2025ctu results

Information

Transient
Name:AT2025ctu
Right ascension: 18h52m10.45s
Declination:37d22m23.06s
Discovery Date:Feb. 23, 2025, 12:19 p.m.
Classification:None
Redshift:None
MW E(B-V):0.069
Host
Name:2025ctu
Right ascension: 18h52m10.40s
Declination:37d22m22.63s
Redshift:None
Photometric Redshift:0.078
 

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
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.58
Transient MWEBV processed 0.05
Host match processed 3.78
Host information processed 0.1
Host MWEBV processed 0.26
Global aperture construction processed 0.63
Global aperture photometry processed 6.88
Validate global photometry processed 11.03
Global host SED inference processed 424.43
Local aperture photometry processed 3.95
Validate local photometry processed 0.02
Local host SED inference processed 452.93
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h52m10.45s, 37d22m23.06s
semi major axis, semi minor axis (arcsec):1.36, 1.36
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 67.95 0.8 19.320 0.013 AB
PanSTARRS_g 63.63 0.35 19.391 0.006 AB
PanSTARRS_r 122.11 0.5 18.683 0.004 AB
PanSTARRS_i 170.78 0.38 18.319 0.002 AB
PanSTARRS_z 202.19 1.06 18.136 0.006 AB
PanSTARRS_y 231.99 2.61 17.986 0.012 AB

Aperture details

RA, DEC (J2000):18h52m10.39s, 37d22m22.74s
semi major axis, semi minor axis (arcsec):5.26, 5.19
angle (degrees, anti-clockwise from east):-154.32
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 174.87 1.32 18.293 0.008 AB
PanSTARRS_g 184.22 1.25 18.237 0.007 AB
PanSTARRS_r 295.72 1.69 17.723 0.006 AB
PanSTARRS_i 408.78 1.3 17.371 0.003 AB
PanSTARRS_z 460.9 3.74 17.241 0.009 AB
PanSTARRS_y 519.74 9.39 17.111 0.020 AB
2MASS_J 456.5 166.62 16.357 0.396 Vega
2MASS_H 647.26 246.54 15.505 0.414 Vega
2MASS_K 804.87 286.32 14.798 0.386 Vega
WISE_W1 430.66 25.01 14.616 0.063 Vega
WISE_W2 243.41 35.39 14.595 0.158 Vega
WISE_W3 1093.37 88.16 11.129 0.088 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.645 9.772 9.890
{\rm log}_{10}({\rm SFR}) -2.034 -0.906 -0.221
{\rm log}_{10}({\rm sSFR}) -11.909 -10.701 -9.976
{\rm stellar\ age} 5.684 7.325 9.342

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.524 -1.022 -0.609
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.664 -0.674 0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.197 0.493 0.838
\delta -0.703 -0.270 0.185
\tau_1/\tau_2 0.696 1.056 1.425
Q_{PAH} 0.991 2.982 5.207
U_{min} 2.767 7.907 15.016
{\rm log}_{10}(\gamma_e)\, -3.186 -2.129 -0.715

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.765 -1.022 -0.271
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.541 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.252 -1.178 -0.704
0.03-0.10 Gyr -2.326 -0.905 -0.098
0.10-0.33 Gyr -2.147 -0.766 -0.089
0.33-1.07 Gyr -1.950 -0.738 -0.158
1.07-3.50 Gyr -1.492 -0.405 -0.047
3.50-11.46 Gyr -0.684 -0.145 0.049
11.46-12.73 Gyr -0.727 -0.012 0.688

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.846 9.987 10.093
{\rm log}_{10}({\rm SFR}) -0.751 -0.215 0.289
{\rm log}_{10}({\rm sSFR}) -10.753 -10.228 -9.692
{\rm stellar\ age} 3.508 5.939 7.223

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.018 -0.660 -0.386
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.733 -0.744 0.185

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.241 0.398 0.588
\delta -0.572 -0.013 0.291
\tau_1/\tau_2 0.652 0.998 1.354
Q_{PAH} 1.588 3.348 5.514
U_{min} 2.396 7.023 14.181
{\rm log}_{10}(\gamma_e)\, -3.215 -2.021 -1.139

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.976 -2.642 -1.720
{\rm log}_{10}(\tau_{AGN})\, 0.922 1.342 1.822

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.644 -0.315 -0.064
0.03-0.10 Gyr -0.930 -0.205 0.402
0.10-0.33 Gyr -0.831 -0.023 0.361
0.33-1.07 Gyr -0.425 0.114 0.450
1.07-3.50 Gyr -0.171 0.185 0.437
3.50-11.46 Gyr -0.576 0.014 0.230
11.46-12.73 Gyr -0.970 -0.034 0.458