2025gr results

Information

Transient
Name:AT2025gr
Right ascension: 15h57m43.57s
Declination:27d27m52.41s
Discovery Date:Jan. 6, 2025, 2:46 p.m.
Classification:None
Redshift:None
MW E(B-V):0.036
Host
Name:2025gr
Right ascension: 15h57m43.53s
Declination:27d27m52.99s
Redshift:0.031559
Photometric Redshift:0.036
 

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
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_z
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.75
Transient MWEBV processed 0.04
Host match processed 2.04
Host information processed 0.08
Host MWEBV processed 0.06
Global aperture construction processed 0.58
Global aperture photometry processed 5.87
Validate global photometry processed 16.16
Global host SED inference processed 426.24
Local aperture photometry processed 5.77
Validate local photometry processed 0.02
Local host SED inference processed 473.33
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h57m43.57s, 27d27m52.41s
semi major axis, semi minor axis (arcsec):3.17, 3.17
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 98.14 3.5 18.920 0.039 AB
SDSS_g 491.3 5.81 17.172 0.013 AB
DES_g 536.07 1.09 17.077 0.002 AB
PanSTARRS_g 502.49 0.96 17.147 0.002 AB
SDSS_r 1169.37 8.97 16.230 0.008 AB
PanSTARRS_r 1180.55 1.48 16.220 0.001 AB
DES_r 1383.59 3.0 16.047 0.002 AB
SDSS_i 1895.31 11.56 15.706 0.007 AB
PanSTARRS_i 1861.06 1.76 15.726 0.001 AB
PanSTARRS_z 2536.15 2.58 15.390 0.001 AB
SDSS_z 2858.79 17.12 15.260 0.007 AB
DES_z 2994.09 10.84 15.209 0.004 AB
PanSTARRS_y 3277.68 5.28 15.111 0.002 AB
2MASS_J 4416.58 75.46 13.892 0.019 Vega
2MASS_H 6319.04 111.75 13.031 0.019 Vega
2MASS_K 6165.15 112.88 12.587 0.020 Vega

Aperture details

RA, DEC (J2000):15h57m43.52s, 27d27m53.37s
semi major axis, semi minor axis (arcsec):21.28, 9.41
angle (degrees, anti-clockwise from east):-174.83
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1675.72 2.11 15.839 0.001 AB
PanSTARRS_g 1672.06 3.59 15.842 0.002 AB
PanSTARRS_r 3337.96 5.5 15.091 0.002 AB
PanSTARRS_y 7869.56 22.27 14.160 0.003 AB
2MASS_J 10646.26 362.0 12.937 0.037 Vega
2MASS_K 12465.73 551.03 11.823 0.048 Vega
WISE_W1 7209.79 50.05 11.556 0.008 Vega
WISE_W3 28247.52 212.38 7.599 0.008 Vega
WISE_W4 80655.74 2363.12 5.013 0.032 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.940 10.134 10.293
{\rm log}_{10}({\rm SFR}) -0.536 0.339 0.908
{\rm log}_{10}({\rm sSFR}) -10.765 -9.815 -9.073
{\rm stellar\ age} 4.960 7.068 8.838

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.970 -0.485 -0.168
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.645 0.088 0.325

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.965 1.407 1.792
\delta -0.584 -0.383 -0.107
\tau_1/\tau_2 0.626 1.019 1.446
Q_{PAH} 0.778 2.381 4.545
U_{min} 2.535 7.554 14.181
{\rm log}_{10}(\gamma_e)\, -3.658 -2.811 -1.409

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.219 -2.563 -0.331
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.597 1.973

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.245 0.287 0.680
0.03-0.10 Gyr -1.120 0.317 0.991
0.10-0.33 Gyr -1.177 -0.069 0.491
0.33-1.10 Gyr -1.042 -0.116 0.287
1.10-3.63 Gyr -0.780 0.035 0.398
3.63-12.00 Gyr -0.478 0.140 0.389
12.00-13.33 Gyr -0.531 0.253 0.891

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.329 10.550 10.715
{\rm log}_{10}({\rm SFR}) -0.287 0.581 0.985
{\rm log}_{10}({\rm sSFR}) -10.844 -9.913 -9.461
{\rm stellar\ age} 5.220 7.547 10.438

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.854 -0.414 -0.044
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.780 -1.466 0.002

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.693 0.994 1.335
\delta -0.484 -0.180 0.197
\tau_1/\tau_2 0.566 0.929 1.293
Q_{PAH} 0.211 0.713 1.858
U_{min} 3.100 8.350 15.514
{\rm log}_{10}(\gamma_e)\, -2.977 -1.861 -1.151

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.725 -1.804 -1.101
{\rm log}_{10}(\tau_{AGN})\, 1.112 1.532 1.867

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.676 0.497 0.900
0.03-0.10 Gyr -0.593 0.528 1.050
0.10-0.33 Gyr -1.174 0.245 0.801
0.33-1.10 Gyr -1.359 0.054 0.748
1.10-3.63 Gyr -0.838 0.321 0.692
3.63-12.00 Gyr -0.152 0.523 0.818
12.00-13.33 Gyr -0.158 0.695 1.578