2026har results

Information

Transient
Name:AT2026har
Right ascension: 8h36m36.45s
Declination:17d44m01.51s
Discovery Date:March 21, 2026, 8:11 a.m.
Classification:None
Redshift:None
MW E(B-V):0.031
Host
Name:
Right ascension: 8h36m36.48s
Declination:17d44m00.99s
Redshift:None
Photometric Redshift:0.099
 

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 17.47
Transient MWEBV processed 0.04
Host match processed 5.12
Host information processed 0.16
Host MWEBV processed 0.03
Global aperture construction processed 0.63
Global aperture photometry processed 4.57
Validate global photometry processed 16.07
Global host SED inference processed 613.39
Local aperture photometry processed 4.25
Validate local photometry processed 0.02
Local host SED inference processed 693.47
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h36m36.45s, 17d44m01.51s
semi major axis, semi minor axis (arcsec):1.09, 1.09
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_z 93.82 0.79 18.969 0.009 AB
PanSTARRS_y 93.42 1.75 18.974 0.020 AB

Aperture details

RA, DEC (J2000):8h36m36.47s, 17d44m01.22s
semi major axis, semi minor axis (arcsec):4.8, 2.93
angle (degrees, anti-clockwise from east):-27.91
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.45 0.46 22.927 0.205 AB
GALEX_NUV 2.6 0.46 22.863 0.193 AB
SDSS_u 23.42 2.99 20.476 0.139 AB
SDSS_g 54.11 2.18 19.567 0.044 AB
PanSTARRS_g 58.25 0.97 19.487 0.018 AB
SDSS_r 114.22 3.31 18.756 0.031 AB
PanSTARRS_r 115.58 0.88 18.743 0.008 AB
SDSS_i 168.15 4.42 18.336 0.029 AB
PanSTARRS_i 163.65 1.11 18.365 0.007 AB
PanSTARRS_z 211.0 2.56 18.089 0.013 AB
SDSS_z 221.33 10.65 18.037 0.052 AB
PanSTARRS_y 213.34 5.81 18.077 0.030 AB
2MASS_J 278.4 94.75 16.893 0.369 Vega
2MASS_H 227.36 136.58 16.641 0.652 Vega
2MASS_K 454.74 172.47 15.418 0.412 Vega
WISE_W1 115.94 11.39 16.040 0.107 Vega
WISE_W2 43.84 19.76 16.456 0.489 Vega
WISE_W3 46.73 239.42 14.552 5.562 Vega
WISE_W4 608.81 1092.77 10.319 1.949 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.060 9.382 9.622
{\rm log}_{10}({\rm SFR}) -0.525 -0.083 0.377
{\rm log}_{10}({\rm sSFR}) -9.931 -9.482 -8.843
{\rm stellar\ age} 2.053 5.750 7.903

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.781 -1.354 -0.598
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.350 -0.754 -0.021

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.204 0.393 0.722
\delta -0.802 -0.383 0.086
\tau_1/\tau_2 0.513 0.958 1.428
Q_{PAH} 0.475 1.768 4.235
U_{min} 3.066 8.274 15.305
{\rm log}_{10}(\gamma_e)\, -3.382 -2.161 -0.702

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.455 -1.113 -0.439
{\rm log}_{10}(\tau_{AGN})\, 1.182 1.577 1.971

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.347 0.004 0.409
0.03-0.10 Gyr -1.260 -0.254 0.402
0.10-0.33 Gyr -1.867 -0.624 0.068
0.33-1.06 Gyr -2.068 -0.690 -0.101
1.06-3.45 Gyr -2.274 -0.798 -0.294
3.45-11.22 Gyr -2.097 -0.731 -0.288
11.22-12.46 Gyr -2.026 -0.689 0.191

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.020 10.131 10.189
{\rm log}_{10}({\rm SFR}) -1.368 -0.699 -0.062
{\rm log}_{10}({\rm sSFR}) -11.401 -10.773 -10.092
{\rm stellar\ age} 7.674 11.211 11.805

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.431 -1.005 -0.701
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.399 -0.112 0.378

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.298 0.515
\delta -0.650 -0.256 0.084
\tau_1/\tau_2 0.495 0.905 1.362
Q_{PAH} 0.629 1.898 3.733
U_{min} 2.964 8.713 16.327
{\rm log}_{10}(\gamma_e)\, -2.868 -1.714 -0.562

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.273 -0.960 -0.623
{\rm log}_{10}(\tau_{AGN})\, 1.358 1.630 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.005 -1.843 -1.019
0.03-0.10 Gyr -1.367 -0.580 0.097
0.10-0.33 Gyr -3.694 -1.425 -0.517
0.33-1.06 Gyr -6.086 -2.521 -0.981
1.06-3.45 Gyr -4.521 -2.115 -0.718
3.45-11.22 Gyr -2.333 -0.462 0.287
11.22-12.46 Gyr 0.271 1.242 1.339