2026hi results

Information

Transient
Name:AT2026hi
Right ascension: 4h57m01.30s
Declination:0d04m28.07s
Discovery Date:Jan. 9, 2026, 4:58 a.m.
Classification:None
Redshift:None
MW E(B-V):0.076
Host
Name:
Right ascension: 4h57m01.35s
Declination:0d04m24.98s
Redshift:None
Photometric Redshift:0.072
 

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 17.02
Transient MWEBV processed 0.05
Host match processed 4.93
Host information processed 0.13
Host MWEBV processed 0.16
Global aperture construction processed 0.72
Global aperture photometry processed 4.87
Validate global photometry processed 14.63
Global host SED inference processed 408.9
Local aperture photometry processed 5.3
Validate local photometry processed 0.02
Local host SED inference processed 430.97
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):4h57m01.30s, 0d04m28.07s
semi major axis, semi minor axis (arcsec):1.45, 1.45
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 38.26 1.72 19.943 0.049 AB
DES_g 38.39 0.49 19.939 0.014 AB
PanSTARRS_g 42.75 0.36 19.823 0.009 AB
SDSS_r 63.55 2.19 19.392 0.037 AB
PanSTARRS_r 74.39 0.47 19.221 0.007 AB
DES_r 76.43 1.09 19.192 0.015 AB
SDSS_i 93.03 2.79 18.978 0.033 AB
PanSTARRS_i 104.33 0.59 18.854 0.006 AB
PanSTARRS_z 123.71 0.97 18.669 0.008 AB
SDSS_z 111.95 6.13 18.777 0.059 AB
DES_z 120.18 2.75 18.700 0.025 AB
PanSTARRS_y 150.43 2.42 18.457 0.017 AB

Aperture details

RA, DEC (J2000):4h57m01.34s, 0d04m25.25s
semi major axis, semi minor axis (arcsec):8.15, 5.17
angle (degrees, anti-clockwise from east):-24.55
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 89.81 6.91 19.017 0.084 AB
SDSS_g 348.36 5.63 17.545 0.018 AB
PanSTARRS_g 373.16 1.57 17.470 0.005 AB
SDSS_r 661.11 7.44 16.849 0.012 AB
PanSTARRS_r 675.15 2.0 16.827 0.003 AB
SDSS_i 944.04 9.73 16.463 0.011 AB
PanSTARRS_i 962.32 2.54 16.442 0.003 AB
PanSTARRS_z 1171.9 4.21 16.228 0.004 AB
SDSS_z 1206.72 26.26 16.196 0.024 AB
PanSTARRS_y 1474.09 10.68 15.979 0.008 AB
2MASS_J 1870.27 208.94 14.825 0.121 Vega
2MASS_H 2829.39 305.92 13.903 0.117 Vega
2MASS_K 1871.81 360.14 13.882 0.209 Vega
WISE_W1 940.64 20.82 13.767 0.024 Vega
WISE_W2 573.72 24.78 13.664 0.047 Vega
WISE_W3 2400.06 107.46 10.275 0.049 Vega
WISE_W4 1665.18 540.78 9.226 0.353 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.343 9.474 9.587
{\rm log}_{10}({\rm SFR}) -1.712 -1.090 -0.344
{\rm log}_{10}({\rm sSFR}) -11.182 -10.538 -9.760
{\rm stellar\ age} 4.989 7.140 9.026

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.544 -0.990 -0.575
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.379 -0.463 0.101

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.157 0.548 0.966
\delta -0.594 -0.212 0.147
\tau_1/\tau_2 0.682 1.021 1.360
Q_{PAH} 0.935 2.689 4.978
U_{min} 2.969 7.989 15.010
{\rm log}_{10}(\gamma_e)\, -2.843 -1.519 -0.539

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.632 -0.753 -0.078
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.475 1.985

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.692 -1.162 -0.637
0.03-0.10 Gyr -1.976 -1.132 -0.253
0.10-0.33 Gyr -1.947 -0.955 -0.212
0.33-1.07 Gyr -1.873 -0.833 -0.187
1.07-3.52 Gyr -1.617 -0.652 -0.308
3.52-11.52 Gyr -0.904 -0.449 -0.245
11.52-12.80 Gyr -1.025 -0.354 0.298

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.293 10.403 10.485
{\rm log}_{10}({\rm SFR}) -0.907 -0.248 0.713
{\rm log}_{10}({\rm sSFR}) -11.328 -10.571 -9.688
{\rm stellar\ age} 5.358 6.759 7.968

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.541 -0.349 -0.220
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.657 0.069 0.340

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.142 0.271 0.502
\delta -0.874 -0.589 -0.086
\tau_1/\tau_2 0.643 0.982 1.343
Q_{PAH} 0.710 2.352 4.698
U_{min} 2.462 7.363 14.398
{\rm log}_{10}(\gamma_e)\, -2.197 -1.162 -0.316

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.277 -3.190 -1.983
{\rm log}_{10}(\tau_{AGN})\, 1.153 1.664 2.004

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.159 -0.480 -0.199
0.03-0.10 Gyr -1.122 -0.215 0.866
0.10-0.33 Gyr -0.977 0.036 0.648
0.33-1.07 Gyr -0.637 0.129 0.481
1.07-3.52 Gyr -0.035 0.427 0.728
3.52-11.52 Gyr 0.142 0.493 0.658
11.52-12.80 Gyr -0.214 0.485 0.999