2025khd

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Information

Transient

Name: AT2025khd
Right ascension: 10h36m13.29s
Declination: 3d38m57.62s
Discovery Date: May 8, 2025, 4:42 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name: 2025khd
Right ascension: 10h36m13.27s
Declination: 3d39m02.19s
Redshift: 0.052045
Photometric Redshift: 0.079
 

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 2.45
Cutout download processed 18.57
Global aperture construction processed 0.68
Local aperture photometry processed 7.27
Global aperture photometry processed 7.78
Validate local photometry processed 0.03
Validate global photometry processed 20.13
Host information processed 0.1
Global host SED inference processed 384.9
Local host SED inference processed 427.51
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
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) = 10h36m13.29s, 3d38m57.62s
semi major axis, semi minor axis (arcsec) = 1.97, 1.97
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 7.27 1.6 21.746 0.239 AB
SDSS_g 19.63 1.34 20.668 0.074 AB
DES_g 22.95 0.2 20.498 0.009 AB
PanSTARRS_g 20.43 0.4 20.624 0.021 AB
SDSS_r 27.62 1.6 20.297 0.063 AB
PanSTARRS_r 27.94 0.56 20.285 0.022 AB
DES_r 34.18 0.49 20.066 0.016 AB
SDSS_i 39.04 2.2 19.921 0.061 AB
PanSTARRS_i 34.49 0.48 20.056 0.015 AB
PanSTARRS_z 41.6 1.08 19.852 0.028 AB
SDSS_z 44.59 4.5 19.777 0.110 AB
DES_z 45.82 1.14 19.747 0.027 AB
PanSTARRS_y 46.6 3.11 19.729 0.073 AB

Aperture details

RA, DEC (J2000) = 10h36m13.25s, 3d39m02.37s
semi major axis, semi minor axis (arcsec) = 14.68, 10.65
angle (degrees, anti-clockwise from east) = -72.8

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 55.22 2.2 19.545 0.043 AB
GALEX_NUV 72.49 1.61 19.249 0.024 AB
SDSS_u 138.34 9.82 18.548 0.077 AB
SDSS_g 428.13 7.08 17.321 0.018 AB
DES_g 481.94 1.04 17.193 0.002 AB
PanSTARRS_g 473.23 2.51 17.212 0.006 AB
SDSS_r 639.09 8.62 16.886 0.015 AB
PanSTARRS_r 678.16 3.5 16.822 0.006 AB
DES_r 757.11 2.51 16.702 0.004 AB
SDSS_i 886.35 12.36 16.531 0.015 AB
PanSTARRS_i 858.61 3.02 16.566 0.004 AB
PanSTARRS_z 978.47 6.77 16.424 0.008 AB
SDSS_z 1026.18 27.85 16.372 0.029 AB
DES_z 1056.38 5.87 16.340 0.006 AB
PanSTARRS_y 978.21 19.71 16.424 0.022 AB
2MASS_J 853.82 345.66 15.677 0.440 Vega
2MASS_H 766.22 474.97 15.322 0.673 Vega
2MASS_K 982.58 603.31 14.581 0.667 Vega
WISE_W1 607.95 24.86 14.241 0.044 Vega
WISE_W2 333.27 31.32 14.254 0.102 Vega
WISE_W3 935.91 171.63 11.298 0.199 Vega
WISE_W4 1022.3 738.59 9.756 0.784 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})\, 8.230 8.474 8.605
{\rm log}_{10}({\rm SFR}) -1.577 -1.086 -0.553
{\rm log}_{10}({\rm sSFR}) -10.152 -9.552 -8.804
{\rm stellar\ age} 2.887 5.856 7.343

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.006 -0.403 -0.027
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.556 -1.105 -0.239

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.156 0.441 0.834
\delta -0.681 -0.223 0.147
\tau_1/\tau_2 0.627 0.962 1.342
Q_{PAH} 1.203 3.013 5.558
U_{min} 2.872 8.128 15.122
{\rm log}_{10}(\gamma_e)\, -2.982 -2.024 -1.080

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.768 -0.754 -0.140
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.479 1.963

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.560 -1.170 -0.834
0.03-0.10 Gyr -1.772 -1.077 -0.461
0.10-0.33 Gyr -1.888 -1.246 -0.767
0.33-1.08 Gyr -2.106 -1.404 -1.018
1.08-3.57 Gyr -2.151 -1.501 -1.236
3.57-11.76 Gyr -2.306 -1.547 -1.290
11.76-13.06 Gyr -2.513 -1.622 -1.066

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.924 9.982 10.045
{\rm log}_{10}({\rm SFR}) -0.435 -0.272 -0.096
{\rm log}_{10}({\rm sSFR}) -10.438 -10.258 -10.082
{\rm stellar\ age} 6.806 7.566 8.714

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.971 -0.815 -0.695
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.771 -1.656 -1.525

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.152 0.246
\delta -0.566 -0.198 0.128
\tau_1/\tau_2 0.520 0.863 1.210
Q_{PAH} 0.845 2.243 4.437
U_{min} 2.954 8.006 14.808
{\rm log}_{10}(\gamma_e)\, -2.923 -1.991 -1.340

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.415 -3.499 -2.588
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.579 1.960

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.331 -0.227 -0.119
0.03-0.10 Gyr -0.563 -0.287 -0.045
0.10-0.33 Gyr -0.655 -0.331 -0.056
0.33-1.08 Gyr -0.764 -0.398 -0.150
1.08-3.57 Gyr -0.563 -0.170 0.058
3.57-11.76 Gyr -0.022 0.127 0.226
11.76-13.06 Gyr -0.150 0.246 0.682