2026kah results

Information

Transient
Name:AT2026kah
Right ascension: 22h04m27.41s
Declination:2d37m49.01s
Discovery Date:April 18, 2026, 12:04 p.m.
Classification:None
Redshift:None
MW E(B-V):0.036
Host
Name:IC1428
Right ascension: 22h04m27.67s
Declination:2d37m51.10s
Redshift:None
Photometric Redshift:0.041
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.76
Transient MWEBV processed 0.06
Host match processed 4.51
Host information processed 0.23
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 5.3
Validate global photometry processed 14.77
Global host SED inference processed 569.58
Local aperture photometry processed 5.67
Validate local photometry processed 0.02
Local host SED inference processed 522.17
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h04m27.41s, 2d37m49.01s
semi major axis, semi minor axis (arcsec):2.48, 2.48
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 35.62 2.38 20.021 0.072 AB
SDSS_g 135.23 3.08 18.572 0.025 AB
DES_g 143.25 0.58 18.510 0.004 AB
PanSTARRS_g 148.34 0.59 18.472 0.004 AB
SDSS_r 281.32 4.47 17.777 0.017 AB
PanSTARRS_r 289.35 0.64 17.746 0.002 AB
DES_r 312.11 1.15 17.664 0.004 AB
SDSS_i 421.34 5.58 17.338 0.014 AB
PanSTARRS_i 416.93 0.62 17.350 0.002 AB
PanSTARRS_z 534.86 1.7 17.079 0.003 AB
SDSS_z 567.88 8.6 17.014 0.016 AB
DES_z 559.02 9.02 17.031 0.018 AB
PanSTARRS_y 626.36 4.89 16.908 0.008 AB

Aperture details

RA, DEC (J2000):22h04m27.65s, 2d37m51.17s
semi major axis, semi minor axis (arcsec):33.65, 13.08
angle (degrees, anti-clockwise from east):-120.37
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 963.73 17.79 16.440 0.020 AB
SDSS_g 2328.99 13.76 15.482 0.006 AB
PanSTARRS_g 2501.19 4.62 15.405 0.002 AB
SDSS_r 4241.25 19.09 14.831 0.005 AB
PanSTARRS_r 4258.35 4.87 14.827 0.001 AB
SDSS_i 5976.39 24.74 14.459 0.004 AB
PanSTARRS_z 7418.67 13.75 14.224 0.002 AB
SDSS_z 7727.32 55.93 14.180 0.008 AB
2MASS_J 11283.2 511.4 12.874 0.049 Vega
2MASS_H 13525.21 885.59 12.205 0.071 Vega
2MASS_K 10453.23 826.6 12.014 0.086 Vega
WISE_W1 5663.81 57.6 11.818 0.011 Vega
WISE_W2 3448.22 61.64 11.717 0.019 Vega
WISE_W3 10543.5 254.4 8.669 0.026 Vega
WISE_W4 12672.63 1793.75 7.023 0.154 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.641 9.763 9.888
{\rm log}_{10}({\rm SFR}) -1.862 -0.987 -0.199
{\rm log}_{10}({\rm sSFR}) -11.689 -10.746 -9.876
{\rm stellar\ age} 7.100 8.473 12.066

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.594 -1.045 -0.570
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.812 -0.748 0.274

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.350 0.898 1.257
\delta -0.539 -0.125 0.261
\tau_1/\tau_2 0.639 1.023 1.388
Q_{PAH} 0.561 2.280 4.568
U_{min} 2.828 8.167 15.503
{\rm log}_{10}(\gamma_e)\, -3.487 -2.556 -0.808

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.825 -1.504 -0.507
{\rm log}_{10}(\tau_{AGN})\, 0.975 1.367 1.889

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.471 -1.354 -0.601
0.03-0.10 Gyr -1.995 -0.962 -0.112
0.10-0.33 Gyr -2.346 -1.082 -0.271
0.33-1.09 Gyr -3.096 -1.301 -0.527
1.09-3.60 Gyr -2.960 -1.105 -0.338
3.60-11.89 Gyr -1.218 -0.199 0.023
11.89-13.21 Gyr -0.514 0.255 0.930

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.669 10.780 10.890
{\rm log}_{10}({\rm SFR}) 0.262 0.733 1.280
{\rm log}_{10}({\rm sSFR}) -10.505 -10.077 -9.468
{\rm stellar\ age} 7.390 8.808 12.108

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.657 -0.368 -0.199
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.505 -0.062 0.343

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.137 0.264 0.461
\delta -0.535 -0.073 0.273
\tau_1/\tau_2 0.569 1.029 1.452
Q_{PAH} 1.105 2.312 4.520
U_{min} 2.856 8.511 15.894
{\rm log}_{10}(\gamma_e)\, -2.817 -1.852 -0.969

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.362 -2.236 -1.624
{\rm log}_{10}(\tau_{AGN})\, 1.172 1.683 2.006

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.372 -0.429 0.196
0.03-0.10 Gyr 0.363 0.877 1.438
0.10-0.33 Gyr -2.160 -0.162 0.516
0.33-1.09 Gyr -3.468 -0.440 0.276
1.09-3.60 Gyr -2.607 -0.275 0.565
3.60-11.89 Gyr -0.398 0.770 0.999
11.89-13.21 Gyr 0.462 1.357 1.982