2026chk results

Information

Transient
Name:AT2026chk
Right ascension: 11h40m02.82s
Declination:61d18m08.39s
Discovery Date:Feb. 4, 2026, 9:14 a.m.
Classification:None
Redshift:None
MW E(B-V):0.050
Host
Name:2615492
Right ascension: 11h40m01.97s
Declination:61d18m08.47s
Redshift:0.063654
Photometric Redshift:None
 

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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.41
Transient MWEBV processed 0.04
Host match processed 5.55
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 4.25
Validate global photometry processed 12.09
Global host SED inference processed 448.01
Local aperture photometry processed 4.06
Validate local photometry processed 0.02
Local host SED inference processed 452.55
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h40m02.82s, 61d18m08.39s
semi major axis, semi minor axis (arcsec):1.63, 1.63
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 14.53 0.42 20.995 0.031 AB
SDSS_r 29.21 1.61 20.236 0.060 AB
PanSTARRS_r 26.45 0.5 20.344 0.020 AB
SDSS_i 41.48 2.13 19.856 0.056 AB
PanSTARRS_i 37.64 0.63 19.961 0.018 AB
PanSTARRS_z 46.38 1.09 19.734 0.026 AB
PanSTARRS_y 50.28 2.7 19.647 0.058 AB

Aperture details

RA, DEC (J2000):11h40m01.93s, 61d18m08.51s
semi major axis, semi minor axis (arcsec):15.12, 12.18
angle (degrees, anti-clockwise from east):-97.28
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 40.39 6.37 19.884 0.171 AB
GALEX_NUV 75.13 5.81 19.211 0.084 AB
PanSTARRS_g 987.73 3.53 16.413 0.004 AB
PanSTARRS_r 1804.78 4.11 15.759 0.002 AB
PanSTARRS_i 2489.73 5.25 15.410 0.002 AB
PanSTARRS_z 3026.68 9.07 15.198 0.003 AB
PanSTARRS_y 3566.33 22.38 15.019 0.007 AB
2MASS_J 4432.0 274.18 13.889 0.067 Vega
2MASS_H 5498.66 398.23 13.182 0.079 Vega
2MASS_K 5312.96 514.57 12.749 0.105 Vega
WISE_W1 2225.01 27.7 12.833 0.014 Vega
WISE_W2 1397.34 31.0 12.698 0.024 Vega
WISE_W3 3541.95 130.78 9.853 0.040 Vega
WISE_W4 1543.81 589.99 9.309 0.415 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.900 9.009 9.103
{\rm log}_{10}({\rm SFR}) -2.347 -1.687 -1.146
{\rm log}_{10}({\rm sSFR}) -11.334 -10.702 -10.150
{\rm stellar\ age} 5.812 7.323 8.955

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.454 -0.836 -0.376
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.624 -0.772 0.096

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.255 0.671 1.069
\delta -0.326 0.055 0.287
\tau_1/\tau_2 0.679 1.038 1.406
Q_{PAH} 0.866 2.620 4.959
U_{min} 2.991 7.847 14.766
{\rm log}_{10}(\gamma_e)\, -2.949 -1.802 -0.669

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.296 -0.381 0.058
{\rm log}_{10}(\tau_{AGN})\, 1.065 1.518 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.717 -1.864 -1.358
0.03-0.10 Gyr -2.517 -1.678 -1.082
0.10-0.33 Gyr -2.447 -1.584 -0.962
0.33-1.08 Gyr -2.469 -1.506 -0.871
1.08-3.54 Gyr -2.158 -1.119 -0.776
3.54-11.62 Gyr -1.300 -0.867 -0.717
11.62-12.91 Gyr -1.458 -0.809 -0.197

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.724 10.775 10.860
{\rm log}_{10}({\rm SFR}) 0.187 0.537 0.950
{\rm log}_{10}({\rm sSFR}) -10.581 -10.216 -9.811
{\rm stellar\ age} 7.475 8.485 11.402

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.699 -0.486 -0.371
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.517 0.000 0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.144 0.222 0.351
\delta -0.842 -0.574 -0.266
\tau_1/\tau_2 0.643 1.114 1.565
Q_{PAH} 0.860 1.842 3.188
U_{min} 2.718 7.498 14.814
{\rm log}_{10}(\gamma_e)\, -2.684 -1.677 -0.979

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.876 -2.730 -1.862
{\rm log}_{10}(\tau_{AGN})\, 1.128 1.607 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.145 -0.159 0.195
0.03-0.10 Gyr 0.219 0.669 1.104
0.10-0.33 Gyr -0.690 0.308 0.671
0.33-1.08 Gyr -1.778 -0.080 0.316
1.08-3.54 Gyr -1.597 -0.051 0.469
3.54-11.62 Gyr 0.150 0.887 1.023
11.62-12.91 Gyr 0.683 1.303 1.937