2025sih

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Information

Transient

Name: AT2025sih
Right ascension: 16h17m46.10s
Declination: 62d51m51.30s
Discovery Date: July 23, 2025, 5:50 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name:
Right ascension: 16h17m45.98s
Declination: 62d51m51.00s
Redshift: 0.092591
Photometric Redshift: 0.086
 

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 5.26
Cutout download processed 36.02
Global aperture construction processed 0.63
Local aperture photometry processed 5.24
Global aperture photometry processed 4.58
Validate local photometry processed 0.02
Validate global photometry processed 14.21
Host information processed 0.15
Global host SED inference processed 527.04
Local host SED inference processed 477.17
Transient information processed 0.0
Transient MWEBV processed 0.1
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) = 16h17m46.10s, 62d51m51.30s
semi major axis, semi minor axis (arcsec) = 1.16, 1.16
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 188.52 0.4 18.212 0.002 AB
PanSTARRS_z 241.31 0.89 17.944 0.004 AB
PanSTARRS_y 260.96 2.23 17.859 0.009 AB

Aperture details

RA, DEC (J2000) = 16h17m45.98s, 62d51m51.18s
semi major axis, semi minor axis (arcsec) = 7.36, 5.17
angle (degrees, anti-clockwise from east) = -86.56

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.13 2.13 22.359 0.559 AB
GALEX_NUV 3.59 2.34 22.512 0.707 AB
SDSS_u 48.3 4.86 19.690 0.109 AB
SDSS_g 250.31 4.38 17.904 0.019 AB
PanSTARRS_g 275.35 1.87 17.800 0.007 AB
SDSS_r 566.74 6.67 17.017 0.013 AB
PanSTARRS_r 575.82 1.68 16.999 0.003 AB
SDSS_i 866.52 8.93 16.556 0.011 AB
PanSTARRS_i 837.4 1.88 16.593 0.002 AB
PanSTARRS_z 1051.94 4.37 16.345 0.005 AB
SDSS_z 1136.89 17.88 16.261 0.017 AB
PanSTARRS_y 1236.12 11.64 16.170 0.010 AB
2MASS_J 1480.3 156.9 15.079 0.115 Vega
2MASS_H 1874.59 231.13 14.350 0.134 Vega
2MASS_K 1812.27 261.08 13.917 0.156 Vega
WISE_W1 634.71 9.15 14.195 0.016 Vega
WISE_W2 379.63 11.23 14.113 0.032 Vega
WISE_W3 63.78 33.57 14.214 0.571 Vega
WISE_W4 -449.1 209.28 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})\, 9.730 9.942 10.112
{\rm log}_{10}({\rm SFR}) -1.725 -0.542 0.207
{\rm log}_{10}({\rm sSFR}) -11.704 -10.513 -9.618
{\rm stellar\ age} 4.140 7.071 10.148

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.061 -0.583 -0.186
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.444 -0.715 -0.001

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.233 0.524 0.857
\delta -0.835 -0.485 -0.090
\tau_1/\tau_2 0.591 0.954 1.364
Q_{PAH} 0.563 2.362 5.252
U_{min} 3.118 8.211 15.573
{\rm log}_{10}(\gamma_e)\, -3.234 -2.197 -0.684

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.809 -1.028 -0.438
{\rm log}_{10}(\tau_{AGN})\, 1.081 1.458 1.879

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.143 -0.886 -0.327
0.03-0.10 Gyr -1.979 -0.564 0.327
0.10-0.33 Gyr -2.059 -0.527 0.214
0.33-1.06 Gyr -2.222 -0.428 0.264
1.06-3.46 Gyr -2.102 -0.302 0.140
3.46-11.29 Gyr -1.240 -0.085 0.210
11.29-12.54 Gyr -0.795 0.153 1.058

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.633 10.735 10.834
{\rm log}_{10}({\rm SFR}) -4.711 -1.493 -0.089
{\rm log}_{10}({\rm sSFR}) -15.673 -12.318 -10.794
{\rm stellar\ age} 7.229 9.108 11.896

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.757 -1.464 -1.147
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.424 -0.595 0.136

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.395 0.524 0.675
\delta -0.921 -0.772 -0.567
\tau_1/\tau_2 0.477 0.904 1.389
Q_{PAH} 0.474 1.858 3.682
U_{min} 3.726 10.704 18.632
{\rm log}_{10}(\gamma_e)\, -3.144 -2.097 -1.033

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.456 -3.417 -2.386
{\rm log}_{10}(\tau_{AGN})\, 1.106 1.599 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.619 -2.121 -0.559
0.03-0.10 Gyr -5.712 -1.898 0.023
0.10-0.33 Gyr -5.551 -2.145 0.024
0.33-1.06 Gyr -5.296 -2.401 -0.235
1.06-3.46 Gyr -3.708 -1.391 0.392
3.46-11.29 Gyr -1.785 0.559 1.004
11.29-12.54 Gyr -0.560 1.472 1.984