2025ucg

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Information

Transient

Name: AT2025ucg
Right ascension: 16h47m45.55s
Declination: 31d13m26.69s
Discovery Date: Aug. 16, 2025, 6:59 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name:
Right ascension: 16h47m45.50s
Declination: 31d13m25.32s
Redshift: None
Photometric Redshift: 0.099
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 5.73
Cutout download processed 21.58
Global aperture construction processed 0.67
Local aperture photometry processed 5.82
Global aperture photometry processed 5.08
Validate local photometry processed 0.02
Validate global photometry processed 14.79
Host information processed 0.14
Global host SED inference processed 411.75
Local host SED inference processed 546.55
Transient information processed 0.0
Transient MWEBV processed 0.03
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 16h47m45.55s, 31d13m26.69s
semi major axis, semi minor axis (arcsec) = 1.09, 1.09
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_z 16.63 0.81 20.848 0.053 AB
DES_z 13.51 0.93 21.073 0.074 AB
PanSTARRS_y 16.68 1.71 20.845 0.112 AB

Aperture details

RA, DEC (J2000) = 16h47m45.49s, 31d13m25.51s
semi major axis, semi minor axis (arcsec) = 3.81, 3.12
angle (degrees, anti-clockwise from east) = -8.4

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.52 2.51 21.865 0.419 AB
SDSS_u 9.85 2.55 21.416 0.281 AB
SDSS_g 39.95 1.85 19.896 0.050 AB
PanSTARRS_g 41.29 0.65 19.860 0.017 AB
SDSS_r 59.43 2.51 19.465 0.046 AB
PanSTARRS_r 53.12 0.85 19.587 0.017 AB
SDSS_i 77.41 3.21 19.178 0.045 AB
PanSTARRS_i 70.24 1.11 19.284 0.017 AB
PanSTARRS_z 74.3 2.49 19.223 0.036 AB
SDSS_z 75.38 9.89 19.207 0.142 AB
DES_z 77.39 2.35 19.178 0.033 AB
PanSTARRS_y 75.71 5.25 19.202 0.075 AB
2MASS_J 105.07 97.01 17.951 1.002 Vega
2MASS_H 116.61 145.77 17.366 1.357 Vega
2MASS_K 26.22 184.28 18.515 7.629 Vega
WISE_W1 46.9 7.29 17.023 0.169 Vega
WISE_W2 36.29 9.7 16.661 0.290 Vega
WISE_W3 -8.08 42.27 Vega
WISE_W4 -54.56 320.93 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.220 8.653 8.899
{\rm log}_{10}({\rm SFR}) -1.210 -0.572 -0.060
{\rm log}_{10}({\rm sSFR}) -9.958 -9.174 -8.386
{\rm stellar\ age} 1.315 5.542 7.809

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.698 -1.102 -0.171
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.345 -0.594 0.111

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.370 0.711 1.268
\delta -0.585 -0.105 0.243
\tau_1/\tau_2 0.553 0.973 1.400
Q_{PAH} 0.700 2.475 5.145
U_{min} 2.965 8.475 15.896
{\rm log}_{10}(\gamma_e)\, -2.876 -1.645 -0.468

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.191 -0.997 -0.101
{\rm log}_{10}(\tau_{AGN})\, 0.952 1.456 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.062 -0.427 0.004
0.03-0.10 Gyr -2.194 -0.924 -0.059
0.10-0.33 Gyr -3.442 -1.606 -0.745
0.33-1.06 Gyr -3.902 -1.708 -0.923
1.06-3.45 Gyr -3.545 -1.643 -1.073
3.45-11.21 Gyr -3.160 -1.525 -0.991
11.21-12.46 Gyr -3.123 -1.500 -0.598

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.015 9.179 9.325
{\rm log}_{10}({\rm SFR}) -0.919 -0.498 -0.082
{\rm log}_{10}({\rm sSFR}) -10.161 -9.688 -9.179
{\rm stellar\ age} 1.720 4.144 5.858

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.392 -0.799 -0.250
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.712 -0.849 0.154

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.203 0.326 0.505
\delta -0.741 -0.349 0.034
\tau_1/\tau_2 0.725 1.078 1.414
Q_{PAH} 0.829 2.271 4.190
U_{min} 2.491 7.445 14.944
{\rm log}_{10}(\gamma_e)\, -2.718 -1.778 -0.896

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.188 -2.820 -1.470
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.559 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.807 -0.592 -0.388
0.03-0.10 Gyr -1.114 -0.474 0.028
0.10-0.33 Gyr -0.788 -0.206 0.157
0.33-1.06 Gyr -0.656 -0.227 0.106
1.06-3.45 Gyr -1.412 -0.700 -0.376
3.45-11.21 Gyr -2.024 -1.002 -0.630
11.21-12.46 Gyr -2.191 -1.062 -0.471