2026acjw results

Information

Transient
Name:AT2026acjw
Right ascension: 7h47m22.69s
Declination:17d49m24.36s
Discovery Date:Sept. 20, 2026, 6 a.m.
Classification:None
Redshift:None
MW E(B-V):0.030
Host
Name:J074722.69+174924.35
Object ID:9906628048655579
Catalog Name:decals
Catalog Release:dr9
Right ascension: 7h47m22.69s
Declination:17d49m24.35s
Redshift:0.072107
Photometric Redshift:None
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.88
Transient MWEBV processed 0.2
Host match processed 5.35
Host information processed 0.04
Host MWEBV processed 0.13
Host spectrum download processed 0.11
Global aperture construction processed 0.68
Global aperture photometry processed 7.34
Validate global photometry processed 20.91
Global host SED inference processed 350.8
Local aperture photometry processed 7.18
Validate local photometry processed 0.03
Local host SED inference processed 403.17
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.392 9.554 9.673
{\rm log}_{10}({\rm SFR}) -1.421 -0.718 -0.075
{\rm log}_{10}({\rm sSFR}) -10.993 -10.284 -9.540
{\rm stellar\ age} 2.979 6.501 7.898

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.327 -0.659 -0.231
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.514 -0.624 0.118

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.191 0.590 1.170
\delta -0.506 -0.073 0.232
\tau_1/\tau_2 0.688 1.004 1.320
Q_{PAH} 0.587 1.760 3.920
U_{min} 2.999 8.297 16.371
{\rm log}_{10}(\gamma_e)\, -2.828 -1.459 -0.460

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.159 -2.468 -0.370
{\rm log}_{10}(\tau_{AGN})\, 1.052 1.463 1.909

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.992 -0.974 -0.435
0.03-0.10 Gyr -1.497 -0.691 0.002
0.10-0.33 Gyr -1.276 -0.567 0.106
0.33-1.07 Gyr -1.377 -0.603 -0.106
1.07-3.52 Gyr -1.352 -0.473 -0.158
3.52-11.52 Gyr -1.346 -0.376 -0.175
11.52-12.80 Gyr -1.702 -0.421 0.138

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.938 10.003 10.076
{\rm log}_{10}({\rm SFR}) -0.409 -0.184 0.048
{\rm log}_{10}({\rm sSFR}) -10.429 -10.203 -9.951
{\rm stellar\ age} 5.456 6.502 7.463

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.035 -0.585 -0.312
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.529 -0.705 0.092

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.147 0.289 0.516
\delta -0.251 0.080 0.280
\tau_1/\tau_2 0.676 0.971 1.265
Q_{PAH} 0.856 2.577 4.831
U_{min} 2.592 7.464 14.336
{\rm log}_{10}(\gamma_e)\, -2.883 -1.750 -0.760

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.458 -3.547 -2.380
{\rm log}_{10}(\tau_{AGN})\, 1.107 1.567 1.970

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.579 -0.311 -0.108
0.03-0.10 Gyr -0.437 -0.141 0.137
0.10-0.33 Gyr -0.391 -0.014 0.308
0.33-1.07 Gyr -0.313 -0.019 0.206
1.07-3.52 Gyr -0.135 0.122 0.319
3.52-11.52 Gyr -0.082 0.118 0.247
11.52-12.80 Gyr -0.418 0.081 0.481
 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h47m22.69s, 17d49m24.36s
semi major axis, semi minor axis (arcsec):1.46, 1.46
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 53.12 1.93 19.587 0.039 AB
DES_g 58.29 0.45 19.486 0.008 AB
PanSTARRS_g 58.31 0.41 19.486 0.008 AB
SDSS_r 95.88 2.6 18.946 0.029 AB
PanSTARRS_r 97.8 0.41 18.924 0.005 AB
DES_r 109.38 0.95 18.803 0.009 AB
SDSS_i 139.29 3.18 18.540 0.025 AB
PanSTARRS_i 135.1 0.69 18.573 0.006 AB
DES_i 157.99 1.56 18.403 0.011 AB
PanSTARRS_z 167.79 1.03 18.338 0.007 AB
SDSS_z 171.62 5.8 18.314 0.037 AB
DES_z 185.89 2.61 18.227 0.015 AB
PanSTARRS_y 187.25 2.36 18.219 0.014 AB

Aperture details

RA, DEC (J2000):7h47m22.68s, 17d49m24.44s
semi major axis, semi minor axis (arcsec):7.7, 5.78
angle (degrees, anti-clockwise from east):327.88
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 29.92 3.51 20.210 0.127 AB
GALEX_NUV 31.01 2.54 20.171 0.089 AB
SDSS_u 55.54 5.9 19.539 0.115 AB
SDSS_g 220.05 4.26 18.044 0.021 AB
DES_g 240.5 0.99 17.947 0.004 AB
PanSTARRS_g 235.36 1.71 17.971 0.008 AB
SDSS_r 361.57 5.59 17.505 0.017 AB
PanSTARRS_r 348.84 1.75 17.543 0.005 AB
DES_r 409.87 1.97 17.368 0.005 AB
SDSS_i 500.62 7.06 17.151 0.015 AB
PanSTARRS_i 467.47 2.99 17.226 0.007 AB
DES_i 524.08 3.18 17.102 0.007 AB
PanSTARRS_z 550.0 4.53 17.049 0.009 AB
SDSS_z 650.87 22.67 16.866 0.038 AB
DES_z 606.11 5.04 16.944 0.009 AB
PanSTARRS_y 597.49 10.63 16.959 0.019 AB
2MASS_J 730.86 175.29 15.846 0.260 Vega
2MASS_H 1275.79 272.19 14.768 0.232 Vega
2MASS_K 791.38 287.35 14.816 0.394 Vega
WISE_W2 238.65 22.46 14.617 0.102 Vega