2025icu

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Information

Transient

Name: AT2025icu
Right ascension: 15h57m50.79s
Declination: 62d55m06.04s
Discovery Date: April 22, 2025, 9:18 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name: 2025icu
Right ascension: 15h57m49.66s
Declination: 62d55m08.88s
Redshift: None
Photometric Redshift: 0.105
 

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
failed
 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 1.88
Cutout download processed 14.57
Global aperture construction processed 0.66
Local aperture photometry processed 5.73
Global aperture photometry processed 5.73
Validate local photometry processed 0.02
Validate global photometry processed 16.78
Host information processed 0.08
Global host SED inference processed 398.43
Local host SED inference failed 0.0
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
Processing status blocked 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) = 15h57m50.79s, 62d55m06.04s
semi major axis, semi minor axis (arcsec) = 1.04, 1.04
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y -0.49 1.88 AB

Aperture details

RA, DEC (J2000) = 15h57m49.64s, 62d55m08.90s
semi major axis, semi minor axis (arcsec) = 10.11, 6.32
angle (degrees, anti-clockwise from east) = -29.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 36.08 5.89 20.007 0.177 AB
GALEX_NUV 50.02 4.3 19.652 0.093 AB
SDSS_u 112.06 8.53 18.776 0.083 AB
SDSS_g 291.4 4.96 17.739 0.018 AB
PanSTARRS_g 327.31 2.28 17.613 0.008 AB
SDSS_r 499.23 6.72 17.154 0.015 AB
PanSTARRS_r 515.69 3.44 17.119 0.007 AB
SDSS_i 732.75 9.31 16.738 0.014 AB
PanSTARRS_i 742.67 4.06 16.723 0.006 AB
PanSTARRS_z 848.07 5.39 16.579 0.007 AB
SDSS_z 1043.5 23.74 16.354 0.025 AB
PanSTARRS_y 1031.78 14.13 16.366 0.015 AB
2MASS_J 1492.36 195.82 15.070 0.142 Vega
2MASS_H 1408.04 296.21 14.661 0.228 Vega
2MASS_K 841.93 375.24 14.749 0.484 Vega
WISE_W1 1183.04 13.05 13.518 0.012 Vega
WISE_W2 793.31 16.78 13.312 0.023 Vega
WISE_W3 1399.45 45.28 10.861 0.035 Vega
WISE_W4 723.72 301.52 10.131 0.452 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.649 10.711 10.763
{\rm log}_{10}({\rm SFR}) 0.708 0.868 1.048
{\rm log}_{10}({\rm sSFR}) -10.015 -9.840 -9.627
{\rm stellar\ age} 5.546 6.474 7.370

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.092 0.063 0.145
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.768 -1.101 0.189

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.512 0.630 0.778
\delta 0.114 0.234 0.328
\tau_1/\tau_2 0.593 0.866 1.155
Q_{PAH} 0.416 0.907 1.594
U_{min} 2.193 6.023 11.790
{\rm log}_{10}(\gamma_e)\, -3.343 -2.746 -2.156

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.247 -3.188 -2.208
{\rm log}_{10}(\tau_{AGN})\, 0.956 1.365 1.837

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.646 0.789 0.929
0.03-0.10 Gyr 0.681 0.906 1.126
0.10-0.33 Gyr 0.550 0.790 1.014
0.33-1.06 Gyr 0.379 0.657 0.878
1.06-3.43 Gyr 0.518 0.779 0.960
3.43-11.16 Gyr 0.651 0.821 0.944
11.16-12.40 Gyr 0.394 0.855 1.242