2025sam results

Information

Transient
Name:AT2025sam
Right ascension: 2h41m04.47s
Declination:-25d03m10.88s
Discovery Date:July 24, 2025, 4:42 p.m.
Classification:None
Redshift:None
MW E(B-V):0.020
Host
Name:
Right ascension: 2h41m04.09s
Declination:-25d03m15.81s
Redshift:None
Photometric Redshift:0.123
 

Cutout Download Report

Downloaded Unavailable
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
DES_g
DES_r
DES_z
 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 15.28
Transient MWEBV processed 0.05
Host match processed 7.56
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 5.41
Validate global photometry processed 15.09
Global host SED inference processed 389.73
Local aperture photometry processed 6.02
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):2h41m04.06s, -25d03m15.58s
semi major axis, semi minor axis (arcsec):10.5, 7.61
angle (degrees, anti-clockwise from east):-128.66
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.44 3.39 20.624 0.180 AB
GALEX_NUV 40.07 2.9 19.893 0.079 AB
DES_g 324.97 0.66 17.620 0.002 AB
PanSTARRS_g 345.77 2.05 17.553 0.006 AB
PanSTARRS_r 611.45 3.37 16.934 0.006 AB
DES_r 617.87 1.04 16.923 0.002 AB
PanSTARRS_i 786.14 3.18 16.661 0.004 AB
PanSTARRS_z 950.76 6.19 16.455 0.007 AB
DES_z 991.26 3.76 16.410 0.004 AB
PanSTARRS_y 1258.53 13.94 16.150 0.012 AB
2MASS_J 1654.33 239.19 14.959 0.157 Vega
2MASS_H 1769.0 394.99 14.413 0.242 Vega
2MASS_K 1547.49 429.53 14.088 0.301 Vega
WISE_W1 892.9 16.89 13.824 0.021 Vega
WISE_W3 1216.58 76.67 11.013 0.068 Vega
WISE_W4 620.18 426.61 10.299 0.747 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})\, 10.788 10.829 10.870
{\rm log}_{10}({\rm SFR}) 0.485 0.679 0.873
{\rm log}_{10}({\rm sSFR}) -10.362 -10.168 -9.954
{\rm stellar\ age} 6.367 6.978 8.031

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.120 0.002 0.100
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.889 -0.471 -0.196

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.135 0.182 0.271
\delta -0.887 -0.654 -0.328
\tau_1/\tau_2 0.872 1.183 1.484
Q_{PAH} 0.399 1.356 3.011
U_{min} 2.421 6.930 12.820
{\rm log}_{10}(\gamma_e)\, -3.118 -2.021 -1.397

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.406 -3.442 -2.102
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.487 1.882

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.374 0.530 0.658
0.03-0.10 Gyr 0.485 0.741 0.971
0.10-0.32 Gyr 0.576 0.762 0.937
0.32-1.05 Gyr 0.379 0.626 0.809
1.05-3.39 Gyr 0.425 0.709 0.902
3.39-10.96 Gyr 0.848 0.998 1.081
10.96-12.18 Gyr 0.670 1.122 1.545