2025ucd

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Information

Transient

Name: AT2025ucd
Right ascension: 17h37m00.60s
Declination: 31d35m42.90s
Discovery Date: Aug. 16, 2025, 7:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name:
Right ascension: 17h37m00.57s
Declination: 31d35m44.99s
Redshift: None
Photometric Redshift: 0.106
 

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 6.12
Cutout download processed 27.25
Global aperture construction processed 0.68
Local aperture photometry processed 6.58
Global aperture photometry processed 5.94
Validate local photometry processed 0.02
Validate global photometry processed 16.09
Host information processed 0.14
Global host SED inference processed 394.65
Local host SED inference processed 700.16
Transient information processed 0.0
Transient MWEBV processed 0.03
Host MWEBV processed 0.03
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) = 17h37m00.60s, 31d35m42.90s
semi major axis, semi minor axis (arcsec) = 1.03, 1.03
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 28.38 1.77 20.267 0.068 AB
PanSTARRS_y 21.07 1.6 20.591 0.082 AB

Aperture details

RA, DEC (J2000) = 17h37m00.57s, 31d35m45.19s
semi major axis, semi minor axis (arcsec) = 8.14, 2.93
angle (degrees, anti-clockwise from east) = -174.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 18.53 4.17 20.731 0.245 AB
SDSS_g 71.96 2.55 19.257 0.038 AB
DES_g 63.33 0.72 19.396 0.012 AB
PanSTARRS_g 64.58 1.06 19.375 0.018 AB
SDSS_r 129.17 3.51 18.622 0.029 AB
PanSTARRS_r 127.35 1.35 18.638 0.011 AB
DES_r 137.35 1.69 18.555 0.013 AB
SDSS_i 187.14 4.53 18.220 0.026 AB
PanSTARRS_i 181.7 1.74 18.252 0.010 AB
PanSTARRS_z 215.79 3.3 18.065 0.017 AB
SDSS_z 238.42 16.23 17.957 0.074 AB
DES_z 236.0 5.38 17.968 0.025 AB
PanSTARRS_y 236.23 7.42 17.967 0.034 AB
2MASS_J 279.59 117.55 16.889 0.456 Vega
2MASS_H 405.6 190.69 16.012 0.510 Vega
2MASS_K 669.49 192.04 14.998 0.311 Vega
WISE_W1 203.09 13.8 15.432 0.074 Vega
WISE_W2 130.53 15.14 15.272 0.126 Vega
WISE_W3 201.27 58.26 12.967 0.314 Vega
WISE_W4 250.02 385.95 11.285 1.676 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})\, 8.583 8.893 9.162
{\rm log}_{10}({\rm SFR}) -0.973 -0.500 0.104
{\rm log}_{10}({\rm sSFR}) -10.008 -9.424 -8.578
{\rm stellar\ age} 1.887 5.610 7.750

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.594 -0.832 -0.136
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.464 -0.663 0.126

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.297 0.653 1.190
\delta -0.706 -0.288 0.236
\tau_1/\tau_2 0.504 0.911 1.381
Q_{PAH} 0.558 1.962 4.989
U_{min} 2.951 8.239 15.463
{\rm log}_{10}(\gamma_e)\, -3.123 -1.953 -0.727

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.596 -1.047 -0.078
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.473 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.763 -0.307 0.069
0.03-0.10 Gyr -2.018 -0.779 0.083
0.10-0.32 Gyr -3.038 -1.280 -0.520
0.32-1.06 Gyr -3.340 -1.287 -0.566
1.06-3.43 Gyr -3.119 -1.305 -0.791
3.43-11.14 Gyr -2.645 -1.213 -0.738
11.14-12.38 Gyr -2.617 -1.198 -0.365

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.966 10.065 10.171
{\rm log}_{10}({\rm SFR}) -0.957 -0.410 -0.071
{\rm log}_{10}({\rm sSFR}) -11.061 -10.454 -10.094
{\rm stellar\ age} 5.888 7.071 8.580

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.990 -0.636 -0.389
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.540 -0.228 0.274

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.235 0.373 0.554
\delta -0.681 -0.267 0.161
\tau_1/\tau_2 0.654 0.987 1.329
Q_{PAH} 0.949 2.133 3.908
U_{min} 2.671 7.369 13.769
{\rm log}_{10}(\gamma_e)\, -2.878 -1.992 -0.861

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.857 -2.441 -1.625
{\rm log}_{10}(\tau_{AGN})\, 0.907 1.267 1.767

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.817 -0.420 -0.200
0.03-0.10 Gyr -1.164 -0.428 0.000
0.10-0.32 Gyr -1.281 -0.433 0.002
0.32-1.06 Gyr -1.245 -0.392 0.022
1.06-3.43 Gyr -0.697 -0.007 0.269
3.43-11.14 Gyr -0.104 0.196 0.367
11.14-12.38 Gyr -0.360 0.249 0.871