2025umj

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Information

Transient

Name: AT2025umj
Right ascension: 22h12m20.18s
Declination: -0d34m27.12s
Discovery Date: Aug. 17, 2025, 11:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.079

Host

Name: J221220.22-003427.5
Right ascension: 22h12m20.22s
Declination: -0d34m27.52s
Redshift: 0.090342
Photometric Redshift: 0.090
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 30.45
Transient MWEBV processed 0.06
Host match processed 4.1
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 6.68
Validate global photometry processed 17.96
Global host SED inference processed 368.77
Local aperture photometry processed 7.54
Validate local photometry processed 0.03
Local host SED inference processed 543.46
 

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) = 22h12m20.18s, -0d34m27.12s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 51.32 0.22 19.624 0.005 AB
DES_r 125.64 0.4 18.652 0.003 AB
PanSTARRS_i 174.7 0.37 18.294 0.002 AB
PanSTARRS_z 224.47 0.96 18.022 0.005 AB
DES_z 246.09 1.37 17.922 0.006 AB
PanSTARRS_y 240.46 2.97 17.947 0.013 AB

Aperture details

RA, DEC (J2000) = 22h12m20.22s, -0d34m27.30s
semi major axis, semi minor axis (arcsec) = 6.68, 4.05
angle (degrees, anti-clockwise from east) = -105.56

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.69 0.36 22.221 0.084 AB
GALEX_NUV 10.24 0.13 21.374 0.013 AB
SDSS_u 46.69 5.13 19.727 0.119 AB
SDSS_g 202.12 3.99 18.136 0.021 AB
DES_g 210.19 0.49 18.093 0.003 AB
PanSTARRS_g 214.01 1.14 18.074 0.006 AB
SDSS_r 424.55 5.9 17.330 0.015 AB
PanSTARRS_r 418.71 1.26 17.345 0.003 AB
DES_r 468.65 0.82 17.223 0.002 AB
SDSS_i 659.37 7.97 16.852 0.013 AB
PanSTARRS_i 649.97 1.44 16.868 0.002 AB
PanSTARRS_z 801.22 3.94 16.641 0.005 AB
SDSS_z 939.29 17.12 16.468 0.020 AB
DES_z 878.79 2.72 16.540 0.003 AB
PanSTARRS_y 1031.81 12.78 16.366 0.013 AB
2MASS_J 1107.73 162.34 15.394 0.159 Vega
2MASS_H 1644.16 244.59 14.493 0.162 Vega
2MASS_K 2631.99 269.32 13.511 0.111 Vega
WISE_W1 671.01 18.33 14.134 0.030 Vega
WISE_W2 469.39 22.23 13.882 0.051 Vega
WISE_W3 1721.53 88.93 10.636 0.056 Vega
WISE_W4 1775.05 572.42 9.157 0.350 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.017 10.146 10.274
{\rm log}_{10}({\rm SFR}) -2.942 -1.302 -0.438
{\rm log}_{10}({\rm sSFR}) -13.026 -11.427 -10.515
{\rm stellar\ age} 7.223 8.742 11.863

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.626 -1.169 -0.762
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.699 -0.871 0.107

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.377 0.671 1.005
\delta -0.553 -0.190 0.191
\tau_1/\tau_2 0.578 0.996 1.415
Q_{PAH} 1.033 3.219 5.607
U_{min} 3.310 8.985 16.387
{\rm log}_{10}(\gamma_e)\, -3.279 -2.285 -0.607

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.865 -0.945 -0.493
{\rm log}_{10}(\tau_{AGN})\, 1.012 1.517 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.703 -1.516 -0.690
0.03-0.10 Gyr -3.604 -1.397 -0.363
0.10-0.33 Gyr -3.911 -1.441 -0.432
0.33-1.06 Gyr -4.517 -1.572 -0.417
1.06-3.47 Gyr -3.711 -1.291 -0.064
3.47-11.32 Gyr -1.551 0.119 0.380
11.32-12.57 Gyr -0.133 0.812 1.369

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.527 10.560 10.608
{\rm log}_{10}({\rm SFR}) -0.020 0.209 0.466
{\rm log}_{10}({\rm sSFR}) -10.588 -10.355 -10.096
{\rm stellar\ age} 7.271 7.937 9.815

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.474 -0.320 -0.218
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.135 0.276 0.394

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.199 0.266 0.393
\delta -0.911 -0.732 -0.499
\tau_1/\tau_2 0.839 1.191 1.540
Q_{PAH} 0.706 1.932 3.625
U_{min} 2.314 6.941 13.546
{\rm log}_{10}(\gamma_e)\, -2.820 -1.496 -0.710

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.197 -3.092 -2.093
{\rm log}_{10}(\tau_{AGN})\, 1.128 1.603 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.070 0.060 0.173
0.03-0.10 Gyr -0.044 0.263 0.571
0.10-0.33 Gyr -0.259 0.064 0.339
0.33-1.06 Gyr -0.522 -0.150 0.095
1.06-3.47 Gyr -0.480 -0.023 0.306
3.47-11.32 Gyr 0.469 0.746 0.824
11.32-12.57 Gyr 0.502 0.983 1.527