2025whk results

Information

Transient
Name:AT2025whk
Right ascension: 22h59m59.70s
Declination:16d00m21.51s
Discovery Date:July 4, 2025, 12:05 p.m.
Classification:None
Redshift:None
MW E(B-V):0.048
Host
Name:NGC7448_0
Right ascension: 23h00m03.59s
Declination:15d58m49.31s
Redshift:0.007318
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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_z
 GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 27.61
Transient MWEBV processed 0.04
Host match processed 3.67
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 1.33
Global aperture photometry processed 6.37
Validate global photometry processed 9.34
Global host SED inference processed 617.06
Local aperture photometry processed 6.79
Validate local photometry processed 0.02
Local host SED inference failed 548.94
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h59m59.70s, 16d00m21.51s
semi major axis, semi minor axis (arcsec):13.28, 13.28
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u -18.07 11.08 AB
SDSS_g -30.7 4.25 AB
DES_g 7.78 0.8 21.673 0.112 AB
PanSTARRS_g -23.88 3.22 AB
SDSS_r 10.69 6.71 21.328 0.681 AB
PanSTARRS_r 16.53 3.29 20.854 0.216 AB
DES_r 14.21 1.43 21.019 0.110 AB
SDSS_i 18.82 10.72 20.713 0.618 AB
PanSTARRS_i 16.74 5.51 20.841 0.357 AB
PanSTARRS_z -23.83 10.93 AB
SDSS_z -19.1 42.92 AB
DES_z 15.12 4.21 20.951 0.302 AB
PanSTARRS_y -141.17 25.98 AB
2MASS_J 617.9 291.39 16.028 0.512 Vega
2MASS_H 616.21 409.23 15.558 0.721 Vega
2MASS_K -259.98 572.86 Vega
WISE_W1 58.07 20.59 16.791 0.385 Vega
WISE_W2 3.03 25.91 19.357 9.280 Vega
WISE_W3 -490.98 203.11 Vega
WISE_W4 249.37 440.3 11.288 1.917 Vega

Aperture details

RA, DEC (J2000):23h00m03.54s, 15d58m52.38s
semi major axis, semi minor axis (arcsec):44.92, 17.16
angle (degrees, anti-clockwise from east):-13.86
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 61289.49 49.03 11.932 0.001 AB
WISE_W1 70641.0 1962.52 9.078 0.030 Vega
WISE_W2 44252.87 1465.72 8.946 0.036 Vega
WISE_W4 401200.64 25626.46 3.272 0.069 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.941 10.198 10.432
{\rm log}_{10}({\rm SFR}) -0.544 0.258 0.790
{\rm log}_{10}({\rm sSFR}) -10.769 -10.002 -9.372
{\rm stellar\ age} 3.581 7.487 10.362

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.122 -0.554 -0.143
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.220 -0.548 0.150

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.282 0.492 0.739
\delta -0.684 -0.193 0.267
\tau_1/\tau_2 0.258 0.714 1.200
Q_{PAH} 0.419 1.646 4.896
U_{min} 2.759 7.668 14.685
{\rm log}_{10}(\gamma_e)\, -3.561 -2.341 -1.183

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.306 -3.062 -1.811
{\rm log}_{10}(\tau_{AGN})\, 0.967 1.490 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.498 0.204 0.580
0.03-0.10 Gyr -1.599 0.194 0.904
0.10-0.33 Gyr -2.361 -0.404 0.451
0.33-1.10 Gyr -1.824 -0.281 0.486
1.10-3.65 Gyr -1.542 -0.103 0.420
3.65-12.11 Gyr -1.072 0.139 0.521
12.11-13.46 Gyr -0.964 0.335 1.265