2026ctu results

Information

Transient
Name:AT2026ctu
Right ascension: 9h58m44.77s
Declination:2d02m49.80s
Discovery Date:Jan. 11, 2026, 8:27 a.m.
Classification:None
Redshift:None
MW E(B-V):0.017
Host
Name:3120341
Right ascension: 9h58m44.73s
Declination:2d02m49.36s
Redshift:0.091506
Photometric Redshift:None
 

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 18.79
Transient MWEBV processed 0.04
Host match processed 4.16
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.57
Validate global photometry processed 19.46
Global host SED inference processed 365.8
Local aperture photometry processed 6.5
Validate local photometry processed 0.03
Local host SED inference processed 567.8
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h58m44.77s, 2d02m49.80s
semi major axis, semi minor axis (arcsec):1.17, 1.17
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 83.28 0.42 19.099 0.005 AB
DES_r 211.2 1.01 18.088 0.005 AB
PanSTARRS_i 245.48 0.48 17.925 0.002 AB
PanSTARRS_z 323.23 0.8 17.626 0.003 AB
DES_z 453.65 7.66 17.258 0.018 AB
PanSTARRS_y 370.85 2.1 17.477 0.006 AB

Aperture details

RA, DEC (J2000):9h58m44.71s, 2d02m49.61s
semi major axis, semi minor axis (arcsec):6.93, 5.56
angle (degrees, anti-clockwise from east):-29.88
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.47 0.12 21.717 0.018 AB
GALEX_NUV 15.15 0.12 20.949 0.009 AB
SDSS_u 91.12 6.22 19.001 0.074 AB
SDSS_g 291.16 4.9 17.740 0.018 AB
DES_g 304.2 0.89 17.692 0.003 AB
PanSTARRS_g 304.07 0.76 17.693 0.003 AB
SDSS_r 619.36 7.27 16.920 0.013 AB
PanSTARRS_r 616.46 0.91 16.925 0.002 AB
DES_r 674.07 1.97 16.828 0.003 AB
SDSS_i 934.01 9.73 16.474 0.011 AB
PanSTARRS_i 917.33 2.14 16.494 0.003 AB
PanSTARRS_z 1159.76 3.52 16.239 0.003 AB
SDSS_z 1181.56 27.76 16.219 0.026 AB
DES_z 1255.94 13.38 16.153 0.012 AB
PanSTARRS_y 1421.38 10.72 16.018 0.008 AB
2MASS_J 2075.31 165.26 14.712 0.086 Vega
2MASS_H 2258.13 230.69 14.148 0.111 Vega
2MASS_K 2736.27 306.34 13.469 0.122 Vega
WISE_W1 1055.44 21.44 13.642 0.022 Vega
WISE_W2 707.5 25.62 13.437 0.039 Vega
WISE_W3 2200.58 82.43 10.370 0.041 Vega
WISE_W4 3568.3 682.51 8.399 0.208 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.103 10.222 10.331
{\rm log}_{10}({\rm SFR}) -1.657 -0.621 0.096
{\rm log}_{10}({\rm sSFR}) -11.988 -10.835 -10.036
{\rm stellar\ age} 6.411 7.778 11.266

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.598 -0.300 -0.093
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.679 -0.659 0.230

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.145 0.457 0.835
\delta -0.810 -0.472 -0.043
\tau_1/\tau_2 0.672 1.036 1.402
Q_{PAH} 1.178 3.342 5.770
U_{min} 3.410 8.588 15.545
{\rm log}_{10}(\gamma_e)\, -3.229 -1.988 -0.458

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.029 -0.996 -0.347
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.491 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.815 -0.772 -0.085
0.03-0.10 Gyr -1.975 -0.650 0.154
0.10-0.33 Gyr -2.118 -0.742 0.095
0.33-1.06 Gyr -2.472 -0.674 0.095
1.06-3.47 Gyr -2.354 -0.383 0.281
3.47-11.30 Gyr -0.451 0.269 0.487
11.30-12.56 Gyr -0.088 0.618 1.419

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.692 10.728 10.789
{\rm log}_{10}({\rm SFR}) 0.114 0.433 0.757
{\rm log}_{10}({\rm sSFR}) -10.620 -10.296 -9.967
{\rm stellar\ age} 7.378 8.112 10.314

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.424 -0.245 -0.120
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.190 0.341 0.441

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.250 0.353 0.498
\delta -0.877 -0.665 -0.355
\tau_1/\tau_2 0.623 0.962 1.320
Q_{PAH} 0.953 2.084 3.644
U_{min} 2.379 7.156 14.086
{\rm log}_{10}(\gamma_e)\, -2.627 -1.601 -0.796

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.103 -2.818 -1.884
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.550 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.104 0.137 0.300
0.03-0.10 Gyr 0.113 0.521 0.888
0.10-0.33 Gyr -0.489 0.012 0.348
0.33-1.06 Gyr -0.761 -0.192 0.127
1.06-3.47 Gyr -0.577 0.024 0.425
3.47-11.30 Gyr 0.538 0.903 0.999
11.30-12.56 Gyr 0.703 1.208 1.778