2025knf

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Information

Transient

Name: AT2025knf
Right ascension: 23h05m25.74s
Declination: 4d26m56.16s
Discovery Date: May 14, 2025, 3:16 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name: 2025knf
Right ascension: 23h05m25.80s
Declination: 4d26m54.51s
Redshift: None
Photometric Redshift: 0.047
 

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 2.13
Cutout download processed 16.68
Global aperture construction processed 0.64
Local aperture photometry processed 7.55
Global aperture photometry processed 7.89
Validate local photometry processed 0.02
Validate global photometry processed 19.74
Host information processed 0.08
Global host SED inference processed 416.63
Local host SED inference processed 536.47
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.06
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) = 23h05m25.74s, 4d26m56.16s
semi major axis, semi minor axis (arcsec) = 2.16, 2.16
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 72.73 2.65 19.246 0.040 AB
SDSS_g 162.03 3.35 18.376 0.022 AB
DES_g 160.31 0.62 18.388 0.004 AB
PanSTARRS_g 175.8 0.55 18.287 0.003 AB
SDSS_r 213.85 3.91 18.075 0.020 AB
PanSTARRS_r 230.16 0.67 17.995 0.003 AB
DES_r 231.78 1.23 17.987 0.006 AB
SDSS_i 271.27 4.52 17.816 0.018 AB
PanSTARRS_i 306.15 0.65 17.685 0.002 AB
PanSTARRS_z 317.69 1.39 17.645 0.005 AB
SDSS_z 305.56 7.78 17.687 0.028 AB
DES_z 286.25 2.9 17.758 0.011 AB
PanSTARRS_y 356.2 3.57 17.521 0.011 AB

Aperture details

RA, DEC (J2000) = 23h05m25.81s, 4d26m54.80s
semi major axis, semi minor axis (arcsec) = 14.07, 7.68
angle (degrees, anti-clockwise from east) = -102.59

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 182.73 8.94 18.245 0.053 AB
SDSS_u 388.95 8.95 17.425 0.025 AB
SDSS_g 773.06 7.71 16.679 0.011 AB
DES_g 777.91 1.47 16.673 0.002 AB
PanSTARRS_g 768.8 2.4 16.685 0.003 AB
SDSS_r 954.16 9.28 16.451 0.011 AB
PanSTARRS_r 971.73 2.97 16.431 0.003 AB
DES_r 1093.66 2.88 16.303 0.003 AB
SDSS_i 1229.46 11.63 16.176 0.010 AB
PanSTARRS_i 1258.88 2.95 16.150 0.003 AB
PanSTARRS_z 1278.21 6.5 16.133 0.006 AB
SDSS_z 1244.3 32.02 16.163 0.028 AB
PanSTARRS_y 1453.04 17.05 15.994 0.013 AB
2MASS_J 1375.74 255.65 15.159 0.202 Vega
2MASS_H 2420.57 413.38 14.073 0.185 Vega
2MASS_K 1120.85 417.9 14.438 0.405 Vega
WISE_W1 840.76 22.35 13.889 0.029 Vega
WISE_W2 526.31 27.15 13.758 0.056 Vega
WISE_W3 2189.38 135.42 10.375 0.067 Vega
WISE_W4 3863.67 823.8 8.312 0.231 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})\, 9.196 9.356 9.472
{\rm log}_{10}({\rm SFR}) -0.685 -0.083 0.598
{\rm log}_{10}({\rm sSFR}) -10.074 -9.449 -8.763
{\rm stellar\ age} 2.811 6.686 8.401

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.844 -1.561 -1.143
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.728 -0.403 0.233

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.162 0.436 1.035
\delta -0.619 -0.225 0.086
\tau_1/\tau_2 0.717 1.115 1.488
Q_{PAH} 0.387 1.380 3.596
U_{min} 2.888 8.535 16.249
{\rm log}_{10}(\gamma_e)\, -3.417 -2.457 -1.291

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.043 -1.878 -0.425
{\rm log}_{10}(\tau_{AGN})\, 0.955 1.339 1.861

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.204 -0.869 -0.514
0.03-0.10 Gyr -0.603 0.051 0.747
0.10-0.33 Gyr -1.279 -0.460 0.128
0.33-1.09 Gyr -1.996 -0.859 -0.409
1.09-3.58 Gyr -2.021 -0.833 -0.451
3.58-11.81 Gyr -1.985 -0.640 -0.398
11.81-13.13 Gyr -2.047 -0.584 0.098

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.472 9.725 9.872
{\rm log}_{10}({\rm SFR}) 0.229 0.469 0.856
{\rm log}_{10}({\rm sSFR}) -9.570 -9.294 -8.644
{\rm stellar\ age} 3.830 5.868 7.293

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.668 -0.392 -0.227
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.603 0.214 0.387

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.062 0.142 0.273
\delta -0.677 -0.296 0.153
\tau_1/\tau_2 0.588 0.963 1.326
Q_{PAH} 0.549 1.446 3.287
U_{min} 2.314 7.059 13.873
{\rm log}_{10}(\gamma_e)\, -3.420 -2.575 -1.433

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.019 -2.998 -2.207
{\rm log}_{10}(\tau_{AGN})\, 0.938 1.352 1.852

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.065 0.041 0.158
0.03-0.10 Gyr 0.299 0.585 0.995
0.10-0.33 Gyr -0.654 0.115 0.405
0.33-1.09 Gyr -0.928 -0.216 0.106
1.09-3.58 Gyr -0.757 -0.228 0.014
3.58-11.81 Gyr -0.853 -0.289 -0.027
11.81-13.13 Gyr -1.019 -0.291 0.202