2025syi

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Information

Transient

Name: AT2025syi
Right ascension: 22h43m52.69s
Declination: 33d37m05.58s
Discovery Date: Aug. 2, 2025, 7:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.070

Host

Name:
Right ascension: 22h43m53.00s
Declination: 33d37m06.98s
Redshift: 0.079029
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 8.04
Cutout download processed 28.83
Global aperture construction processed 0.66
Local aperture photometry processed 6.59
Global aperture photometry processed 6.17
Validate local photometry processed 0.03
Validate global photometry processed 18.12
Host information processed 0.14
Global host SED inference processed 373.74
Local host SED inference processed 433.15
Transient information processed 0.0
Transient MWEBV processed 0.12
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) = 22h43m52.69s, 33d37m05.58s
semi major axis, semi minor axis (arcsec) = 1.34, 1.34
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 18.08 0.37 20.757 0.022 AB
PanSTARRS_g 16.9 0.3 20.831 0.019 AB
SDSS_r 33.96 1.61 20.073 0.051 AB
PanSTARRS_r 35.85 0.37 20.014 0.011 AB
DES_r 39.6 0.61 19.906 0.017 AB
SDSS_i 52.56 2.07 19.598 0.043 AB
PanSTARRS_i 54.89 0.41 19.551 0.008 AB
PanSTARRS_z 67.65 1.02 19.324 0.016 AB
SDSS_z 61.36 4.04 19.430 0.071 AB
DES_z 73.49 2.07 19.234 0.031 AB
PanSTARRS_y 76.12 2.55 19.196 0.036 AB

Aperture details

RA, DEC (J2000) = 22h43m52.99s, 33d37m07.12s
semi major axis, semi minor axis (arcsec) = 11.04, 4.63
angle (degrees, anti-clockwise from east) = -105.77

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.73 2.9 20.979 0.214 AB
GALEX_NUV 9.47 1.79 21.459 0.206 AB
SDSS_u 67.07 6.02 19.334 0.097 AB
SDSS_g 255.11 4.47 17.883 0.019 AB
DES_g 284.61 1.52 17.764 0.006 AB
PanSTARRS_g 272.39 1.57 17.812 0.006 AB
SDSS_r 570.36 6.86 17.010 0.013 AB
PanSTARRS_r 586.13 1.95 16.980 0.004 AB
DES_r 659.98 2.53 16.851 0.004 AB
SDSS_i 903.45 9.08 16.510 0.011 AB
PanSTARRS_i 903.14 2.14 16.511 0.003 AB
PanSTARRS_z 1167.72 5.4 16.232 0.005 AB
SDSS_z 1229.22 20.85 16.176 0.018 AB
DES_z 1277.42 8.77 16.134 0.007 AB
PanSTARRS_y 1420.47 13.45 16.019 0.010 AB
2MASS_J 2259.59 145.29 14.620 0.070 Vega
2MASS_H 2413.72 167.52 14.076 0.075 Vega
2MASS_K 2213.54 298.43 13.699 0.146 Vega
WISE_W1 1195.97 22.61 13.507 0.021 Vega
WISE_W2 788.21 26.89 13.319 0.037 Vega
WISE_W3 2517.43 87.46 10.224 0.038 Vega
WISE_W4 3468.08 636.89 8.430 0.199 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})\, 9.299 9.400 9.506
{\rm log}_{10}({\rm SFR}) -1.910 -1.364 -0.779
{\rm log}_{10}({\rm sSFR}) -11.346 -10.778 -10.163
{\rm stellar\ age} 5.926 7.229 8.507

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.478 -0.900 -0.379
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.698 -0.711 0.198

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.418 0.780 1.112
\delta -0.407 -0.090 0.186
\tau_1/\tau_2 0.694 1.031 1.363
Q_{PAH} 0.875 2.562 5.032
U_{min} 2.810 7.477 14.021
{\rm log}_{10}(\gamma_e)\, -2.948 -1.887 -0.671

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.971 -0.682 -0.177
{\rm log}_{10}(\tau_{AGN})\, 1.049 1.443 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.952 -1.367 -0.887
0.03-0.10 Gyr -2.116 -1.426 -0.733
0.10-0.33 Gyr -2.122 -1.327 -0.719
0.33-1.07 Gyr -1.979 -1.122 -0.580
1.07-3.50 Gyr -1.419 -0.665 -0.383
3.50-11.44 Gyr -0.741 -0.463 -0.302
11.44-12.71 Gyr -0.958 -0.439 0.123

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.670 10.711 10.789
{\rm log}_{10}({\rm SFR}) -0.698 -0.435 -0.179
{\rm log}_{10}({\rm sSFR}) -11.425 -11.140 -10.883
{\rm stellar\ age} 7.727 8.824 11.586

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.483 -0.308 -0.163
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.857 0.252 0.431

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.217 0.318 0.443
\delta -0.104 0.145 0.293
\tau_1/\tau_2 0.561 0.931 1.337
Q_{PAH} 1.790 3.789 5.558
U_{min} 2.356 7.673 15.146
{\rm log}_{10}(\gamma_e)\, -2.362 -1.200 -0.491

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.436 -2.137 -1.368
{\rm log}_{10}(\tau_{AGN})\, 1.220 1.686 1.984

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.394 -0.193 -0.032
0.03-0.10 Gyr -1.530 -0.646 -0.192
0.10-0.33 Gyr -1.979 -0.881 -0.368
0.33-1.07 Gyr -1.907 -0.927 -0.414
1.07-3.50 Gyr -1.543 -0.460 0.140
3.50-11.44 Gyr -0.066 0.845 0.968
11.44-12.71 Gyr 0.774 1.342 1.897