2025ghr results

Information

Transient
Name:AT2025ghr
Right ascension: 16h33m25.19s
Declination:-2d33m16.55s
Discovery Date:March 28, 2025, 12:52 p.m.
Classification:None
Redshift:None
MW E(B-V):0.234
Host
Name:2025ghr
Right ascension: 16h33m25.35s
Declination:-2d33m18.00s
Redshift:None
Photometric Redshift:0.072
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 15.3
Transient MWEBV processed 0.04
Host match processed 2.43
Host information processed 0.08
Host MWEBV processed 0.06
Host spectrum download not processed None
Global aperture construction processed 0.68
Global aperture photometry processed 5.65
Validate global photometry processed 15.39
Global host SED inference processed 507.98
Local aperture photometry processed 5.27
Validate local photometry processed 0.02
Local host SED inference processed 459.25
 

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})\, 8.800 9.039 9.157
{\rm log}_{10}({\rm SFR}) -1.800 -0.848 -0.134
{\rm log}_{10}({\rm sSFR}) -10.828 -9.887 -9.051
{\rm stellar\ age} 0.974 4.764 6.559

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.481 -0.819 -0.318
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.460 -0.813 -0.161

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.140 0.555 0.988
\delta -0.542 -0.038 0.262
\tau_1/\tau_2 0.653 1.020 1.381
Q_{PAH} 1.280 3.530 5.724
U_{min} 3.433 9.193 16.661
{\rm log}_{10}(\gamma_e)\, -3.048 -1.853 -0.515

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.458 -0.790 -0.141
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.538 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.692 -1.513 -1.070
0.03-0.10 Gyr -1.947 -0.748 0.019
0.10-0.33 Gyr -1.164 -0.385 0.289
0.33-1.07 Gyr -2.206 -0.705 -0.295
1.07-3.52 Gyr -2.651 -0.883 -0.578
3.52-11.52 Gyr -3.494 -1.127 -0.771
11.52-12.80 Gyr -3.308 -1.172 -0.578

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.999 10.196 10.347
{\rm log}_{10}({\rm SFR}) -1.848 -0.352 0.417
{\rm log}_{10}({\rm sSFR}) -12.021 -10.548 -9.832
{\rm stellar\ age} 1.340 4.578 7.166

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.412 -0.891 -0.445
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.301 -0.495 0.230

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.078 0.201 0.361
\delta -0.729 -0.264 0.201
\tau_1/\tau_2 0.534 0.994 1.435
Q_{PAH} 1.219 3.524 5.866
U_{min} 2.688 8.289 15.828
{\rm log}_{10}(\gamma_e)\, -2.789 -1.353 -0.524

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.075 -2.912 -1.770
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.604 1.969

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.105 -0.719 -0.154
0.03-0.10 Gyr -2.549 -0.338 0.563
0.10-0.33 Gyr -1.744 0.208 0.895
0.33-1.07 Gyr -0.200 0.642 1.113
1.07-3.52 Gyr -1.322 0.283 0.693
3.52-11.52 Gyr -2.205 -0.088 0.437
11.52-12.80 Gyr -2.592 -0.111 0.677
 

Aperture Photometry


Aperture details

RA, DEC (J2000):16h33m25.19s, -2d33m16.55s
semi major axis, semi minor axis (arcsec):1.45, 1.45
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 16.84 1.19 20.834 0.077 AB
PanSTARRS_g 21.41 0.32 20.574 0.016 AB
SDSS_r 33.16 1.71 20.099 0.056 AB
PanSTARRS_r 35.5 0.39 20.025 0.012 AB
SDSS_i 49.46 2.34 19.664 0.051 AB
PanSTARRS_i 50.19 0.53 19.649 0.011 AB
PanSTARRS_z 64.39 0.95 19.378 0.016 AB
SDSS_z 53.16 5.68 19.586 0.116 AB
PanSTARRS_y 69.26 2.53 19.299 0.040 AB

Aperture details

RA, DEC (J2000):16h33m25.38s, -2d33m17.10s
semi major axis, semi minor axis (arcsec):13.39, 8.57
angle (degrees, anti-clockwise from east):-101.53
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_r 595.86 8.95 16.962 0.016 AB
PanSTARRS_i 811.01 3.81 16.627 0.005 AB
PanSTARRS_z 987.1 6.92 16.414 0.008 AB
WISE_W2 455.56 29.63 13.915 0.071 Vega
WISE_W4 2190.16 770.24 8.929 0.382 Vega