_i 8.13 0.47 21.625 0.062 AB
PanSTARRS_z 7.95 1.29 21.649 0.176 AB
DES_z 10.0 0.73 21.400 0.079 AB
PanSTARRS_y 9.79 3.59 21.423 0.398 AB

Aperture details

RA, DEC (J2000) = 17h58m53.15s, 30d42m17.43s
semi major axis, semi minor axis (arcsec) = 9.52, 5.28
angle (degrees, anti-clockwise from east) = -169.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 131.99 1.52 18.599 0.013 AB
PanSTARRS_g 132.17 1.49 18.597 0.012 AB
PanSTARRS_r 197.28 2.12 18.162 0.012 AB
DES_r 212.43 1.16 18.082 0.006 AB
PanSTARRS_i 240.81 1.91 17.946 0.009 AB
PanSTARRS_z 268.04 5.25 17.829 0.021 AB
DES_z 281.31 3.61 17.777 0.014 AB
PanSTARRS_y 301.61 14.61 17.701 0.053 AB
2MASS_J 441.56 150.41 16.393 0.370 Vega
2MASS_H 224.37 232.57 16.655 1.125 Vega
2MASS_K 697.07 237.98 14.954 0.371 Vega
WISE_W1 125.98 13.51 15.950 0.116 Vega
WISE_W2 64.43 13.89 16.038 0.234 Vega
WISE_W3 116.88 57.95 13.557 0.538 Vega
WISE_W4 503.5 429.75 10.525 0.927 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})\, 7.731 8.013 8.179
{\rm log}_{10}({\rm SFR}) -2.249 -1.639 -1.142
{\rm log}_{10}({\rm sSFR}) -10.298 -9.633 -8.972
{\rm stellar\ age} 1.916 5.222 7.085

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.618 -0.992 -0.298
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.555 -0.308 0.254

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.384 0.790 1.270
\delta -0.281 0.049 0.268
\tau_1/\tau_2 0.654 1.005 1.366
Q_{PAH} 1.145 2.979 5.230
U_{min} 2.871 7.923 14.907
{\rm log}_{10}(\gamma_e)\, -2.643 -1.692 -0.672

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.307 -0.270 0.272
{\rm log}_{10}(\tau_{AGN})\, 1.035 1.522 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.298 -1.667 -1.203
0.03-0.10 Gyr -2.373 -1.685 -1.114
0.10-0.33 Gyr -2.258 -1.602 -1.059
0.33-1.08 Gyr -2.490 -1.756 -1.339
1.08-3.55 Gyr -2.748 -1.916 -1.618
3.55-11.66 Gyr -3.106 -2.058 -1.716
11.66-12.96 Gyr -3.236 -2.170 -1.569

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.329 9.460 9.578
{\rm log}_{10}({\rm SFR}) -1.708 -1.001 -0.381
{\rm log}_{10}({\rm sSFR}) -11.096 -10.453 -9.786
{\rm stellar\ age} 3.966 6.123 7.623

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.613 -1.222 -0.867
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.177 0.108 0.395

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.144 0.265 0.422
\delta -0.700 -0.309 0.094
\tau_1/\tau_2 0.651 0.996 1.368
Q_{PAH} 0.887 2.381 4.276
U_{min} 2.872 8.276 15.318
{\rm log}_{10}(\gamma_e)\, -2.417 -1.325 -0.458

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.295 -3.253 -2.008
{\rm log}_{10}(\tau_{AGN})\, 1.068 1.585 1.970

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.011 -1.217 -0.891
0.03-0.10 Gyr -1.895 -0.966 -0.255
0.10-0.33 Gyr -1.237 -0.462 -0.001
0.33-1.08 Gyr -0.850 -0.382 -0.074
1.08-3.55 Gyr -0.822 -0.420 -0.154
3.55-11.66 Gyr -1.069 -0.524 -0.297
11.66-12.96 Gyr -1.407 -0.554 0.047