2026cgb results

Information

Transient
Name:AT2026cgb
Right ascension: 7h42m30.29s
Declination:65d10m05.22s
Discovery Date:Feb. 2, 2026, 6:10 a.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:J074230.43+651005.87
Right ascension: 7h42m30.43s
Declination:65d10m05.87s
Redshift:None
Photometric Redshift:0.036
 

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 16.37
Transient MWEBV processed 0.07
Host match processed 4.55
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 5.04
Validate global photometry processed 15.95
Global host SED inference processed 587.6
Local aperture photometry processed 4.86
Validate local photometry processed 0.03
Local host SED inference processed 547.25
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h42m30.29s, 65d10m05.22s
semi major axis, semi minor axis (arcsec):2.82, 2.82
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 10.07 2.1 21.392 0.226 AB
SDSS_g 35.37 1.79 20.029 0.055 AB
PanSTARRS_g 33.53 0.55 20.087 0.018 AB
SDSS_r 42.88 2.08 19.819 0.053 AB
PanSTARRS_r 47.08 0.78 19.718 0.018 AB
SDSS_i 57.62 2.93 19.499 0.055 AB
PanSTARRS_i 51.24 0.71 19.626 0.015 AB
PanSTARRS_z 61.34 2.11 19.431 0.037 AB
SDSS_z 73.06 7.85 19.241 0.117 AB
PanSTARRS_y 50.2 5.71 19.648 0.123 AB
2MASS_H 99.15 86.36 17.542 0.946 Vega

Aperture details

RA, DEC (J2000):7h42m30.37s, 65d10m05.94s
semi major axis, semi minor axis (arcsec):5.67, 4.07
angle (degrees, anti-clockwise from east):-172.59
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.26 2.29 21.271 0.221 AB
GALEX_NUV 10.45 0.61 21.352 0.064 AB
SDSS_u 16.62 3.53 20.849 0.231 AB
SDSS_g 52.65 2.5 19.597 0.051 AB
PanSTARRS_g 52.26 0.93 19.605 0.019 AB
SDSS_r 65.75 2.97 19.355 0.049 AB
PanSTARRS_r 72.09 1.32 19.255 0.020 AB
SDSS_i 86.58 4.49 19.056 0.056 AB
PanSTARRS_i 77.59 1.2 19.176 0.017 AB
PanSTARRS_z 93.3 3.54 18.975 0.041 AB
SDSS_z 92.61 13.15 18.983 0.154 AB
PanSTARRS_y 58.53 9.59 19.482 0.178 AB
2MASS_J 118.28 113.87 17.823 1.045 Vega
2MASS_H 220.51 166.33 16.674 0.819 Vega
2MASS_K -207.53 187.89 Vega
WISE_W1 41.63 11.35 17.152 0.296 Vega
WISE_W2 3.28 13.11 19.270 4.335 Vega
WISE_W3 46.33 61.89 14.561 1.450 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.049 8.232 8.348
{\rm log}_{10}({\rm SFR}) -2.262 -1.746 -1.184
{\rm log}_{10}({\rm sSFR}) -10.556 -10.004 -9.356
{\rm stellar\ age} 2.271 5.069 6.711

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.297 -0.744 -0.284
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.885 -1.672 -1.259

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.091 0.268 0.598
\delta -0.752 -0.232 0.188
\tau_1/\tau_2 0.696 1.072 1.438
Q_{PAH} 1.275 3.323 5.552
U_{min} 3.154 8.229 15.300
{\rm log}_{10}(\gamma_e)\, -3.004 -1.890 -0.706

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.625 -0.563 -0.069
{\rm log}_{10}(\tau_{AGN})\, 1.121 1.628 2.035

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.252 -1.766 -1.398
0.03-0.10 Gyr -2.511 -1.759 -1.107
0.10-0.33 Gyr -2.098 -1.442 -0.904
0.33-1.09 Gyr -1.804 -1.348 -1.061
1.09-3.61 Gyr -2.271 -1.621 -1.376
3.61-11.95 Gyr -2.724 -1.865 -1.588
11.95-13.28 Gyr -2.958 -1.947 -1.448

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.428 8.559 8.656
{\rm log}_{10}({\rm SFR}) -1.782 -1.443 -1.067
{\rm log}_{10}({\rm sSFR}) -10.330 -9.987 -9.612
{\rm stellar\ age} 5.507 6.875 8.230

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.668 -1.334 -0.925
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.925 -1.760 -1.442

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.035 0.203 0.448
\delta -0.183 0.185 0.341
\tau_1/\tau_2 0.579 0.969 1.367
Q_{PAH} 1.875 4.030 5.923
U_{min} 3.262 9.015 16.272
{\rm log}_{10}(\gamma_e)\, -2.478 -1.338 -0.454

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.929 -0.950 -0.485
{\rm log}_{10}(\tau_{AGN})\, 1.288 1.735 1.998

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.419 -1.806 -1.440
0.03-0.10 Gyr -1.792 -1.368 -0.937
0.10-0.33 Gyr -1.733 -1.311 -0.945
0.33-1.09 Gyr -1.838 -1.422 -1.115
1.09-3.61 Gyr -1.784 -1.442 -1.225
3.61-11.95 Gyr -1.686 -1.383 -1.223
11.95-13.28 Gyr -1.785 -1.286 -0.798