2025xtr

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Information

Transient

Name: AT2025xtr
Right ascension: 21h28m29.02s
Declination: 9d58m32.96s
Discovery Date: Sept. 14, 2025, 5:34 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name: 1372819
Right ascension: 21h28m29.03s
Declination: 9d58m32.76s
Redshift: 0.071504
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.38
Cutout download processed 19.62
Global aperture construction processed 0.68
Local aperture photometry processed 6.94
Global aperture photometry processed 6.39
Validate local photometry processed 0.03
Validate global photometry processed 19.71
Host information processed 0.11
Global host SED inference processed 590.85
Local host SED inference processed 487.96
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.18
Processing status completed N/A N/A
 

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) = 21h28m29.02s, 9d58m32.96s
semi major axis, semi minor axis (arcsec) = 1.47, 1.47
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 167.29 3.4 18.341 0.022 AB
DES_g 191.26 0.81 18.196 0.005 AB
PanSTARRS_g 186.73 0.38 18.222 0.002 AB
SDSS_r 329.86 4.75 17.604 0.016 AB
PanSTARRS_r 414.4 0.55 17.356 0.001 AB
DES_r 482.85 1.87 17.190 0.004 AB
SDSS_i 600.93 6.43 16.953 0.012 AB
PanSTARRS_i 633.44 0.62 16.896 0.001 AB
PanSTARRS_z 795.27 1.2 16.649 0.002 AB
SDSS_z 827.69 8.24 16.605 0.011 AB
DES_z 899.55 7.31 16.515 0.009 AB
PanSTARRS_y 939.46 2.79 16.468 0.003 AB

Aperture details

RA, DEC (J2000) = 21h28m29.05s, 9d58m33.25s
semi major axis, semi minor axis (arcsec) = 10.04, 6.95
angle (degrees, anti-clockwise from east) = -86.03

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.38 0.55 23.553 0.437 AB
GALEX_NUV 5.75 0.55 22.000 0.104 AB
SDSS_u 124.55 5.75 18.662 0.050 AB
SDSS_g 567.65 6.9 17.015 0.013 AB
DES_g 628.19 1.58 16.905 0.003 AB
PanSTARRS_g 622.17 1.63 16.915 0.003 AB
SDSS_r 1295.42 10.0 16.119 0.008 AB
PanSTARRS_r 1308.05 2.24 16.108 0.002 AB
DES_r 1431.77 3.44 16.010 0.003 AB
SDSS_i 1905.01 12.59 15.700 0.007 AB
PanSTARRS_i 1927.91 2.82 15.687 0.002 AB
PanSTARRS_z 2440.52 5.97 15.431 0.003 AB
SDSS_z 2486.46 23.73 15.411 0.010 AB
DES_z 2602.75 12.76 15.361 0.005 AB
PanSTARRS_y 2876.13 15.39 15.253 0.006 AB
2MASS_J 3955.1 218.87 14.012 0.060 Vega
2MASS_H 4752.76 388.23 13.340 0.089 Vega
2MASS_K 4076.48 374.65 13.036 0.100 Vega
WISE_W1 1534.25 26.57 13.236 0.019 Vega
WISE_W2 872.03 31.9 13.210 0.040 Vega
WISE_W3 54.19 92.06 14.391 1.845 Vega
WISE_W4 479.53 472.81 10.578 1.070 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.062 10.237 10.367
{\rm log}_{10}({\rm SFR}) -0.205 0.199 0.627
{\rm log}_{10}({\rm sSFR}) -10.498 -10.043 -9.427
{\rm stellar\ age} 4.155 6.644 8.215

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.940 -0.494 -0.214
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.855 -1.482 0.147

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.608 0.855 1.218
\delta -0.911 -0.685 -0.443
\tau_1/\tau_2 0.473 0.816 1.150
Q_{PAH} 0.561 2.274 4.336
U_{min} 2.972 8.236 15.594
{\rm log}_{10}(\gamma_e)\, -2.979 -1.742 -0.813

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.395 -3.265 -1.513
{\rm log}_{10}(\tau_{AGN})\, 0.967 1.471 1.970

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.029 0.237 0.534
0.03-0.10 Gyr -0.474 0.168 0.675
0.10-0.33 Gyr -0.681 0.046 0.640
0.33-1.07 Gyr -0.662 0.117 0.559
1.07-3.52 Gyr -0.583 0.216 0.500
3.52-11.53 Gyr -0.306 0.296 0.529
11.53-12.81 Gyr -0.465 0.315 0.922

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.840 10.949 11.007
{\rm log}_{10}({\rm SFR}) -5.174 -1.997 -0.427
{\rm log}_{10}({\rm sSFR}) -16.072 -12.944 -11.316
{\rm stellar\ age} 7.557 11.813 12.164

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.705 -1.240 -0.882
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.455 -0.471 0.245

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.284 0.461 0.640
\delta -0.805 -0.509 -0.340
\tau_1/\tau_2 0.470 0.969 1.456
Q_{PAH} 0.640 2.229 4.094
U_{min} 3.514 10.389 18.492
{\rm log}_{10}(\gamma_e)\, -3.030 -1.803 -1.000

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.546 -3.742 -2.754
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.575 1.955

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.782 -3.532 -1.470
0.03-0.10 Gyr -5.785 -2.235 -0.287
0.10-0.33 Gyr -5.972 -2.927 -0.714
0.33-1.07 Gyr -6.430 -3.611 -1.326
1.07-3.52 Gyr -4.353 -2.453 -0.625
3.52-11.53 Gyr -2.043 -0.048 1.150
11.53-12.81 Gyr 0.159 2.076 2.152