2026coh

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Information

Transient

Name: AT2026coh
Right ascension: 3h12m39.42s
Declination: -2d00m38.10s
Discovery Date: Feb. 4, 2026, 2:45 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.058

Host

Name:
Right ascension: 3h12m39.56s
Declination: -2d00m38.45s
Redshift: None
Photometric Redshift: 0.145
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 9.33
Transient MWEBV processed 0.1
Host match processed 6.4
Host information processed 0.15
Host MWEBV processed 0.11
Global aperture construction processed 2.44
Global aperture photometry processed 5.44
Validate global photometry processed 15.04
Global host SED inference processed 446.55
Local aperture photometry processed 5.41
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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) = 3h12m39.42s, -2d00m38.10s
semi major axis, semi minor axis (arcsec) = 0.79, 0.79
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 3h12m39.55s, -2d00m38.04s
semi major axis, semi minor axis (arcsec) = 4.04, 3.21
angle (degrees, anti-clockwise from east) = -71.03

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.11 1.15 23.092 0.595 AB
GALEX_NUV 4.86 1.4 22.184 0.313 AB
DES_g 24.12 0.32 20.444 0.014 AB
PanSTARRS_g 25.3 1.22 20.392 0.052 AB
PanSTARRS_r 38.05 1.0 19.949 0.029 AB
DES_r 44.02 0.65 19.791 0.016 AB
PanSTARRS_i 51.05 1.49 19.630 0.032 AB
PanSTARRS_z 68.02 2.35 19.318 0.038 AB
DES_z 71.41 1.53 19.266 0.023 AB
PanSTARRS_y 76.52 6.06 19.191 0.086 AB
2MASS_J 59.48 99.06 18.569 1.808 Vega
2MASS_H 288.79 157.72 16.381 0.593 Vega
2MASS_K -239.91 191.68 Vega
WISE_W1 32.26 7.53 17.429 0.254 Vega
WISE_W2 12.07 9.02 17.857 0.811 Vega
WISE_W3 -35.12 58.36 Vega
WISE_W4 -176.21 349.54 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.562 9.706 9.820
{\rm log}_{10}({\rm SFR}) -0.944 0.026 0.577
{\rm log}_{10}({\rm sSFR}) -10.701 -9.728 -9.047
{\rm stellar\ age} 3.864 5.953 7.721

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.243 -0.627 -0.206
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.585 -0.656 0.201

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.179 0.462 0.787
\delta -0.411 -0.067 0.184
\tau_1/\tau_2 0.636 1.060 1.490
Q_{PAH} 0.689 2.079 4.189
U_{min} 3.191 9.418 17.435
{\rm log}_{10}(\gamma_e)\, -2.466 -1.372 -0.525

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.327 -1.306 -0.627
{\rm log}_{10}(\tau_{AGN})\, 1.184 1.527 1.823

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.357 -1.642 -0.825
0.03-0.10 Gyr -0.856 0.179 0.737
0.10-0.32 Gyr -0.455 0.217 0.612
0.32-1.04 Gyr -1.605 -0.310 0.093
1.04-3.33 Gyr -1.746 -0.346 -0.021
3.33-10.73 Gyr -1.041 -0.262 -0.032
10.73-11.92 Gyr -1.343 -0.184 0.507