2025sjn results

Information

Transient
Name:AT2025sjn
Right ascension: 10h56m18.40s
Declination:8d26m25.62s
Discovery Date:March 24, 2025, 7:13 a.m.
Classification:None
Redshift:None
MW E(B-V):0.027
Host
Name:
Right ascension: 10h56m18.37s
Declination:8d26m26.39s
Redshift:None
Photometric Redshift:0.105
 

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 34.69
Transient MWEBV processed 0.04
Host match processed 5.96
Host information processed 0.13
Host MWEBV processed 0.05
Global aperture construction processed 0.66
Global aperture photometry processed 5.86
Validate global photometry processed 15.48
Global host SED inference processed 405.33
Local aperture photometry processed 6.51
Validate local photometry processed 0.03
Local host SED inference processed 545.13
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

RA, DEC (J2000):10h56m18.40s, 8d26m25.62s
semi major axis, semi minor axis (arcsec):1.04, 1.04
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 45.42 1.41 19.757 0.034 AB
PanSTARRS_y 42.44 1.98 19.831 0.051 AB

Aperture details

RA, DEC (J2000):10h56m18.36s, 8d26m26.54s
semi major axis, semi minor axis (arcsec):8.25, 6.0
angle (degrees, anti-clockwise from east):-171.99
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 19.54 4.56 20.673 0.253 AB
GALEX_NUV 25.58 0.71 20.380 0.030 AB
SDSS_u 53.3 6.14 19.583 0.125 AB
SDSS_g 138.4 4.26 18.547 0.033 AB
DES_g 149.52 0.85 18.463 0.006 AB
PanSTARRS_g 145.75 1.66 18.491 0.012 AB
SDSS_r 235.49 5.92 17.970 0.027 AB
PanSTARRS_r 230.49 1.94 17.993 0.009 AB
DES_r 247.31 1.76 17.917 0.008 AB
SDSS_i 285.43 8.65 17.761 0.033 AB
PanSTARRS_i 291.43 1.96 17.739 0.007 AB
PanSTARRS_z 330.72 4.15 17.601 0.014 AB
SDSS_z 410.93 24.88 17.366 0.066 AB
DES_z 353.37 4.56 17.529 0.014 AB
PanSTARRS_y 334.1 13.17 17.590 0.043 AB
WISE_W1 217.85 12.22 15.356 0.061 Vega
WISE_W2 133.64 19.51 15.246 0.158 Vega
WISE_W3 523.86 92.52 11.928 0.192 Vega
WISE_W4 242.31 526.84 11.319 2.361 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.691 9.071 9.390
{\rm log}_{10}({\rm SFR}) -0.843 -0.268 0.220
{\rm log}_{10}({\rm sSFR}) -10.038 -9.450 -8.659
{\rm stellar\ age} 1.025 5.203 7.748

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.504 -0.434 0.106
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.101 -0.561 0.181

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.326 0.634 1.129
\delta -0.742 -0.274 0.152
\tau_1/\tau_2 0.448 0.874 1.378
Q_{PAH} 0.494 1.643 4.209
U_{min} 3.140 8.503 15.823
{\rm log}_{10}(\gamma_e)\, -3.223 -2.187 -0.799

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.411 -0.982 -0.231
{\rm log}_{10}(\tau_{AGN})\, 1.078 1.468 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.583 -0.141 0.297
0.03-0.10 Gyr -1.774 -0.617 0.191
0.10-0.32 Gyr -2.578 -1.027 -0.151
0.32-1.06 Gyr -2.824 -1.026 -0.216
1.06-3.43 Gyr -3.036 -1.201 -0.613
3.43-11.16 Gyr -2.992 -1.126 -0.510
11.16-12.40 Gyr -3.009 -1.070 -0.151

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.038 10.115 10.212
{\rm log}_{10}({\rm SFR}) -0.214 0.200 0.456
{\rm log}_{10}({\rm sSFR}) -10.360 -9.907 -9.653
{\rm stellar\ age} 5.994 6.924 8.722

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.315 -0.976 -0.717
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.702 -0.844 0.145

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.126 0.227 0.353
\delta -0.248 0.092 0.293
\tau_1/\tau_2 0.586 0.968 1.345
Q_{PAH} 1.256 2.695 4.714
U_{min} 2.872 8.548 16.014
{\rm log}_{10}(\gamma_e)\, -2.152 -1.139 -0.387

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.682 -2.194 -1.289
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.546 1.917

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.402 -1.008 -0.574
0.03-0.10 Gyr -0.097 0.352 0.615
0.10-0.32 Gyr -0.201 0.271 0.525
0.32-1.06 Gyr -0.763 -0.048 0.202
1.06-3.43 Gyr -0.591 0.043 0.287
3.43-11.16 Gyr -0.098 0.225 0.373
11.16-12.40 Gyr -0.156 0.383 1.026