2025xtt

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Information

Transient

Name: AT2025xtt
Right ascension: 14h25m45.39s
Declination: 4d38m13.33s
Discovery Date: Sept. 16, 2025, 2:49 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name: 1271027
Right ascension: 14h25m45.49s
Declination: 4d38m12.09s
Redshift: 0.053816
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 3.91
Cutout download processed 18.63
Global aperture construction processed 0.66
Local aperture photometry processed 6.44
Global aperture photometry processed 6.02
Validate local photometry processed 0.03
Validate global photometry processed 17.51
Host information processed 0.12
Global host SED inference processed 380.23
Local host SED inference processed 441.78
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.04
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) = 14h25m45.39s, 4d38m13.33s
semi major axis, semi minor axis (arcsec) = 1.91, 1.91
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 17.69 1.8 20.781 0.111 AB
SDSS_g 78.33 2.35 19.165 0.033 AB
DES_g 81.04 0.52 19.128 0.007 AB
PanSTARRS_g 87.93 0.48 19.040 0.006 AB
SDSS_r 142.53 3.19 18.515 0.024 AB
PanSTARRS_r 163.8 0.61 18.364 0.004 AB
DES_r 167.65 1.02 18.339 0.007 AB
SDSS_i 190.59 3.77 18.200 0.021 AB
PanSTARRS_i 226.89 0.83 18.010 0.004 AB
PanSTARRS_z 262.44 1.4 17.852 0.006 AB
SDSS_z 269.31 7.72 17.824 0.031 AB
DES_z 278.74 3.01 17.787 0.012 AB
PanSTARRS_y 332.73 3.4 17.595 0.011 AB

Aperture details

RA, DEC (J2000) = 14h25m45.49s, 4d38m12.80s
semi major axis, semi minor axis (arcsec) = 12.1, 5.21
angle (degrees, anti-clockwise from east) = -139.66

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 28.13 1.25 20.277 0.048 AB
GALEX_NUV 40.24 0.94 19.888 0.025 AB
SDSS_u 111.13 6.82 18.785 0.067 AB
SDSS_g 443.93 5.86 17.282 0.014 AB
DES_g 369.48 1.21 17.481 0.004 AB
PanSTARRS_g 442.82 1.9 17.284 0.005 AB
SDSS_r 725.93 7.73 16.748 0.012 AB
PanSTARRS_r 754.63 2.37 16.706 0.003 AB
DES_r 696.64 2.26 16.792 0.004 AB
SDSS_i 1001.01 9.55 16.399 0.010 AB
PanSTARRS_i 1024.82 3.31 16.373 0.004 AB
PanSTARRS_z 1195.66 5.69 16.206 0.005 AB
SDSS_z 1319.31 28.5 16.099 0.023 AB
DES_z 1109.62 6.42 16.287 0.006 AB
PanSTARRS_y 1495.79 13.97 15.963 0.010 AB
2MASS_J 1627.77 241.4 14.976 0.161 Vega
2MASS_H 1929.82 281.86 14.319 0.159 Vega
2MASS_K 2294.61 415.23 13.660 0.196 Vega
WISE_W1 845.66 19.49 13.883 0.025 Vega
WISE_W2 508.59 22.31 13.795 0.048 Vega
WISE_W3 1621.59 75.54 10.701 0.051 Vega
WISE_W4 1456.16 506.17 9.372 0.377 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})\, 9.428 9.552 9.691
{\rm log}_{10}({\rm SFR}) -1.338 -0.748 -0.257
{\rm log}_{10}({\rm sSFR}) -10.929 -10.337 -9.778
{\rm stellar\ age} 5.346 7.143 8.971

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.511 -0.868 -0.430
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.142 0.162 0.373

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.372 0.727 1.147
\delta -0.579 -0.256 0.094
\tau_1/\tau_2 0.671 0.985 1.308
Q_{PAH} 0.763 2.419 4.827
U_{min} 2.785 7.761 14.315
{\rm log}_{10}(\gamma_e)\, -3.183 -1.783 -0.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.852 -1.842 -0.869
{\rm log}_{10}(\tau_{AGN})\, 0.945 1.332 1.850

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.256 -0.754 -0.362
0.03-0.10 Gyr -1.608 -0.776 -0.197
0.10-0.33 Gyr -1.538 -0.744 -0.167
0.33-1.08 Gyr -1.441 -0.687 -0.200
1.08-3.57 Gyr -1.215 -0.519 -0.227
3.57-11.73 Gyr -0.811 -0.371 -0.172
11.73-13.04 Gyr -0.869 -0.273 0.362

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.162 10.207 10.279
{\rm log}_{10}({\rm SFR}) -0.385 -0.148 0.102
{\rm log}_{10}({\rm sSFR}) -10.616 -10.361 -10.104
{\rm stellar\ age} 7.441 8.137 10.408

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.822 -0.617 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.001 0.211 0.364

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.209 0.311 0.456
\delta -0.297 -0.062 0.135
\tau_1/\tau_2 0.548 0.888 1.219
Q_{PAH} 0.733 2.048 3.965
U_{min} 2.740 7.930 15.405
{\rm log}_{10}(\gamma_e)\, -2.567 -1.778 -1.044

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.378 -3.412 -2.433
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.591 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.895 -0.545 -0.369
0.03-0.10 Gyr -0.345 -0.049 0.244
0.10-0.33 Gyr -0.579 -0.193 0.073
0.33-1.08 Gyr -0.859 -0.400 -0.143
1.08-3.57 Gyr -1.004 -0.345 0.008
3.57-11.73 Gyr 0.054 0.367 0.461
11.73-13.04 Gyr 0.091 0.603 1.218