2025sye

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Information

Transient

Name: AT2025sye
Right ascension: 1h50m34.65s
Declination: -18d04m31.87s
Discovery Date: July 29, 2025, 7:27 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name: 873114
Right ascension: 1h50m34.73s
Declination: -18d04m32.40s
Redshift: 0.074800
Photometric Redshift:
 

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 5.21
Cutout download processed 31.29
Global aperture construction processed 0.72
Local aperture photometry processed 7.07
Global aperture photometry processed 6.42
Validate local photometry processed 0.03
Validate global photometry processed 17.27
Host information processed 0.15
Global host SED inference processed 482.84
Local host SED inference processed 481.4
Transient information processed 0.0
Transient MWEBV processed 0.11
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) = 1h50m34.65s, -18d04m31.87s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
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 108.51 0.3 18.811 0.003 AB
PanSTARRS_g 123.24 0.42 18.673 0.004 AB
SDSS_r 202.52 3.75 18.134 0.020 AB
PanSTARRS_r 251.58 0.61 17.898 0.003 AB
DES_r 235.87 0.61 17.968 0.003 AB
SDSS_i 299.21 4.62 17.710 0.017 AB
PanSTARRS_i 335.36 0.67 17.586 0.002 AB
PanSTARRS_z 462.53 1.05 17.237 0.002 AB
SDSS_z 383.66 6.21 17.440 0.018 AB
DES_z 441.53 2.35 17.288 0.006 AB
PanSTARRS_y 514.43 2.16 17.122 0.005 AB

Aperture details

RA, DEC (J2000) = 1h50m34.70s, -18d04m31.99s
semi major axis, semi minor axis (arcsec) = 7.43, 6.47
angle (degrees, anti-clockwise from east) = -162.56

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 75.95 5.47 19.199 0.078 AB
SDSS_g 418.37 5.66 17.346 0.015 AB
DES_g 440.01 0.67 17.291 0.002 AB
PanSTARRS_g 443.64 1.74 17.282 0.004 AB
SDSS_r 870.67 8.31 16.550 0.010 AB
PanSTARRS_r 876.57 2.39 16.543 0.003 AB
DES_r 964.24 1.28 16.440 0.001 AB
SDSS_i 1256.54 10.65 16.152 0.009 AB
PanSTARRS_i 1198.42 2.87 16.203 0.003 AB
PanSTARRS_z 1532.29 4.54 15.937 0.003 AB
SDSS_z 1669.24 20.54 15.844 0.013 AB
DES_z 1642.04 4.71 15.862 0.003 AB
PanSTARRS_y 1821.45 10.29 15.749 0.006 AB
2MASS_J 2256.68 151.86 14.621 0.073 Vega
2MASS_H 2687.0 242.16 13.959 0.098 Vega
2MASS_K 2642.52 263.65 13.507 0.108 Vega
WISE_W1 1041.44 19.34 13.657 0.020 Vega
WISE_W2 585.91 22.04 13.641 0.041 Vega
WISE_W3 312.77 74.55 12.488 0.259 Vega
WISE_W4 -118.55 370.21 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})\, 10.075 10.163 10.257
{\rm log}_{10}({\rm SFR}) -2.109 -0.990 -0.293
{\rm log}_{10}({\rm sSFR}) -12.294 -11.187 -10.443
{\rm stellar\ age} 6.699 7.836 10.513

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.026 -0.527 -0.256
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.356 -0.796 -0.229

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.280 0.627 1.003
\delta -0.539 -0.128 0.252
\tau_1/\tau_2 0.588 0.959 1.327
Q_{PAH} 0.949 3.422 5.786
U_{min} 2.988 8.302 15.657
{\rm log}_{10}(\gamma_e)\, -3.153 -2.003 -0.576

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.508 -1.242 -0.552
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.502 1.986

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.408 -1.281 -0.761
0.03-0.10 Gyr -2.390 -0.959 -0.178
0.10-0.33 Gyr -2.130 -0.797 -0.040
0.33-1.07 Gyr -2.052 -0.699 -0.045
1.07-3.51 Gyr -1.649 -0.287 0.223
3.51-11.49 Gyr -0.240 0.269 0.443
11.49-12.77 Gyr -0.188 0.521 1.223

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.586 10.641 10.753
{\rm log}_{10}({\rm SFR}) -4.047 -1.813 -0.826
{\rm log}_{10}({\rm sSFR}) -14.882 -12.465 -11.418
{\rm stellar\ age} 7.276 8.078 11.801

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.785 -0.634 -0.528
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.521 -0.664 0.140

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.229 0.373
\delta -0.884 -0.641 -0.323
\tau_1/\tau_2 0.585 0.979 1.397
Q_{PAH} 0.508 1.754 4.165
U_{min} 2.853 9.170 16.963
{\rm log}_{10}(\gamma_e)\, -2.513 -1.478 -0.546

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.423 -3.477 -2.464
{\rm log}_{10}(\tau_{AGN})\, 1.039 1.534 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.003 -2.027 -1.045
0.03-0.10 Gyr -4.999 -1.933 -0.755
0.10-0.33 Gyr -4.736 -1.792 -0.441
0.33-1.07 Gyr -3.873 -1.467 -0.216
1.07-3.51 Gyr -2.587 -0.478 0.502
3.51-11.49 Gyr -0.432 0.790 0.939
11.49-12.77 Gyr -0.098 0.998 1.877