2025osm results

Information

Transient
Name:AT2025osm
Right ascension: 23h12m31.02s
Declination:28d23m22.09s
Discovery Date:June 22, 2025, 10:16 a.m.
Classification:None
Redshift:None
MW E(B-V):0.121
Host
Name:
Right ascension: 23h12m31.20s
Declination:28d23m19.92s
Redshift:None
Photometric Redshift:0.053
 

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_g
DES_g
DES_r
DES_z
 SDSS_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 28.24
Transient MWEBV processed 0.07
Host match processed 6.34
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 5.66
Validate global photometry processed 16.14
Global host SED inference processed 379.27
Local aperture photometry processed 6.25
Validate local photometry processed 0.03
Local host SED inference processed 446.71
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h12m31.02s, 28d23m22.09s
semi major axis, semi minor axis (arcsec):1.94, 1.94
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 25.73 2.36 20.374 0.100 AB
SDSS_g 82.03 2.41 19.115 0.032 AB
DES_g 85.65 0.45 19.068 0.006 AB
PanSTARRS_g 93.23 0.59 18.976 0.007 AB
SDSS_r 154.4 3.38 18.428 0.024 AB
PanSTARRS_r 167.8 0.65 18.338 0.004 AB
DES_r 174.44 1.06 18.296 0.007 AB
SDSS_i 228.65 4.28 18.002 0.020 AB
PanSTARRS_i 244.58 0.7 17.929 0.003 AB
PanSTARRS_z 287.06 1.53 17.755 0.006 AB
DES_z 296.9 4.17 17.718 0.015 AB
PanSTARRS_y 368.76 3.4 17.483 0.010 AB

Aperture details

RA, DEC (J2000):23h12m31.21s, 28d23m19.97s
semi major axis, semi minor axis (arcsec):14.34, 8.01
angle (degrees, anti-clockwise from east):-178.74
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.6 3.95 20.564 0.199 AB
GALEX_NUV 55.16 3.32 19.546 0.065 AB
SDSS_u 262.79 12.09 17.851 0.050 AB
SDSS_g 906.29 8.43 16.507 0.010 AB
DES_g 957.35 1.58 16.447 0.002 AB
PanSTARRS_g 970.05 3.15 16.433 0.004 AB
SDSS_r 1689.92 12.12 15.830 0.008 AB
PanSTARRS_r 1758.43 3.38 15.787 0.002 AB
DES_r 1925.23 3.7 15.689 0.002 AB
SDSS_i 2539.24 16.2 15.388 0.007 AB
PanSTARRS_i 2514.93 3.68 15.399 0.002 AB
PanSTARRS_z 2961.11 8.22 15.221 0.003 AB
DES_z 3178.05 13.91 15.145 0.005 AB
PanSTARRS_y 3703.59 18.64 14.978 0.005 AB
2MASS_J 4571.53 251.73 13.855 0.060 Vega
2MASS_H 6116.8 428.19 13.066 0.076 Vega
2MASS_K 5484.33 446.73 12.714 0.088 Vega
WISE_W1 2860.06 34.39 12.560 0.013 Vega
WISE_W2 1928.13 40.63 12.348 0.023 Vega
WISE_W3 11525.87 154.24 8.572 0.015 Vega
WISE_W4 13468.76 1071.69 6.957 0.086 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.370 9.547 9.695
{\rm log}_{10}({\rm SFR}) -0.928 -0.382 0.207
{\rm log}_{10}({\rm sSFR}) -10.489 -9.906 -9.215
{\rm stellar\ age} 4.918 6.837 8.460

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.374 -0.788 -0.406
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.096 0.181 0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.323 0.646 1.011
\delta -0.690 -0.243 0.122
\tau_1/\tau_2 0.680 1.020 1.369
Q_{PAH} 0.556 1.857 4.449
U_{min} 2.649 7.610 14.464
{\rm log}_{10}(\gamma_e)\, -3.441 -2.367 -1.062

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.947 -1.972 -0.717
{\rm log}_{10}(\tau_{AGN})\, 0.905 1.334 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.929 -0.612 -0.307
0.03-0.10 Gyr -1.011 -0.317 0.328
0.10-0.33 Gyr -1.222 -0.494 0.059
0.33-1.08 Gyr -1.359 -0.608 -0.213
1.08-3.57 Gyr -1.151 -0.513 -0.217
3.57-11.75 Gyr -0.848 -0.403 -0.178
11.75-13.05 Gyr -0.961 -0.309 0.262

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.390 10.472 10.533
{\rm log}_{10}({\rm SFR}) 0.591 0.782 0.987
{\rm log}_{10}({\rm sSFR}) -9.917 -9.689 -9.412
{\rm stellar\ age} 5.894 6.933 7.938

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.365 -0.266 -0.186
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.191 0.317 0.421

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.264 0.361 0.523
\delta -0.831 -0.649 -0.454
\tau_1/\tau_2 0.786 1.097 1.419
Q_{PAH} 1.279 2.076 2.933
U_{min} 2.520 6.917 13.339
{\rm log}_{10}(\gamma_e)\, -2.893 -2.234 -1.838

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.103 -2.210 -1.699
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.425 1.821

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.479 0.586 0.709
0.03-0.10 Gyr 0.624 0.855 1.085
0.10-0.33 Gyr 0.322 0.596 0.858
0.33-1.08 Gyr 0.044 0.342 0.552
1.08-3.57 Gyr 0.194 0.466 0.660
3.57-11.75 Gyr 0.364 0.564 0.695
11.75-13.05 Gyr 0.198 0.614 1.059