2026ahm

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Information

Transient

Name: AT2026ahm
Right ascension: 12h06m09.22s
Declination: 54d35m00.27s
Discovery Date: Jan. 11, 2026, 8:23 a.m.
Classification: None
Redshift: None
MW E(B-V):

Host

Name:
Right ascension: 12h06m09.22s
Declination: 54d35m01.93s
Redshift: None
Photometric Redshift: 0.077
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.06
Transient MWEBV processed 0.22
Host match processed 5.08
Host information processed 0.13
Host MWEBV processed 0.05
Global aperture construction processed 0.68
Global aperture photometry processed 4.92
Validate global photometry processed 15.96
Global host SED inference processed 484.34
Local aperture photometry processed 5.16
Validate local photometry processed 0.02
Local host SED inference processed 397.13
 

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) = 12h06m09.22s, 54d35m00.27s
semi major axis, semi minor axis (arcsec) = 1.37, 1.37
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 17.26 0.29 20.808 0.018 AB
SDSS_r 30.78 1.57 20.179 0.055 AB
PanSTARRS_r 27.06 0.39 20.319 0.016 AB
SDSS_i 43.19 1.98 19.812 0.050 AB
PanSTARRS_i 38.27 0.54 19.943 0.015 AB
PanSTARRS_z 44.14 0.92 19.788 0.023 AB
SDSS_z 56.44 4.28 19.521 0.082 AB
PanSTARRS_y 46.59 2.12 19.729 0.049 AB

Aperture details

RA, DEC (J2000) = 12h06m09.21s, 54d35m02.24s
semi major axis, semi minor axis (arcsec) = 8.45, 3.96
angle (degrees, anti-clockwise from east) = -15.79

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.89 1.73 21.975 0.319 AB
GALEX_NUV 11.31 1.72 21.266 0.165 AB
SDSS_u 42.07 4.78 19.840 0.123 AB
SDSS_g 102.79 3.14 18.870 0.033 AB
PanSTARRS_g 93.3 1.2 18.975 0.014 AB
SDSS_r 153.79 4.24 18.433 0.030 AB
PanSTARRS_r 158.18 1.61 18.402 0.011 AB
SDSS_i 224.55 5.83 18.022 0.028 AB
PanSTARRS_i 211.19 2.22 18.088 0.011 AB
PanSTARRS_z 243.96 3.81 17.932 0.017 AB
SDSS_z 345.37 16.91 17.554 0.053 AB
PanSTARRS_y 269.95 8.84 17.822 0.036 AB
2MASS_J 796.94 135.76 15.752 0.185 Vega
2MASS_H 796.35 230.09 15.280 0.314 Vega
2MASS_K 304.44 218.74 15.853 0.780 Vega
WISE_W1 151.59 1.69 15.749 0.012 Vega
WISE_W2 77.28 2.16 15.841 0.030 Vega
WISE_W3 66.2 6.55 14.174 0.107 Vega
WISE_W4 517.46 29.22 10.495 0.061 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})\, 8.812 9.006 9.140
{\rm log}_{10}({\rm SFR}) -1.845 -1.201 -0.556
{\rm log}_{10}({\rm sSFR}) -10.900 -10.233 -9.485
{\rm stellar\ age} 2.689 5.891 7.426

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.617 -1.041 -0.489
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.651 -0.901 0.019

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.363 0.764 1.258
\delta -0.416 -0.119 0.220
\tau_1/\tau_2 0.706 1.060 1.411
Q_{PAH} 0.844 2.704 5.084
U_{min} 3.074 7.962 14.816
{\rm log}_{10}(\gamma_e)\, -2.918 -1.720 -0.563

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.425 -0.585 -0.105
{\rm log}_{10}(\tau_{AGN})\, 1.111 1.523 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.859 -1.348 -0.882
0.03-0.10 Gyr -2.000 -1.206 -0.468
0.10-0.33 Gyr -1.874 -1.075 -0.398
0.33-1.07 Gyr -1.663 -0.916 -0.435
1.07-3.50 Gyr -1.595 -0.893 -0.617
3.50-11.47 Gyr -1.932 -0.965 -0.713
11.47-12.74 Gyr -2.029 -1.024 -0.516

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.683 9.778 9.889
{\rm log}_{10}({\rm SFR}) -0.933 -0.365 0.141
{\rm log}_{10}({\rm sSFR}) -10.754 -10.179 -9.640
{\rm stellar\ age} 6.595 7.496 10.436

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.272 -0.948 -0.662
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.544 -0.054 0.388

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.180 0.320 0.499
\delta -0.636 -0.257 0.099
\tau_1/\tau_2 0.607 0.968 1.348
Q_{PAH} 0.216 0.730 1.758
U_{min} 3.069 8.358 15.732
{\rm log}_{10}(\gamma_e)\, -3.235 -2.568 -1.818

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.393 -3.369 -2.439
{\rm log}_{10}(\tau_{AGN})\, 1.012 1.469 1.898

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.248 -1.506 -0.944
0.03-0.10 Gyr -0.859 -0.218 0.302
0.10-0.33 Gyr -1.402 -0.331 0.052
0.33-1.07 Gyr -2.858 -0.752 -0.319
1.07-3.50 Gyr -2.259 -0.611 -0.221
3.50-11.47 Gyr -0.625 -0.109 0.056
11.47-12.74 Gyr -0.597 0.059 0.891