2025urn

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Information

Transient

Name: AT2025urn
Right ascension: 21h36m35.56s
Declination: 19d52m06.66s
Discovery Date: Aug. 20, 2025, 9:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.103

Host

Name:
Right ascension: 21h36m35.55s
Declination: 19d52m05.58s
Redshift: None
Photometric Redshift: 0.115
 

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
not enough filters
 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 7.38
Cutout download processed 29.89
Global aperture construction processed 0.68
Local aperture photometry processed 6.45
Global aperture photometry processed 5.48
Validate local photometry processed 0.02
Validate global photometry processed 17.28
Host information processed 0.14
Global host SED inference processed 391.64
Local host SED inference not enough filters 16.68
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.04
Processing status blocked 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) = 21h36m35.56s, 19d52m06.66s
semi major axis, semi minor axis (arcsec) = 0.96, 0.96
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 25.16 1.03 20.398 0.044 AB

Aperture details

RA, DEC (J2000) = 21h36m35.53s, 19d52m05.77s
semi major axis, semi minor axis (arcsec) = 3.33, 2.86
angle (degrees, anti-clockwise from east) = -119.36

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 8.84 2.14 21.534 0.263 AB
SDSS_u 15.0 2.21 20.960 0.160 AB
SDSS_g 44.16 1.93 19.787 0.048 AB
DES_g 46.71 0.32 19.726 0.007 AB
PanSTARRS_g 49.23 0.7 19.669 0.015 AB
SDSS_r 69.13 2.47 19.301 0.039 AB
PanSTARRS_r 71.93 0.83 19.258 0.013 AB
DES_r 73.98 0.84 19.227 0.012 AB
SDSS_i 94.93 3.3 18.956 0.038 AB
PanSTARRS_i 93.69 0.88 18.971 0.010 AB
PanSTARRS_z 99.53 1.9 18.905 0.021 AB
SDSS_z 94.54 7.03 18.961 0.081 AB
DES_z 106.81 2.2 18.828 0.022 AB
PanSTARRS_y 106.2 4.37 18.835 0.045 AB
2MASS_J -35.54 116.02 Vega
2MASS_H -4.95 166.65 Vega
2MASS_K 43.69 150.75 17.961 3.746 Vega
WISE_W1 65.14 15.82 16.666 0.264 Vega
WISE_W2 30.51 16.6 16.850 0.591 Vega
WISE_W3 172.18 49.68 13.136 0.313 Vega
WISE_W4 343.75 480.77 10.939 1.518 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.421 9.528 9.647
{\rm log}_{10}({\rm SFR}) -0.481 -0.199 0.091
{\rm log}_{10}({\rm sSFR}) -10.040 -9.742 -9.428
{\rm stellar\ age} 3.744 5.228 6.368

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.322 -0.865 -0.378
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.729 -1.247 -0.103

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.093 0.185 0.319
\delta -0.582 -0.144 0.197
\tau_1/\tau_2 0.786 1.100 1.430
Q_{PAH} 0.757 1.883 3.458
U_{min} 2.897 7.610 14.781
{\rm log}_{10}(\gamma_e)\, -2.892 -2.073 -1.239

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.841 -2.089 -1.357
{\rm log}_{10}(\tau_{AGN})\, 0.954 1.327 1.781

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.647 -0.459 -0.263
0.03-0.10 Gyr -0.468 -0.121 0.209
0.10-0.32 Gyr -0.116 0.134 0.346
0.32-1.05 Gyr -0.324 -0.050 0.171
1.05-3.41 Gyr -0.603 -0.326 -0.127
3.41-11.04 Gyr -0.805 -0.464 -0.255
11.04-12.27 Gyr -1.045 -0.469 -0.018