2025ttc results

Information

Transient
Name:AT2025ttc
Right ascension: 14h27m55.12s
Declination:16d12m19.10s
Discovery Date:Aug. 13, 2025, 1:39 p.m.
Classification:None
Redshift:None
MW E(B-V):0.027
Host
Name:IC4434
Right ascension: 14h27m54.72s
Declination:16d12m25.63s
Redshift:0.052806
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 41.11
Transient MWEBV processed 0.16
Host match processed 5.42
Host information processed 0.15
Host MWEBV processed 0.06
Global aperture construction processed 0.72
Global aperture photometry processed 6.41
Validate global photometry processed 17.46
Global host SED inference processed 498.36
Local aperture photometry processed 7.25
Validate local photometry processed 0.03
Local host SED inference processed 438.16
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):14h27m55.12s, 16d12m19.10s
semi major axis, semi minor axis (arcsec):1.94, 1.94
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 9.53 1.58 21.453 0.180 AB
SDSS_g 39.6 1.78 19.906 0.049 AB
DES_g 43.47 0.38 19.804 0.009 AB
PanSTARRS_g 39.23 0.51 19.916 0.014 AB
SDSS_r 83.89 2.52 19.091 0.033 AB
PanSTARRS_r 79.3 0.59 19.152 0.008 AB
DES_r 89.96 0.89 19.015 0.011 AB
SDSS_i 112.64 3.26 18.771 0.031 AB
PanSTARRS_i 103.3 0.79 18.865 0.008 AB
PanSTARRS_z 129.13 1.23 18.622 0.010 AB
SDSS_z 132.36 6.11 18.596 0.050 AB
DES_z 151.21 2.66 18.451 0.019 AB
PanSTARRS_y 161.01 3.47 18.383 0.023 AB

Aperture details

RA, DEC (J2000):14h27m54.74s, 16d12m26.12s
semi major axis, semi minor axis (arcsec):17.04, 14.59
angle (degrees, anti-clockwise from east):-27.42
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.07 3.07 21.633 0.413 AB
GALEX_NUV 24.92 1.18 20.409 0.051 AB
SDSS_u 607.92 12.8 16.940 0.023 AB
SDSS_g 2758.22 14.75 15.298 0.006 AB
DES_g 3014.76 3.12 15.202 0.001 AB
PanSTARRS_g 3015.58 4.22 15.202 0.002 AB
SDSS_r 6048.19 21.32 14.446 0.004 AB
PanSTARRS_r 6116.79 4.83 14.434 0.001 AB
DES_r 6645.76 7.64 14.344 0.001 AB
SDSS_i 8802.01 28.14 14.039 0.003 AB
PanSTARRS_i 8720.96 6.51 14.049 0.001 AB
PanSTARRS_z 10774.05 9.98 13.819 0.001 AB
SDSS_z 11142.58 51.02 13.783 0.005 AB
DES_z 11812.74 23.33 13.719 0.002 AB
PanSTARRS_y 13671.83 28.28 13.560 0.002 AB
2MASS_J 16730.49 326.01 12.446 0.021 Vega
2MASS_H 19920.36 488.03 11.784 0.027 Vega
2MASS_K 18502.78 575.33 11.394 0.034 Vega
WISE_W1 7999.82 47.19 11.443 0.006 Vega
WISE_W2 4445.53 51.32 11.441 0.013 Vega
WISE_W3 1759.3 114.07 10.613 0.070 Vega
WISE_W4 511.98 545.55 10.507 1.157 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.060 9.188 9.306
{\rm log}_{10}({\rm SFR}) -1.406 -0.959 -0.431
{\rm log}_{10}({\rm sSFR}) -10.649 -10.159 -9.593
{\rm stellar\ age} 5.350 6.999 8.558

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.953 -0.462 -0.177
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.014 0.209 0.378

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.304 0.590 0.986
\delta -0.807 -0.502 -0.118
\tau_1/\tau_2 0.727 1.071 1.426
Q_{PAH} 1.007 2.974 5.080
U_{min} 2.864 8.017 14.591
{\rm log}_{10}(\gamma_e)\, -3.103 -2.071 -0.991

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.167 -1.464 -0.487
{\rm log}_{10}(\tau_{AGN})\, 1.112 1.532 1.965

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.171 -0.812 -0.451
0.03-0.10 Gyr -1.772 -1.066 -0.429
0.10-0.33 Gyr -1.824 -1.071 -0.570
0.33-1.08 Gyr -1.672 -1.027 -0.628
1.08-3.57 Gyr -1.441 -0.838 -0.599
3.57-11.75 Gyr -1.152 -0.741 -0.551
11.75-13.05 Gyr -1.270 -0.692 -0.088

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.227 11.329 11.360
{\rm log}_{10}({\rm SFR}) -4.778 -2.145 -1.353
{\rm log}_{10}({\rm sSFR}) -16.162 -13.473 -12.659
{\rm stellar\ age} 8.276 12.089 12.390

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.626 -0.467 -0.350
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.502 -0.610 0.136

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.062 0.128 0.234
\delta -0.621 -0.251 0.070
\tau_1/\tau_2 0.459 0.915 1.349
Q_{PAH} 0.284 1.173 3.384
U_{min} 3.002 8.954 16.948
{\rm log}_{10}(\gamma_e)\, -2.944 -1.745 -1.064

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.588 -3.913 -3.084
{\rm log}_{10}(\tau_{AGN})\, 1.104 1.620 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.621 -2.232 -1.324
0.03-0.10 Gyr -5.721 -2.549 -1.408
0.10-0.33 Gyr -6.277 -2.781 -1.412
0.33-1.08 Gyr -5.175 -2.532 -1.163
1.08-3.57 Gyr -3.393 -1.704 -0.353
3.57-11.75 Gyr -1.344 0.425 1.480
11.75-13.05 Gyr 1.499 2.443 2.494