2026chf

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Information

Transient

Name: AT2026chf
Right ascension: 11h21m38.23s
Declination: 16d01m40.10s
Discovery Date: Feb. 6, 2026, 7:53 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name: 34824
Right ascension: 11h21m38.33s
Declination: 16d01m52.89s
Redshift: 0.032044
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.83
Transient MWEBV processed 0.11
Host match processed 4.47
Host information processed 0.05
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 6.22
Validate global photometry processed 19.1
Global host SED inference processed 447.22
Local aperture photometry processed 6.07
Validate local photometry processed 0.03
Local host SED inference processed 444.01
 

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) = 11h21m38.23s, 16d01m40.10s
semi major axis, semi minor axis (arcsec) = 3.13, 3.13
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 39.72 3.02 19.903 0.083 AB
SDSS_g 108.22 2.98 18.814 0.030 AB
DES_g 110.97 0.63 18.787 0.006 AB
PanSTARRS_g 107.74 0.66 18.819 0.007 AB
SDSS_r 152.76 3.59 18.440 0.026 AB
PanSTARRS_r 151.56 0.89 18.449 0.006 AB
DES_r 163.79 1.21 18.364 0.008 AB
SDSS_i 178.64 4.48 18.270 0.027 AB
PanSTARRS_i 170.25 0.83 18.322 0.005 AB
PanSTARRS_z 193.82 1.78 18.182 0.010 AB
SDSS_z 223.24 9.87 18.028 0.048 AB
DES_z 206.26 2.35 18.114 0.012 AB
PanSTARRS_y 210.7 5.52 18.091 0.028 AB
2MASS_J 237.7 65.21 17.065 0.298 Vega
2MASS_H 264.97 118.73 16.474 0.487 Vega
2MASS_K 160.73 109.31 16.547 0.738 Vega

Aperture details

RA, DEC (J2000) = 11h21m38.36s, 16d01m53.07s
semi major axis, semi minor axis (arcsec) = 25.88, 16.6
angle (degrees, anti-clockwise from east) = -7.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 314.03 16.58 17.658 0.057 AB
SDSS_u 1250.03 19.84 16.158 0.017 AB
SDSS_g 3600.89 17.83 15.009 0.005 AB
SDSS_r 5821.28 22.58 14.487 0.004 AB
DES_r 6150.19 7.54 14.428 0.001 AB
PanSTARRS_i 7121.2 5.49 14.269 0.001 AB
PanSTARRS_z 8337.67 11.64 14.097 0.002 AB
SDSS_z 8567.55 65.22 14.068 0.008 AB
PanSTARRS_y 9531.92 36.43 13.952 0.004 AB
2MASS_H 12654.11 793.31 12.277 0.068 Vega
2MASS_K 10461.08 731.09 12.013 0.076 Vega
WISE_W4 17914.18 1695.17 6.647 0.103 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})\, 8.574 8.751 8.908
{\rm log}_{10}({\rm SFR}) -1.556 -1.117 -0.704
{\rm log}_{10}({\rm sSFR}) -10.435 -9.848 -9.368
{\rm stellar\ age} 3.901 6.361 8.088

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.742 -1.209 -0.616
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.784 -1.445 -0.635

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.139 0.351 0.643
\delta -0.684 -0.258 0.136
\tau_1/\tau_2 0.788 1.152 1.513
Q_{PAH} 0.755 2.870 5.206
U_{min} 2.983 8.120 14.474
{\rm log}_{10}(\gamma_e)\, -3.092 -1.763 -0.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.533 -1.349 -0.497
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.521 2.006

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.479 -1.174 -0.952
0.03-0.10 Gyr -1.687 -1.102 -0.610
0.10-0.33 Gyr -1.731 -1.069 -0.599
0.33-1.10 Gyr -1.781 -1.191 -0.817
1.10-3.62 Gyr -1.735 -1.219 -0.947
3.62-11.99 Gyr -1.760 -1.245 -0.963
11.99-13.33 Gyr -1.990 -1.250 -0.684

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.290 10.370 10.434
{\rm log}_{10}({\rm SFR}) -0.013 0.398 0.726
{\rm log}_{10}({\rm sSFR}) -10.402 -9.973 -9.644
{\rm stellar\ age} 4.365 6.154 7.462

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.557 -0.376 -0.214
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.822 -0.930 0.268

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.139 0.287 0.534
\delta -0.636 -0.180 0.155
\tau_1/\tau_2 0.658 0.970 1.312
Q_{PAH} 0.357 0.932 1.915
U_{min} 2.855 7.123 13.565
{\rm log}_{10}(\gamma_e)\, -3.354 -2.361 -1.674

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.136 -1.919 -1.503
{\rm log}_{10}(\tau_{AGN})\, 0.935 1.260 1.734

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.158 0.114 0.328
0.03-0.10 Gyr -0.046 0.477 0.849
0.10-0.33 Gyr 0.399 0.722 1.010
0.33-1.10 Gyr 0.259 0.556 0.832
1.10-3.62 Gyr 0.229 0.514 0.737
3.62-11.99 Gyr 0.035 0.382 0.544
11.99-13.33 Gyr -0.242 0.374 0.817