2025icy

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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
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 2.72
Cutout download processed 7.75
Global aperture construction processed 0.7
Local aperture photometry processed 5.22
Global aperture photometry processed 5.38
Validate local photometry processed 0.02
Validate global photometry processed 15.82
Host information processed 0.09
Global host SED inference processed 554.58
Local host SED inference processed 475.81
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

Cutout Download Report

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_i: DES_z: DES_Y:
 

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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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