2026O

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Information

Transient

Name: AT2026O
Right ascension: 13h35m16.42s
Declination: 4d00m16.49s
Discovery Date: Jan. 2, 2026, 9:04 p.m.
Classification: None
Redshift: None
MW E(B-V):

Host

Name: SDSSJ133516.44+04001
Right ascension: 13h35m16.56s
Declination: 4d00m15.08s
Redshift: None
Photometric Redshift: 0.081
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 22.02
Transient MWEBV processed 0.07
Host match processed 6.33
Host information processed 0.17
Host MWEBV processed 0.1
Global aperture construction processed 0.95
Global aperture photometry processed 5.39
Validate global photometry processed 15.28
Global host SED inference processed 399.24
Local aperture photometry processed 8.36
Validate local photometry processed 0.03
Local host SED inference processed 456.13
 

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) = 13h35m16.42s, 4d00m16.49s
semi major axis, semi minor axis (arcsec) = 1.32, 1.32
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 40.28 0.3 19.887 0.008 AB
PanSTARRS_r 53.92 0.47 19.571 0.009 AB
SDSS_i 66.27 2.36 19.347 0.039 AB
PanSTARRS_i 66.53 0.41 19.342 0.007 AB
PanSTARRS_z 65.52 0.77 19.359 0.013 AB
SDSS_z 75.32 4.58 19.208 0.066 AB
DES_z 71.27 2.48 19.268 0.038 AB
PanSTARRS_y 72.95 1.8 19.242 0.027 AB

Aperture details

RA, DEC (J2000) = 13h35m16.44s, 4d00m15.40s
semi major axis, semi minor axis (arcsec) = 7.15, 4.15
angle (degrees, anti-clockwise from east) = -34.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 44.54 1.08 19.778 0.026 AB
SDSS_u 71.66 4.45 19.262 0.067 AB
SDSS_g 193.9 3.89 18.181 0.022 AB
PanSTARRS_g 186.52 1.15 18.223 0.007 AB
SDSS_r 247.77 4.75 17.915 0.021 AB
PanSTARRS_r 245.67 1.85 17.924 0.008 AB
SDSS_i 313.96 6.37 17.658 0.022 AB
PanSTARRS_i 293.13 1.61 17.732 0.006 AB
PanSTARRS_z 298.73 3.12 17.712 0.011 AB
SDSS_z 319.86 17.33 17.638 0.059 AB
DES_z 311.79 5.61 17.665 0.020 AB
PanSTARRS_y 333.58 7.34 17.592 0.024 AB
2MASS_J 307.0 150.55 16.787 0.532 Vega
2MASS_H 504.35 220.98 15.776 0.476 Vega
2MASS_K 679.26 281.16 14.982 0.449 Vega
WISE_W1 144.74 10.71 15.800 0.080 Vega
WISE_W2 102.01 15.18 15.539 0.162 Vega
WISE_W3 128.44 54.63 13.454 0.462 Vega
WISE_W4 714.77 403.56 10.145 0.613 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})\, 8.820 9.003 9.141
{\rm log}_{10}({\rm SFR}) -1.376 -0.714 -0.029
{\rm log}_{10}({\rm sSFR}) -10.447 -9.788 -8.932
{\rm stellar\ age} 1.494 4.582 6.619

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.643 -1.186 -0.623
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.568 -0.849 0.037

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.104 0.363 0.805
\delta -0.655 -0.246 0.193
\tau_1/\tau_2 0.678 1.039 1.395
Q_{PAH} 0.906 3.057 5.461
U_{min} 3.201 8.467 15.783
{\rm log}_{10}(\gamma_e)\, -3.007 -1.803 -0.610

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.360 -0.855 -0.161
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.483 2.006

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.445 -1.039 -0.678
0.03-0.10 Gyr -1.529 -0.650 0.110
0.10-0.33 Gyr -1.204 -0.476 0.103
0.33-1.07 Gyr -1.537 -0.702 -0.289
1.07-3.49 Gyr -2.052 -0.902 -0.586
3.49-11.42 Gyr -2.684 -1.164 -0.784
11.42-12.69 Gyr -2.676 -1.212 -0.603

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.509 9.650 9.766
{\rm log}_{10}({\rm SFR}) -0.371 -0.079 0.225
{\rm log}_{10}({\rm sSFR}) -10.019 -9.728 -9.409
{\rm stellar\ age} 3.873 5.461 6.654

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.559 -1.178 -0.774
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.355 0.189 0.391

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.091 0.186 0.316
\delta -0.490 -0.088 0.202
\tau_1/\tau_2 0.860 1.230 1.582
Q_{PAH} 1.198 2.831 4.820
U_{min} 2.570 7.154 13.832
{\rm log}_{10}(\gamma_e)\, -2.559 -1.538 -0.620

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.990 -2.691 -1.655
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.509 1.898

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.681 -0.498 -0.339
0.03-0.10 Gyr -0.320 0.028 0.361
0.10-0.33 Gyr 0.053 0.295 0.528
0.33-1.07 Gyr -0.339 0.024 0.250
1.07-3.49 Gyr -0.616 -0.267 -0.046
3.49-11.42 Gyr -0.741 -0.364 -0.153
11.42-12.69 Gyr -0.916 -0.350 0.096