2025sik

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Information

Transient

Name: AT2025sik
Right ascension: 11h19m24.52s
Declination: 45d58m05.28s
Discovery Date: July 23, 2025, 3:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name: J111924.83+455802.9
Right ascension: 11h19m24.83s
Declination: 45d58m02.92s
Redshift: 0.104101
Photometric Redshift: 0.103
 

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 4.59
Cutout download processed 29.36
Global aperture construction processed 0.64
Local aperture photometry processed 5.39
Global aperture photometry processed 4.68
Validate local photometry processed 0.03
Validate global photometry processed 13.93
Host information processed 0.18
Global host SED inference processed 396.4
Local host SED inference processed 630.67
Transient information processed 0.0
Transient MWEBV processed 0.11
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) = 11h19m24.52s, 45d58m05.28s
semi major axis, semi minor axis (arcsec) = 1.05, 1.05
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 35.66 1.51 20.020 0.046 AB

Aperture details

RA, DEC (J2000) = 11h19m24.81s, 45d58m02.81s
semi major axis, semi minor axis (arcsec) = 10.07, 3.8
angle (degrees, anti-clockwise from east) = -56.47

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 9.24 0.51 21.486 0.060 AB
SDSS_u 61.47 4.38 19.428 0.077 AB
SDSS_g 138.33 3.49 18.548 0.027 AB
PanSTARRS_g 142.15 1.63 18.518 0.012 AB
SDSS_r 293.7 5.4 17.730 0.020 AB
PanSTARRS_r 281.83 1.8 17.775 0.007 AB
SDSS_i 457.78 7.26 17.248 0.017 AB
PanSTARRS_i 438.4 1.57 17.295 0.004 AB
PanSTARRS_z 556.77 3.67 17.036 0.007 AB
SDSS_z 632.51 19.09 16.897 0.033 AB
PanSTARRS_y 712.52 8.82 16.768 0.013 AB
2MASS_J 1205.29 122.24 15.302 0.110 Vega
2MASS_H 1800.22 179.99 14.394 0.109 Vega
2MASS_K 2001.16 219.06 13.809 0.119 Vega
WISE_W1 684.76 16.66 14.112 0.026 Vega
WISE_W2 481.64 19.69 13.854 0.044 Vega
WISE_W3 1551.9 65.34 10.749 0.046 Vega
WISE_W4 1215.17 416.97 9.568 0.373 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})\, 8.361 8.866 9.136
{\rm log}_{10}({\rm SFR}) -0.922 -0.316 0.123
{\rm log}_{10}({\rm sSFR}) -9.962 -9.172 -8.272
{\rm stellar\ age} 0.433 3.934 6.849

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.464 -0.474 0.037
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.282 -0.625 0.022

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.436 0.859 1.353
\delta -0.638 -0.208 0.214
\tau_1/\tau_2 0.439 0.835 1.370
Q_{PAH} 0.596 2.139 5.117
U_{min} 3.367 8.743 16.373
{\rm log}_{10}(\gamma_e)\, -2.868 -1.606 -0.631

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.962 -0.967 -0.045
{\rm log}_{10}(\tau_{AGN})\, 1.071 1.590 2.012

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.646 -0.160 0.325
0.03-0.10 Gyr -2.249 -0.847 0.056
0.10-0.33 Gyr -2.836 -1.086 -0.234
0.33-1.06 Gyr -3.056 -0.984 -0.316
1.06-3.43 Gyr -4.189 -1.399 -0.708
3.43-11.16 Gyr -4.412 -1.530 -0.786
11.16-12.40 Gyr -4.399 -1.572 -0.590

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.525 10.593 10.660
{\rm log}_{10}({\rm SFR}) 0.344 0.702 1.051
{\rm log}_{10}({\rm sSFR}) -10.296 -9.911 -9.516
{\rm stellar\ age} 7.026 7.854 10.274

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.161 0.027 0.129
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.031 0.231 0.377

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.388 0.533 0.735
\delta -0.681 -0.461 -0.256
\tau_1/\tau_2 0.608 0.978 1.375
Q_{PAH} 0.704 1.812 3.406
U_{min} 2.207 6.428 13.076
{\rm log}_{10}(\gamma_e)\, -3.286 -2.222 -1.402

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.236 -3.134 -2.022
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.446 1.853

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.131 0.354 0.575
0.03-0.10 Gyr 0.382 0.801 1.182
0.10-0.33 Gyr -1.148 -0.254 0.216
0.33-1.06 Gyr -1.417 -0.428 0.042
1.06-3.43 Gyr -0.811 -0.008 0.429
3.43-11.16 Gyr 0.310 0.728 0.850
11.16-12.40 Gyr 0.429 1.043 1.653