2025swt

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Information

Transient

Name: AT2025swt
Right ascension: 18h02m46.10s
Declination: 57d07m54.65s
Discovery Date: July 31, 2025, 5:49 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.058

Host

Name:
Right ascension: 18h02m45.93s
Declination: 57d08m05.92s
Redshift: 0.035430
Photometric Redshift: 0.038
 

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 5.75
Cutout download processed 23.57
Global aperture construction processed 0.71
Local aperture photometry processed 4.1
Global aperture photometry processed 3.74
Validate local photometry processed 0.02
Validate global photometry processed 11.77
Host information processed 0.15
Global host SED inference processed 499.45
Local host SED inference processed 441.86
Transient information processed 0.0
Transient MWEBV processed 0.07
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) = 18h02m46.10s, 57d07m54.65s
semi major axis, semi minor axis (arcsec) = 2.84, 2.84
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 48.59 0.8 19.684 0.018 AB
PanSTARRS_r 64.89 0.79 19.370 0.013 AB
PanSTARRS_i 87.46 0.91 19.046 0.011 AB
PanSTARRS_z 88.8 2.33 19.029 0.028 AB
PanSTARRS_y 97.15 4.44 18.931 0.050 AB
2MASS_H 198.76 110.52 16.787 0.604 Vega

Aperture details

RA, DEC (J2000) = 18h02m45.92s, 57d08m06.06s
semi major axis, semi minor axis (arcsec) = 18.08, 14.2
angle (degrees, anti-clockwise from east) = -151.45

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 387.46 8.07 17.429 0.023 AB
PanSTARRS_g 3017.82 4.5 15.201 0.002 AB
PanSTARRS_r 4523.22 4.57 14.761 0.001 AB
PanSTARRS_i 5891.8 5.2 14.474 0.001 AB
PanSTARRS_y 7171.52 25.1 14.261 0.004 AB
2MASS_H 9037.0 631.56 12.642 0.076 Vega
WISE_W1 4293.46 38.0 12.119 0.010 Vega
WISE_W2 2998.66 36.62 11.869 0.013 Vega
WISE_W3 17848.18 129.97 8.097 0.008 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})\, 8.383 8.584 8.721
{\rm log}_{10}({\rm SFR}) -1.846 -1.214 -0.677
{\rm log}_{10}({\rm sSFR}) -10.499 -9.807 -9.148
{\rm stellar\ age} 2.947 6.071 7.996

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.783 -1.393 -0.883
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.706 -1.197 -0.555

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.238 0.638 0.950
\delta -0.312 0.040 0.288
\tau_1/\tau_2 0.661 0.993 1.320
Q_{PAH} 0.688 2.369 4.675
U_{min} 2.909 7.926 14.981
{\rm log}_{10}(\gamma_e)\, -3.201 -2.197 -0.825

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.091 -1.230 -0.181
{\rm log}_{10}(\tau_{AGN})\, 1.085 1.458 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.991 -1.465 -1.071
0.03-0.10 Gyr -1.905 -1.154 -0.561
0.10-0.33 Gyr -1.891 -1.120 -0.589
0.33-1.09 Gyr -2.159 -1.331 -0.869
1.09-3.62 Gyr -2.185 -1.432 -1.112
3.62-11.95 Gyr -2.277 -1.445 -1.156
11.95-13.28 Gyr -2.372 -1.457 -0.835

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.037 10.346 10.529
{\rm log}_{10}({\rm SFR}) -0.024 0.615 1.023
{\rm log}_{10}({\rm sSFR}) -10.300 -9.757 -9.234
{\rm stellar\ age} 2.305 6.386 8.347

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.418 -0.873 -0.542
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.509 -0.447 0.242

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.255 0.439 0.630
\delta -0.499 -0.146 0.120
\tau_1/\tau_2 0.741 1.116 1.493
Q_{PAH} 0.556 1.319 2.415
U_{min} 2.764 7.901 15.146
{\rm log}_{10}(\gamma_e)\, -3.324 -2.196 -1.567

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.202 -1.771 -1.397
{\rm log}_{10}(\tau_{AGN})\, 1.115 1.518 1.849

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.481 0.092 0.520
0.03-0.10 Gyr -0.069 0.708 1.158
0.10-0.33 Gyr 0.070 0.735 1.249
0.33-1.09 Gyr -0.743 0.253 0.776
1.09-3.62 Gyr -0.970 0.195 0.567
3.62-11.95 Gyr -1.090 0.280 0.654
11.95-13.28 Gyr -1.142 0.334 1.034