2026ihg results

Information

Transient
Name:AT2026ihg
Right ascension: 15h31m09.23s
Declination:46d30m04.13s
Discovery Date:March 30, 2026, 7:27 p.m.
Classification:None
Redshift:None
MW E(B-V):0.011
Host
Name:2282285
Right ascension: 15h31m09.17s
Declination:46d30m05.07s
Redshift:None
Photometric Redshift:0.077
 

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 19.53
Transient MWEBV processed 0.04
Host match processed 4.92
Host information processed 0.14
Host MWEBV processed 0.12
Global aperture construction processed 0.63
Global aperture photometry processed 4.64
Validate global photometry processed 15.32
Global host SED inference processed 398.31
Local aperture photometry processed 4.4
Validate local photometry processed 0.02
Local host SED inference processed 436.12
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h31m09.23s, 46d30m04.13s
semi major axis, semi minor axis (arcsec):1.38, 1.38
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 83.05 0.38 19.102 0.005 AB
SDSS_r 180.72 3.54 18.257 0.021 AB
PanSTARRS_r 152.51 0.51 18.442 0.004 AB
SDSS_i 250.48 4.2 17.903 0.018 AB
PanSTARRS_i 223.08 0.54 18.029 0.003 AB
PanSTARRS_z 250.82 1.16 17.902 0.005 AB
SDSS_z 323.41 5.95 17.626 0.020 AB
PanSTARRS_y 321.67 2.67 17.631 0.009 AB

Aperture details

RA, DEC (J2000):15h31m09.13s, 46d30m04.82s
semi major axis, semi minor axis (arcsec):5.97, 5.57
angle (degrees, anti-clockwise from east):-57.93
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.24 0.34 21.610 0.045 AB
GALEX_NUV 14.2 0.28 21.020 0.022 AB
SDSS_u 51.07 4.53 19.630 0.096 AB
SDSS_g 302.27 4.76 17.699 0.017 AB
PanSTARRS_g 322.93 1.42 17.627 0.005 AB
SDSS_r 587.25 6.76 16.978 0.012 AB
PanSTARRS_r 601.24 1.91 16.952 0.003 AB
SDSS_i 829.98 8.32 16.602 0.011 AB
PanSTARRS_i 840.97 2.01 16.588 0.003 AB
PanSTARRS_z 978.61 4.63 16.423 0.005 AB
SDSS_z 941.55 17.46 16.465 0.020 AB
PanSTARRS_y 1178.0 10.97 16.222 0.010 AB
2MASS_J 1524.84 116.73 15.047 0.083 Vega
2MASS_H 1647.34 167.01 14.490 0.110 Vega
2MASS_K 1659.09 244.17 14.013 0.160 Vega
WISE_W1 655.49 10.73 14.160 0.018 Vega
WISE_W2 396.96 12.5 14.064 0.034 Vega
WISE_W3 627.25 35.16 11.732 0.061 Vega
WISE_W4 874.38 250.14 9.926 0.311 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.800 9.913 10.033
{\rm log}_{10}({\rm SFR}) -1.266 -0.524 0.059
{\rm log}_{10}({\rm sSFR}) -11.184 -10.420 -9.801
{\rm stellar\ age} 5.706 7.519 10.715

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.348 -0.773 -0.396
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.763 0.128 0.348

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.212 0.662 1.155
\delta -0.720 -0.231 0.114
\tau_1/\tau_2 0.697 1.059 1.406
Q_{PAH} 0.589 2.297 4.890
U_{min} 2.752 7.767 14.752
{\rm log}_{10}(\gamma_e)\, -3.406 -2.349 -0.902

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.545 -1.147 -0.341
{\rm log}_{10}(\tau_{AGN})\, 0.906 1.306 1.858

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.105 -0.584 -0.151
0.03-0.10 Gyr -1.601 -0.545 0.137
0.10-0.33 Gyr -1.885 -0.694 0.003
0.33-1.07 Gyr -1.897 -0.668 0.004
1.07-3.51 Gyr -1.675 -0.375 0.085
3.51-11.47 Gyr -0.726 -0.030 0.162
11.47-12.75 Gyr -0.562 0.197 1.019

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.386 10.436 10.497
{\rm log}_{10}({\rm SFR}) -0.870 -0.590 -0.313
{\rm log}_{10}({\rm sSFR}) -11.336 -11.016 -10.728
{\rm stellar\ age} 7.228 7.974 10.156

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.872 -0.706 -0.574
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.023 -0.437 0.033

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.155 0.228 0.345
\delta -0.798 -0.577 -0.350
\tau_1/\tau_2 0.583 0.985 1.390
Q_{PAH} 0.778 1.756 3.569
U_{min} 2.477 7.506 14.945
{\rm log}_{10}(\gamma_e)\, -2.858 -1.923 -1.165

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.406 -3.439 -2.421
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.547 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.678 -0.469 -0.296
0.03-0.10 Gyr -1.301 -0.677 -0.270
0.10-0.33 Gyr -1.346 -0.657 -0.228
0.33-1.07 Gyr -1.244 -0.500 -0.062
1.07-3.51 Gyr -0.959 -0.137 0.330
3.51-11.47 Gyr 0.302 0.616 0.714
11.47-12.75 Gyr 0.267 0.810 1.433