2025syr

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Information

Transient

Name: AT2025syr
Right ascension: 20h56m58.74s
Declination: -52d07m53.30s
Discovery Date: July 26, 2025, 12:42 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.032

Host

Name: 448301
Right ascension: 20h56m58.23s
Declination: -52d07m56.55s
Redshift: None
Photometric Redshift: 0.050
 

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 4.07
Cutout download processed 29.6
Global aperture construction processed 0.48
Local aperture photometry processed 1.97
Global aperture photometry processed 1.87
Validate local photometry processed 0.02
Validate global photometry processed 4.9
Host information processed 0.16
Global host SED inference processed 583.96
Local host SED inference processed 495.11
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 20h56m58.74s, -52d07m53.30s
semi major axis, semi minor axis (arcsec) = 2.03, 2.03
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 45.12 0.25 19.764 0.006 AB
DES_r 81.07 0.43 19.128 0.006 AB
DES_z 119.17 1.44 18.710 0.013 AB

Aperture details

RA, DEC (J2000) = 20h56m58.28s, -52d07m56.36s
semi major axis, semi minor axis (arcsec) = 17.89, 13.51
angle (degrees, anti-clockwise from east) = 17.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1236.86 1.45 16.169 0.001 AB
DES_r 2267.21 2.4 15.511 0.001 AB
DES_z 3390.86 8.13 15.074 0.003 AB
2MASS_J 4480.35 408.07 13.877 0.099 Vega
2MASS_K 4871.83 688.29 12.843 0.153 Vega
WISE_W1 2356.42 40.79 12.770 0.019 Vega
WISE_W2 1497.18 45.53 12.623 0.033 Vega
WISE_W3 6117.76 165.51 9.260 0.029 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})\, 8.898 9.081 9.238
{\rm log}_{10}({\rm SFR}) -1.440 -0.795 -0.297
{\rm log}_{10}({\rm sSFR}) -10.557 -9.892 -9.282
{\rm stellar\ age} 5.098 6.955 8.852

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.760 -1.308 -0.710
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.845 -1.013 0.220

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.393 0.741 1.121
\delta -0.509 -0.193 0.180
\tau_1/\tau_2 0.732 1.070 1.420
Q_{PAH} 0.499 2.093 5.014
U_{min} 2.899 8.050 14.844
{\rm log}_{10}(\gamma_e)\, -3.235 -2.079 -0.956

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.705 -1.352 -0.305
{\rm log}_{10}(\tau_{AGN})\, 0.976 1.470 1.956

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.523 -0.829 -0.348
0.03-0.10 Gyr -1.736 -0.868 -0.276
0.10-0.33 Gyr -1.951 -1.050 -0.490
0.33-1.09 Gyr -2.069 -1.164 -0.685
1.09-3.57 Gyr -1.900 -1.030 -0.713
3.57-11.78 Gyr -1.358 -0.870 -0.629
11.78-13.08 Gyr -1.465 -0.820 -0.130

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.346 10.467 10.593
{\rm log}_{10}({\rm SFR}) -0.453 0.300 0.760
{\rm log}_{10}({\rm sSFR}) -10.949 -10.196 -9.674
{\rm stellar\ age} 5.657 7.262 9.078

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.899 -0.544 -0.328
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.711 -0.250 0.318

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.181 0.329 0.534
\delta -0.879 -0.564 0.024
\tau_1/\tau_2 0.575 0.951 1.349
Q_{PAH} 0.588 1.440 3.917
U_{min} 2.629 7.431 14.518
{\rm log}_{10}(\gamma_e)\, -3.371 -2.263 -1.273

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.896 -2.636 -1.728
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.527 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.217 0.294 0.597
0.03-0.10 Gyr -1.135 0.228 0.851
0.10-0.33 Gyr -1.294 0.026 0.585
0.33-1.09 Gyr -0.971 0.067 0.482
1.09-3.57 Gyr -0.404 0.369 0.733
3.57-11.78 Gyr 0.083 0.530 0.743
11.78-13.08 Gyr -0.095 0.612 1.286