2025khb

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Information

Transient

Name: AT2025khb
Right ascension: 7h45m43.19s
Declination: 31d00m34.26s
Discovery Date: May 9, 2025, 4:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name: 2025khb
Right ascension: 7h45m43.25s
Declination: 31d00m31.12s
Redshift: 0.062107
Photometric Redshift: 0.064
 

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 2.11
Cutout download processed 17.61
Global aperture construction processed 0.81
Local aperture photometry processed 8.06
Global aperture photometry processed 8.0
Validate local photometry processed 0.02
Validate global photometry processed 21.14
Host information processed 0.09
Global host SED inference processed 366.33
Local host SED inference processed 432.97
Transient information processed 0.0
Transient MWEBV processed 0.06
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) = 7h45m43.19s, 31d00m34.26s
semi major axis, semi minor axis (arcsec) = 1.67, 1.67
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 8.97 1.27 21.517 0.153 AB
SDSS_g 45.02 1.8 19.767 0.043 AB
DES_g 47.75 0.53 19.703 0.012 AB
PanSTARRS_g 56.25 0.48 19.525 0.009 AB
SDSS_r 109.16 2.8 18.805 0.028 AB
PanSTARRS_r 123.72 0.44 18.669 0.004 AB
DES_r 120.97 1.21 18.693 0.011 AB
SDSS_i 178.92 3.68 18.268 0.022 AB
PanSTARRS_i 201.51 0.71 18.139 0.004 AB
PanSTARRS_z 243.36 1.36 17.934 0.006 AB
SDSS_z 258.15 5.83 17.870 0.025 AB
DES_z 274.27 4.1 17.805 0.016 AB
PanSTARRS_y 310.74 2.71 17.669 0.009 AB

Aperture details

RA, DEC (J2000) = 7h45m43.25s, 31d00m31.30s
semi major axis, semi minor axis (arcsec) = 14.89, 4.46
angle (degrees, anti-clockwise from east) = -18.81

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.65 0.63 22.232 0.146 AB
GALEX_NUV 6.27 0.61 21.907 0.105 AB
SDSS_u 59.85 5.6 19.457 0.102 AB
SDSS_g 401.96 5.69 17.390 0.015 AB
DES_g 439.32 1.64 17.293 0.004 AB
PanSTARRS_g 453.78 2.25 17.258 0.005 AB
SDSS_r 953.46 8.72 16.452 0.010 AB
PanSTARRS_r 978.66 2.03 16.423 0.002 AB
DES_r 1074.85 3.63 16.322 0.004 AB
SDSS_i 1520.0 11.77 15.945 0.008 AB
PanSTARRS_i 1533.35 3.29 15.936 0.002 AB
PanSTARRS_z 1907.89 6.38 15.699 0.004 AB
SDSS_z 2058.86 23.2 15.616 0.012 AB
DES_z 2261.52 12.02 15.514 0.006 AB
PanSTARRS_y 2483.69 12.96 15.412 0.006 AB
2MASS_J 3991.6 164.33 14.002 0.045 Vega
2MASS_H 5161.46 251.91 13.250 0.053 Vega
2MASS_K 4853.34 285.16 12.847 0.064 Vega
WISE_W1 2208.11 32.22 12.841 0.016 Vega
WISE_W2 1364.52 38.96 12.724 0.031 Vega
WISE_W3 2762.06 143.0 10.123 0.056 Vega
WISE_W4 2158.66 681.17 8.945 0.343 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})\, 9.761 9.892 10.036
{\rm log}_{10}({\rm SFR}) -1.002 -0.408 0.106
{\rm log}_{10}({\rm sSFR}) -10.955 -10.325 -9.689
{\rm stellar\ age} 6.724 8.010 11.490

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.544 -1.071 -0.643
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.254 -0.221 0.157

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.934 1.325 1.607
\delta -0.414 -0.194 0.077
\tau_1/\tau_2 0.677 1.036 1.371
Q_{PAH} 0.832 2.184 4.671
U_{min} 2.732 7.888 15.156
{\rm log}_{10}(\gamma_e)\, -3.528 -2.557 -1.240

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.064 -2.372 -0.851
{\rm log}_{10}(\tau_{AGN})\, 0.980 1.418 1.866

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.975 -0.410 0.020
0.03-0.10 Gyr -1.425 -0.476 0.161
0.10-0.33 Gyr -2.180 -0.793 -0.149
0.33-1.08 Gyr -2.574 -0.914 -0.272
1.08-3.54 Gyr -2.499 -0.702 -0.113
3.54-11.64 Gyr -0.823 -0.061 0.149
11.64-12.93 Gyr -0.400 0.314 1.068

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.613 10.703 10.761
{\rm log}_{10}({\rm SFR}) -1.233 -0.850 -0.503
{\rm log}_{10}({\rm sSFR}) -11.967 -11.543 -11.125
{\rm stellar\ age} 6.619 7.685 9.241

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.245 -0.097 0.035
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.559 -0.476 0.230

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.351 0.456 0.587
\delta -0.513 -0.286 -0.041
\tau_1/\tau_2 0.264 0.603 0.974
Q_{PAH} 1.281 2.651 4.364
U_{min} 2.438 7.660 15.342
{\rm log}_{10}(\gamma_e)\, -2.804 -1.857 -1.120

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.362 -3.355 -2.316
{\rm log}_{10}(\tau_{AGN})\, 0.972 1.442 1.851

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.767 -0.420 -0.099
0.03-0.10 Gyr -3.811 -1.683 -0.891
0.10-0.33 Gyr -3.368 -1.549 -0.794
0.33-1.08 Gyr -1.953 -0.862 -0.115
1.08-3.54 Gyr -0.711 0.438 0.885
3.54-11.64 Gyr 0.524 0.852 0.993
11.64-12.93 Gyr 0.174 0.890 1.503