2025kos

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Information

Transient

Name: AT2025kos
Right ascension: 13h11m50.37s
Declination: -8d52m33.38s
Discovery Date: May 17, 2025, 9:28 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name: 2025kos
Right ascension: 13h11m50.12s
Declination: -8d52m26.33s
Redshift: 0.046666
Photometric Redshift: 0.041
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.99
Transient MWEBV processed 0.09
Host match processed 1.63
Host information processed 0.11
Host MWEBV processed 0.15
Global aperture construction processed 0.65
Global aperture photometry processed 5.46
Validate global photometry processed 15.01
Global host SED inference processed 375.86
Local aperture photometry processed 5.19
Validate local photometry processed 0.02
Local host SED inference processed 425.7
 

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) = 13h11m50.37s, -8d52m33.38s
semi major axis, semi minor axis (arcsec) = 2.18, 2.18
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 53.09 0.39 19.587 0.008 AB
PanSTARRS_g 50.05 0.49 19.651 0.011 AB
PanSTARRS_r 70.8 0.61 19.275 0.009 AB
DES_r 79.08 0.63 19.155 0.009 AB
PanSTARRS_i 85.91 0.75 19.065 0.009 AB
PanSTARRS_z 92.74 1.34 18.982 0.016 AB
DES_z 106.92 2.24 18.827 0.023 AB
PanSTARRS_y 109.12 2.92 18.805 0.029 AB

Aperture details

RA, DEC (J2000) = 13h11m50.09s, -8d52m26.92s
semi major axis, semi minor axis (arcsec) = 16.58, 14.85
angle (degrees, anti-clockwise from east) = -167.86

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 236.66 15.29 17.965 0.070 AB
GALEX_NUV 292.37 6.15 17.735 0.023 AB
DES_g 2066.56 2.49 15.612 0.001 AB
PanSTARRS_g 1999.9 3.48 15.647 0.002 AB
PanSTARRS_r 3004.16 4.36 15.206 0.002 AB
DES_r 3280.09 4.18 15.110 0.001 AB
PanSTARRS_i 3732.95 5.23 14.970 0.002 AB
PanSTARRS_z 4196.51 9.58 14.843 0.002 AB
DES_z 4572.01 14.85 14.750 0.004 AB
PanSTARRS_y 4811.59 20.84 14.694 0.005 AB
2MASS_J 6454.22 390.35 13.480 0.066 Vega
2MASS_H 7237.45 566.35 12.883 0.085 Vega
2MASS_K 5356.88 777.37 12.740 0.158 Vega
WISE_W1 3082.15 37.55 12.479 0.013 Vega
WISE_W2 1976.06 42.2 12.322 0.023 Vega
WISE_W3 10263.23 154.18 8.698 0.016 Vega
WISE_W4 12089.36 903.76 7.074 0.081 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})\, 8.587 8.785 8.947
{\rm log}_{10}({\rm SFR}) -1.465 -0.937 -0.474
{\rm log}_{10}({\rm sSFR}) -10.344 -9.710 -9.147
{\rm stellar\ age} 3.551 6.099 7.741

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.717 -1.143 -0.471
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.676 -1.094 -0.074

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.192 0.465 0.812
\delta -0.639 -0.160 0.163
\tau_1/\tau_2 0.765 1.094 1.423
Q_{PAH} 0.748 2.556 4.695
U_{min} 2.822 7.634 14.272
{\rm log}_{10}(\gamma_e)\, -3.114 -2.078 -0.685

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.884 -1.176 -0.265
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.546 1.996

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.350 -0.993 -0.649
0.03-0.10 Gyr -1.690 -0.938 -0.413
0.10-0.33 Gyr -1.726 -0.978 -0.523
0.33-1.09 Gyr -1.718 -1.115 -0.744
1.09-3.58 Gyr -1.641 -1.170 -0.899
3.58-11.82 Gyr -1.795 -1.221 -0.916
11.82-13.13 Gyr -1.998 -1.221 -0.665

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.333 10.401 10.480
{\rm log}_{10}({\rm SFR}) 0.286 0.479 0.681
{\rm log}_{10}({\rm sSFR}) -10.139 -9.927 -9.715
{\rm stellar\ age} 5.117 6.303 7.307

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.692 -0.459 -0.312
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.605 0.184 0.380

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.145 0.234 0.378
\delta -0.517 -0.184 0.131
\tau_1/\tau_2 0.754 1.088 1.403
Q_{PAH} 1.340 2.365 3.759
U_{min} 2.461 6.954 13.508
{\rm log}_{10}(\gamma_e)\, -2.976 -2.108 -1.617

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.687 -2.516 -1.790
{\rm log}_{10}(\tau_{AGN})\, 1.082 1.607 1.963

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.258 0.413 0.577
0.03-0.10 Gyr 0.220 0.499 0.762
0.10-0.33 Gyr 0.286 0.570 0.795
0.33-1.09 Gyr 0.270 0.555 0.753
1.09-3.58 Gyr 0.346 0.563 0.737
3.58-11.82 Gyr 0.252 0.466 0.618
11.82-13.13 Gyr -0.029 0.445 0.817