2026aby

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Information

Transient

Name: AT2026aby
Right ascension: 15h58m39.68s
Declination: 46d12m07.90s
Discovery Date: Jan. 9, 2026, 12:17 p.m.
Classification: None
Redshift: None
MW E(B-V):

Host

Name:
Right ascension: 15h58m39.80s
Declination: 46d12m07.67s
Redshift: None
Photometric Redshift: 0.071
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.58
Transient MWEBV processed 0.09
Host match processed 4.53
Host information processed 0.17
Host MWEBV processed 0.03
Global aperture construction processed 0.62
Global aperture photometry processed 4.96
Validate global photometry processed 14.94
Global host SED inference processed 460.09
Local aperture photometry processed 4.4
Validate local photometry processed 0.03
Local host SED inference processed 449.4
 

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) = 15h58m39.68s, 46d12m07.90s
semi major axis, semi minor axis (arcsec) = 1.47, 1.47
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 11.68 1.01 21.232 0.094 AB
PanSTARRS_g 13.9 0.32 21.043 0.025 AB
SDSS_r 17.0 1.22 20.824 0.078 AB
PanSTARRS_r 21.04 0.37 20.593 0.019 AB
SDSS_i 20.71 1.49 20.610 0.078 AB
PanSTARRS_i 21.89 0.48 20.549 0.024 AB
PanSTARRS_z 26.45 1.0 20.344 0.041 AB
SDSS_z 29.54 3.7 20.224 0.136 AB
PanSTARRS_y 31.9 2.49 20.140 0.085 AB

Aperture details

RA, DEC (J2000) = 15h58m39.78s, 46d12m07.76s
semi major axis, semi minor axis (arcsec) = 5.76, 3.08
angle (degrees, anti-clockwise from east) = -140.38

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 10.49 2.63 21.348 0.273 AB
SDSS_g 43.5 2.24 19.804 0.056 AB
PanSTARRS_g 45.63 0.91 19.752 0.022 AB
SDSS_r 62.58 2.68 19.409 0.047 AB
PanSTARRS_r 67.93 1.03 19.320 0.017 AB
SDSS_i 77.43 3.48 19.178 0.049 AB
PanSTARRS_i 76.1 1.34 19.197 0.019 AB
PanSTARRS_z 89.32 2.78 19.023 0.034 AB
SDSS_z 120.11 10.26 18.701 0.093 AB
PanSTARRS_y 99.68 6.95 18.903 0.076 AB
2MASS_J 104.24 113.44 17.960 1.182 Vega
2MASS_H 162.59 187.72 17.005 1.254 Vega
2MASS_K -0.48 186.13 Vega
WISE_W1 26.49 1.55 17.643 0.064 Vega
WISE_W2 12.09 1.77 17.855 0.159 Vega
WISE_W3 -25.76 4.89 Vega
WISE_W4 -552.54 22.03 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})\, 8.325 8.520 8.655
{\rm log}_{10}({\rm SFR}) -2.091 -1.350 -0.635
{\rm log}_{10}({\rm sSFR}) -10.634 -9.880 -9.057
{\rm stellar\ age} 1.414 5.051 6.781

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.496 -0.732 -0.061
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.641 -0.961 -0.032

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.119 0.360 0.957
\delta -0.693 -0.285 0.117
\tau_1/\tau_2 0.645 1.029 1.401
Q_{PAH} 0.968 2.764 5.379
U_{min} 3.287 8.567 16.174
{\rm log}_{10}(\gamma_e)\, -2.689 -1.534 -0.428

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.112 -0.253 0.181
{\rm log}_{10}(\tau_{AGN})\, 1.145 1.488 1.870

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.340 -1.612 -0.994
0.03-0.10 Gyr -2.264 -1.333 -0.536
0.10-0.33 Gyr -1.880 -1.103 -0.469
0.33-1.07 Gyr -1.956 -1.172 -0.820
1.07-3.52 Gyr -2.532 -1.382 -1.110
3.52-11.53 Gyr -3.080 -1.570 -1.262
11.53-12.81 Gyr -3.143 -1.638 -1.070

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.880 9.084 9.222
{\rm log}_{10}({\rm SFR}) -2.407 -1.365 -0.653
{\rm log}_{10}({\rm sSFR}) -11.452 -10.441 -9.772
{\rm stellar\ age} 2.353 5.896 7.550

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.664 -1.251 -0.769
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.399 -0.383 0.289

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.123 0.248 0.431
\delta -0.669 -0.261 0.118
\tau_1/\tau_2 0.616 0.990 1.378
Q_{PAH} 0.562 1.680 3.594
U_{min} 3.785 9.886 17.554
{\rm log}_{10}(\gamma_e)\, -1.674 -0.871 -0.313

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.401 -3.241 -1.783
{\rm log}_{10}(\tau_{AGN})\, 1.147 1.647 1.999

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.237 -1.783 -1.329
0.03-0.10 Gyr -2.591 -1.312 -0.507
0.10-0.33 Gyr -1.813 -0.788 -0.271
0.33-1.07 Gyr -1.430 -0.759 -0.297
1.07-3.52 Gyr -1.756 -0.850 -0.542
3.52-11.53 Gyr -2.292 -0.954 -0.639
11.53-12.81 Gyr -2.413 -0.947 -0.318