2026ihs results

Information

Transient
Name:AT2026ihs
Right ascension: 9h44m09.69s
Declination:-29d50m44.31s
Discovery Date:April 4, 2026, 3:36 a.m.
Classification:None
Redshift:None
MW E(B-V):0.101
Host
Name:154217
Right ascension: 9h44m09.73s
Declination:-29d50m43.71s
Redshift:0.036996
Photometric Redshift:None
 

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
GALEX_NUV
GALEX_FUV
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 5.19
Transient MWEBV processed 0.06
Host match processed 4.48
Host information processed 0.13
Host MWEBV processed 0.12
Global aperture construction processed 0.69
Global aperture photometry processed 3.73
Validate global photometry processed 10.94
Global host SED inference processed 458.33
Local aperture photometry processed 3.75
Validate local photometry processed 0.02
Local host SED inference processed 534.48
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h44m09.69s, -29d50m44.31s
semi major axis, semi minor axis (arcsec):2.72, 2.72
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 310.08 1.08 17.671 0.004 AB
PanSTARRS_r 675.82 1.29 16.825 0.002 AB
PanSTARRS_i 1045.65 1.24 16.352 0.001 AB
PanSTARRS_z 1372.63 4.05 16.056 0.003 AB
PanSTARRS_y 1577.07 11.51 15.905 0.008 AB

Aperture details

RA, DEC (J2000):9h44m09.74s, -29d50m44.08s
semi major axis, semi minor axis (arcsec):17.93, 6.94
angle (degrees, anti-clockwise from east):-128.53
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 935.17 3.9 16.473 0.005 AB
PanSTARRS_r 1906.54 4.53 15.699 0.003 AB
PanSTARRS_i 2844.02 4.41 15.265 0.002 AB
PanSTARRS_z 3697.74 15.97 14.980 0.005 AB
PanSTARRS_y 4390.02 46.85 14.794 0.012 AB
2MASS_J 5877.56 314.03 13.582 0.058 Vega
2MASS_H 6633.42 447.26 12.978 0.073 Vega
2MASS_K 5787.66 507.66 12.656 0.095 Vega
WISE_W1 2824.67 39.68 12.574 0.015 Vega
WISE_W2 1602.28 49.8 12.549 0.034 Vega
WISE_W3 1479.15 139.01 10.801 0.102 Vega
WISE_W4 991.26 694.71 9.790 0.761 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.919 10.022 10.170
{\rm log}_{10}({\rm SFR}) -2.178 -0.950 -0.155
{\rm log}_{10}({\rm sSFR}) -12.383 -10.979 -10.166
{\rm stellar\ age} 6.454 7.862 10.561

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.486 -0.942 -0.614
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.794 -1.140 -0.146

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.507 0.809 1.104
\delta -0.832 -0.563 -0.203
\tau_1/\tau_2 0.636 1.008 1.399
Q_{PAH} 0.627 2.823 5.137
U_{min} 2.896 8.207 15.116
{\rm log}_{10}(\gamma_e)\, -3.395 -1.810 -0.603

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.056 -1.808 -0.693
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.598 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.670 -1.168 -0.445
0.03-0.10 Gyr -2.566 -1.027 -0.077
0.10-0.33 Gyr -2.269 -0.795 -0.016
0.33-1.09 Gyr -2.155 -0.703 -0.077
1.09-3.61 Gyr -1.709 -0.296 0.142
3.61-11.93 Gyr -0.577 0.108 0.292
11.93-13.26 Gyr -0.466 0.285 1.050

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.380 10.465 10.588
{\rm log}_{10}({\rm SFR}) -2.689 -1.413 -0.403
{\rm log}_{10}({\rm sSFR}) -13.144 -11.898 -10.840
{\rm stellar\ age} 7.447 8.572 12.397

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.714 -0.541 -0.406
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.461 -0.735 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.168 0.287 0.455
\delta -0.800 -0.489 -0.124
\tau_1/\tau_2 0.533 0.903 1.290
Q_{PAH} 0.333 1.119 3.049
U_{min} 2.787 7.783 15.236
{\rm log}_{10}(\gamma_e)\, -3.237 -2.044 -0.913

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.416 -3.547 -2.627
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.540 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.382 -1.517 -0.439
0.03-0.10 Gyr -3.336 -1.493 -0.416
0.10-0.33 Gyr -3.624 -1.417 -0.325
0.33-1.09 Gyr -3.290 -1.295 -0.235
1.09-3.61 Gyr -2.487 -0.562 0.361
3.61-11.93 Gyr -0.735 0.521 0.714
11.93-13.26 Gyr 0.191 0.930 1.699