2025xqi

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Information

Transient

Name: AT2025xqi
Right ascension: 0h12m09.30s
Declination: 4d01m51.14s
Discovery Date: Sept. 15, 2025, 6:37 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.026

Host

Name:
Right ascension: 0h12m09.33s
Declination: 4d01m46.76s
Redshift: None
Photometric Redshift: 0.065
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.65
Transient MWEBV processed 0.04
Host match processed 6.15
Host information processed 0.14
Host MWEBV processed 0.03
Global aperture construction processed 0.63
Global aperture photometry processed 5.53
Validate global photometry processed 14.72
Global host SED inference processed 439.79
Local aperture photometry processed 5.7
Validate local photometry processed 0.02
Local host SED inference processed 414.07
 

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) = 0h12m09.30s, 4d01m51.14s
semi major axis, semi minor axis (arcsec) = 1.6, 1.6
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 6.7 1.15 21.835 0.186 AB
SDSS_g 14.88 1.14 20.968 0.083 AB
DES_g 17.41 0.17 20.798 0.010 AB
PanSTARRS_g 21.99 0.49 20.545 0.024 AB
SDSS_r 23.71 1.47 20.463 0.067 AB
PanSTARRS_r 26.22 0.31 20.353 0.013 AB
DES_r 26.91 0.25 20.325 0.010 AB
SDSS_i 28.4 1.83 20.267 0.070 AB
PanSTARRS_i 36.65 0.51 19.990 0.015 AB
PanSTARRS_z 37.29 1.23 19.971 0.036 AB
SDSS_z 27.81 4.76 20.290 0.186 AB
DES_z 34.82 0.66 20.045 0.020 AB
PanSTARRS_y 46.97 2.53 19.720 0.058 AB

Aperture details

RA, DEC (J2000) = 0h12m09.33s, 4d01m47.43s
semi major axis, semi minor axis (arcsec) = 11.99, 4.02
angle (degrees, anti-clockwise from east) = -170.78

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.66 3.9 20.913 0.270 AB
GALEX_NUV 31.99 3.64 20.138 0.124 AB
SDSS_u 64.93 4.66 19.369 0.078 AB
SDSS_g 164.07 4.13 18.362 0.027 AB
DES_g 163.01 0.57 18.369 0.004 AB
PanSTARRS_g 194.75 2.09 18.176 0.012 AB
SDSS_r 268.32 5.44 17.828 0.022 AB
PanSTARRS_r 238.12 1.33 17.958 0.006 AB
DES_r 283.31 0.88 17.769 0.003 AB
SDSS_i 331.23 7.13 17.600 0.023 AB
PanSTARRS_i 342.81 2.17 17.562 0.007 AB
PanSTARRS_z 376.82 5.28 17.460 0.015 AB
SDSS_z 369.84 20.46 17.480 0.060 AB
DES_z 420.89 2.43 17.340 0.006 AB
PanSTARRS_y 464.09 10.82 17.233 0.025 AB
2MASS_J 189.01 173.63 17.314 0.997 Vega
2MASS_H 647.42 301.47 15.504 0.506 Vega
2MASS_K 1112.5 296.06 14.446 0.289 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})\, 8.472 8.718 8.869
{\rm log}_{10}({\rm SFR}) -1.412 -0.845 -0.312
{\rm log}_{10}({\rm sSFR}) -10.172 -9.572 -8.908
{\rm stellar\ age} 3.165 6.435 7.890

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.585 -1.096 -0.578
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.250 -0.651 -0.113

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.232 0.592 0.971
\delta -0.503 -0.123 0.263
\tau_1/\tau_2 0.789 1.144 1.493
Q_{PAH} 0.783 2.536 4.899
U_{min} 3.114 8.069 15.010
{\rm log}_{10}(\gamma_e)\, -2.872 -1.794 -0.729

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.491 -0.700 -0.117
{\rm log}_{10}(\tau_{AGN})\, 0.990 1.393 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.544 -1.149 -0.819
0.03-0.10 Gyr -1.464 -0.768 -0.188
0.10-0.33 Gyr -1.892 -1.148 -0.636
0.33-1.08 Gyr -2.238 -1.412 -0.960
1.08-3.54 Gyr -2.157 -1.343 -1.031
3.54-11.60 Gyr -2.149 -1.243 -0.995
11.60-12.89 Gyr -2.261 -1.253 -0.658

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.458 9.682 9.837
{\rm log}_{10}({\rm SFR}) -0.015 0.412 0.831
{\rm log}_{10}({\rm sSFR}) -9.710 -9.261 -8.765
{\rm stellar\ age} 1.699 5.201 7.214

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.390 -0.443 -0.052
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.477 -0.003 0.281

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.459 0.917 1.245
\delta -0.126 0.098 0.284
\tau_1/\tau_2 0.757 1.142 1.522
Q_{PAH} 0.483 1.969 3.866
U_{min} 2.636 7.603 14.998
{\rm log}_{10}(\gamma_e)\, -3.255 -1.865 -0.905

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.345 -2.671 -0.963
{\rm log}_{10}(\tau_{AGN})\, 0.895 1.401 1.881

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.420 -0.093 0.184
0.03-0.10 Gyr 0.032 0.524 0.975
0.10-0.33 Gyr -0.223 0.387 0.824
0.33-1.08 Gyr -1.110 -0.229 0.209
1.08-3.54 Gyr -1.508 -0.407 -0.067
3.54-11.60 Gyr -1.717 -0.450 -0.105
11.60-12.89 Gyr -1.765 -0.404 0.197