2026iyh results

Information

Transient
Name:AT2026iyh
Right ascension: 8h41m36.64s
Declination:41d14m51.53s
Discovery Date:March 18, 2026, 6:46 a.m.
Classification:None
Redshift:None
MW E(B-V):0.029
Host
Name:SDSSJ084136.93+41145
Right ascension: 8h41m36.96s
Declination:41d14m58.38s
Redshift:None
Photometric Redshift:0.056
 

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 17.62
Transient MWEBV processed 0.07
Host match processed 5.79
Host information processed 0.06
Host MWEBV processed 0.05
Global aperture construction processed 0.62
Global aperture photometry processed 5.28
Validate global photometry processed 16.52
Global host SED inference processed 445.89
Local aperture photometry processed 4.88
Validate local photometry processed 0.02
Local host SED inference processed 553.38
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h41m36.64s, 41d14m51.53s
semi major axis, semi minor axis (arcsec):1.83, 1.83
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 1.53 1.66 23.439 1.179 AB
SDSS_g 1.29 0.66 23.623 0.554 AB
PanSTARRS_g 1.31 0.41 23.603 0.335 AB
SDSS_r 2.47 0.91 22.917 0.399 AB
PanSTARRS_r 2.68 0.47 22.830 0.190 AB
SDSS_i 0.8 1.32 24.139 1.786 AB
PanSTARRS_i 2.17 0.39 23.058 0.196 AB
PanSTARRS_z 2.7 1.2 22.822 0.483 AB
SDSS_z 7.32 3.97 21.739 0.589 AB
PanSTARRS_y 0.71 3.64 24.269 5.557 AB

Aperture details

RA, DEC (J2000):8h41m36.94s, 41d14m58.84s
semi major axis, semi minor axis (arcsec):7.83, 6.31
angle (degrees, anti-clockwise from east):-176.74
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.29 5.75 19.914 0.159 AB
GALEX_NUV 49.86 2.79 19.656 0.061 AB
SDSS_u 64.66 6.57 19.373 0.110 AB
SDSS_g 208.71 4.27 18.101 0.022 AB
PanSTARRS_g 202.27 1.57 18.135 0.008 AB
SDSS_r 268.17 5.18 17.829 0.021 AB
PanSTARRS_r 262.88 1.79 17.851 0.007 AB
SDSS_i 325.01 6.65 17.620 0.022 AB
PanSTARRS_i 332.78 1.48 17.595 0.005 AB
PanSTARRS_z 349.26 4.58 17.542 0.014 AB
SDSS_z 369.74 15.74 17.480 0.046 AB
PanSTARRS_y 338.55 13.83 17.576 0.044 AB
2MASS_J 600.95 161.42 16.058 0.292 Vega
2MASS_H 201.51 244.42 16.772 1.317 Vega
2MASS_K 576.87 265.14 15.159 0.499 Vega
WISE_W1 149.15 12.05 15.767 0.088 Vega
WISE_W2 104.15 15.7 15.517 0.164 Vega
WISE_W3 155.49 94.3 13.247 0.658 Vega
WISE_W4 603.16 509.19 10.329 0.917 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 6.814 7.382 7.925
{\rm log}_{10}({\rm SFR}) -1.640 -1.278 -0.886
{\rm log}_{10}({\rm sSFR}) -9.412 -8.435 -7.963
{\rm stellar\ age} 0.024 4.289 7.449

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.789 -0.118 0.118
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.645 -1.179 -0.271

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.255 1.758 2.427
\delta 0.044 0.202 0.320
\tau_1/\tau_2 0.646 1.014 1.441
Q_{PAH} 0.724 2.362 5.216
U_{min} 3.598 9.271 17.103
{\rm log}_{10}(\gamma_e)\, -3.179 -2.054 -0.595

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.989 -0.675 0.235
{\rm log}_{10}(\tau_{AGN})\, 0.956 1.471 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.389 -0.894 -0.446
0.03-0.10 Gyr -4.135 -2.283 -1.379
0.10-0.33 Gyr -6.356 -3.061 -1.965
0.33-1.08 Gyr -7.600 -3.383 -2.158
1.08-3.56 Gyr -7.835 -3.405 -2.111
3.56-11.71 Gyr -7.944 -3.153 -1.997
11.71-13.01 Gyr -8.429 -3.161 -1.792

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.484 9.580 9.670
{\rm log}_{10}({\rm SFR}) -0.508 -0.212 0.058
{\rm log}_{10}({\rm sSFR}) -10.073 -9.759 -9.488
{\rm stellar\ age} 6.249 7.285 9.278

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.800 -1.530 -1.170
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.805 -1.227 0.100

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.095 0.202 0.338
\delta -0.263 0.081 0.277
\tau_1/\tau_2 0.591 1.005 1.411
Q_{PAH} 0.814 2.612 4.777
U_{min} 2.940 8.576 16.056
{\rm log}_{10}(\gamma_e)\, -2.280 -1.333 -0.524

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.088 -2.690 -1.669
{\rm log}_{10}(\tau_{AGN})\, 1.098 1.607 1.956

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.145 -1.006 -0.695
0.03-0.10 Gyr -0.415 -0.081 0.212
0.10-0.33 Gyr -0.660 -0.236 0.083
0.33-1.08 Gyr -1.114 -0.564 -0.289
1.08-3.56 Gyr -1.218 -0.598 -0.339
3.56-11.71 Gyr -0.690 -0.342 -0.190
11.71-13.01 Gyr -0.678 -0.145 0.503