2026ifb results

Information

Transient
Name:AT2026ifb
Right ascension: 15h58m08.89s
Declination:36d23m36.27s
Discovery Date:March 18, 2026, 7:30 p.m.
Classification:None
Redshift:None
MW E(B-V):0.021
Host
Name:J155808.61+362334.45
Right ascension: 15h58m08.61s
Declination:36d23m34.45s
Redshift:None
Photometric Redshift:0.075
 

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 17.07
Transient MWEBV processed 0.05
Host match processed 5.98
Host information processed 0.07
Host MWEBV processed 0.05
Global aperture construction processed 0.6
Global aperture photometry processed 5.21
Validate global photometry processed 15.71
Global host SED inference processed 443.91
Local aperture photometry processed 4.93
Validate local photometry processed 0.03
Local host SED inference processed 460.8
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h58m08.89s, 36d23m36.27s
semi major axis, semi minor axis (arcsec):1.4, 1.4
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 6.43 0.19 21.880 0.033 AB
PanSTARRS_g 7.06 0.42 21.778 0.065 AB
SDSS_r 8.19 0.93 21.617 0.123 AB
PanSTARRS_r 8.09 0.42 21.630 0.057 AB
SDSS_i 10.06 1.26 21.393 0.136 AB
PanSTARRS_i 10.33 0.35 21.364 0.037 AB
PanSTARRS_z 10.8 0.96 21.317 0.097 AB
SDSS_z 7.02 3.2 21.785 0.495 AB
PanSTARRS_y 9.51 2.14 21.454 0.244 AB

Aperture details

RA, DEC (J2000):15h58m08.61s, 36d23m34.41s
semi major axis, semi minor axis (arcsec):6.78, 4.48
angle (degrees, anti-clockwise from east):-176.23
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.43 4.43 20.624 0.235 AB
GALEX_NUV 25.91 3.19 20.366 0.134 AB
SDSS_u 74.04 5.1 19.226 0.075 AB
SDSS_g 115.32 3.12 18.745 0.029 AB
DES_g 115.22 0.81 18.746 0.008 AB
PanSTARRS_g 121.51 1.68 18.688 0.015 AB
SDSS_r 160.86 3.99 18.384 0.027 AB
PanSTARRS_r 163.15 1.66 18.369 0.011 AB
SDSS_i 202.18 5.31 18.136 0.029 AB
PanSTARRS_i 197.02 1.39 18.164 0.008 AB
PanSTARRS_z 210.61 3.75 18.091 0.019 AB
SDSS_z 231.1 12.88 17.990 0.061 AB
PanSTARRS_y 230.83 8.29 17.992 0.039 AB
2MASS_J 251.44 130.42 17.004 0.563 Vega
2MASS_H 367.88 211.34 16.118 0.624 Vega
2MASS_K 50.04 208.11 17.814 4.515 Vega
WISE_W1 118.98 12.04 16.012 0.110 Vega
WISE_W2 78.98 15.35 15.817 0.211 Vega
WISE_W3 99.06 45.39 13.736 0.497 Vega
WISE_W4 -132.25 250.29 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.829 8.102 8.268
{\rm log}_{10}({\rm SFR}) -1.963 -1.257 -0.401
{\rm log}_{10}({\rm sSFR}) -10.126 -9.306 -8.085
{\rm stellar\ age} 0.225 3.542 6.199

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.602 -0.789 -0.080
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.486 -0.837 -0.156

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.187 0.545 1.177
\delta -0.361 -0.020 0.245
\tau_1/\tau_2 0.639 1.069 1.474
Q_{PAH} 1.199 2.954 5.301
U_{min} 2.929 8.601 16.448
{\rm log}_{10}(\gamma_e)\, -3.022 -1.975 -0.981

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.473 -0.058 0.269
{\rm log}_{10}(\tau_{AGN})\, 1.204 1.566 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.368 -1.644 -1.169
0.03-0.10 Gyr -2.106 -1.216 -0.246
0.10-0.33 Gyr -2.373 -1.404 -0.747
0.33-1.07 Gyr -3.663 -1.609 -1.137
1.07-3.51 Gyr -4.874 -2.005 -1.514
3.51-11.49 Gyr -5.619 -2.280 -1.705
11.49-12.76 Gyr -5.545 -2.336 -1.579

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.223 9.475 9.650
{\rm log}_{10}({\rm SFR}) 0.090 0.348 0.668
{\rm log}_{10}({\rm sSFR}) -9.448 -9.110 -8.681
{\rm stellar\ age} 4.591 6.573 8.465

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.492 -0.946 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.943 0.212 0.410

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.157 0.257 0.392
\delta -0.790 -0.516 -0.267
\tau_1/\tau_2 0.549 1.009 1.469
Q_{PAH} 0.726 1.892 3.621
U_{min} 2.771 8.245 15.517
{\rm log}_{10}(\gamma_e)\, -3.145 -2.208 -0.996

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.881 -2.531 -1.778
{\rm log}_{10}(\tau_{AGN})\, 0.993 1.438 1.879

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.847 -0.948 -0.593
0.03-0.10 Gyr 0.243 0.504 0.828
0.10-0.33 Gyr -2.563 -0.584 0.034
0.33-1.07 Gyr -3.039 -0.927 -0.433
1.07-3.51 Gyr -2.393 -0.763 -0.386
3.51-11.49 Gyr -1.426 -0.535 -0.237
11.49-12.76 Gyr -1.320 -0.423 0.313