2025nxb

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Information

Transient

Name: AT2025nxb
Right ascension: 15h08m05.61s
Declination: -0d21m42.57s
Discovery Date: June 17, 2025, 10:26 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.055

Host

Name: 1145249
Right ascension: 15h08m05.52s
Declination: -0d21m41.90s
Redshift: None
Photometric Redshift: 0.072
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 12.63
Transient MWEBV processed 0.04
Host match processed 4.69
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 4.71
Validate global photometry processed 13.62
Global host SED inference processed 421.53
Local aperture photometry processed 5.39
Validate local photometry processed 0.02
Local host SED inference processed 437.12
 

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) = 15h08m05.61s, -0d21m42.57s
semi major axis, semi minor axis (arcsec) = 1.45, 1.45
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 53.12 0.33 19.587 0.007 AB
PanSTARRS_g 52.75 0.37 19.594 0.008 AB
PanSTARRS_r 75.98 0.45 19.198 0.006 AB
DES_r 90.24 0.66 19.012 0.008 AB
PanSTARRS_i 100.33 0.6 18.896 0.007 AB
PanSTARRS_z 114.51 1.03 18.753 0.010 AB
DES_z 135.0 2.25 18.574 0.018 AB
PanSTARRS_y 128.77 2.2 18.625 0.019 AB

Aperture details

RA, DEC (J2000) = 15h08m05.60s, -0d21m41.48s
semi major axis, semi minor axis (arcsec) = 12.7, 9.85
angle (degrees, anti-clockwise from east) = -114.63

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 42.21 1.7 19.837 0.044 AB
GALEX_NUV 63.82 1.3 19.388 0.022 AB
DES_g 456.09 1.15 17.252 0.003 AB
PanSTARRS_g 510.88 2.7 17.129 0.006 AB
PanSTARRS_r 658.14 3.25 16.854 0.005 AB
DES_r 741.31 2.17 16.725 0.003 AB
PanSTARRS_i 922.19 4.53 16.488 0.005 AB
PanSTARRS_z 978.02 7.7 16.424 0.009 AB
DES_z 1025.63 7.01 16.373 0.007 AB
PanSTARRS_y 976.93 16.76 16.425 0.019 AB
2MASS_J 1861.29 334.49 14.831 0.195 Vega
2MASS_H 1243.62 490.73 14.796 0.428 Vega
2MASS_K 267.55 588.93 15.994 2.390 Vega
WISE_W2 318.45 27.28 14.303 0.093 Vega
WISE_W3 1470.66 114.77 10.807 0.085 Vega
WISE_W4 1632.77 571.58 9.248 0.380 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})\, 9.054 9.221 9.329
{\rm log}_{10}({\rm SFR}) -1.518 -0.821 -0.127
{\rm log}_{10}({\rm sSFR}) -10.771 -10.009 -9.265
{\rm stellar\ age} 2.384 5.305 6.751

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.300 -0.611 -0.194
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.689 -0.908 0.032

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.105 0.337 0.761
\delta -0.778 -0.384 0.047
\tau_1/\tau_2 0.686 1.047 1.406
Q_{PAH} 0.808 2.665 5.292
U_{min} 3.063 8.344 15.504
{\rm log}_{10}(\gamma_e)\, -2.962 -1.790 -0.539

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.508 -0.864 -0.269
{\rm log}_{10}(\tau_{AGN})\, 1.130 1.582 2.013

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.610 -1.117 -0.738
0.03-0.10 Gyr -1.646 -0.765 0.005
0.10-0.33 Gyr -1.229 -0.478 0.100
0.33-1.07 Gyr -0.979 -0.451 -0.127
1.07-3.52 Gyr -1.310 -0.618 -0.383
3.52-11.52 Gyr -1.794 -0.822 -0.574
11.52-12.80 Gyr -1.908 -0.859 -0.370

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.035 10.129 10.255
{\rm log}_{10}({\rm SFR}) -0.144 0.147 0.439
{\rm log}_{10}({\rm sSFR}) -10.332 -9.999 -9.644
{\rm stellar\ age} 3.104 5.453 7.344

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.324 -0.966 -0.685
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.884 -1.612 -0.949

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.148 0.331 0.563
\delta -0.565 -0.071 0.265
\tau_1/\tau_2 0.548 0.924 1.324
Q_{PAH} 0.570 1.471 2.791
U_{min} 2.800 7.444 14.362
{\rm log}_{10}(\gamma_e)\, -3.269 -2.266 -1.570

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.493 -3.685 -2.578
{\rm log}_{10}(\tau_{AGN})\, 1.066 1.610 1.960

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.386 0.040 0.226
0.03-0.10 Gyr -0.209 0.181 0.540
0.10-0.33 Gyr 0.111 0.484 0.789
0.33-1.07 Gyr 0.004 0.493 0.867
1.07-3.52 Gyr -0.117 0.271 0.520
3.52-11.52 Gyr -0.483 0.095 0.380
11.52-12.80 Gyr -0.656 0.115 0.653