2025umn results

Information

Transient
Name:AT2025umn
Right ascension: 15h58m23.74s
Declination:20d02m43.24s
Discovery Date:Aug. 14, 2025, 6:31 a.m.
Classification:None
Redshift:None
MW E(B-V):0.037
Host
Name:
Right ascension: 15h58m25.42s
Declination:20d02m35.70s
Redshift:0.051921
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 30.03
Transient MWEBV processed 0.05
Host match processed 6.27
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.61
Global aperture photometry processed 6.26
Validate global photometry processed 17.44
Global host SED inference processed 426.63
Local aperture photometry processed 6.95
Validate local photometry processed 0.03
Local host SED inference failed 0.01
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h58m23.74s, 20d02m43.24s
semi major axis, semi minor axis (arcsec):1.98, 1.98
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 2.79 1.65 22.786 0.643 AB
SDSS_g 0.97 0.62 23.931 0.693 AB
DES_g 0.12 0.18 26.168 1.547 AB
PanSTARRS_g -0.48 0.48 AB
SDSS_r -1.07 0.89 AB
PanSTARRS_r 0.26 0.44 25.346 1.814 AB
DES_r 0.47 0.32 24.720 0.731 AB
SDSS_i 2.61 1.6 22.860 0.665 AB
PanSTARRS_i -1.02 0.42 AB
PanSTARRS_z -1.04 1.35 AB
SDSS_z 6.62 5.8 21.847 0.950 AB
DES_z -0.13 0.85 AB
PanSTARRS_y -1.7 2.78 AB

Aperture details

RA, DEC (J2000):15h58m25.42s, 20d02m35.89s
semi major axis, semi minor axis (arcsec):10.62, 6.5
angle (degrees, anti-clockwise from east):-110.87
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 45.49 2.73 19.755 0.065 AB
SDSS_g 282.38 4.87 17.773 0.019 AB
DES_g 270.94 1.15 17.818 0.005 AB
PanSTARRS_g 258.07 2.16 17.871 0.009 AB
SDSS_r 383.67 6.18 17.440 0.017 AB
PanSTARRS_r 413.0 1.91 17.360 0.005 AB
DES_r 440.26 2.5 17.291 0.006 AB
SDSS_i 499.73 8.57 17.153 0.019 AB
PanSTARRS_z 576.43 5.88 16.998 0.011 AB
SDSS_z 654.1 24.92 16.861 0.041 AB
2MASS_J 928.31 191.77 15.586 0.224 Vega
2MASS_H 386.41 295.81 16.065 0.831 Vega
2MASS_K 336.04 365.76 15.746 1.182 Vega
WISE_W1 311.82 14.37 14.966 0.050 Vega
WISE_W2 190.25 19.22 14.863 0.110 Vega
WISE_W3 587.81 88.06 11.803 0.163 Vega
WISE_W4 47.41 464.39 13.090 10.634 Vega
 

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})\, 9.643 9.715 9.800
{\rm log}_{10}({\rm SFR}) -0.572 -0.313 -0.008
{\rm log}_{10}({\rm sSFR}) -10.309 -10.033 -9.702
{\rm stellar\ age} 6.675 7.505 8.920

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.951 -0.713 -0.535
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.703 0.126 0.378

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.070 0.129 0.245
\delta -0.845 -0.495 -0.013
\tau_1/\tau_2 0.735 1.100 1.464
Q_{PAH} 0.417 1.346 3.112
U_{min} 2.728 7.590 14.212
{\rm log}_{10}(\gamma_e)\, -2.713 -1.743 -0.974

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.290 -3.168 -2.156
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.495 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.670 -0.523 -0.391
0.03-0.10 Gyr -0.595 -0.239 0.113
0.10-0.33 Gyr -0.709 -0.348 -0.096
0.33-1.08 Gyr -1.008 -0.560 -0.308
1.08-3.57 Gyr -0.910 -0.479 -0.226
3.57-11.76 Gyr -0.351 -0.158 -0.033
11.76-13.06 Gyr -0.501 -0.016 0.488