2025sai results

Information

Transient
Name:AT2025sai
Right ascension: 3h45m07.26s
Declination:-23d04m25.84s
Discovery Date:July 24, 2025, 6:06 p.m.
Classification:None
Redshift:None
MW E(B-V):0.016
Host
Name:
Right ascension: 3h45m06.82s
Declination:-23d04m28.43s
Redshift:None
Photometric Redshift:0.158
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
DES_g
DES_r
DES_z
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 25.98
Transient MWEBV processed 0.11
Host match processed 7.44
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 5.28
Validate global photometry processed 12.97
Global host SED inference processed 432.41
Local aperture photometry processed 5.83
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):3h45m06.79s, -23d04m28.23s
semi major axis, semi minor axis (arcsec):9.58, 7.06
angle (degrees, anti-clockwise from east):-11.78
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 213.89 0.55 18.075 0.003 AB
PanSTARRS_g 209.97 1.84 18.095 0.009 AB
PanSTARRS_r 367.25 2.79 17.488 0.008 AB
DES_r 404.18 0.86 17.384 0.002 AB
PanSTARRS_i 519.01 3.99 17.112 0.008 AB
PanSTARRS_z 611.65 5.46 16.934 0.010 AB
DES_z 643.9 3.25 16.878 0.005 AB
PanSTARRS_y 769.72 13.55 16.684 0.019 AB
2MASS_J 822.73 209.24 15.717 0.276 Vega
2MASS_H 1219.35 294.53 14.817 0.262 Vega
2MASS_K 1257.03 378.44 14.314 0.327 Vega
WISE_W1 447.2 14.15 14.575 0.034 Vega
WISE_W2 312.2 19.0 14.325 0.066 Vega
WISE_W3 431.18 90.82 12.139 0.229 Vega
WISE_W4 140.58 479.09 11.910 3.700 Vega
 

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})\, 10.548 10.660 10.757
{\rm log}_{10}({\rm SFR}) -0.846 -0.087 0.780
{\rm log}_{10}({\rm sSFR}) -11.537 -10.774 -9.888
{\rm stellar\ age} 2.723 4.880 6.388

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.858 -0.547 -0.364
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.937 0.060 0.369

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.135 0.280 0.504
\delta -0.878 -0.644 -0.268
\tau_1/\tau_2 0.588 0.957 1.329
Q_{PAH} 0.452 1.422 3.382
U_{min} 2.317 7.161 14.459
{\rm log}_{10}(\gamma_e)\, -3.144 -2.225 -1.185

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.313 -3.162 -2.019
{\rm log}_{10}(\tau_{AGN})\, 1.106 1.575 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.374 -0.225 0.216
0.03-0.10 Gyr -1.252 -0.120 0.903
0.10-0.32 Gyr -0.833 0.502 1.292
0.32-1.03 Gyr 0.279 0.937 1.253
1.03-3.30 Gyr 0.474 0.944 1.256
3.30-10.60 Gyr -0.213 0.648 0.918
10.60-11.77 Gyr -0.574 0.514 1.091