2025syz

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Information

Transient

Name: AT2025syz
Right ascension: 2h19m15.50s
Declination: -8d19m02.86s
Discovery Date: July 29, 2025, 10:32 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name:
Right ascension: 2h19m15.76s
Declination: -8d19m08.78s
Redshift: None
Photometric Redshift: 0.133
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 7.85
Cutout download processed 33.92
Global aperture construction processed 2.68
Local aperture photometry processed 7.9
Global aperture photometry processed 6.32
Validate local photometry no valid phot 0.03
Validate global photometry processed 18.26
Host information processed 0.15
Global host SED inference processed 483.42
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.05
Processing status blocked 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) = 2h19m15.50s, -8d19m02.86s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 2h19m15.73s, -8d19m08.31s
semi major axis, semi minor axis (arcsec) = 6.52, 4.0
angle (degrees, anti-clockwise from east) = -102.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.13 0.59 22.359 0.156 AB
GALEX_NUV 5.44 0.51 22.061 0.102 AB
SDSS_u 4.48 4.38 22.272 1.062 AB
SDSS_g 10.99 1.99 21.298 0.197 AB
DES_g 20.88 0.27 20.601 0.014 AB
PanSTARRS_g 20.51 1.0 20.620 0.053 AB
SDSS_r 34.99 3.06 20.040 0.095 AB
PanSTARRS_r 27.67 1.45 20.295 0.057 AB
DES_r 30.11 0.39 20.203 0.014 AB
SDSS_i 25.95 4.21 20.364 0.176 AB
PanSTARRS_i 33.43 1.54 20.090 0.050 AB
PanSTARRS_z 41.42 2.98 19.857 0.078 AB
SDSS_z 63.4 20.47 19.395 0.350 AB
DES_z 36.37 1.18 19.998 0.035 AB
PanSTARRS_y 41.46 8.15 19.856 0.213 AB
2MASS_J 115.28 124.77 17.851 1.175 Vega
2MASS_H 244.45 203.17 16.562 0.902 Vega
2MASS_K -3.14 236.09 Vega
WISE_W1 6.07 6.64 19.244 1.188 Vega
WISE_W2 -3.6 12.11 Vega
WISE_W3 5.65 50.63 16.846 9.734 Vega
WISE_W4 149.91 262.76 11.840 1.903 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.019 9.244 9.411
{\rm log}_{10}({\rm SFR}) -0.579 0.056 0.604
{\rm log}_{10}({\rm sSFR}) -9.872 -9.203 -8.522
{\rm stellar\ age} 0.847 4.751 6.814

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.589 -0.892 -0.086
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.330 -0.720 -0.159

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.103 0.565 1.167
\delta -0.209 0.175 0.337
\tau_1/\tau_2 0.566 1.026 1.515
Q_{PAH} 1.686 3.940 5.754
U_{min} 3.801 9.525 17.256
{\rm log}_{10}(\gamma_e)\, -2.937 -1.747 -0.733

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.684 -0.825 -0.133
{\rm log}_{10}(\tau_{AGN})\, 1.027 1.455 1.826

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.843 -1.128 -0.448
0.03-0.10 Gyr -0.503 0.200 0.759
0.10-0.32 Gyr -0.993 -0.030 0.586
0.32-1.04 Gyr -2.242 -0.761 -0.250
1.04-3.36 Gyr -3.122 -0.889 -0.497
3.36-10.86 Gyr -3.192 -0.928 -0.553
10.86-12.06 Gyr -3.116 -0.850 -0.132