2025icy results

Information

Transient
Name:AT2025icy
Right ascension: 19h01m38.57s
Declination:48d38m19.06s
Discovery Date:April 20, 2025, 8:18 a.m.
Classification:None
Redshift:None
MW E(B-V):0.048
Host
Name:2025icy
Right ascension: 19h01m38.52s
Declination:48d38m18.53s
Redshift:0.096289
Photometric Redshift:0.099
 

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
DES_g
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 7.75
Transient MWEBV processed 0.04
Host match processed 2.72
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.7
Global aperture photometry processed 5.38
Validate global photometry processed 15.82
Global host SED inference processed 554.58
Local aperture photometry processed 5.22
Validate local photometry processed 0.02
Local host SED inference processed 475.81
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):19h01m38.57s, 48d38m19.06s
semi major axis, semi minor axis (arcsec):1.12, 1.12
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 285.7 0.35 17.760 0.001 AB
PanSTARRS_z 421.49 0.85 17.338 0.002 AB
DES_z 491.51 3.15 17.171 0.007 AB
PanSTARRS_y 459.51 1.83 17.244 0.004 AB

Aperture details

RA, DEC (J2000):19h01m38.51s, 48d38m18.66s
semi major axis, semi minor axis (arcsec):9.46, 7.39
angle (degrees, anti-clockwise from east):-177.46
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.59 0.56 22.512 0.168 AB
GALEX_NUV 5.31 0.44 22.088 0.090 AB
DES_g 435.0 1.54 17.304 0.004 AB
PanSTARRS_g 477.09 1.61 17.203 0.004 AB
PanSTARRS_r 1090.29 2.57 16.306 0.003 AB
PanSTARRS_i 1565.04 2.17 15.914 0.002 AB
PanSTARRS_z 2124.77 5.6 15.582 0.003 AB
DES_z 2021.91 6.91 15.636 0.004 AB
PanSTARRS_y 2487.73 13.19 15.410 0.006 AB
2MASS_J 3577.0 220.43 14.121 0.067 Vega
2MASS_H 4250.6 360.51 13.461 0.092 Vega
2MASS_K 4180.75 365.6 13.009 0.095 Vega
WISE_W1 1569.05 27.53 13.212 0.019 Vega
WISE_W2 952.34 25.78 13.114 0.029 Vega
WISE_W3 247.35 54.93 12.743 0.241 Vega
WISE_W4 5.87 264.21 15.358 48.846 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.247 10.396 10.531
{\rm log}_{10}({\rm SFR}) -1.258 -0.250 0.505
{\rm log}_{10}({\rm sSFR}) -11.704 -10.635 -9.835
{\rm stellar\ age} 5.101 7.184 9.662

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.659 -0.238 0.008
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.549 -0.822 -0.093

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.501 0.868 1.375
\delta -0.699 -0.361 0.040
\tau_1/\tau_2 0.617 1.014 1.423
Q_{PAH} 0.501 1.976 4.632
U_{min} 3.158 8.642 16.393
{\rm log}_{10}(\gamma_e)\, -3.237 -1.598 -0.454

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.864 -2.012 -0.717
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.501 1.945

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.160 -0.726 0.063
0.03-0.10 Gyr -1.359 -0.214 0.606
0.10-0.33 Gyr -1.347 -0.186 0.557
0.33-1.06 Gyr -1.498 -0.047 0.600
1.06-3.45 Gyr -1.392 0.167 0.579
3.45-11.25 Gyr -0.357 0.446 0.692
11.25-12.50 Gyr -0.245 0.603 1.406

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.051 11.151 11.180
{\rm log}_{10}({\rm SFR}) -1.498 -0.932 -0.413
{\rm log}_{10}({\rm sSFR}) -12.702 -12.075 -11.479
{\rm stellar\ age} 8.523 11.749 11.869

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.721 -0.563 -0.439
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.504 -0.690 0.093

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.125 0.204 0.311
\delta -0.862 -0.642 -0.341
\tau_1/\tau_2 0.541 0.997 1.460
Q_{PAH} 0.561 1.650 3.329
U_{min} 3.007 8.818 16.919
{\rm log}_{10}(\gamma_e)\, -2.855 -1.386 -0.566

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.365 -3.470 -2.508
{\rm log}_{10}(\tau_{AGN})\, 0.990 1.499 1.929

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.066 -0.969 -0.497
0.03-0.10 Gyr -2.877 -1.093 -0.341
0.10-0.33 Gyr -4.391 -1.702 -0.598
0.33-1.06 Gyr -5.496 -2.316 -0.891
1.06-3.45 Gyr -3.992 -1.815 -0.460
3.45-11.25 Gyr -1.876 -0.164 1.256
11.25-12.50 Gyr 1.631 2.297 2.335