2026kyy results

Information

Transient
Name:AT2026kyy
Right ascension: 23h29m16.58s
Declination:24d40m52.05s
Discovery Date:April 28, 2026, 11:53 a.m.
Classification:None
Redshift:None
MW E(B-V):0.067
Host
Name:J232916.66+244053.17
Right ascension: 23h29m16.66s
Declination:24d40m53.17s
Redshift:None
Photometric Redshift:0.024
 

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 16.43
Transient MWEBV processed 0.06
Host match processed 4.63
Host information processed 0.16
Host MWEBV processed 0.06
Global aperture construction processed 0.7
Global aperture photometry processed 6.0
Validate global photometry processed 19.66
Global host SED inference processed 5646.17
Local aperture photometry processed 5.58
Validate local photometry processed 0.03
Local host SED inference processed 659.89
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h29m16.58s, 24d40m52.05s
semi major axis, semi minor axis (arcsec):4.14, 4.14
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 64.73 3.92 19.372 0.066 AB
SDSS_g 115.0 2.96 18.748 0.028 AB
DES_g 121.36 0.66 18.690 0.006 AB
PanSTARRS_g 121.89 0.99 18.685 0.009 AB
SDSS_r 165.24 3.71 18.355 0.024 AB
PanSTARRS_r 166.01 1.64 18.350 0.011 AB
DES_r 181.68 2.3 18.252 0.014 AB
SDSS_i 206.59 4.69 18.112 0.025 AB
PanSTARRS_i 207.23 1.43 18.109 0.007 AB
PanSTARRS_z 234.37 3.52 17.975 0.016 AB
SDSS_z 261.35 14.18 17.857 0.059 AB
DES_z 236.93 4.09 17.963 0.019 AB
PanSTARRS_y 238.29 7.3 17.957 0.033 AB
2MASS_J 223.6 88.76 17.131 0.431 Vega
2MASS_H 217.61 147.56 16.688 0.736 Vega
2MASS_K -74.6 140.73 Vega

Aperture details

RA, DEC (J2000):23h29m16.63s, 24d40m53.28s
semi major axis, semi minor axis (arcsec):17.19, 4.28
angle (degrees, anti-clockwise from east):-151.06
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 136.66 7.69 18.561 0.061 AB
SDSS_g 202.67 4.3 18.133 0.023 AB
DES_g 214.32 0.99 18.072 0.005 AB
PanSTARRS_g 214.01 2.01 18.074 0.010 AB
SDSS_r 292.97 5.68 17.733 0.021 AB
PanSTARRS_r 293.4 3.35 17.731 0.012 AB
DES_r 327.13 3.26 17.613 0.011 AB
SDSS_i 353.07 7.75 17.530 0.024 AB
PanSTARRS_i 363.47 2.9 17.499 0.009 AB
PanSTARRS_z 422.12 7.17 17.336 0.018 AB
SDSS_z 411.91 28.73 17.363 0.076 AB
DES_z 422.01 5.9 17.337 0.015 AB
PanSTARRS_y 396.73 14.93 17.404 0.041 AB
2MASS_J 351.08 199.85 16.642 0.618 Vega
2MASS_H 126.32 330.39 17.279 2.840 Vega
2MASS_K 277.33 317.3 15.955 1.242 Vega
WISE_W1 141.61 24.78 15.823 0.190 Vega
WISE_W2 131.36 24.69 15.265 0.204 Vega
WISE_W3 22.51 105.84 15.345 5.104 Vega
WISE_W4 -690.6 568.29 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.508 8.667 8.812
{\rm log}_{10}({\rm SFR}) -1.445 -0.440 0.127
{\rm log}_{10}({\rm sSFR}) -10.058 -9.091 -8.470
{\rm stellar\ age} 2.528 7.010 10.123

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.846 -1.554 -1.174
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.763 -1.001 0.015

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.183 0.650 1.148
\delta -0.594 -0.192 0.064
\tau_1/\tau_2 0.589 1.057 1.521
Q_{PAH} 0.587 2.361 4.928
U_{min} 3.732 10.246 18.727
{\rm log}_{10}(\gamma_e)\, -3.464 -2.084 -0.856

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.098 -2.486 -0.493
{\rm log}_{10}(\tau_{AGN})\, 0.915 1.390 1.887

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.577 -2.506 -1.748
0.03-0.10 Gyr -1.288 -0.279 0.286
0.10-0.33 Gyr -3.327 -1.373 -0.476
0.33-1.10 Gyr -4.939 -2.365 -1.267
1.10-3.65 Gyr -4.626 -1.954 -1.201
3.65-12.09 Gyr -3.682 -1.487 -1.116
12.09-13.44 Gyr -3.643 -1.333 -0.288

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.892 9.003 9.129
{\rm log}_{10}({\rm SFR}) -0.895 -0.301 0.274
{\rm log}_{10}({\rm sSFR}) -9.877 -9.257 -8.659
{\rm stellar\ age} 7.149 8.980 12.213

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.895 -1.716 -1.438
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.629 -0.495 0.345

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.064 0.214 0.355
\delta -0.926 -0.741 -0.419
\tau_1/\tau_2 0.566 1.070 1.563
Q_{PAH} 0.222 0.919 3.264
U_{min} 3.726 9.876 18.347
{\rm log}_{10}(\gamma_e)\, -2.964 -1.746 -0.813

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.718 -2.393 -1.527
{\rm log}_{10}(\tau_{AGN})\, 1.220 1.678 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.306 -2.981 -1.895
0.03-0.10 Gyr -0.734 -0.138 0.436
0.10-0.33 Gyr -4.382 -3.265 -1.470
0.33-1.10 Gyr -7.042 -4.566 -1.654
1.10-3.65 Gyr -5.340 -3.164 -1.340
3.65-12.09 Gyr -2.896 -1.144 -0.806
12.09-13.44 Gyr -1.641 -0.305 0.213