2026kbw results

Information

Transient
Name:AT2026kbw
Right ascension: 21h57m15.54s
Declination:9d23m33.97s
Discovery Date:April 15, 2026, 12:07 p.m.
Classification:None
Redshift:None
MW E(B-V):0.058
Host
Name:
Right ascension: 21h57m15.46s
Declination:9d23m33.50s
Redshift:None
Photometric Redshift:0.073
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.92
Transient MWEBV processed 0.12
Host match processed 6.26
Host information processed 0.06
Host MWEBV processed 0.07
Global aperture construction processed 0.64
Global aperture photometry processed 6.13
Validate global photometry processed 19.33
Global host SED inference processed 2581.58
Local aperture photometry processed 6.18
Validate local photometry processed 0.03
Local host SED inference processed 443.9
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h57m15.54s, 9d23m33.97s
semi major axis, semi minor axis (arcsec):1.45, 1.45
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 39.53 1.67 19.908 0.046 AB
DES_g 37.62 0.49 19.961 0.014 AB
PanSTARRS_g 37.04 0.37 19.978 0.011 AB
SDSS_r 83.27 2.45 19.099 0.032 AB
PanSTARRS_r 66.83 0.51 19.338 0.008 AB
DES_r 76.24 0.85 19.195 0.012 AB
SDSS_i 122.26 3.02 18.682 0.027 AB
PanSTARRS_i 102.59 0.44 18.872 0.005 AB
PanSTARRS_z 131.55 1.08 18.602 0.009 AB
SDSS_z 156.9 4.8 18.411 0.033 AB
DES_z 146.79 2.83 18.483 0.021 AB
PanSTARRS_y 145.33 3.1 18.494 0.023 AB

Aperture details

RA, DEC (J2000):21h57m15.45s, 9d23m33.67s
semi major axis, semi minor axis (arcsec):5.14, 3.89
angle (degrees, anti-clockwise from east):-106.82
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.99 2.29 21.516 0.277 AB
GALEX_NUV 10.65 1.77 21.332 0.180 AB
SDSS_u 51.95 4.75 19.611 0.099 AB
SDSS_g 114.27 3.02 18.755 0.029 AB
DES_g 117.13 0.93 18.728 0.009 AB
PanSTARRS_g 126.5 1.1 18.645 0.009 AB
SDSS_r 235.87 4.46 17.968 0.021 AB
PanSTARRS_r 232.48 1.52 17.984 0.007 AB
DES_r 246.79 1.6 17.919 0.007 AB
SDSS_i 327.37 5.52 17.612 0.018 AB
PanSTARRS_i 335.75 1.29 17.585 0.004 AB
PanSTARRS_z 420.65 3.25 17.340 0.008 AB
SDSS_z 419.93 12.22 17.342 0.032 AB
DES_z 442.78 5.04 17.285 0.012 AB
PanSTARRS_y 487.93 9.37 17.179 0.021 AB
2MASS_J 767.19 100.04 15.793 0.142 Vega
2MASS_H 747.41 144.19 15.349 0.209 Vega
2MASS_K 631.96 196.24 15.060 0.337 Vega
WISE_W1 215.65 11.96 15.367 0.060 Vega
WISE_W2 139.69 14.25 15.198 0.111 Vega
WISE_W3 144.52 65.82 13.326 0.494 Vega
WISE_W4 -564.25 423.19 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.387 9.537 9.654
{\rm log}_{10}({\rm SFR}) -2.040 -1.165 -0.436
{\rm log}_{10}({\rm sSFR}) -11.620 -10.722 -9.887
{\rm stellar\ age} 3.749 6.727 8.428

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.458 -0.781 -0.342
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.616 -0.820 0.031

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.319 0.854 1.253
\delta -0.543 -0.159 0.130
\tau_1/\tau_2 0.637 0.987 1.376
Q_{PAH} 0.647 2.116 5.017
U_{min} 2.849 8.011 15.430
{\rm log}_{10}(\gamma_e)\, -3.327 -2.357 -0.831

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.023 -0.991 -0.197
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.388 1.856

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.432 -1.387 -0.902
0.03-0.10 Gyr -2.344 -1.156 -0.319
0.10-0.33 Gyr -2.027 -0.944 -0.127
0.33-1.07 Gyr -1.768 -0.608 -0.066
1.07-3.52 Gyr -1.486 -0.480 -0.150
3.52-11.52 Gyr -1.315 -0.417 -0.179
11.52-12.80 Gyr -1.357 -0.375 0.291

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.130 10.218 10.274
{\rm log}_{10}({\rm SFR}) -0.544 0.115 0.708
{\rm log}_{10}({\rm sSFR}) -10.766 -10.075 -9.487
{\rm stellar\ age} 9.647 11.933 12.127

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.673 -1.324 -0.885
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.010 0.338 0.453

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.258 0.505 0.682
\delta -0.557 -0.337 -0.165
\tau_1/\tau_2 0.405 0.959 1.539
Q_{PAH} 0.323 1.042 2.383
U_{min} 3.867 10.354 18.077
{\rm log}_{10}(\gamma_e)\, -3.115 -2.197 -1.167

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.659 -2.500 -1.946
{\rm log}_{10}(\tau_{AGN})\, 1.281 1.631 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.008 -2.412 -1.038
0.03-0.10 Gyr -0.384 0.275 0.869
0.10-0.33 Gyr -4.544 -3.445 -1.678
0.33-1.07 Gyr -7.899 -5.572 -2.388
1.07-3.52 Gyr -5.956 -4.070 -1.902
3.52-11.52 Gyr -2.816 -1.331 0.175
11.52-12.80 Gyr 0.947 1.350 1.415