2025kna

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Information

Transient

Name: AT2025kna
Right ascension: 22h49m24.17s
Declination: 4d21m51.66s
Discovery Date: May 13, 2025, 2:07 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name: 2025kna
Right ascension: 22h49m24.16s
Declination: 4d21m51.36s
Redshift: None
Photometric Redshift: 0.057
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.16
Transient MWEBV processed 0.09
Host match processed 3.4
Host information processed 0.15
Host MWEBV processed 0.1
Global aperture construction processed 0.72
Global aperture photometry processed 7.09
Validate global photometry processed 20.98
Global host SED inference processed 551.89
Local aperture photometry processed 7.6
Validate local photometry processed 0.03
Local host SED inference processed 440.24
 

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) = 22h49m24.17s, 4d21m51.66s
semi major axis, semi minor axis (arcsec) = 1.81, 1.81
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 17.23 1.96 20.809 0.124 AB
SDSS_g 44.13 1.79 19.788 0.044 AB
DES_g 46.86 0.33 19.723 0.008 AB
PanSTARRS_g 43.1 0.46 19.814 0.011 AB
SDSS_r 74.46 2.4 19.220 0.035 AB
PanSTARRS_r 65.34 0.48 19.362 0.008 AB
DES_r 74.37 0.74 19.221 0.011 AB
SDSS_i 92.99 2.8 18.979 0.033 AB
PanSTARRS_i 84.06 0.41 19.089 0.005 AB
PanSTARRS_z 97.41 1.6 18.929 0.018 AB
SDSS_z 103.14 5.96 18.866 0.063 AB
DES_z 112.15 1.68 18.775 0.016 AB
PanSTARRS_y 116.12 3.56 18.738 0.033 AB

Aperture details

RA, DEC (J2000) = 22h49m24.11s, 4d21m52.12s
semi major axis, semi minor axis (arcsec) = 15.85, 4.11
angle (degrees, anti-clockwise from east) = -50.36

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 19.09 3.1 20.698 0.176 AB
GALEX_NUV 25.9 2.53 20.367 0.106 AB
SDSS_u 120.05 8.11 18.702 0.073 AB
SDSS_g 206.9 4.4 18.111 0.023 AB
DES_g 118.66 0.71 18.714 0.007 AB
PanSTARRS_g 208.09 1.97 18.104 0.010 AB
SDSS_r 328.04 6.15 17.610 0.020 AB
PanSTARRS_r 315.87 2.07 17.651 0.007 AB
DES_r 192.53 1.44 18.189 0.008 AB
SDSS_i 436.04 7.9 17.301 0.020 AB
PanSTARRS_i 384.22 1.78 17.439 0.005 AB
PanSTARRS_z 409.52 6.98 17.369 0.019 AB
SDSS_z 322.15 24.53 17.630 0.083 AB
DES_z 270.36 3.25 17.820 0.013 AB
PanSTARRS_y 503.7 15.67 17.145 0.034 AB
2MASS_J 568.57 201.18 16.118 0.384 Vega
2MASS_H 631.61 336.0 15.531 0.578 Vega
2MASS_K 917.11 358.95 14.656 0.425 Vega
WISE_W1 231.33 19.06 15.290 0.089 Vega
WISE_W2 147.97 21.97 15.136 0.161 Vega
WISE_W3 -44.18 108.41 Vega
WISE_W4 -263.95 558.45 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.682 8.924 9.056
{\rm log}_{10}({\rm SFR}) -1.427 -0.783 -0.074
{\rm log}_{10}({\rm sSFR}) -10.410 -9.706 -8.857
{\rm stellar\ age} 1.377 4.786 6.750

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.206 -0.507 -0.040
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.717 -0.588 0.229

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.147 0.598 1.008
\delta -0.505 -0.115 0.191
\tau_1/\tau_2 0.692 1.036 1.402
Q_{PAH} 1.006 3.054 5.236
U_{min} 2.898 8.195 15.472
{\rm log}_{10}(\gamma_e)\, -3.171 -1.952 -0.796

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.127 -0.978 -0.220
{\rm log}_{10}(\tau_{AGN})\, 0.996 1.426 1.909

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.636 -1.191 -0.789
0.03-0.10 Gyr -1.488 -0.717 0.067
0.10-0.33 Gyr -1.218 -0.549 0.004
0.33-1.08 Gyr -1.986 -0.790 -0.411
1.08-3.56 Gyr -2.346 -0.998 -0.683
3.56-11.70 Gyr -3.055 -1.268 -0.886
11.70-13.00 Gyr -2.999 -1.281 -0.633

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.590 9.714 9.827
{\rm log}_{10}({\rm SFR}) 0.000 0.359 0.738
{\rm log}_{10}({\rm sSFR}) -9.722 -9.330 -8.913
{\rm stellar\ age} 7.160 8.452 11.777

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.721 -1.322 -0.810
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.274 -0.160 -0.082

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.292 0.463 0.665
\delta -0.646 -0.437 -0.274
\tau_1/\tau_2 0.389 0.818 1.339
Q_{PAH} 0.641 1.587 2.886
U_{min} 3.530 9.550 17.448
{\rm log}_{10}(\gamma_e)\, -2.571 -1.601 -0.968

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.260 -3.116 -2.104
{\rm log}_{10}(\tau_{AGN})\, 1.064 1.571 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.713 -0.282 0.037
0.03-0.10 Gyr 0.112 0.485 0.877
0.10-0.33 Gyr -3.761 -2.128 -0.887
0.33-1.08 Gyr -6.067 -2.682 -1.207
1.08-3.56 Gyr -4.027 -1.696 -0.696
3.56-11.70 Gyr -1.636 -0.267 -0.049
11.70-13.00 Gyr -0.745 0.245 0.928