2026ctt results

Information

Transient
Name:AT2026ctt
Right ascension: 10h00m10.37s
Declination:2d09m22.22s
Discovery Date:Jan. 28, 2026, 7:18 a.m.
Classification:None
Redshift:None
MW E(B-V):0.016
Host
Name:PGC028923
Right ascension: 10h00m10.32s
Declination:2d09m21.53s
Redshift:None
Photometric Redshift:0.006
 

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: completed

Task Name Status Time (s)
Cutout download processed 18.94
Transient MWEBV processed 0.04
Host match processed 4.19
Host information processed 0.11
Host MWEBV processed 0.11
Global aperture construction processed 1.36
Global aperture photometry processed 7.06
Validate global photometry processed 19.31
Global host SED inference processed 400.39
Local aperture photometry processed 6.8
Validate local photometry processed 0.03
Local host SED inference processed 409.94
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):10h00m10.37s, 2d09m22.22s
semi major axis, semi minor axis (arcsec):15.21, 15.21
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.61 0.18 21.238 0.017 AB
GALEX_NUV 74.43 0.24 19.221 0.004 AB
SDSS_u 1198.25 16.22 16.204 0.015 AB
SDSS_g 5507.96 19.9 14.548 0.004 AB
DES_g 5777.95 3.91 14.496 0.001 AB
PanSTARRS_g 5934.4 2.67 14.467 0.000 AB
SDSS_r 10629.06 28.0 13.834 0.003 AB
PanSTARRS_r 10764.15 3.1 13.820 0.000 AB
DES_r 11331.6 8.32 13.764 0.001 AB
SDSS_i 14995.04 34.65 13.460 0.003 AB
PanSTARRS_i 14715.88 5.43 13.481 0.000 AB
PanSTARRS_z 17570.18 9.25 13.288 0.001 AB
SDSS_z 18484.06 76.77 13.233 0.005 AB
DES_z 18063.87 61.56 13.258 0.004 AB
PanSTARRS_y 20534.39 24.52 13.119 0.001 AB
2MASS_J 23163.16 362.42 12.093 0.017 Vega
2MASS_H 27088.71 493.5 11.450 0.020 Vega
2MASS_K 21383.28 681.63 11.237 0.035 Vega
WISE_W1 9426.23 64.84 11.265 0.007 Vega
WISE_W2 5096.6 65.63 11.293 0.014 Vega
WISE_W3 780.08 168.07 11.496 0.234 Vega
WISE_W4 -939.0 653.99 Vega

Aperture details

RA, DEC (J2000):10h00m10.37s, 2d09m21.67s
semi major axis, semi minor axis (arcsec):18.52, 15.4
angle (degrees, anti-clockwise from east):-69.29
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.32 0.2 21.173 0.017 AB
GALEX_NUV 83.96 0.27 19.090 0.003 AB
SDSS_u 1239.62 17.63 16.167 0.015 AB
SDSS_g 5750.26 20.45 14.501 0.004 AB
DES_g 6057.32 4.03 14.444 0.001 AB
PanSTARRS_g 6252.15 2.92 14.410 0.001 AB
SDSS_r 11066.2 28.8 13.790 0.003 AB
PanSTARRS_r 11332.1 3.37 13.764 0.000 AB
DES_r 11805.43 8.54 13.720 0.001 AB
SDSS_i 15647.51 35.9 13.414 0.002 AB
PanSTARRS_i 15383.89 5.96 13.432 0.000 AB
PanSTARRS_z 18352.04 10.18 13.241 0.001 AB
SDSS_z 19222.79 83.84 13.190 0.005 AB
DES_z 19536.74 64.07 13.173 0.004 AB
PanSTARRS_y 21654.8 27.15 13.061 0.001 AB
2MASS_J 24356.87 406.43 12.039 0.018 Vega
2MASS_H 27797.73 553.24 11.422 0.022 Vega
2MASS_K 22149.64 765.44 11.199 0.038 Vega
WISE_W1 11880.94 74.02 11.014 0.007 Vega
WISE_W2 6658.06 76.74 11.003 0.013 Vega
WISE_W4 62.07 1010.61 12.798 17.677 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.444 9.511 9.615
{\rm log}_{10}({\rm SFR}) -4.393 -3.018 -2.353
{\rm log}_{10}({\rm sSFR}) -13.948 -12.548 -11.874
{\rm stellar\ age} 7.496 8.412 11.548

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.194 -0.952 -0.781
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.551 -0.764 0.000

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.199 0.299 0.428
\delta -0.897 -0.704 -0.468
\tau_1/\tau_2 0.595 0.980 1.340
Q_{PAH} 0.676 1.694 3.239
U_{min} 3.519 9.316 17.315
{\rm log}_{10}(\gamma_e)\, -1.586 -1.008 -0.423

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.505 -3.732 -2.718
{\rm log}_{10}(\tau_{AGN})\, 1.040 1.550 2.005

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.639 -3.013 -2.249
0.03-0.10 Gyr -5.173 -3.245 -2.396
0.10-0.33 Gyr -4.579 -2.935 -2.098
0.33-1.10 Gyr -3.624 -2.256 -1.434
1.10-3.65 Gyr -2.925 -1.166 -0.469
3.65-12.12 Gyr -0.972 -0.368 -0.221
12.12-13.47 Gyr -0.831 -0.132 0.634

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.304 9.450 9.562
{\rm log}_{10}({\rm SFR}) -3.771 -2.376 -1.137
{\rm log}_{10}({\rm sSFR}) -13.213 -11.814 -10.435
{\rm stellar\ age} 5.507 7.384 8.902

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.213 -0.882 -0.665
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.346 -0.440 0.134

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.260 0.465 0.691
\delta -0.887 -0.697 -0.350
\tau_1/\tau_2 0.594 0.919 1.240
Q_{PAH} 1.224 2.665 4.876
U_{min} 2.710 7.994 15.663
{\rm log}_{10}(\gamma_e)\, -2.775 -1.353 -0.507

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.368 -3.390 -2.373
{\rm log}_{10}(\tau_{AGN})\, 1.027 1.540 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.079 -2.338 -1.252
0.03-0.10 Gyr -4.230 -2.454 -1.106
0.10-0.33 Gyr -3.863 -2.192 -0.642
0.33-1.10 Gyr -2.941 -1.316 -0.376
1.10-3.65 Gyr -1.752 -0.580 -0.271
3.65-12.12 Gyr -0.910 -0.474 -0.220
12.12-13.47 Gyr -1.338 -0.540 0.156