2025yks

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Information

Transient

Name: AT2025yks
Right ascension: 4h35m16.68s
Declination: -18d10m48.32s
Discovery Date: Sept. 17, 2025, 10:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name:
Right ascension: 4h35m16.66s
Declination: -18d10m47.74s
Redshift: None
Photometric Redshift: 0.106
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.89
Transient MWEBV processed 0.1
Host match processed 5.89
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 5.22
Validate global photometry processed 13.72
Global host SED inference processed 429.96
Local aperture photometry processed 5.38
Validate local photometry processed 0.02
Local host SED inference processed 606.49
 

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) = 4h35m16.68s, -18d10m48.32s
semi major axis, semi minor axis (arcsec) = 1.03, 1.03
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 81.9 1.98 19.117 0.026 AB
PanSTARRS_y 78.44 2.04 19.164 0.028 AB

Aperture details

RA, DEC (J2000) = 4h35m16.65s, -18d10m47.48s
semi major axis, semi minor axis (arcsec) = 13.24, 4.3
angle (degrees, anti-clockwise from east) = -120.44

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.34 2.23 21.474 0.259 AB
GALEX_NUV 12.64 2.04 21.145 0.175 AB
DES_g 155.16 0.78 18.423 0.005 AB
PanSTARRS_g 197.13 1.82 18.163 0.010 AB
PanSTARRS_r 342.89 2.5 17.562 0.008 AB
DES_r 314.16 1.46 17.657 0.005 AB
PanSTARRS_i 491.45 1.9 17.171 0.004 AB
PanSTARRS_z 576.38 5.54 16.998 0.010 AB
DES_z 533.02 5.55 17.083 0.011 AB
PanSTARRS_y 701.34 14.69 16.785 0.023 AB
2MASS_J 1138.32 209.59 15.364 0.200 Vega
2MASS_H 1096.09 331.9 14.933 0.329 Vega
2MASS_K 944.78 400.59 14.624 0.460 Vega
WISE_W1 403.76 18.45 14.686 0.050 Vega
WISE_W2 296.99 23.12 14.379 0.085 Vega
WISE_W3 1266.53 98.8 10.969 0.085 Vega
WISE_W4 1062.81 500.21 9.714 0.511 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})\, 9.040 9.361 9.682
{\rm log}_{10}({\rm SFR}) -0.660 -0.044 0.468
{\rm log}_{10}({\rm sSFR}) -10.128 -9.450 -8.703
{\rm stellar\ age} 1.798 5.666 8.041

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.441 -0.510 0.027
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.038 -0.489 0.221

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.326 0.642 1.106
\delta -0.726 -0.296 0.148
\tau_1/\tau_2 0.425 0.928 1.424
Q_{PAH} 0.618 1.976 4.109
U_{min} 3.048 8.145 15.331
{\rm log}_{10}(\gamma_e)\, -3.315 -2.193 -0.616

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.595 -1.624 -0.357
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.489 1.988

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.463 0.059 0.515
0.03-0.10 Gyr -1.558 -0.262 0.472
0.10-0.32 Gyr -2.161 -0.731 0.033
0.32-1.06 Gyr -2.562 -0.788 -0.046
1.06-3.43 Gyr -2.513 -0.812 -0.336
3.43-11.14 Gyr -2.207 -0.766 -0.268
11.14-12.38 Gyr -2.184 -0.649 0.234

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.457 10.499 10.582
{\rm log}_{10}({\rm SFR}) -0.196 0.060 0.315
{\rm log}_{10}({\rm sSFR}) -10.729 -10.441 -10.185
{\rm stellar\ age} 7.261 8.050 10.776

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.707 -0.540 -0.411
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.604 -0.449 -0.335

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.233 0.309 0.418
\delta -0.844 -0.643 -0.430
\tau_1/\tau_2 0.401 0.844 1.298
Q_{PAH} 0.360 0.987 2.289
U_{min} 2.842 7.929 15.067
{\rm log}_{10}(\gamma_e)\, -2.938 -1.718 -0.999

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.708 -2.355 -1.703
{\rm log}_{10}(\tau_{AGN})\, 1.094 1.545 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.246 0.397 0.556
0.03-0.10 Gyr -2.320 -0.408 0.205
0.10-0.32 Gyr -2.833 -0.682 -0.081
0.32-1.06 Gyr -2.528 -0.668 -0.158
1.06-3.43 Gyr -1.782 -0.341 0.214
3.43-11.14 Gyr 0.171 0.678 0.782
11.14-12.38 Gyr 0.416 0.991 1.646