2025xum

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Information

Transient

Name: AT2025xum
Right ascension: 2h28m49.14s
Declination: 51d27m37.10s
Discovery Date: Sept. 15, 2025, 9:16 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.240

Host

Name: 02284886+5127386
Right ascension: 2h28m48.86s
Declination: 51d27m38.65s
Redshift: 0.053177
Photometric Redshift: 0.054
 

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 3.7
Cutout download processed 4.99
Global aperture construction processed 0.66
Local aperture photometry processed 3.99
Global aperture photometry processed 3.89
Validate local photometry processed 0.02
Validate global photometry processed 10.93
Host information processed 0.15
Global host SED inference processed 577.98
Local host SED inference processed 469.43
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) = 2h28m49.14s, 51d27m37.10s
semi major axis, semi minor axis (arcsec) = 1.93, 1.93
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 117.21 0.51 18.728 0.005 AB
PanSTARRS_r 292.64 0.73 17.734 0.003 AB
PanSTARRS_i 493.86 0.99 17.166 0.002 AB
PanSTARRS_z 668.34 1.49 16.838 0.002 AB
PanSTARRS_y 877.66 2.41 16.542 0.003 AB

Aperture details

RA, DEC (J2000) = 2h28m48.94s, 51d27m38.50s
semi major axis, semi minor axis (arcsec) = 14.55, 8.93
angle (degrees, anti-clockwise from east) = -28.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 22.64 5.73 20.513 0.275 AB
PanSTARRS_g 955.05 2.76 16.450 0.003 AB
PanSTARRS_r 2227.96 3.92 15.530 0.002 AB
PanSTARRS_i 3517.22 5.54 15.035 0.002 AB
PanSTARRS_z 4630.65 8.3 14.736 0.002 AB
PanSTARRS_y 6164.69 13.98 14.425 0.002 AB
2MASS_J 8523.32 283.51 13.179 0.036 Vega
2MASS_H 12231.62 440.02 12.314 0.039 Vega
2MASS_K 11043.18 416.15 11.954 0.041 Vega
WISE_W1 5728.07 80.31 11.806 0.015 Vega
WISE_W2 5124.85 75.09 11.287 0.016 Vega
WISE_W3 21935.02 188.46 7.873 0.009 Vega
WISE_W4 63552.51 2069.62 5.272 0.035 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})\, 9.918 10.086 10.208
{\rm log}_{10}({\rm SFR}) -1.397 -0.450 0.306
{\rm log}_{10}({\rm sSFR}) -11.551 -10.559 -9.646
{\rm stellar\ age} 4.401 7.001 8.710

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.187 -0.549 -0.232
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.488 -0.120 0.267

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.446 0.798 1.259
\delta -0.787 -0.493 -0.128
\tau_1/\tau_2 0.631 0.963 1.321
Q_{PAH} 0.558 2.665 4.767
U_{min} 2.585 7.496 14.592
{\rm log}_{10}(\gamma_e)\, -3.376 -2.191 -0.661

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.147 -2.331 -0.598
{\rm log}_{10}(\tau_{AGN})\, 1.026 1.505 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.331 -0.424 0.097
0.03-0.10 Gyr -1.794 -0.571 0.349
0.10-0.33 Gyr -1.544 -0.400 0.481
0.33-1.08 Gyr -1.250 -0.223 0.300
1.08-3.57 Gyr -0.964 0.002 0.354
3.57-11.74 Gyr -0.578 0.127 0.359
11.74-13.05 Gyr -0.657 0.191 0.831

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.905 10.976 11.065
{\rm log}_{10}({\rm SFR}) 0.130 0.640 1.084
{\rm log}_{10}({\rm sSFR}) -10.898 -10.366 -9.877
{\rm stellar\ age} 7.193 8.234 11.222

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.304 -0.117 0.012
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.767 0.039 0.369

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.222 0.342 0.487
\delta -0.876 -0.655 -0.261
\tau_1/\tau_2 0.536 0.927 1.333
Q_{PAH} 0.098 0.360 0.968
U_{min} 3.122 8.136 15.032
{\rm log}_{10}(\gamma_e)\, -2.743 -1.636 -0.989

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.172 -0.934 -0.733
{\rm log}_{10}(\tau_{AGN})\, 1.505 1.648 1.756

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.118 0.476 0.889
0.03-0.10 Gyr -0.086 0.630 1.196
0.10-0.33 Gyr -0.401 0.351 0.805
0.33-1.08 Gyr -0.739 0.210 0.653
1.08-3.57 Gyr -0.593 0.399 0.900
3.57-11.74 Gyr 0.531 1.053 1.206
11.74-13.05 Gyr 0.838 1.415 2.092