2025xjr

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Information

Transient

Name: AT2025xjr
Right ascension: 16h54m19.50s
Declination: 30d02m38.28s
Discovery Date: Sept. 7, 2025, 3:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name: SDSSJ165419.49+30023
Right ascension: 16h54m19.44s
Declination: 30d02m33.04s
Redshift: 0.070614
Photometric Redshift: 0.071
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.94
Transient MWEBV processed 0.05
Host match processed 4.55
Host information processed 0.14
Host MWEBV processed 0.06
Global aperture construction processed 0.67
Global aperture photometry processed 6.04
Validate global photometry processed 16.98
Global host SED inference processed 597.5
Local aperture photometry processed 6.41
Validate local photometry processed 0.02
Local host SED inference processed 421.96
 

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) = 16h54m19.50s, 30d02m38.28s
semi major axis, semi minor axis (arcsec) = 1.49, 1.49
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 4.94 0.7 22.165 0.153 AB
DES_g 5.43 0.2 22.064 0.040 AB
PanSTARRS_g 6.63 0.29 21.847 0.048 AB
SDSS_r 8.63 1.0 21.561 0.126 AB
PanSTARRS_r 8.99 0.34 21.516 0.041 AB
DES_r 7.74 0.31 21.678 0.043 AB
SDSS_i 9.31 1.37 21.478 0.160 AB
PanSTARRS_i 11.22 0.46 21.275 0.045 AB
PanSTARRS_z 11.29 0.85 21.268 0.082 AB
SDSS_z 17.59 4.11 20.787 0.254 AB
PanSTARRS_y 7.34 2.22 21.736 0.329 AB

Aperture details

RA, DEC (J2000) = 16h54m19.45s, 30d02m33.55s
semi major axis, semi minor axis (arcsec) = 7.69, 6.59
angle (degrees, anti-clockwise from east) = -19.53

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 30.41 5.41 20.192 0.193 AB
GALEX_NUV 31.19 0.91 20.165 0.032 AB
SDSS_u 29.51 5.84 20.225 0.215 AB
SDSS_g 190.44 4.06 18.201 0.023 AB
DES_g 189.59 1.11 18.205 0.006 AB
PanSTARRS_g 186.63 1.41 18.223 0.008 AB
SDSS_r 269.54 5.31 17.823 0.021 AB
PanSTARRS_r 270.57 1.64 17.819 0.007 AB
DES_r 282.61 1.75 17.772 0.007 AB
SDSS_i 342.99 7.25 17.562 0.023 AB
PanSTARRS_i 322.49 2.2 17.629 0.007 AB
PanSTARRS_z 333.34 4.04 17.593 0.013 AB
SDSS_z 460.5 19.9 17.242 0.047 AB
PanSTARRS_y 339.7 10.6 17.572 0.034 AB
2MASS_J 296.61 138.93 16.825 0.509 Vega
2MASS_H 192.16 200.89 16.823 1.135 Vega
2MASS_K 459.11 214.32 15.407 0.507 Vega
WISE_W1 152.5 14.41 15.743 0.103 Vega
WISE_W2 76.33 15.47 15.854 0.220 Vega
WISE_W3 131.14 79.53 13.432 0.658 Vega
WISE_W4 67.89 448.84 12.700 7.177 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})\, 8.120 8.272 8.391
{\rm log}_{10}({\rm SFR}) -2.198 -1.665 -1.052
{\rm log}_{10}({\rm sSFR}) -10.466 -9.908 -9.232
{\rm stellar\ age} 3.101 6.065 7.462

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.622 -1.153 -0.636
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.448 -0.914 -0.259

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.186 0.460 0.924
\delta -0.314 0.079 0.308
\tau_1/\tau_2 0.634 0.993 1.358
Q_{PAH} 1.029 2.636 4.967
U_{min} 2.987 8.087 15.372
{\rm log}_{10}(\gamma_e)\, -2.988 -1.958 -0.826

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.485 0.009 0.312
{\rm log}_{10}(\tau_{AGN})\, 1.222 1.563 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.330 -1.856 -1.451
0.03-0.10 Gyr -2.298 -1.632 -0.953
0.10-0.33 Gyr -2.263 -1.674 -1.067
0.33-1.07 Gyr -2.388 -1.669 -1.240
1.07-3.52 Gyr -2.260 -1.654 -1.389
3.52-11.54 Gyr -2.440 -1.704 -1.473
11.54-12.82 Gyr -2.656 -1.747 -1.217

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.766 9.831 9.919
{\rm log}_{10}({\rm SFR}) -0.719 -0.475 -0.212
{\rm log}_{10}({\rm sSFR}) -10.552 -10.304 -10.049
{\rm stellar\ age} 6.999 7.852 10.358

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.803 -1.535 -1.240
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.731 -0.955 0.151

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.029 0.089 0.179
\delta -0.298 0.066 0.292
\tau_1/\tau_2 0.737 1.192 1.641
Q_{PAH} 2.660 4.877 6.288
U_{min} 3.122 8.623 16.120
{\rm log}_{10}(\gamma_e)\, -1.774 -0.829 -0.265

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.682 -2.366 -1.491
{\rm log}_{10}(\tau_{AGN})\, 1.090 1.655 2.004

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.164 -0.866 -0.663
0.03-0.10 Gyr -0.687 -0.377 -0.075
0.10-0.33 Gyr -0.755 -0.385 -0.114
0.33-1.07 Gyr -0.946 -0.502 -0.269
1.07-3.52 Gyr -1.150 -0.507 -0.213
3.52-11.54 Gyr -0.445 -0.064 0.060
11.54-12.82 Gyr -0.243 0.277 0.895