2026him results

Information

Transient
Name:AT2026him
Right ascension: 2h11m20.64s
Declination:19d38m25.34s
Discovery Date:Feb. 28, 2026, 2:52 a.m.
Classification:None
Redshift:None
MW E(B-V):0.143
Host
Name:J021120.76+193825.12
Right ascension: 2h11m20.76s
Declination:19d38m25.12s
Redshift:None
Photometric Redshift:0.061
 

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 16.56
Transient MWEBV processed 0.18
Host match processed 6.0
Host information processed 0.16
Host MWEBV processed 0.12
Global aperture construction processed 0.65
Global aperture photometry processed 4.28
Validate global photometry processed 11.66
Global host SED inference processed 511.33
Local aperture photometry processed 3.98
Validate local photometry processed 0.02
Local host SED inference processed 474.05
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):2h11m20.64s, 19d38m25.34s
semi major axis, semi minor axis (arcsec):1.71, 1.71
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 107.63 0.63 18.820 0.006 AB
PanSTARRS_r 278.64 0.81 17.787 0.003 AB
PanSTARRS_i 485.19 0.81 17.185 0.002 AB
PanSTARRS_z 615.2 1.54 16.927 0.003 AB
PanSTARRS_y 782.3 3.39 16.667 0.005 AB

Aperture details

RA, DEC (J2000):2h11m20.75s, 19d38m25.32s
semi major axis, semi minor axis (arcsec):9.68, 8.4
angle (degrees, anti-clockwise from east):-164.54
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 64.37 5.18 19.378 0.087 AB
GALEX_NUV 72.77 3.36 19.245 0.050 AB
PanSTARRS_g 592.87 3.18 16.968 0.006 AB
PanSTARRS_r 1244.72 3.75 16.162 0.003 AB
PanSTARRS_i 2014.01 3.73 15.640 0.002 AB
PanSTARRS_z 2547.88 7.66 15.385 0.003 AB
PanSTARRS_y 3331.79 17.57 15.093 0.006 AB
2MASS_J 4020.51 186.8 13.994 0.050 Vega
2MASS_H 5298.63 258.07 13.222 0.053 Vega
2MASS_K 5521.56 343.46 12.707 0.068 Vega
WISE_W1 2472.04 30.75 12.718 0.014 Vega
WISE_W2 1711.92 36.72 12.477 0.023 Vega
WISE_W3 4107.36 115.25 9.692 0.030 Vega
WISE_W4 6505.21 932.57 7.747 0.156 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.081 10.197 10.348
{\rm log}_{10}({\rm SFR}) -1.223 -0.460 0.096
{\rm log}_{10}({\rm sSFR}) -11.534 -10.699 -10.090
{\rm stellar\ age} 5.824 7.636 11.230

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.661 -1.080 -0.661
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.460 -0.003 0.333

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.681 1.076 1.418
\delta -0.797 -0.556 -0.253
\tau_1/\tau_2 0.591 0.947 1.309
Q_{PAH} 0.399 1.990 4.505
U_{min} 2.545 7.799 14.983
{\rm log}_{10}(\gamma_e)\, -3.239 -1.878 -0.837

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.909 -1.256 -0.429
{\rm log}_{10}(\tau_{AGN})\, 0.941 1.400 1.895

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.160 -0.395 0.048
0.03-0.10 Gyr -2.009 -0.597 0.124
0.10-0.33 Gyr -2.364 -0.653 0.216
0.33-1.08 Gyr -2.530 -0.568 0.190
1.08-3.55 Gyr -2.225 -0.105 0.370
3.55-11.66 Gyr -0.691 0.239 0.455
11.66-12.95 Gyr -0.345 0.449 1.390

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.822 10.882 10.912
{\rm log}_{10}({\rm SFR}) 0.095 0.363 0.608
{\rm log}_{10}({\rm sSFR}) -10.788 -10.500 -10.257
{\rm stellar\ age} 9.814 11.943 12.241

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.152 -0.049 0.033
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.211 0.327 0.433

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.041 0.088 0.150
\delta -0.520 -0.141 0.193
\tau_1/\tau_2 0.623 1.052 1.507
Q_{PAH} 1.018 2.349 4.332
U_{min} 2.377 7.200 14.634
{\rm log}_{10}(\gamma_e)\, -2.917 -1.975 -1.028

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.195 -2.037 -1.521
{\rm log}_{10}(\tau_{AGN})\, 1.164 1.572 1.887

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.139 0.352 0.580
0.03-0.10 Gyr -0.216 0.354 0.668
0.10-0.33 Gyr -2.248 -0.777 -0.144
0.33-1.08 Gyr -3.173 -1.368 -0.568
1.08-3.55 Gyr -2.639 -1.225 -0.434
3.55-11.66 Gyr -1.203 -0.072 0.863
11.66-12.95 Gyr 1.631 1.988 2.037