2026cop results

Information

Transient
Name:AT2026cop
Right ascension: 23h15m45.68s
Declination:8d55m48.98s
Discovery Date:Feb. 7, 2026, 2:20 a.m.
Classification:None
Redshift:None
MW E(B-V):0.050
Host
Name:
Right ascension: 23h15m45.24s
Declination:8d55m44.56s
Redshift:None
Photometric Redshift:0.046
 

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 20.03
Transient MWEBV processed 0.06
Host match processed 5.09
Host information processed 0.17
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 7.01
Validate global photometry processed 20.05
Global host SED inference processed 907.2
Local aperture photometry processed 6.62
Validate local photometry processed 0.03
Local host SED inference processed 459.0
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h15m45.68s, 8d55m48.98s
semi major axis, semi minor axis (arcsec):2.23, 2.23
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 -0.15 2.07 AB
SDSS_g 17.0 1.27 20.824 0.081 AB
DES_g 20.15 0.32 20.639 0.017 AB
PanSTARRS_g 20.66 0.5 20.612 0.026 AB
SDSS_r 41.7 2.09 19.850 0.054 AB
PanSTARRS_r 39.9 0.52 19.898 0.014 AB
DES_r 38.68 0.66 19.931 0.018 AB
SDSS_i 59.91 2.77 19.456 0.050 AB
PanSTARRS_i 58.23 0.72 19.487 0.013 AB
PanSTARRS_z 80.59 1.45 19.134 0.020 AB
SDSS_z 83.37 7.63 19.098 0.099 AB
DES_z 82.4 2.58 19.110 0.034 AB
PanSTARRS_y 92.34 4.07 18.986 0.048 AB

Aperture details

RA, DEC (J2000):23h15m45.22s, 8d55m44.99s
semi major axis, semi minor axis (arcsec):12.96, 11.84
angle (degrees, anti-clockwise from east):-11.4
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.86 2.58 20.970 0.189 AB
GALEX_NUV 8.15 2.28 21.622 0.303 AB
SDSS_u 106.28 11.76 18.834 0.120 AB
SDSS_g 1030.22 9.19 16.368 0.010 AB
DES_g 1134.02 2.33 16.263 0.002 AB
PanSTARRS_g 1171.26 2.81 16.228 0.003 AB
SDSS_r 2391.43 14.52 15.453 0.007 AB
PanSTARRS_r 2351.26 2.94 15.472 0.001 AB
DES_r 2363.57 4.75 15.466 0.002 AB
SDSS_i 3459.05 18.69 15.053 0.006 AB
PanSTARRS_i 3557.21 4.03 15.022 0.001 AB
PanSTARRS_z 4542.56 8.07 14.757 0.002 AB
SDSS_z 4879.43 44.3 14.679 0.010 AB
PanSTARRS_y 5629.29 22.73 14.524 0.004 AB
2MASS_J 7052.97 321.12 13.384 0.049 Vega
2MASS_H 8013.91 494.2 12.773 0.067 Vega
2MASS_K 7115.56 552.32 12.432 0.084 Vega
WISE_W1 2885.13 39.48 12.551 0.015 Vega
WISE_W2 1608.47 43.12 12.545 0.029 Vega
WISE_W3 448.56 138.31 12.096 0.335 Vega
WISE_W4 1454.11 756.79 9.374 0.565 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.822 8.979 9.099
{\rm log}_{10}({\rm SFR}) -2.420 -1.452 -0.647
{\rm log}_{10}({\rm sSFR}) -11.360 -10.451 -9.526
{\rm stellar\ age} 3.260 6.964 8.911

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.152 -0.417 -0.022
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.522 -0.803 -0.030

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.502 1.117 1.717
\delta -0.156 0.101 0.295
\tau_1/\tau_2 0.688 1.071 1.467
Q_{PAH} 0.774 2.513 5.280
U_{min} 2.915 7.948 15.774
{\rm log}_{10}(\gamma_e)\, -3.210 -1.935 -0.608

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.962 -0.784 -0.014
{\rm log}_{10}(\tau_{AGN})\, 1.145 1.546 1.935

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.938 -2.332 -1.456
0.03-0.10 Gyr -2.476 -1.360 -0.503
0.10-0.33 Gyr -2.366 -1.342 -0.633
0.33-1.09 Gyr -2.510 -1.304 -0.587
1.09-3.59 Gyr -2.466 -1.131 -0.729
3.59-11.83 Gyr -2.493 -0.982 -0.780
11.83-13.15 Gyr -2.281 -0.938 -0.211

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.755 10.830 10.854
{\rm log}_{10}({\rm SFR}) -1.822 -1.377 -0.959
{\rm log}_{10}({\rm sSFR}) -12.667 -12.179 -11.754
{\rm stellar\ age} 9.973 12.389 12.482

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.593 -0.488 -0.400
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.845 -0.602 -0.370

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.109 0.175 0.251
\delta -0.941 -0.811 -0.617
\tau_1/\tau_2 0.251 0.622 1.066
Q_{PAH} 0.224 0.736 1.891
U_{min} 3.179 8.901 16.533
{\rm log}_{10}(\gamma_e)\, -1.526 -0.915 -0.433

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.674 -3.956 -3.014
{\rm log}_{10}(\tau_{AGN})\, 1.098 1.631 1.981

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.613 -1.203 -0.857
0.03-0.10 Gyr -3.355 -1.636 -0.978
0.10-0.33 Gyr -4.405 -1.780 -1.004
0.33-1.09 Gyr -4.197 -1.830 -0.929
1.09-3.59 Gyr -3.586 -1.744 -0.752
3.59-11.83 Gyr -2.065 -0.713 0.805
11.83-13.15 Gyr 1.562 1.958 1.987