2025xjm

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Information

Transient

Name: AT2025xjm
Right ascension: 19h49m42.93s
Declination: -23d39m34.68s
Discovery Date: Sept. 9, 2025, 4:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.083

Host

Name: 798517
Right ascension: 19h49m42.92s
Declination: -23d39m33.00s
Redshift: 0.044171
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.25
Transient MWEBV processed 0.04
Host match processed 4.7
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 1.03
Global aperture photometry processed 3.88
Validate global photometry processed 11.36
Global host SED inference processed 1921.23
Local aperture photometry processed 4.15
Validate local photometry processed 0.02
Local host SED inference processed 513.92
 

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) = 19h49m42.93s, -23d39m34.68s
semi major axis, semi minor axis (arcsec) = 2.3, 2.3
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 205.69 0.67 18.117 0.004 AB
PanSTARRS_r 491.18 0.81 17.172 0.002 AB
PanSTARRS_i 786.82 0.85 16.660 0.001 AB
PanSTARRS_z 1104.92 1.89 16.292 0.002 AB
PanSTARRS_y 1457.43 4.95 15.991 0.004 AB

Aperture details

RA, DEC (J2000) = 19h49m42.94s, -23d39m33.99s
semi major axis, semi minor axis (arcsec) = 30.41, 6.66
angle (degrees, anti-clockwise from east) = -166.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 30.09 6.31 20.204 0.228 AB
GALEX_NUV 188.21 6.27 18.213 0.036 AB
PanSTARRS_g 10325.38 4.26 13.865 0.000 AB
PanSTARRS_r 15572.67 4.88 13.419 0.000 AB
PanSTARRS_i 18648.3 5.03 13.223 0.000 AB
PanSTARRS_y 24735.8 30.05 12.917 0.001 AB
2MASS_H 27807.57 694.4 11.422 0.027 Vega
WISE_W3 10943.43 241.02 8.628 0.024 Vega
WISE_W4 17962.86 1583.28 6.644 0.096 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})\, 9.917 10.142 10.294
{\rm log}_{10}({\rm SFR}) -1.643 -0.384 0.512
{\rm log}_{10}({\rm sSFR}) -11.860 -10.528 -9.472
{\rm stellar\ age} 3.287 6.981 9.447

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.706 -0.276 0.024
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.495 -0.236 0.255

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.647 1.240 1.695
\delta -0.656 -0.348 0.040
\tau_1/\tau_2 0.633 1.006 1.417
Q_{PAH} 0.911 2.508 4.661
U_{min} 2.796 8.016 15.797
{\rm log}_{10}(\gamma_e)\, -3.398 -2.092 -0.970

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.372 -3.090 -0.922
{\rm log}_{10}(\tau_{AGN})\, 1.034 1.530 1.987

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.649 -0.330 0.327
0.03-0.10 Gyr -2.326 -0.554 0.515
0.10-0.33 Gyr -2.014 -0.475 0.506
0.33-1.09 Gyr -1.948 -0.275 0.441
1.09-3.59 Gyr -1.726 -0.066 0.418
3.59-11.85 Gyr -1.342 0.088 0.411
11.85-13.17 Gyr -1.195 0.196 0.999

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.856 11.025 11.308
{\rm log}_{10}({\rm SFR}) -5.304 -2.288 -0.565
{\rm log}_{10}({\rm sSFR}) -16.249 -13.408 -11.558
{\rm stellar\ age} 1.147 2.746 7.765

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.548 -0.931 -0.550
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.465 -0.702 0.082

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.048 0.152 0.381
\delta -0.953 -0.814 -0.320
\tau_1/\tau_2 0.361 0.872 1.424
Q_{PAH} 0.586 2.260 5.569
U_{min} 3.671 10.879 18.784
{\rm log}_{10}(\gamma_e)\, -3.326 -1.983 -0.658

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.655 -3.937 -2.597
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.535 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.488 -2.873 -0.460
0.03-0.10 Gyr -5.860 -3.249 -0.910
0.10-0.33 Gyr -4.379 -2.113 -0.472
0.33-1.09 Gyr -2.419 0.079 2.077
1.09-3.59 Gyr -1.195 1.017 1.784
3.59-11.85 Gyr -2.453 -0.240 1.567
11.85-13.17 Gyr -3.434 -0.760 1.452