2026vk

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Information

Transient

Name: AT2026vk
Right ascension: 2h01m50.58s
Declination: -18d08m31.97s
Discovery Date: Jan. 12, 2026, 5:39 a.m.
Classification: None
Redshift: None
MW E(B-V):

Host

Name:
Right ascension: 2h01m50.47s
Declination: -18d08m39.73s
Redshift: None
Photometric Redshift: 0.058
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.45
Transient MWEBV processed 0.06
Host match processed 6.24
Host information processed 0.19
Host MWEBV processed 0.06
Global aperture construction processed 0.7
Global aperture photometry processed 5.18
Validate global photometry processed 16.25
Global host SED inference processed 392.89
Local aperture photometry processed 5.18
Validate local photometry processed 0.02
Local host SED inference processed 474.18
 

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) = 2h01m50.58s, -18d08m31.97s
semi major axis, semi minor axis (arcsec) = 1.79, 1.79
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 2.42 1.66 22.939 0.742 AB
SDSS_g 6.2 0.82 21.919 0.143 AB
PanSTARRS_g 8.25 0.36 21.610 0.048 AB
SDSS_r 11.11 1.2 21.285 0.118 AB
PanSTARRS_r 12.33 0.61 21.173 0.054 AB
DES_r 11.84 0.19 21.217 0.018 AB
PanSTARRS_i 14.62 0.4 20.988 0.029 AB
PanSTARRS_z 16.62 1.11 20.849 0.072 AB
SDSS_z 18.38 6.07 20.739 0.359 AB
PanSTARRS_y 15.87 2.75 20.898 0.188 AB

Aperture details

RA, DEC (J2000) = 2h01m50.45s, -18d08m39.35s
semi major axis, semi minor axis (arcsec) = 13.01, 5.67
angle (degrees, anti-clockwise from east) = -157.55

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 22.55 3.56 20.517 0.171 AB
GALEX_NUV 33.89 2.75 20.075 0.088 AB
SDSS_u 70.07 8.1 19.286 0.126 AB
SDSS_g 216.63 4.58 18.061 0.023 AB
PanSTARRS_r 361.47 2.94 17.505 0.009 AB
DES_r 372.11 1.02 17.473 0.003 AB
PanSTARRS_i 465.73 1.93 17.230 0.004 AB
PanSTARRS_z 527.67 5.31 17.094 0.011 AB
PanSTARRS_y 609.02 13.25 16.938 0.024 AB
2MASS_J 647.16 211.09 15.978 0.354 Vega
2MASS_K 684.7 368.45 14.973 0.584 Vega
WISE_W1 345.67 16.16 14.854 0.051 Vega
WISE_W2 210.21 21.56 14.754 0.111 Vega
WISE_W4 916.38 426.64 9.875 0.505 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.036 8.258 8.402
{\rm log}_{10}({\rm SFR}) -2.540 -1.679 -0.580
{\rm log}_{10}({\rm sSFR}) -10.807 -10.007 -8.659
{\rm stellar\ age} 1.386 5.791 7.598

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.591 -1.045 -0.395
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.622 -0.906 0.022

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.219 0.683 1.328
\delta -0.216 0.066 0.282
\tau_1/\tau_2 0.635 1.032 1.415
Q_{PAH} 1.165 3.015 5.230
U_{min} 3.063 8.185 15.763
{\rm log}_{10}(\gamma_e)\, -2.978 -1.993 -0.948

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.357 -0.148 0.223
{\rm log}_{10}(\tau_{AGN})\, 1.241 1.596 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.980 -2.120 -1.375
0.03-0.10 Gyr -2.672 -1.626 -0.474
0.10-0.33 Gyr -2.758 -1.719 -0.960
0.33-1.08 Gyr -2.909 -1.711 -1.169
1.08-3.55 Gyr -3.298 -1.741 -1.435
3.55-11.69 Gyr -3.719 -1.771 -1.480
11.69-12.99 Gyr -3.566 -1.817 -1.192

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.730 9.792 9.869
{\rm log}_{10}({\rm SFR}) -0.586 -0.283 -0.011
{\rm log}_{10}({\rm sSFR}) -10.400 -10.088 -9.816
{\rm stellar\ age} 6.310 7.207 8.489

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.916 -0.649 -0.454
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.343 -0.270 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.104 0.215 0.379
\delta -0.410 -0.027 0.226
\tau_1/\tau_2 0.679 1.000 1.342
Q_{PAH} 0.851 2.125 4.088
U_{min} 2.523 7.251 14.777
{\rm log}_{10}(\gamma_e)\, -2.901 -1.920 -1.029

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.971 -2.523 -1.711
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.405 1.842

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.693 -0.946 -0.684
0.03-0.10 Gyr -0.512 -0.153 0.137
0.10-0.33 Gyr -0.436 -0.134 0.121
0.33-1.08 Gyr -0.699 -0.331 -0.111
1.08-3.55 Gyr -0.667 -0.294 -0.074
3.55-11.69 Gyr -0.295 -0.093 0.030
11.69-12.99 Gyr -0.438 0.024 0.510