2026cii

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Information

Transient

Name: AT2026cii
Right ascension: 1h23m54.95s
Declination: -18d11m22.40s
Discovery Date: Feb. 4, 2026, 5:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name:
Right ascension: 1h23m54.93s
Declination: -18d11m22.79s
Redshift: None
Photometric Redshift: 0.088
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 7.57
Transient MWEBV processed 0.16
Host match processed 7.05
Host information processed 0.06
Host MWEBV processed 0.11
Global aperture construction processed 0.65
Global aperture photometry processed 5.5
Validate global photometry processed 15.11
Global host SED inference processed 428.28
Local aperture photometry processed 5.46
Validate local photometry processed 0.02
Local host SED inference processed 617.2
 

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) = 1h23m54.95s, -18d11m22.40s
semi major axis, semi minor axis (arcsec) = 1.21, 1.21
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 43.97 0.23 19.792 0.006 AB
PanSTARRS_r 53.22 0.53 19.585 0.011 AB
DES_r 64.81 0.3 19.371 0.005 AB
PanSTARRS_i 56.08 0.5 19.528 0.010 AB
PanSTARRS_z 60.93 1.02 19.438 0.018 AB
DES_z 84.15 1.01 19.087 0.013 AB
PanSTARRS_y 69.22 1.89 19.299 0.030 AB

Aperture details

RA, DEC (J2000) = 1h23m54.91s, -18d11m22.63s
semi major axis, semi minor axis (arcsec) = 4.32, 3.31
angle (degrees, anti-clockwise from east) = -9.82

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.11 2.61 21.770 0.399 AB
GALEX_NUV 14.0 2.42 21.035 0.188 AB
DES_g 87.95 0.36 19.039 0.005 AB
PanSTARRS_g 85.46 0.95 19.071 0.012 AB
PanSTARRS_r 120.14 1.56 18.701 0.014 AB
DES_r 128.35 0.48 18.629 0.004 AB
PanSTARRS_i 141.05 1.49 18.527 0.011 AB
PanSTARRS_z 148.78 3.06 18.469 0.022 AB
DES_z 163.88 1.59 18.364 0.011 AB
PanSTARRS_y 166.19 5.73 18.348 0.037 AB
2MASS_J 173.61 99.93 17.406 0.625 Vega
2MASS_H 98.9 160.96 17.544 1.767 Vega
2MASS_K 132.51 184.33 16.757 1.510 Vega
WISE_W1 78.05 8.43 16.470 0.117 Vega
WISE_W2 48.15 11.41 16.355 0.257 Vega
WISE_W3 40.7 51.5 14.702 1.374 Vega
WISE_W4 285.77 334.29 11.140 1.270 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})\, 8.555 8.794 8.963
{\rm log}_{10}({\rm SFR}) -1.129 -0.496 0.236
{\rm log}_{10}({\rm sSFR}) -10.019 -9.306 -8.273
{\rm stellar\ age} 0.252 1.959 4.514

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.446 -0.075 0.112
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.544 -0.726 0.116

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.116 0.291 0.481
\delta -0.846 -0.456 0.024
\tau_1/\tau_2 0.638 1.023 1.441
Q_{PAH} 1.124 3.662 5.967
U_{min} 3.569 9.094 16.833
{\rm log}_{10}(\gamma_e)\, -2.893 -1.449 -0.374

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.423 -0.415 -0.045
{\rm log}_{10}(\tau_{AGN})\, 1.142 1.567 2.036

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.154 -0.789 -0.482
0.03-0.10 Gyr -1.461 -0.448 0.383
0.10-0.33 Gyr -1.046 -0.131 0.299
0.33-1.06 Gyr -2.712 -0.664 -0.144
1.06-3.48 Gyr -3.929 -1.701 -0.906
3.48-11.34 Gyr -4.731 -1.994 -1.194
11.34-12.60 Gyr -4.660 -1.906 -1.029

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.238 9.402 9.576
{\rm log}_{10}({\rm SFR}) -1.336 -0.652 -0.069
{\rm log}_{10}({\rm sSFR}) -10.778 -10.086 -9.394
{\rm stellar\ age} 1.733 4.463 6.351

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.724 -1.035 -0.368
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.381 0.016 0.374

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.132 0.273 0.436
\delta -0.689 -0.306 0.101
\tau_1/\tau_2 0.680 1.045 1.402
Q_{PAH} 0.999 2.580 4.720
U_{min} 2.918 8.538 15.799
{\rm log}_{10}(\gamma_e)\, -2.508 -1.376 -0.456

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.764 -2.060 -1.190
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.550 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.929 -1.009 -0.627
0.03-0.10 Gyr -1.533 -0.594 0.068
0.10-0.33 Gyr -0.572 0.000 0.408
0.33-1.06 Gyr -0.632 -0.055 0.255
1.06-3.48 Gyr -1.345 -0.465 -0.158
3.48-11.34 Gyr -2.032 -0.755 -0.355
11.34-12.60 Gyr -2.175 -0.802 -0.173