2025gu results

Information

Transient
Name:AT2025gu
Right ascension: 22h14m38.58s
Declination:32d39m43.51s
Discovery Date:Jan. 6, 2025, 2:17 a.m.
Classification:None
Redshift:None
MW E(B-V):0.069
Host
Name:2025gu
Right ascension: 22h14m38.60s
Declination:32d39m42.79s
Redshift:0.021808
Photometric Redshift:0.032
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_NUV
GALEX_FUV
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 2.34
Transient MWEBV processed 0.04
Host match processed 2.07
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.59
Global aperture photometry processed 3.35
Validate global photometry processed 9.66
Global host SED inference processed 566.94
Local aperture photometry processed 3.26
Validate local photometry processed 0.02
Local host SED inference processed 486.04
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h14m38.58s, 32d39m43.51s
semi major axis, semi minor axis (arcsec):4.54, 4.54
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 1586.25 1.37 15.899 0.001 AB
PanSTARRS_r 3392.2 1.78 15.074 0.001 AB
PanSTARRS_i 4952.3 1.82 14.663 0.000 AB
PanSTARRS_z 6221.87 4.12 14.415 0.001 AB
PanSTARRS_y 7776.89 11.08 14.173 0.002 AB
2MASS_J 9335.17 119.77 13.080 0.014 Vega
2MASS_H 11399.96 190.5 12.390 0.018 Vega
2MASS_K 9853.86 192.87 12.078 0.021 Vega

Aperture details

RA, DEC (J2000):22h14m38.61s, 32d39m42.84s
semi major axis, semi minor axis (arcsec):18.36, 9.26
angle (degrees, anti-clockwise from east):-45.22
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 2750.02 3.13 15.302 0.001 AB
PanSTARRS_r 5758.26 3.83 14.499 0.001 AB
PanSTARRS_i 8272.74 4.22 14.106 0.001 AB
PanSTARRS_z 10282.94 10.26 13.870 0.001 AB
PanSTARRS_y 13208.6 30.68 13.598 0.003 AB
2MASS_J 16610.99 377.0 12.454 0.025 Vega
2MASS_H 19766.69 606.22 11.793 0.033 Vega
2MASS_K 16491.67 618.17 11.519 0.041 Vega
WISE_W1 8121.05 58.66 11.427 0.008 Vega
WISE_W2 4502.17 62.24 11.427 0.015 Vega
WISE_W3 3079.12 210.7 10.005 0.074 Vega
WISE_W4 2374.17 1186.11 8.841 0.542 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.919 10.120 10.276
{\rm log}_{10}({\rm SFR}) -0.922 -0.173 0.481
{\rm log}_{10}({\rm sSFR}) -11.115 -10.336 -9.477
{\rm stellar\ age} 4.500 6.787 8.380

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.250 -0.649 -0.265
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.499 -0.081 0.251

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.640 0.919 1.188
\delta -0.783 -0.579 -0.198
\tau_1/\tau_2 0.658 0.986 1.316
Q_{PAH} 0.399 2.250 5.367
U_{min} 2.527 7.285 14.326
{\rm log}_{10}(\gamma_e)\, -3.212 -1.900 -1.185

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.545 -3.509 -1.448
{\rm log}_{10}(\tau_{AGN})\, 0.983 1.415 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.720 -0.108 0.216
0.03-0.10 Gyr -1.249 -0.223 0.578
0.10-0.33 Gyr -1.151 -0.111 0.457
0.33-1.10 Gyr -0.893 0.031 0.411
1.10-3.65 Gyr -0.398 0.163 0.440
3.65-12.12 Gyr -0.465 0.112 0.390
12.12-13.47 Gyr -0.596 0.174 0.737

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.405 10.493 10.598
{\rm log}_{10}({\rm SFR}) -3.491 -1.586 -0.173
{\rm log}_{10}({\rm sSFR}) -13.950 -12.071 -10.576
{\rm stellar\ age} 7.885 9.806 12.740

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.560 -0.388 -0.246
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.518 -0.302 0.302

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.129 0.253 0.460
\delta -0.807 -0.442 0.018
\tau_1/\tau_2 0.380 0.796 1.273
Q_{PAH} 0.161 0.601 1.897
U_{min} 3.316 8.423 16.211
{\rm log}_{10}(\gamma_e)\, -3.495 -2.078 -0.984

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.638 -3.978 -3.110
{\rm log}_{10}(\tau_{AGN})\, 1.072 1.622 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.027 -1.489 -0.349
0.03-0.10 Gyr -4.776 -1.905 -0.148
0.10-0.33 Gyr -5.276 -2.114 -0.330
0.33-1.10 Gyr -4.738 -2.000 -0.505
1.10-3.65 Gyr -3.304 -1.105 0.085
3.65-12.12 Gyr -1.496 0.422 0.699
12.12-13.47 Gyr 0.259 1.218 1.712