2026ioh results

Information

Transient
Name:AT2026ioh
Right ascension: 12h09m18.28s
Declination:44d05m30.14s
Discovery Date:March 10, 2026, 2:51 p.m.
Classification:None
Redshift:None
MW E(B-V):0.012
Host
Name:NGC4137
Right ascension: 12h09m17.45s
Declination:44d05m24.27s
Redshift:0.037835
Photometric Redshift:None
 

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 17.36
Transient MWEBV processed 0.04
Host match processed 4.65
Host information processed 0.08
Host MWEBV processed 0.09
Global aperture construction processed 0.68
Global aperture photometry processed 5.06
Validate global photometry processed 16.18
Global host SED inference processed 457.42
Local aperture photometry processed 4.86
Validate local photometry processed 0.03
Local host SED inference processed 445.04
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h09m18.28s, 44d05m30.14s
semi major axis, semi minor axis (arcsec):2.67, 2.67
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 58.4 2.79 19.484 0.052 AB
SDSS_g 138.04 3.18 18.550 0.025 AB
PanSTARRS_g 133.05 0.58 18.590 0.005 AB
SDSS_r 187.98 3.71 18.215 0.021 AB
PanSTARRS_r 184.89 0.76 18.233 0.004 AB
SDSS_i 227.45 4.36 18.008 0.021 AB
PanSTARRS_i 221.47 0.93 18.037 0.005 AB
PanSTARRS_z 231.73 1.89 17.988 0.009 AB
SDSS_z 261.77 7.16 17.855 0.030 AB
PanSTARRS_y 279.97 3.61 17.782 0.014 AB

Aperture details

RA, DEC (J2000):12h09m17.53s, 44d05m26.70s
semi major axis, semi minor axis (arcsec):38.21, 27.14
angle (degrees, anti-clockwise from east):-12.75
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 848.67 28.69 16.578 0.037 AB
PanSTARRS_r 7511.92 8.71 14.211 0.001 AB
SDSS_i 9585.98 35.15 13.946 0.004 AB
PanSTARRS_i 9442.22 10.83 13.962 0.001 AB
PanSTARRS_z 9470.61 22.55 13.959 0.003 AB
SDSS_z 10851.65 76.42 13.811 0.008 AB
PanSTARRS_y 11941.15 43.37 13.707 0.004 AB
2MASS_J 11935.49 657.06 12.813 0.060 Vega
2MASS_H 12351.08 1157.36 12.303 0.102 Vega
2MASS_K 12969.9 967.12 11.780 0.081 Vega
WISE_W1 7402.68 63.24 11.528 0.009 Vega
WISE_W2 5063.01 76.18 11.300 0.016 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.668 8.924 9.095
{\rm log}_{10}({\rm SFR}) -1.188 -0.427 0.027
{\rm log}_{10}({\rm sSFR}) -10.181 -9.369 -8.735
{\rm stellar\ age} 2.687 5.818 7.659

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.521 -0.973 -0.500
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.044 0.138 0.386

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.171 0.504 0.818
\delta -0.517 -0.172 0.173
\tau_1/\tau_2 0.718 1.074 1.465
Q_{PAH} 0.556 1.836 4.190
U_{min} 2.789 7.657 14.782
{\rm log}_{10}(\gamma_e)\, -3.359 -2.265 -1.166

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.585 -1.603 -0.634
{\rm log}_{10}(\tau_{AGN})\, 0.931 1.359 1.824

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.608 -1.127 -0.740
0.03-0.10 Gyr -1.161 -0.298 0.172
0.10-0.33 Gyr -1.429 -0.622 -0.170
0.33-1.09 Gyr -2.087 -1.036 -0.660
1.09-3.61 Gyr -1.935 -1.061 -0.736
3.61-11.92 Gyr -2.189 -1.119 -0.826
11.92-13.25 Gyr -2.218 -1.123 -0.523

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.479 10.623 10.759
{\rm log}_{10}({\rm SFR}) 0.551 0.876 1.222
{\rm log}_{10}({\rm sSFR}) -10.099 -9.782 -9.399
{\rm stellar\ age} 4.771 6.736 8.170

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.206 -0.695 -0.240
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.671 -0.172 0.260

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.201 0.363 0.548
\delta -0.223 0.119 0.338
\tau_1/\tau_2 0.579 0.950 1.291
Q_{PAH} 0.226 0.844 3.230
U_{min} 2.007 6.000 12.738
{\rm log}_{10}(\gamma_e)\, -3.667 -2.938 -1.700

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.536 -2.002 -1.757
{\rm log}_{10}(\tau_{AGN})\, 0.823 1.095 1.619

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.315 0.672 0.897
0.03-0.10 Gyr 0.496 0.930 1.346
0.10-0.33 Gyr 0.144 0.675 1.070
0.33-1.09 Gyr 0.140 0.580 0.950
1.09-3.61 Gyr 0.235 0.641 0.902
3.61-11.92 Gyr 0.252 0.675 0.906
11.92-13.25 Gyr -0.039 0.709 1.250