2025xer

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Information

Transient

Name: AT2025xer
Right ascension: 18h15m46.60s
Declination: 50d55m34.11s
Discovery Date: Sept. 10, 2025, 4:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name:
Right ascension: 18h15m46.56s
Declination: 50d55m37.66s
Redshift: None
Photometric Redshift: 0.067
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 26.72
Transient MWEBV processed 0.07
Host match processed 6.82
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 4.9
Validate global photometry processed 13.25
Global host SED inference processed 380.46
Local aperture photometry processed 5.41
Validate local photometry processed 0.02
Local host SED inference processed 459.5
 

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) = 18h15m46.60s, 50d55m34.11s
semi major axis, semi minor axis (arcsec) = 1.56, 1.56
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 24.17 0.38 20.442 0.017 AB
PanSTARRS_g 19.52 0.33 20.674 0.018 AB
PanSTARRS_r 31.32 0.46 20.160 0.016 AB
PanSTARRS_i 42.78 0.42 19.822 0.011 AB
PanSTARRS_z 48.16 1.23 19.693 0.028 AB
DES_z 60.2 1.45 19.451 0.026 AB
PanSTARRS_y 66.64 2.62 19.341 0.043 AB

Aperture details

RA, DEC (J2000) = 18h15m46.54s, 50d55m37.93s
semi major axis, semi minor axis (arcsec) = 7.88, 7.66
angle (degrees, anti-clockwise from east) = -172.54

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 37.85 5.16 19.955 0.148 AB
GALEX_NUV 57.24 3.88 19.506 0.074 AB
DES_g 432.55 1.6 17.310 0.004 AB
PanSTARRS_g 460.17 1.63 17.243 0.004 AB
PanSTARRS_r 808.33 2.27 16.631 0.003 AB
PanSTARRS_z 1287.92 6.14 16.125 0.005 AB
DES_z 1357.27 6.93 16.068 0.006 AB
PanSTARRS_y 1636.68 13.02 15.865 0.009 AB
2MASS_J 1543.77 215.52 15.034 0.152 Vega
2MASS_H 2478.54 289.93 14.047 0.127 Vega
2MASS_K 2068.83 354.66 13.773 0.186 Vega
WISE_W1 1048.0 25.54 13.650 0.026 Vega
WISE_W2 649.95 21.65 13.529 0.036 Vega
WISE_W3 1557.65 53.31 10.745 0.037 Vega
WISE_W4 1390.36 318.95 9.422 0.249 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})\, 8.550 8.850 8.969
{\rm log}_{10}({\rm SFR}) -1.290 -0.662 -0.036
{\rm log}_{10}({\rm sSFR}) -10.204 -9.541 -8.668
{\rm stellar\ age} 0.833 5.226 6.952

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.625 -0.078 0.122
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.002 -0.340 0.098

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.283 0.731 1.173
\delta -0.584 -0.151 0.238
\tau_1/\tau_2 0.717 1.086 1.461
Q_{PAH} 0.675 2.237 4.571
U_{min} 3.072 8.175 15.362
{\rm log}_{10}(\gamma_e)\, -2.993 -1.564 -0.415

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.821 -0.682 -0.086
{\rm log}_{10}(\tau_{AGN})\, 1.151 1.553 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.434 -0.964 -0.596
0.03-0.10 Gyr -1.364 -0.590 0.089
0.10-0.33 Gyr -1.517 -0.807 -0.202
0.33-1.08 Gyr -1.961 -0.980 -0.520
1.08-3.53 Gyr -2.875 -1.175 -0.852
3.53-11.58 Gyr -3.526 -1.253 -0.930
11.58-12.87 Gyr -3.362 -1.334 -0.725

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.431 10.464 10.526
{\rm log}_{10}({\rm SFR}) -0.152 0.048 0.299
{\rm log}_{10}({\rm sSFR}) -10.637 -10.412 -10.177
{\rm stellar\ age} 7.465 8.245 10.646

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.365 -0.218 -0.087
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.019 0.201 0.347

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.064 0.117 0.199
\delta -0.666 -0.229 0.123
\tau_1/\tau_2 0.701 1.070 1.460
Q_{PAH} 1.577 3.449 5.275
U_{min} 2.720 7.639 14.841
{\rm log}_{10}(\gamma_e)\, -2.158 -1.269 -0.573

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.278 -3.241 -2.169
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.574 1.934

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.502 -0.189 -0.003
0.03-0.10 Gyr -0.178 0.125 0.428
0.10-0.33 Gyr -0.393 -0.025 0.248
0.33-1.08 Gyr -0.764 -0.293 -0.026
1.08-3.53 Gyr -0.729 -0.148 0.220
3.53-11.58 Gyr 0.211 0.621 0.710
11.58-12.87 Gyr 0.421 0.930 1.522