2025ubd

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Information

Transient

Name: AT2025ubd
Right ascension: 17h58m56.35s
Declination: 41d55m08.08s
Discovery Date: Aug. 16, 2025, 7:36 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.032

Host

Name:
Right ascension: 17h58m56.12s
Declination: 41d55m00.87s
Redshift: 0.072030
Photometric Redshift: 0.047
 

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 5.63
Cutout download processed 32.09
Global aperture construction processed 0.59
Local aperture photometry processed 5.5
Global aperture photometry processed 5.45
Validate local photometry processed 0.02
Validate global photometry processed 14.76
Host information processed 0.16
Global host SED inference processed 568.71
Local host SED inference processed 424.71
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 17h58m56.35s, 41d55m08.08s
semi major axis, semi minor axis (arcsec) = 1.46, 1.46
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 6.58 0.78 21.855 0.129 AB
PanSTARRS_g 8.36 0.38 21.594 0.049 AB
SDSS_r 13.83 1.18 21.048 0.093 AB
PanSTARRS_r 15.31 0.34 20.937 0.024 AB
SDSS_i 23.91 1.67 20.454 0.076 AB
PanSTARRS_i 21.11 0.3 20.589 0.015 AB
PanSTARRS_z 24.24 1.0 20.439 0.045 AB
SDSS_z 32.88 4.24 20.108 0.140 AB
PanSTARRS_y 31.16 2.36 20.166 0.082 AB

Aperture details

RA, DEC (J2000) = 17h58m56.11s, 41d55m01.17s
semi major axis, semi minor axis (arcsec) = 15.44, 8.26
angle (degrees, anti-clockwise from east) = -142.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 31.58 4.62 20.151 0.159 AB
GALEX_NUV 33.65 3.45 20.083 0.111 AB
SDSS_g 585.35 7.08 16.981 0.013 AB
PanSTARRS_g 660.01 2.97 16.851 0.005 AB
PanSTARRS_r 1266.76 2.67 16.143 0.002 AB
SDSS_i 1788.09 13.83 15.769 0.008 AB
PanSTARRS_i 1814.05 2.29 15.753 0.001 AB
SDSS_z 2505.74 33.4 15.403 0.014 AB
2MASS_H 4161.73 443.75 13.484 0.116 Vega
2MASS_K 3670.55 425.41 13.150 0.126 Vega
WISE_W1 1569.95 36.03 13.211 0.025 Vega
WISE_W3 919.73 91.3 11.317 0.108 Vega
WISE_W4 705.96 354.46 10.158 0.545 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})\, 8.634 8.833 8.991
{\rm log}_{10}({\rm SFR}) -2.079 -1.323 -0.646
{\rm log}_{10}({\rm sSFR}) -10.930 -10.165 -9.365
{\rm stellar\ age} 2.331 6.107 7.662

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.615 -0.999 -0.308
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.506 -0.703 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.586 1.152 1.690
\delta -0.196 0.102 0.302
\tau_1/\tau_2 0.640 1.003 1.361
Q_{PAH} 1.128 3.092 5.421
U_{min} 2.919 8.216 15.595
{\rm log}_{10}(\gamma_e)\, -2.916 -1.722 -0.579

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.240 -0.756 -0.004
{\rm log}_{10}(\tau_{AGN})\, 0.975 1.484 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.413 -1.459 -0.806
0.03-0.10 Gyr -2.332 -1.393 -0.608
0.10-0.33 Gyr -2.088 -1.230 -0.562
0.33-1.07 Gyr -2.066 -1.140 -0.611
1.07-3.52 Gyr -2.304 -1.150 -0.842
3.52-11.52 Gyr -2.386 -1.153 -0.868
11.52-12.80 Gyr -2.441 -1.208 -0.615

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.802 10.886 10.925
{\rm log}_{10}({\rm SFR}) -0.769 -0.372 0.012
{\rm log}_{10}({\rm sSFR}) -11.685 -11.249 -10.875
{\rm stellar\ age} 8.691 11.760 12.133

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.665 -0.524 -0.407
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.542 -0.390 0.291

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.032 0.082 0.171
\delta -0.682 -0.285 0.070
\tau_1/\tau_2 0.566 1.005 1.495
Q_{PAH} 0.329 1.192 3.185
U_{min} 2.449 7.216 14.725
{\rm log}_{10}(\gamma_e)\, -3.340 -2.380 -1.133

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.784 -1.614 -1.239
{\rm log}_{10}(\tau_{AGN})\, 1.105 1.378 1.715

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.217 -0.508 -0.221
0.03-0.10 Gyr -1.245 -0.372 0.141
0.10-0.33 Gyr -3.231 -0.923 -0.216
0.33-1.07 Gyr -4.469 -1.458 -0.522
1.07-3.52 Gyr -3.482 -1.280 -0.379
3.52-11.52 Gyr -1.506 0.063 1.002
11.52-12.80 Gyr 1.353 2.001 2.064