2025qsn

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Information

Transient

Name: AT2025qsn
Right ascension: 16h00m38.37s
Declination: 14d21m23.14s
Discovery Date: July 9, 2025, 10 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name:
Right ascension: 16h00m38.31s
Declination: 14d21m23.16s
Redshift: None
Photometric Redshift: 0.068
 

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 7.58
Cutout download processed 29.72
Global aperture construction processed 2.75
Local aperture photometry processed 6.19
Global aperture photometry processed 5.41
Validate local photometry processed 0.03
Validate global photometry processed 16.86
Host information processed 0.16
Global host SED inference processed 503.38
Local host SED inference processed 503.38
Transient information processed 0.0
Transient MWEBV processed 0.14
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) = 16h00m38.37s, 14d21m23.14s
semi major axis, semi minor axis (arcsec) = 1.53, 1.53
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 12.48 0.99 21.160 0.086 AB
DES_g 11.27 0.18 21.270 0.017 AB
PanSTARRS_g 9.13 0.42 21.499 0.050 AB
SDSS_r 15.7 1.17 20.910 0.081 AB
PanSTARRS_r 15.0 0.49 20.960 0.035 AB
DES_r 16.63 0.38 20.848 0.025 AB
SDSS_i 17.35 1.42 20.801 0.089 AB
PanSTARRS_i 17.41 0.39 20.798 0.024 AB
PanSTARRS_z 20.02 1.37 20.646 0.074 AB
SDSS_z 21.61 3.62 20.563 0.182 AB
PanSTARRS_y 22.74 3.13 20.508 0.149 AB

Aperture details

RA, DEC (J2000) = 16h00m38.31s, 14d21m23.47s
semi major axis, semi minor axis (arcsec) = 5.54, 4.79
angle (degrees, anti-clockwise from east) = -99.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.81 2.16 21.817 0.345 AB
GALEX_NUV 3.12 1.17 22.664 0.408 AB
SDSS_u -10.65 4.03 AB
SDSS_g 41.35 2.15 19.859 0.057 AB
DES_g 32.01 0.38 20.137 0.013 AB
PanSTARRS_g 26.15 1.4 20.356 0.058 AB
SDSS_r 45.46 2.68 19.756 0.064 AB
PanSTARRS_r 43.3 1.63 19.809 0.041 AB
DES_r 47.25 0.82 19.714 0.019 AB
SDSS_i 42.44 3.71 19.831 0.095 AB
PanSTARRS_i 52.31 1.29 19.604 0.027 AB
PanSTARRS_z 63.35 4.56 19.396 0.078 AB
SDSS_z 67.23 11.83 19.331 0.191 AB
PanSTARRS_y 73.61 10.41 19.233 0.154 AB
2MASS_J -33.35 130.47 Vega
2MASS_H 217.75 184.78 16.687 0.921 Vega
2MASS_K -301.44 267.58 Vega
WISE_W1 14.64 6.95 18.287 0.515 Vega
WISE_W2 4.2 9.98 19.003 2.581 Vega
WISE_W3 -48.78 63.56 Vega
WISE_W4 -200.31 384.5 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})\, 8.012 8.296 8.443
{\rm log}_{10}({\rm SFR}) -2.649 -1.344 -0.223
{\rm log}_{10}({\rm sSFR}) -10.966 -9.681 -8.116
{\rm stellar\ age} 0.229 3.194 6.101

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.664 -0.938 -0.213
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.571 -0.757 0.093

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.166 0.518 1.163
\delta -0.501 -0.119 0.233
\tau_1/\tau_2 0.658 1.090 1.528
Q_{PAH} 1.372 3.373 5.475
U_{min} 3.491 9.512 17.573
{\rm log}_{10}(\gamma_e)\, -2.851 -1.847 -0.780

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.905 -0.280 0.169
{\rm log}_{10}(\tau_{AGN})\, 1.161 1.501 1.918

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.720 -2.186 -1.474
0.03-0.10 Gyr -2.783 -1.241 -0.064
0.10-0.33 Gyr -2.550 -1.141 -0.418
0.33-1.08 Gyr -4.004 -1.400 -0.898
1.08-3.53 Gyr -5.014 -1.859 -1.316
3.53-11.56 Gyr -5.837 -2.282 -1.558
11.56-12.85 Gyr -6.233 -2.228 -1.375

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.667 8.875 9.029
{\rm log}_{10}({\rm SFR}) -1.273 -0.596 0.090
{\rm log}_{10}({\rm sSFR}) -10.152 -9.445 -8.720
{\rm stellar\ age} 0.763 4.806 6.871

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.443 -0.583 -0.050
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.385 -0.010 0.347

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.123 0.629 1.109
\delta -0.143 0.205 0.342
\tau_1/\tau_2 0.658 1.101 1.536
Q_{PAH} 1.140 2.991 5.048
U_{min} 3.248 9.055 16.499
{\rm log}_{10}(\gamma_e)\, -2.716 -1.516 -0.594

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.329 -1.115 -0.318
{\rm log}_{10}(\tau_{AGN})\, 0.982 1.509 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.434 -1.372 -0.885
0.03-0.10 Gyr -1.281 -0.466 0.247
0.10-0.33 Gyr -1.075 -0.458 0.154
0.33-1.08 Gyr -2.619 -0.985 -0.540
1.08-3.53 Gyr -3.504 -1.141 -0.778
3.53-11.56 Gyr -3.790 -1.324 -0.955
11.56-12.85 Gyr -3.703 -1.316 -0.611