2025umw results

Information

Transient
Name:AT2025umw
Right ascension: 23h31m20.76s
Declination:-19d32m50.53s
Discovery Date:Aug. 18, 2025, 8:31 a.m.
Classification:None
Redshift:None
MW E(B-V):0.029
Host
Name:853751
Right ascension: 23h31m20.64s
Declination:-19d32m48.84s
Redshift:None
Photometric Redshift:0.087
 

Cutout Download Report

Downloadable 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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.49
Transient MWEBV processed 0.05
Host match processed 4.87
Host information processed 0.16
Host MWEBV processed 0.05
Host spectrum download not processed None
Global aperture construction processed 0.69
Global aperture photometry processed 4.82
Validate global photometry processed 14.61
Global host SED inference processed 607.25
Local aperture photometry processed 5.57
Validate local photometry processed 0.02
Local host SED inference processed 440.63
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.418 8.687 8.871
{\rm log}_{10}({\rm SFR}) -1.844 -1.110 -0.355
{\rm log}_{10}({\rm sSFR}) -10.569 -9.885 -8.958
{\rm stellar\ age} 1.923 6.105 8.077

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.490 -0.784 -0.130
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.397 -0.461 0.220

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.390 0.881 1.486
\delta -0.284 0.068 0.275
\tau_1/\tau_2 0.643 1.025 1.412
Q_{PAH} 0.982 2.664 4.663
U_{min} 3.100 8.526 15.961
{\rm log}_{10}(\gamma_e)\, -2.946 -1.830 -0.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.139 -0.362 0.135
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.553 1.890

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.067 -1.282 -0.661
0.03-0.10 Gyr -2.017 -1.157 -0.270
0.10-0.33 Gyr -2.572 -1.378 -0.663
0.33-1.07 Gyr -3.076 -1.474 -0.869
1.07-3.48 Gyr -3.186 -1.399 -1.059
3.48-11.35 Gyr -3.014 -1.331 -0.999
11.35-12.61 Gyr -2.822 -1.314 -0.565

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.523 9.775 9.953
{\rm log}_{10}({\rm SFR}) -1.105 -0.108 0.764
{\rm log}_{10}({\rm sSFR}) -10.872 -9.926 -8.958
{\rm stellar\ age} 0.683 4.410 7.038

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.518 -0.746 -0.123
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.316 -0.166 0.302

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.300 0.705 1.103
\delta -0.435 -0.033 0.258
\tau_1/\tau_2 0.590 1.014 1.458
Q_{PAH} 1.675 3.781 5.580
U_{min} 3.229 8.788 15.975
{\rm log}_{10}(\gamma_e)\, -3.167 -1.647 -0.354

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.087 -2.473 -1.082
{\rm log}_{10}(\tau_{AGN})\, 0.934 1.450 1.909

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.242 -0.642 -0.163
0.03-0.10 Gyr -1.467 -0.032 0.920
0.10-0.33 Gyr -0.940 0.204 0.941
0.33-1.07 Gyr -1.896 0.025 0.579
1.07-3.48 Gyr -3.159 -0.266 0.199
3.48-11.35 Gyr -3.425 -0.543 -0.009
11.35-12.61 Gyr -3.739 -0.574 0.368
 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h31m20.76s, -19d32m50.53s
semi major axis, semi minor axis (arcsec):1.23, 1.23
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 9.61 0.46 21.444 0.052 AB
PanSTARRS_i 13.08 0.43 21.109 0.036 AB
PanSTARRS_z 14.14 0.97 21.024 0.075 AB
PanSTARRS_y 18.81 2.15 20.714 0.124 AB

Aperture details

RA, DEC (J2000):23h31m20.60s, -19d32m47.91s
semi major axis, semi minor axis (arcsec):6.15, 3.9
angle (degrees, anti-clockwise from east):-150.12
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 184.61 1.82 18.234 0.011 AB
PanSTARRS_i 225.4 1.7 18.018 0.008 AB
PanSTARRS_y 314.1 8.4 17.657 0.029 AB