2026evi results

Information

Transient
Name:AT2026evi
Right ascension: 12h22m32.53s
Declination:8d47m36.41s
Discovery Date:Feb. 19, 2026, 5:59 a.m.
Classification:None
Redshift:None
MW E(B-V):0.017
Host
Name:1353780
Right ascension: 12h22m32.71s
Declination:8d47m33.12s
Redshift:0.099776
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_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 20.89
Transient MWEBV processed 0.12
Host match processed 4.39
Host information processed 0.05
Host MWEBV processed 0.19
Global aperture construction processed 0.62
Global aperture photometry processed 6.41
Validate global photometry processed 18.27
Global host SED inference processed 369.81
Local aperture photometry processed 6.08
Validate local photometry processed 0.03
Local host SED inference processed 515.0
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h22m32.53s, 8d47m36.41s
semi major axis, semi minor axis (arcsec):1.09, 1.09
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 19.94 0.35 20.651 0.019 AB
PanSTARRS_z 30.11 0.67 20.203 0.024 AB
DES_z 29.39 1.05 20.230 0.039 AB
PanSTARRS_y 36.0 1.4 20.009 0.042 AB

Aperture details

RA, DEC (J2000):12h22m32.70s, 8d47m33.34s
semi major axis, semi minor axis (arcsec):11.45, 7.05
angle (degrees, anti-clockwise from east):-72.75
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 42.58 0.88 19.827 0.022 AB
GALEX_NUV 76.54 0.73 19.190 0.010 AB
SDSS_u 231.2 6.59 17.990 0.031 AB
SDSS_g 642.49 7.32 16.880 0.012 AB
DES_g 674.41 1.35 16.828 0.002 AB
PanSTARRS_g 671.33 1.74 16.833 0.003 AB
SDSS_r 1136.05 9.59 16.262 0.009 AB
PanSTARRS_r 1142.48 2.46 16.255 0.002 AB
DES_r 1229.27 2.81 16.176 0.002 AB
SDSS_i 1600.62 11.79 15.889 0.008 AB
PanSTARRS_i 1580.63 2.79 15.903 0.002 AB
PanSTARRS_z 1865.56 5.5 15.723 0.003 AB
SDSS_z 2003.71 23.68 15.645 0.013 AB
DES_z 1964.08 8.59 15.667 0.005 AB
PanSTARRS_y 2153.18 11.53 15.567 0.006 AB
2MASS_J 3314.9 279.27 14.204 0.091 Vega
2MASS_H 4075.47 375.28 13.507 0.100 Vega
2MASS_K 2505.39 480.74 13.565 0.208 Vega
WISE_W1 1537.61 28.78 13.234 0.020 Vega
WISE_W2 1086.02 32.06 12.971 0.032 Vega
WISE_W3 4534.66 136.63 9.585 0.033 Vega
WISE_W4 4969.53 1045.53 8.039 0.228 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.816 9.047 9.176
{\rm log}_{10}({\rm SFR}) -1.503 -0.815 -0.108
{\rm log}_{10}({\rm sSFR}) -10.634 -9.864 -9.053
{\rm stellar\ age} 2.062 5.692 7.282

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.510 -0.786 -0.162
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.430 -0.689 0.065

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.310 0.771 1.218
\delta -0.488 -0.104 0.186
\tau_1/\tau_2 0.635 0.983 1.344
Q_{PAH} 0.948 2.677 5.080
U_{min} 3.060 7.945 14.929
{\rm log}_{10}(\gamma_e)\, -3.003 -1.769 -0.657

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.645 -0.570 0.015
{\rm log}_{10}(\tau_{AGN})\, 0.984 1.492 1.889

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.530 -0.835 -0.215
0.03-0.10 Gyr -1.929 -0.949 -0.108
0.10-0.33 Gyr -1.945 -0.985 -0.270
0.33-1.06 Gyr -1.953 -0.921 -0.378
1.06-3.45 Gyr -2.113 -0.925 -0.622
3.45-11.21 Gyr -2.202 -0.955 -0.653
11.21-12.46 Gyr -2.323 -1.043 -0.468

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.827 10.874 10.941
{\rm log}_{10}({\rm SFR}) 0.983 1.165 1.387
{\rm log}_{10}({\rm sSFR}) -9.922 -9.712 -9.478
{\rm stellar\ age} 6.842 7.635 9.923

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.462 -0.317 -0.222
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.080 0.284 0.432

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.166 0.215 0.308
\delta -0.944 -0.815 -0.619
\tau_1/\tau_2 0.669 1.026 1.405
Q_{PAH} 1.376 2.465 3.690
U_{min} 1.958 6.057 12.796
{\rm log}_{10}(\gamma_e)\, -2.848 -1.979 -1.247

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.320 -1.720 -1.395
{\rm log}_{10}(\tau_{AGN})\, 1.145 1.517 1.804

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.265 0.478 0.625
0.03-0.10 Gyr 1.103 1.304 1.538
0.10-0.33 Gyr -0.320 0.506 0.838
0.33-1.06 Gyr -0.370 0.297 0.567
1.06-3.45 Gyr -0.214 0.474 0.820
3.45-11.21 Gyr 0.629 1.013 1.124
11.21-12.46 Gyr 0.719 1.318 1.907