2026qrk results

Information

Transient
Name:AT2026qrk
Right ascension: 21h38m37.27s
Declination:4d26m01.46s
Discovery Date:June 23, 2026, 10:04 a.m.
Classification:None
Redshift:None
MW E(B-V):0.054
Host
Name:J213837.12+042601.16
Object ID:9906623200165992
Catalog Name:decals
Catalog Release:dr9
Right ascension: 21h38m37.12s
Declination:4d26m01.16s
Redshift:None
Photometric Redshift:0.094
 

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: blocked

Task Name Status Time (s)
Cutout download processed 18.71
Transient MWEBV processed 0.16
Host match processed 5.44
Host information processed 0.09
Host MWEBV processed 0.11
Global aperture construction processed 0.65
Global aperture photometry processed 5.02
Validate global photometry processed 16.82
Global host SED inference processed 782.44
Local aperture photometry processed 4.73
Validate local photometry processed 0.02
Local host SED inference processed 468.87
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h38m37.27s, 4d26m01.46s
semi major axis, semi minor axis (arcsec):1.14, 1.14
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 22.88 0.27 20.501 0.013 AB
PanSTARRS_z 29.05 0.74 20.242 0.028 AB
PanSTARRS_y 34.43 2.32 20.058 0.073 AB

Aperture details

RA, DEC (J2000):21h38m37.10s, 4d26m01.39s
semi major axis, semi minor axis (arcsec):7.26, 5.14
angle (degrees, anti-clockwise from east):-21.34
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.26 0.59 23.017 0.282 AB
GALEX_NUV 2.46 0.51 22.923 0.226 AB
SDSS_u 36.98 5.85 19.980 0.172 AB
SDSS_g 139.8 3.51 18.536 0.027 AB
PanSTARRS_g 140.26 1.22 18.533 0.009 AB
SDSS_r 302.25 5.43 17.699 0.020 AB
PanSTARRS_r 313.79 1.72 17.658 0.006 AB
SDSS_i 477.43 7.67 17.203 0.017 AB
PanSTARRS_i 461.86 1.41 17.239 0.003 AB
PanSTARRS_z 584.38 3.93 16.983 0.007 AB
SDSS_z 656.69 18.67 16.857 0.031 AB
PanSTARRS_y 675.04 12.28 16.827 0.020 AB
2MASS_J 891.0 168.43 15.630 0.205 Vega
2MASS_H 1178.64 267.31 14.854 0.246 Vega
2MASS_K 952.62 286.58 14.615 0.327 Vega
WISE_W1 350.18 16.11 14.840 0.050 Vega
WISE_W2 253.51 20.16 14.551 0.086 Vega
WISE_W3 105.37 79.98 13.669 0.824 Vega
WISE_W4 1171.05 515.43 9.609 0.478 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.860 9.156 9.341
{\rm log}_{10}({\rm SFR}) -1.571 -0.890 -0.273
{\rm log}_{10}({\rm sSFR}) -10.740 -10.045 -9.364
{\rm stellar\ age} 2.461 6.374 8.286

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.283 -0.411 0.029
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.426 -0.720 0.026

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.436 0.968 1.506
\delta -0.361 0.004 0.271
\tau_1/\tau_2 0.596 0.986 1.395
Q_{PAH} 0.832 2.481 4.926
U_{min} 2.968 8.276 15.553
{\rm log}_{10}(\gamma_e)\, -2.743 -1.623 -0.521

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.638 -0.580 0.124
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.493 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.590 -0.881 -0.259
0.03-0.10 Gyr -1.981 -1.058 -0.305
0.10-0.33 Gyr -2.195 -1.116 -0.392
0.33-1.06 Gyr -2.192 -1.019 -0.354
1.06-3.46 Gyr -2.451 -0.990 -0.589
3.46-11.27 Gyr -2.192 -0.849 -0.528
11.27-12.52 Gyr -2.071 -0.820 -0.054

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.496 10.588 10.631
{\rm log}_{10}({\rm SFR}) -1.445 -0.666 0.171
{\rm log}_{10}({\rm sSFR}) -12.024 -11.237 -10.391
{\rm stellar\ age} 9.110 11.807 11.890

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.502 -1.111 -0.795
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.389 0.240 0.418

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.206 0.354 0.535
\delta -0.846 -0.614 -0.358
\tau_1/\tau_2 0.490 0.997 1.558
Q_{PAH} 0.483 1.596 3.474
U_{min} 3.167 9.560 17.868
{\rm log}_{10}(\gamma_e)\, -2.980 -1.636 -0.601

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.566 -1.737 -1.281
{\rm log}_{10}(\tau_{AGN})\, 1.309 1.638 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.539 -1.014 -0.348
0.03-0.10 Gyr -2.360 -0.692 0.303
0.10-0.33 Gyr -4.902 -2.679 -0.823
0.33-1.06 Gyr -7.357 -4.530 -1.511
1.06-3.46 Gyr -5.434 -3.288 -1.092
3.46-11.27 Gyr -2.562 -1.039 0.608
11.27-12.52 Gyr 1.246 1.738 1.787