2026eqj results

Information

Transient
Name:AT2026eqj
Right ascension: 12h49m51.91s
Declination:34d08m16.98s
Discovery Date:Feb. 28, 2026, 10:58 a.m.
Classification:None
Redshift:None
MW E(B-V):0.011
Host
Name:
Right ascension: 12h49m51.77s
Declination:34d08m07.98s
Redshift:0.042405
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 16.7
Transient MWEBV processed 0.11
Host match processed 5.6
Host information processed 0.04
Host MWEBV processed 0.13
Global aperture construction processed 0.64
Global aperture photometry processed 4.57
Validate global photometry processed 15.52
Global host SED inference processed 388.36
Local aperture photometry processed 4.45
Validate local photometry processed 0.02
Local host SED inference processed 448.56
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h49m51.91s, 34d08m16.98s
semi major axis, semi minor axis (arcsec):2.39, 2.39
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 13.43 1.95 21.080 0.158 AB
SDSS_g 24.76 1.44 20.416 0.063 AB
PanSTARRS_g 28.66 0.48 20.257 0.018 AB
SDSS_r 34.1 1.84 20.068 0.058 AB
PanSTARRS_r 33.22 0.61 20.097 0.020 AB
SDSS_i 41.94 2.33 19.843 0.060 AB
PanSTARRS_i 41.09 0.67 19.866 0.018 AB
PanSTARRS_z 40.2 1.51 19.890 0.041 AB
SDSS_z 59.67 7.11 19.461 0.129 AB
PanSTARRS_y 56.13 2.94 19.527 0.057 AB

Aperture details

RA, DEC (J2000):12h49m51.76s, 34d08m08.29s
semi major axis, semi minor axis (arcsec):14.23, 8.98
angle (degrees, anti-clockwise from east):-166.03
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 88.85 9.5 19.028 0.116 AB
GALEX_NUV 127.32 6.78 18.638 0.058 AB
SDSS_g 714.02 7.6 16.766 0.012 AB
SDSS_r 1084.17 9.92 16.312 0.010 AB
PanSTARRS_r 1051.17 2.9 16.346 0.003 AB
PanSTARRS_z 1459.99 7.22 15.989 0.005 AB
SDSS_z 1830.32 33.94 15.744 0.020 AB
PanSTARRS_y 1760.49 13.8 15.786 0.009 AB
2MASS_H 2281.15 407.02 14.137 0.194 Vega
2MASS_K 2125.6 430.34 13.743 0.220 Vega
WISE_W1 895.38 24.5 13.821 0.030 Vega
WISE_W2 521.72 25.05 13.767 0.052 Vega
WISE_W4 1876.15 684.68 9.097 0.396 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.822 8.227 8.409
{\rm log}_{10}({\rm SFR}) -1.475 -0.823 -0.287
{\rm log}_{10}({\rm sSFR}) -9.801 -9.084 -8.018
{\rm stellar\ age} 0.216 3.854 6.759

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.570 -0.907 -0.243
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.978 -0.462 -0.033

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.323 0.812 1.293
\delta -0.183 0.152 0.317
\tau_1/\tau_2 0.689 1.114 1.524
Q_{PAH} 0.691 2.383 4.908
U_{min} 3.381 9.065 16.630
{\rm log}_{10}(\gamma_e)\, -2.999 -1.725 -0.773

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.608 -1.367 -0.262
{\rm log}_{10}(\tau_{AGN})\, 1.111 1.557 1.986

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.771 -1.309 -0.909
0.03-0.10 Gyr -1.548 -0.742 -0.138
0.10-0.33 Gyr -2.989 -1.231 -0.576
0.33-1.09 Gyr -4.539 -1.790 -1.142
1.09-3.60 Gyr -5.230 -2.058 -1.491
3.60-11.87 Gyr -5.758 -2.238 -1.560
11.87-13.19 Gyr -5.872 -2.261 -1.378

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.858 9.952 10.058
{\rm log}_{10}({\rm SFR}) -0.172 0.157 0.472
{\rm log}_{10}({\rm sSFR}) -10.159 -9.792 -9.432
{\rm stellar\ age} 6.514 7.562 9.285

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.036 -0.688 -0.452
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.526 -0.161 0.141

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.122 0.246 0.420
\delta -0.637 -0.267 0.034
\tau_1/\tau_2 0.641 1.006 1.370
Q_{PAH} 0.317 1.206 2.908
U_{min} 2.574 7.361 14.208
{\rm log}_{10}(\gamma_e)\, -3.081 -1.883 -1.052

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.462 -3.651 -2.722
{\rm log}_{10}(\tau_{AGN})\, 1.093 1.589 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.190 -0.516 -0.275
0.03-0.10 Gyr -0.091 0.293 0.627
0.10-0.33 Gyr -0.604 -0.018 0.304
0.33-1.09 Gyr -0.937 -0.318 -0.020
1.09-3.60 Gyr -0.937 -0.296 -0.019
3.60-11.87 Gyr -0.211 0.048 0.210
11.87-13.19 Gyr -0.287 0.218 0.800