2025ytc

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Information

Transient

Name: AT2025ytc
Right ascension: 3h17m24.69s
Declination: -5d34m52.03s
Discovery Date: Sept. 23, 2025, 1:12 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.058

Host

Name:
Right ascension: 3h17m25.00s
Declination: -5d34m49.25s
Redshift: None
Photometric Redshift: 0.029
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 1.7
Transient MWEBV processed 0.06
Host match processed 5.11
Host information processed 0.14
Host MWEBV processed 0.03
Global aperture construction processed 0.6
Global aperture photometry processed 4.88
Validate global photometry processed 11.37
Global host SED inference processed 466.86
Local aperture photometry processed 5.14
Validate local photometry processed 0.02
Local host SED inference processed 412.13
 

Cutout Download Report

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_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 3h17m24.69s, -5d34m52.03s
semi major axis, semi minor axis (arcsec) = 3.39, 3.39
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 52.54 0.96 19.599 0.020 AB
PanSTARRS_r 78.72 0.97 19.160 0.013 AB
DES_r 82.05 0.98 19.115 0.013 AB
PanSTARRS_i 85.75 1.25 19.067 0.016 AB
PanSTARRS_z 101.25 2.3 18.887 0.025 AB
DES_z 114.53 2.02 18.753 0.019 AB
PanSTARRS_y 125.51 6.15 18.653 0.053 AB
2MASS_J 97.43 74.02 18.033 0.825 Vega
2MASS_H 207.7 126.11 16.739 0.659 Vega
2MASS_K 231.54 145.15 16.151 0.681 Vega

Aperture details

RA, DEC (J2000) = 3h17m25.00s, -5d34m48.76s
semi major axis, semi minor axis (arcsec) = 9.35, 7.33
angle (degrees, anti-clockwise from east) = -118.24

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 318.16 2.33 17.643 0.008 AB
PanSTARRS_r 496.58 2.35 17.160 0.005 AB
DES_r 542.73 2.47 17.064 0.005 AB
PanSTARRS_i 571.24 3.07 17.008 0.006 AB
PanSTARRS_z 668.53 5.6 16.837 0.009 AB
DES_z 772.92 5.17 16.680 0.007 AB
PanSTARRS_y 805.98 14.9 16.634 0.020 AB
2MASS_J 753.37 189.92 15.813 0.274 Vega
2MASS_H 1013.32 322.2 15.018 0.345 Vega
2MASS_K 218.95 372.16 16.211 1.845 Vega
WISE_W1 350.92 13.8 14.838 0.043 Vega
WISE_W2 209.68 17.15 14.757 0.089 Vega
WISE_W3 347.16 92.16 12.375 0.288 Vega
WISE_W4 465.56 437.3 10.610 1.020 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.143 8.391 8.574
{\rm log}_{10}({\rm SFR}) -1.475 -1.103 -0.755
{\rm log}_{10}({\rm sSFR}) -9.956 -9.490 -8.959
{\rm stellar\ age} 3.018 6.029 7.729

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.450 -0.699 -0.200
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.587 -1.280 -0.102

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.350 0.610 0.915
\delta -0.551 -0.156 0.112
\tau_1/\tau_2 0.721 1.075 1.432
Q_{PAH} 0.767 2.516 4.777
U_{min} 2.745 7.731 14.668
{\rm log}_{10}(\gamma_e)\, -3.323 -2.288 -0.958

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.162 -2.562 -0.960
{\rm log}_{10}(\tau_{AGN})\, 0.938 1.414 1.909

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.310 -1.066 -0.793
0.03-0.10 Gyr -1.750 -1.139 -0.702
0.10-0.33 Gyr -1.979 -1.319 -0.878
0.33-1.10 Gyr -2.103 -1.476 -1.132
1.10-3.63 Gyr -2.243 -1.617 -1.308
3.63-12.03 Gyr -2.413 -1.648 -1.323
12.03-13.36 Gyr -2.550 -1.682 -1.081

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.209 9.336 9.431
{\rm log}_{10}({\rm SFR}) -1.476 -1.077 -0.763
{\rm log}_{10}({\rm sSFR}) -10.899 -10.431 -10.026
{\rm stellar\ age} 6.310 7.569 8.804

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.324 -1.021 -0.762
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.209 -0.013 0.148

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.121 0.200 0.293
\delta -0.920 -0.692 -0.328
\tau_1/\tau_2 0.611 0.947 1.307
Q_{PAH} 0.251 0.711 1.801
U_{min} 2.870 7.264 13.807
{\rm log}_{10}(\gamma_e)\, -3.407 -2.725 -1.600

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.443 -3.542 -2.594
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.460 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.083 -0.892 -0.738
0.03-0.10 Gyr -2.196 -1.220 -0.753
0.10-0.33 Gyr -2.100 -1.170 -0.645
0.33-1.10 Gyr -1.872 -1.091 -0.675
1.10-3.63 Gyr -1.387 -0.817 -0.537
3.63-12.03 Gyr -0.825 -0.539 -0.375
12.03-13.36 Gyr -1.082 -0.535 0.004