2025ykq

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Information

Transient

Name: AT2025ykq
Right ascension: 8h37m50.43s
Declination: 62d45m49.10s
Discovery Date: Sept. 20, 2025, 10:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.146

Host

Name:
Right ascension: 8h37m50.45s
Declination: 62d45m49.48s
Redshift: None
Photometric Redshift: 0.101
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.71
Transient MWEBV processed 0.13
Host match processed 4.49
Host information processed 0.1
Host MWEBV processed 0.06
Global aperture construction processed 0.62
Global aperture photometry processed 4.91
Validate global photometry processed 14.4
Global host SED inference processed 410.22
Local aperture photometry processed 5.21
Validate local photometry processed 0.02
Local host SED inference processed 561.32
 

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) = 8h37m50.43s, 62d45m49.10s
semi major axis, semi minor axis (arcsec) = 1.08, 1.08
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_z 23.99 0.87 20.450 0.039 AB
PanSTARRS_y 28.29 1.86 20.271 0.071 AB

Aperture details

RA, DEC (J2000) = 8h37m50.43s, 62d45m49.53s
semi major axis, semi minor axis (arcsec) = 3.12, 2.68
angle (degrees, anti-clockwise from east) = -172.51

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.57 0.74 24.514 1.412 AB
GALEX_NUV 1.39 0.78 23.541 0.610 AB
SDSS_u 9.57 2.38 21.448 0.270 AB
SDSS_g 22.13 1.47 20.537 0.072 AB
PanSTARRS_g 23.39 0.53 20.477 0.025 AB
SDSS_r 25.98 1.81 20.364 0.076 AB
PanSTARRS_r 29.58 0.95 20.223 0.035 AB
SDSS_i 41.46 2.44 19.856 0.064 AB
PanSTARRS_i 45.69 0.79 19.750 0.019 AB
PanSTARRS_z 45.77 2.23 19.749 0.053 AB
SDSS_z 27.96 6.95 20.284 0.270 AB
PanSTARRS_y 55.44 4.77 19.540 0.093 AB
2MASS_J 142.02 90.42 17.624 0.691 Vega
2MASS_H 332.62 157.37 16.228 0.514 Vega
2MASS_K 30.2 147.34 18.362 5.297 Vega
WISE_W1 17.41 5.22 18.099 0.326 Vega
WISE_W2 14.54 8.38 17.654 0.626 Vega
WISE_W3 61.94 40.64 14.246 0.712 Vega
WISE_W4 555.88 336.73 10.418 0.658 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})\, 8.643 9.037 9.303
{\rm log}_{10}({\rm SFR}) -1.003 -0.500 0.010
{\rm log}_{10}({\rm sSFR}) -10.070 -9.532 -8.674
{\rm stellar\ age} 2.114 6.384 8.524

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.534 -0.606 0.036
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.351 -0.667 0.000

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.455 0.851 1.337
\delta -0.548 -0.143 0.164
\tau_1/\tau_2 0.489 0.925 1.382
Q_{PAH} 0.840 2.884 5.429
U_{min} 3.244 8.719 15.803
{\rm log}_{10}(\gamma_e)\, -2.921 -1.633 -0.668

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.567 -1.280 -0.332
{\rm log}_{10}(\tau_{AGN})\, 0.927 1.418 1.902

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.792 -0.313 0.106
0.03-0.10 Gyr -2.218 -0.854 -0.054
0.10-0.33 Gyr -3.335 -1.382 -0.519
0.33-1.06 Gyr -3.498 -1.418 -0.550
1.06-3.44 Gyr -3.226 -1.277 -0.746
3.44-11.20 Gyr -2.542 -1.012 -0.568
11.20-12.44 Gyr -2.510 -0.991 -0.072

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.774 9.020 9.189
{\rm log}_{10}({\rm SFR}) -0.719 -0.258 0.142
{\rm log}_{10}({\rm sSFR}) -9.796 -9.327 -8.699
{\rm stellar\ age} 1.687 4.395 6.384

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.425 -0.534 -0.051
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.946 -0.080 0.234

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.159 0.303 0.525
\delta -0.766 -0.364 0.092
\tau_1/\tau_2 0.684 1.033 1.395
Q_{PAH} 0.488 1.442 3.116
U_{min} 2.796 8.259 15.681
{\rm log}_{10}(\gamma_e)\, -2.771 -1.681 -0.689

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.402 -1.574 -0.776
{\rm log}_{10}(\tau_{AGN})\, 1.217 1.582 1.899

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.703 -0.429 -0.229
0.03-0.10 Gyr -0.880 -0.205 0.256
0.10-0.33 Gyr -0.844 -0.295 0.097
0.33-1.06 Gyr -1.617 -0.689 -0.253
1.06-3.44 Gyr -1.896 -0.965 -0.571
3.44-11.20 Gyr -2.234 -1.161 -0.764
11.20-12.44 Gyr -2.559 -1.196 -0.541