2025snu results

Information

Transient
Name:AT2025snu
Right ascension: 23h17m07.45s
Declination:0d34m48.95s
Discovery Date:July 24, 2025, 10:26 a.m.
Classification:None
Redshift:None
MW E(B-V):0.040
Host
Name:1169737
Right ascension: 23h17m07.45s
Declination:0d34m49.93s
Redshift:0.118726
Photometric Redshift:0.117
 

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
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_z
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 33.8
Transient MWEBV processed 0.04
Host match processed 4.5
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.73
Global aperture photometry processed 6.61
Validate global photometry processed 18.3
Global host SED inference processed 428.18
Local aperture photometry processed 7.61
Validate local photometry processed 0.03
Local host SED inference not enough filters 21.81
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h17m07.45s, 0d34m48.95s
semi major axis, semi minor axis (arcsec):0.93, 0.93
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 102.51 0.94 18.873 0.010 AB

Aperture details

RA, DEC (J2000):23h17m07.45s, 0d34m50.00s
semi major axis, semi minor axis (arcsec):10.23, 8.09
angle (degrees, anti-clockwise from east):-123.05
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 38.24 1.21 19.944 0.034 AB
GALEX_NUV 57.85 0.94 19.494 0.018 AB
SDSS_u 178.4 7.85 18.271 0.048 AB
SDSS_g 351.63 5.63 17.535 0.017 AB
DES_g 390.38 0.84 17.421 0.002 AB
PanSTARRS_g 402.17 1.92 17.389 0.005 AB
SDSS_r 633.34 8.09 16.896 0.014 AB
PanSTARRS_r 642.66 2.77 16.880 0.005 AB
DES_r 677.87 1.11 16.822 0.002 AB
SDSS_i 873.21 11.64 16.547 0.014 AB
PanSTARRS_i 892.25 2.15 16.524 0.003 AB
PanSTARRS_z 997.77 5.5 16.402 0.006 AB
SDSS_z 1014.22 31.99 16.385 0.034 AB
DES_z 1058.81 3.38 16.338 0.003 AB
PanSTARRS_y 1131.86 14.42 16.266 0.014 AB
2MASS_J 1297.38 186.97 15.222 0.156 Vega
2MASS_H 1564.13 276.01 14.547 0.192 Vega
2MASS_K 1703.11 301.91 13.984 0.192 Vega
WISE_W1 833.44 22.72 13.899 0.030 Vega
WISE_W2 568.6 29.64 13.674 0.057 Vega
WISE_W3 2093.15 123.32 10.424 0.064 Vega
WISE_W4 1808.7 727.02 9.137 0.436 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})\, 10.620 10.684 10.753
{\rm log}_{10}({\rm SFR}) 1.199 1.351 1.569
{\rm log}_{10}({\rm sSFR}) -9.517 -9.325 -9.084
{\rm stellar\ age} 6.328 7.130 9.141

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.453 -0.299 -0.179
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.649 -0.624 0.131

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.167 0.231 0.365
\delta -0.912 -0.721 -0.463
\tau_1/\tau_2 0.630 1.040 1.473
Q_{PAH} 0.640 1.498 2.561
U_{min} 2.262 7.052 14.567
{\rm log}_{10}(\gamma_e)\, -2.850 -2.068 -1.368

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.960 -2.768 -1.966
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.420 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.533 0.700 0.856
0.03-0.10 Gyr 1.322 1.489 1.710
0.10-0.32 Gyr -0.990 0.148 0.598
0.32-1.05 Gyr -1.163 0.007 0.400
1.05-3.40 Gyr -0.292 0.380 0.724
3.40-11.00 Gyr 0.433 0.818 0.938
11.00-12.23 Gyr 0.431 1.021 1.654