2025xkd

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Information

Transient

Name: AT2025xkd
Right ascension: 1h37m21.38s
Declination: 0d37m12.84s
Discovery Date: Sept. 12, 2025, 7:27 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name:
Right ascension: 1h37m21.31s
Declination: 0d37m12.87s
Redshift: None
Photometric Redshift: 0.152
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.51
Transient MWEBV processed 0.04
Host match processed 10.6
Host information processed 0.13
Host MWEBV processed 0.06
Global aperture construction processed 0.67
Global aperture photometry processed 1.36
Validate global photometry processed 7.12
Global host SED inference processed 622.31
Local aperture photometry processed 1.43
Validate local photometry no valid phot 0.01
Local host SED inference not processed None
 

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) = 1h37m21.38s, 0d37m12.84s
semi major axis, semi minor axis (arcsec) = 0.76, 0.76
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 1h37m21.31s, 0d37m13.25s
semi major axis, semi minor axis (arcsec) = 2.61, 2.12
angle (degrees, anti-clockwise from east) = -23.4

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.45 0.33 23.499 0.250 AB
GALEX_NUV 2.33 0.32 22.979 0.147 AB
PanSTARRS_g 13.43 0.57 21.080 0.046 AB
2MASS_J 14.66 78.36 20.090 5.803 Vega
2MASS_H 168.59 119.26 16.965 0.768 Vega
2MASS_K 138.99 121.61 16.705 0.950 Vega
WISE_W1 10.04 7.65 18.697 0.827 Vega
WISE_W2 0.76 11.8 20.853 16.766 Vega
WISE_W3 -23.99 54.89 Vega
WISE_W4 -222.56 304.01 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.708 9.160 9.478
{\rm log}_{10}({\rm SFR}) -0.347 0.087 0.475
{\rm log}_{10}({\rm sSFR}) -9.726 -9.047 -8.272
{\rm stellar\ age} 0.454 4.184 6.596

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.557 -0.672 -0.032
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.147 -0.367 0.077

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.383 0.707 1.102
\delta -0.337 -0.056 0.122
\tau_1/\tau_2 0.682 1.123 1.530
Q_{PAH} 0.772 2.734 5.037
U_{min} 3.287 9.109 16.207
{\rm log}_{10}(\gamma_e)\, -2.877 -1.379 -0.434

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.717 -1.201 -0.189
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.426 1.866

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.544 0.111 0.482
0.03-0.10 Gyr -0.762 -0.025 0.503
0.10-0.32 Gyr -1.208 -0.317 0.223
0.32-1.03 Gyr -2.184 -0.785 -0.248
1.03-3.32 Gyr -3.057 -0.967 -0.479
3.32-10.66 Gyr -3.407 -1.060 -0.440
10.66-11.84 Gyr -3.545 -1.088 -0.237