2025nbu

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Information

Transient

Name: AT2025nbu
Right ascension: 22h13m26.50s
Declination: -22d05m50.11s
Discovery Date: May 30, 2025, 5:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name: 2025nbu
Right ascension: 22h13m26.26s
Declination: -22d05m48.12s
Redshift: 0.017799
Photometric Redshift: 0.021
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.61
Transient MWEBV processed 0.1
Host match processed 1.07
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.74
Global aperture photometry processed 4.21
Validate global photometry processed 12.04
Global host SED inference processed 447.28
Local aperture photometry processed 4.1
Validate local photometry processed 0.02
Local host SED inference processed 403.33
 

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) = 22h13m26.50s, -22d05m50.11s
semi major axis, semi minor axis (arcsec) = 5.53, 5.53
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 155.8 7.27 18.419 0.051 AB
GALEX_NUV 271.6 5.42 17.815 0.022 AB
PanSTARRS_g 3514.65 1.69 15.035 0.001 AB
PanSTARRS_r 6431.27 2.54 14.379 0.000 AB
PanSTARRS_i 8685.83 2.32 14.053 0.000 AB
PanSTARRS_z 10675.82 5.9 13.829 0.001 AB
PanSTARRS_y 13274.62 11.38 13.592 0.001 AB
2MASS_J 16632.23 132.78 12.453 0.009 Vega
2MASS_H 21500.74 226.75 11.701 0.011 Vega
2MASS_K 17163.02 231.91 11.476 0.015 Vega

Aperture details

RA, DEC (J2000) = 22h13m26.24s, -22d05m47.33s
semi major axis, semi minor axis (arcsec) = 32.61, 19.72
angle (degrees, anti-clockwise from east) = -172.65

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1252.25 20.63 16.156 0.018 AB
GALEX_NUV 1803.14 14.25 15.760 0.009 AB
PanSTARRS_y 41890.64 50.89 12.345 0.001 AB
2MASS_J 49690.12 584.86 11.264 0.013 Vega
2MASS_H 64450.73 1023.65 10.509 0.017 Vega
2MASS_K 51735.36 1052.03 10.278 0.022 Vega
WISE_W1 28388.04 126.27 10.068 0.005 Vega
WISE_W2 17648.22 140.89 9.944 0.009 Vega
WISE_W3 87744.59 470.98 6.368 0.006 Vega
WISE_W4 119547.07 3642.55 4.586 0.033 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})\, 10.067 10.181 10.290
{\rm log}_{10}({\rm SFR}) 0.128 0.497 0.773
{\rm log}_{10}({\rm sSFR}) -10.055 -9.668 -9.359
{\rm stellar\ age} 4.199 6.280 7.816

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.442 -0.927 -0.385
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.360 -0.087 0.220

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.930 1.258 1.466
\delta -0.107 0.011 0.160
\tau_1/\tau_2 0.722 1.075 1.437
Q_{PAH} 0.964 2.163 3.422
U_{min} 2.462 7.430 14.200
{\rm log}_{10}(\gamma_e)\, -2.894 -1.845 -1.306

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.586 -3.582 -1.292
{\rm log}_{10}(\tau_{AGN})\, 1.208 1.722 2.071

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.031 0.307 0.523
0.03-0.10 Gyr 0.103 0.551 0.867
0.10-0.33 Gyr 0.112 0.508 0.818
0.33-1.10 Gyr -0.051 0.369 0.657
1.10-3.66 Gyr -0.043 0.296 0.557
3.66-12.17 Gyr -0.277 0.178 0.372
12.17-13.52 Gyr -0.393 0.202 0.721

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.528 10.678 10.784
{\rm log}_{10}({\rm SFR}) 0.290 0.580 0.847
{\rm log}_{10}({\rm sSFR}) -10.401 -10.073 -9.796
{\rm stellar\ age} 5.991 7.848 10.241

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.980 -0.495 -0.199
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.226 -0.623 0.004

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.259 0.522 0.796
\delta -0.368 -0.019 0.186
\tau_1/\tau_2 0.270 0.668 1.127
Q_{PAH} 0.514 1.417 3.172
U_{min} 2.018 6.018 12.802
{\rm log}_{10}(\gamma_e)\, -3.633 -3.004 -1.783

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.305 -3.317 -2.181
{\rm log}_{10}(\tau_{AGN})\, 1.167 1.688 2.008

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.359 0.675 0.953
0.03-0.10 Gyr -0.284 0.446 0.894
0.10-0.33 Gyr -0.883 0.228 0.725
0.33-1.10 Gyr -0.905 0.213 0.778
1.10-3.66 Gyr -0.532 0.480 0.816
3.66-12.17 Gyr 0.213 0.726 0.912
12.17-13.52 Gyr 0.300 0.936 1.604