2025che results

Information

Transient
Name:AT2025che
Right ascension: 15h46m08.79s
Declination:50d52m39.95s
Discovery Date:Feb. 17, 2025, 2:53 p.m.
Classification:None
Redshift:None
MW E(B-V):0.014
Host
Name:2025che
Right ascension: 15h46m08.80s
Declination:50d52m40.21s
Redshift:0.083829
Photometric Redshift:0.103
 

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_z
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 15.47
Transient MWEBV processed 0.1
Host match processed 2.69
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.56
Global aperture photometry processed 5.2
Validate global photometry processed 15.2
Global host SED inference processed 391.79
Local aperture photometry processed 5.05
Validate local photometry processed 0.03
Local host SED inference processed 423.36
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h46m08.79s, 50d52m39.95s
semi major axis, semi minor axis (arcsec):1.27, 1.27
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 118.19 0.73 18.719 0.007 AB
PanSTARRS_r 197.29 0.45 18.162 0.002 AB
SDSS_i 302.74 4.6 17.697 0.016 AB
PanSTARRS_i 276.93 0.47 17.794 0.002 AB
PanSTARRS_z 326.77 1.0 17.614 0.003 AB
DES_z 379.87 3.55 17.451 0.010 AB
PanSTARRS_y 376.46 1.9 17.461 0.005 AB

Aperture details

RA, DEC (J2000):15h46m08.79s, 50d52m40.34s
semi major axis, semi minor axis (arcsec):6.39, 4.79
angle (degrees, anti-clockwise from east):-54.19
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 42.55 5.21 19.828 0.133 AB
GALEX_NUV 63.56 3.85 19.392 0.066 AB
SDSS_u 118.7 4.63 18.714 0.042 AB
SDSS_g 352.62 5.07 17.532 0.016 AB
DES_g 361.23 1.29 17.506 0.004 AB
PanSTARRS_g 373.55 1.32 17.469 0.004 AB
SDSS_r 591.27 6.63 16.971 0.012 AB
PanSTARRS_r 590.71 1.68 16.972 0.003 AB
SDSS_i 817.88 8.29 16.618 0.011 AB
PanSTARRS_i 799.31 1.75 16.643 0.002 AB
PanSTARRS_z 902.0 3.87 16.512 0.005 AB
SDSS_z 1002.63 15.4 16.397 0.017 AB
DES_z 974.72 5.84 16.428 0.006 AB
PanSTARRS_y 983.37 7.69 16.418 0.008 AB
2MASS_J 1656.3 146.74 14.957 0.096 Vega
2MASS_H 1927.32 229.25 14.320 0.129 Vega
2MASS_K 1605.41 280.53 14.048 0.190 Vega
WISE_W1 847.9 19.9 13.880 0.025 Vega
WISE_W2 559.58 21.3 13.691 0.041 Vega
WISE_W3 2524.0 54.44 10.221 0.023 Vega
WISE_W4 3161.24 401.56 8.530 0.138 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.795 9.949 10.081
{\rm log}_{10}({\rm SFR}) -0.787 -0.217 0.371
{\rm log}_{10}({\rm sSFR}) -10.757 -10.181 -9.524
{\rm stellar\ age} 3.381 6.075 7.602

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.202 -0.618 -0.267
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.656 -0.686 0.142

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.347 0.675 1.103
\delta -0.703 -0.263 0.192
\tau_1/\tau_2 0.656 0.990 1.367
Q_{PAH} 0.986 2.564 4.892
U_{min} 2.821 7.621 14.454
{\rm log}_{10}(\gamma_e)\, -3.216 -2.097 -0.943

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.063 -1.956 -0.939
{\rm log}_{10}(\tau_{AGN})\, 0.870 1.344 1.826

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.756 -0.371 -0.076
0.03-0.10 Gyr -0.999 -0.186 0.492
0.10-0.33 Gyr -0.945 -0.088 0.432
0.33-1.07 Gyr -0.660 0.063 0.497
1.07-3.49 Gyr -0.638 0.048 0.313
3.49-11.39 Gyr -0.711 -0.031 0.195
11.39-12.65 Gyr -0.815 -0.009 0.555

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.358 10.418 10.494
{\rm log}_{10}({\rm SFR}) 0.320 0.535 0.761
{\rm log}_{10}({\rm sSFR}) -10.097 -9.884 -9.674
{\rm stellar\ age} 6.119 6.905 7.870

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.961 -0.621 -0.385
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.824 -0.786 0.219

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.343 0.514 0.711
\delta 0.082 0.229 0.337
\tau_1/\tau_2 0.763 1.086 1.424
Q_{PAH} 1.289 2.410 4.042
U_{min} 2.515 7.250 13.829
{\rm log}_{10}(\gamma_e)\, -3.094 -2.274 -1.622

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.689 -2.345 -1.683
{\rm log}_{10}(\tau_{AGN})\, 0.962 1.394 1.872

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.071 0.237 0.377
0.03-0.10 Gyr 0.360 0.628 0.883
0.10-0.33 Gyr 0.216 0.491 0.727
0.33-1.07 Gyr -0.057 0.252 0.458
1.07-3.49 Gyr 0.086 0.401 0.608
3.49-11.39 Gyr 0.378 0.556 0.680
11.39-12.65 Gyr 0.150 0.613 1.046