2025syy

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Information

Transient

Name: AT2025syy
Right ascension: 23h47m51.46s
Declination: -26d04m59.35s
Discovery Date: July 29, 2025, 10:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name: 771771
Right ascension: 23h47m51.47s
Declination: -26d04m58.98s
Redshift: 0.071900
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 3.99
Cutout download processed 35.14
Global aperture construction processed 0.66
Local aperture photometry processed 3.97
Global aperture photometry processed 3.63
Validate local photometry processed 0.02
Validate global photometry processed 10.39
Host information processed 0.19
Global host SED inference processed 434.19
Local host SED inference processed 430.45
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) = 23h47m51.46s, -26d04m59.35s
semi major axis, semi minor axis (arcsec) = 1.46, 1.46
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 119.14 0.45 18.710 0.004 AB
PanSTARRS_r 222.99 0.56 18.029 0.003 AB
PanSTARRS_i 354.71 0.67 17.525 0.002 AB
PanSTARRS_z 448.85 1.36 17.270 0.003 AB
PanSTARRS_y 558.23 2.98 17.033 0.006 AB

Aperture details

RA, DEC (J2000) = 23h47m51.44s, -26d04m58.64s
semi major axis, semi minor axis (arcsec) = 10.66, 4.81
angle (degrees, anti-clockwise from east) = -180.37

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 40.96 4.66 19.869 0.124 AB
GALEX_NUV 58.89 3.31 19.475 0.061 AB
PanSTARRS_g 505.14 1.94 17.141 0.004 AB
PanSTARRS_r 836.58 2.27 16.594 0.003 AB
PanSTARRS_z 1400.91 6.11 16.034 0.005 AB
PanSTARRS_y 1744.85 14.29 15.796 0.009 AB
2MASS_J 2274.93 204.64 14.613 0.098 Vega
2MASS_H 2192.41 341.86 14.180 0.169 Vega
2MASS_K 2891.92 347.9 13.409 0.131 Vega
WISE_W1 1181.67 22.41 13.520 0.021 Vega
WISE_W2 871.77 28.19 13.210 0.035 Vega
WISE_W3 2720.51 109.07 10.139 0.044 Vega
WISE_W4 5589.6 833.64 7.912 0.162 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})\, 10.016 10.134 10.234
{\rm log}_{10}({\rm SFR}) -0.618 -0.051 0.461
{\rm log}_{10}({\rm sSFR}) -10.764 -10.215 -9.634
{\rm stellar\ age} 4.744 7.172 9.113

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.173 -0.422 -0.054
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.332 -0.284 0.223

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.393 1.022 1.592
\delta -0.628 -0.201 0.060
\tau_1/\tau_2 0.615 0.995 1.364
Q_{PAH} 0.352 1.797 4.284
U_{min} 2.780 7.682 14.597
{\rm log}_{10}(\gamma_e)\, -3.288 -2.172 -1.078

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.652 -1.230 -0.124
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.516 1.989

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.588 -0.167 0.236
0.03-0.10 Gyr -0.850 -0.070 0.541
0.10-0.33 Gyr -1.078 -0.224 0.492
0.33-1.07 Gyr -1.164 -0.151 0.415
1.07-3.52 Gyr -1.055 -0.021 0.367
3.52-11.52 Gyr -0.347 0.203 0.391
11.52-12.80 Gyr -0.386 0.338 0.974

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.514 10.551 10.616
{\rm log}_{10}({\rm SFR}) 0.028 0.317 0.628
{\rm log}_{10}({\rm sSFR}) -10.535 -10.236 -9.912
{\rm stellar\ age} 7.269 8.013 10.300

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.269 -0.089 0.037
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.867 0.048 0.319

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.164 0.270
\delta -0.775 -0.440 -0.094
\tau_1/\tau_2 0.743 1.141 1.531
Q_{PAH} 0.810 2.130 4.176
U_{min} 2.315 6.960 13.967
{\rm log}_{10}(\gamma_e)\, -2.659 -1.572 -0.725

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.098 -1.471 -1.123
{\rm log}_{10}(\tau_{AGN})\, 1.317 1.696 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.513 -0.087 0.180
0.03-0.10 Gyr 0.034 0.427 0.769
0.10-0.33 Gyr -0.253 0.178 0.478
0.33-1.07 Gyr -0.574 -0.072 0.204
1.07-3.52 Gyr -0.583 0.047 0.410
3.52-11.52 Gyr 0.371 0.698 0.795
11.52-12.80 Gyr 0.469 0.979 1.567