2026ygm results

Information

Transient
Name:AT2026ygm
Right ascension: 0h16m48.18s
Declination:21d02m28.48s
Discovery Date:Aug. 8, 2026, 12:23 a.m.
Classification:None
Redshift:None
MW E(B-V):0.038
Host
Name:J001648.52+210225.77
Object ID:9906629180591053
Catalog Name:decals
Catalog Release:dr9
Right ascension: 0h16m48.52s
Declination:21d02m25.77s
Redshift:None
Photometric Redshift:0.082
 

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 20.44
Transient MWEBV processed 0.14
Host match processed 5.78
Host information processed 0.14
Host MWEBV processed 0.08
Global aperture construction processed 0.63
Global aperture photometry processed 6.93
Validate global photometry processed 17.84
Global host SED inference processed 402.84
Local aperture photometry processed 6.56
Validate local photometry processed 0.03
Local host SED inference processed 441.5
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h16m48.18s, 21d02m28.48s
semi major axis, semi minor axis (arcsec):1.29, 1.29
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 4.97 0.15 22.159 0.034 AB
PanSTARRS_r 9.67 0.28 21.437 0.032 AB
DES_r 9.8 0.34 21.422 0.038 AB
SDSS_i 12.78 1.53 21.133 0.130 AB
PanSTARRS_i 13.4 0.47 21.082 0.038 AB
PanSTARRS_z 18.99 0.94 20.704 0.054 AB
SDSS_z 18.1 4.82 20.756 0.289 AB
DES_z 17.78 1.05 20.775 0.064 AB
PanSTARRS_y 14.58 2.31 20.991 0.172 AB

Aperture details

RA, DEC (J2000):0h16m48.53s, 21d02m26.01s
semi major axis, semi minor axis (arcsec):7.58, 5.06
angle (degrees, anti-clockwise from east):308.96
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.35 2.24 21.473 0.260 AB
GALEX_NUV 17.06 2.03 20.820 0.129 AB
SDSS_u 59.71 7.56 19.460 0.137 AB
SDSS_g 322.61 4.98 17.628 0.017 AB
DES_g 349.52 1.12 17.541 0.003 AB
PanSTARRS_g 351.93 1.47 17.534 0.005 AB
PanSTARRS_r 689.91 1.38 16.803 0.002 AB
DES_r 768.57 2.7 16.686 0.004 AB
SDSS_i 1030.31 10.18 16.368 0.011 AB
PanSTARRS_i 1004.14 2.28 16.396 0.002 AB
PanSTARRS_z 1274.96 4.49 16.136 0.004 AB
SDSS_z 1302.9 24.41 16.113 0.020 AB
DES_z 1387.94 8.83 16.044 0.007 AB
PanSTARRS_y 1469.29 10.99 15.982 0.008 AB
2MASS_J 2104.34 139.85 14.697 0.072 Vega
2MASS_H 2062.93 199.23 14.246 0.105 Vega
2MASS_K 2502.85 268.08 13.566 0.116 Vega
WISE_W1 1030.54 22.99 13.668 0.024 Vega
WISE_W2 680.94 30.22 13.478 0.048 Vega
WISE_W3 1471.75 96.28 10.806 0.071 Vega
WISE_W4 254.42 466.49 11.266 1.991 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.650 8.813 8.948
{\rm log}_{10}({\rm SFR}) -2.176 -1.423 -0.842
{\rm log}_{10}({\rm sSFR}) -10.924 -10.287 -9.592
{\rm stellar\ age} 2.871 6.556 8.121

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.465 -0.881 -0.274
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.576 -0.799 0.020

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.600 1.061 1.596
\delta -0.104 0.174 0.329
\tau_1/\tau_2 0.651 1.038 1.415
Q_{PAH} 0.985 2.911 5.302
U_{min} 2.956 8.594 15.903
{\rm log}_{10}(\gamma_e)\, -2.957 -1.963 -0.876

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.486 -0.286 0.128
{\rm log}_{10}(\tau_{AGN})\, 1.187 1.537 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.107 -1.850 -1.216
0.03-0.10 Gyr -2.259 -1.368 -0.754
0.10-0.33 Gyr -2.054 -1.304 -0.647
0.33-1.07 Gyr -2.426 -1.367 -0.816
1.07-3.49 Gyr -2.438 -1.202 -0.886
3.49-11.41 Gyr -2.465 -1.142 -0.903
11.41-12.67 Gyr -2.352 -1.115 -0.493

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.642 10.684 10.766
{\rm log}_{10}({\rm SFR}) -0.384 -0.074 0.232
{\rm log}_{10}({\rm sSFR}) -11.092 -10.764 -10.429
{\rm stellar\ age} 7.492 8.463 11.289

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.726 -0.512 -0.355
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.713 -0.508 0.284

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.199 0.301 0.435
\delta -0.644 -0.381 -0.147
\tau_1/\tau_2 0.605 1.047 1.447
Q_{PAH} 1.052 2.405 4.353
U_{min} 2.325 7.224 14.575
{\rm log}_{10}(\gamma_e)\, -3.253 -2.147 -1.337

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.820 -2.492 -1.695
{\rm log}_{10}(\tau_{AGN})\, 1.088 1.522 1.879

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.048 -0.314 -0.029
0.03-0.10 Gyr -0.452 -0.019 0.348
0.10-0.33 Gyr -0.558 -0.044 0.315
0.33-1.07 Gyr -1.011 -0.283 0.092
1.07-3.49 Gyr -1.165 -0.190 0.294
3.49-11.41 Gyr 0.101 0.831 0.945
11.41-12.67 Gyr 0.628 1.244 1.858