2025qhw

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Information

Transient

Name: AT2025qhw
Right ascension: 15h27m24.76s
Declination: -0d26m35.97s
Discovery Date: June 29, 2025, 6:57 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.101

Host

Name: 55140
Right ascension: 15h27m24.78s
Declination: -0d26m38.53s
Redshift: 0.053429
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 39.35
Transient MWEBV processed 0.09
Host match processed 4.94
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.57
Validate global photometry processed 18.06
Global host SED inference processed 378.93
Local aperture photometry processed 7.24
Validate local photometry processed 0.03
Local host SED inference processed 531.55
 

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) = 15h27m24.76s, -0d26m35.97s
semi major axis, semi minor axis (arcsec) = 1.92, 1.92
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 33.15 1.93 20.099 0.063 AB
SDSS_g 133.28 3.06 18.588 0.025 AB
DES_g 141.56 0.45 18.523 0.003 AB
PanSTARRS_g 146.18 0.46 18.488 0.003 AB
SDSS_r 294.6 4.55 17.727 0.017 AB
PanSTARRS_r 313.27 0.64 17.660 0.002 AB
DES_r 324.89 1.09 17.621 0.004 AB
SDSS_i 460.53 5.79 17.242 0.014 AB
PanSTARRS_i 483.92 0.86 17.188 0.002 AB
PanSTARRS_z 626.11 1.85 16.908 0.003 AB
SDSS_z 656.81 9.03 16.856 0.015 AB
DES_z 655.84 3.94 16.858 0.007 AB
PanSTARRS_y 788.72 3.06 16.658 0.004 AB

Aperture details

RA, DEC (J2000) = 15h27m24.80s, -0d26m38.81s
semi major axis, semi minor axis (arcsec) = 18.44, 10.48
angle (degrees, anti-clockwise from east) = -8.25

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 53.98 5.57 19.569 0.112 AB
GALEX_NUV 63.59 1.92 19.391 0.033 AB
SDSS_u 409.79 10.6 17.369 0.028 AB
SDSS_g 1317.79 10.51 16.100 0.009 AB
DES_g 1392.77 1.57 16.040 0.001 AB
PanSTARRS_g 1394.49 3.08 16.039 0.002 AB
SDSS_r 2730.05 15.17 15.310 0.006 AB
PanSTARRS_r 2858.94 4.14 15.259 0.002 AB
DES_r 3088.7 3.51 15.176 0.001 AB
SDSS_i 4220.51 20.46 14.837 0.005 AB
PanSTARRS_i 4298.67 5.81 14.817 0.001 AB
PanSTARRS_z 5298.45 12.78 14.590 0.003 AB
SDSS_z 6254.16 48.89 14.410 0.008 AB
DES_z 5898.89 12.32 14.473 0.002 AB
PanSTARRS_y 6806.39 21.81 14.318 0.003 AB
2MASS_J 9394.99 424.84 13.073 0.049 Vega
2MASS_H 13105.22 580.48 12.239 0.048 Vega
2MASS_K 11102.62 706.05 11.949 0.069 Vega
WISE_W1 5739.41 48.9 11.804 0.009 Vega
WISE_W2 3711.54 56.53 11.637 0.017 Vega
WISE_W3 13382.43 171.59 8.410 0.014 Vega
WISE_W4 10356.0 966.55 7.242 0.101 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})\, 9.995 10.107 10.236
{\rm log}_{10}({\rm SFR}) -1.892 -0.734 0.113
{\rm log}_{10}({\rm sSFR}) -11.993 -10.825 -9.922
{\rm stellar\ age} 6.754 7.926 10.847

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.410 -0.836 -0.379
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.578 -0.105 0.347

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.427 0.913 1.337
\delta -0.422 -0.043 0.310
\tau_1/\tau_2 0.614 0.977 1.357
Q_{PAH} 0.571 2.095 4.489
U_{min} 3.011 8.271 15.778
{\rm log}_{10}(\gamma_e)\, -3.375 -1.883 -0.610

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.030 -1.525 -0.686
{\rm log}_{10}(\tau_{AGN})\, 0.970 1.351 1.890

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.437 -1.119 -0.454
0.03-0.10 Gyr -2.119 -0.698 0.231
0.10-0.33 Gyr -2.136 -0.676 0.036
0.33-1.08 Gyr -2.441 -0.839 -0.119
1.08-3.57 Gyr -2.159 -0.553 0.120
3.57-11.74 Gyr -0.458 0.208 0.403
11.74-13.04 Gyr -0.501 0.402 1.163

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.933 10.971 11.013
{\rm log}_{10}({\rm SFR}) 0.142 0.346 0.555
{\rm log}_{10}({\rm sSFR}) -10.836 -10.629 -10.413
{\rm stellar\ age} 7.255 7.849 9.045

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.266 -0.120 -0.005
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.226 0.341 0.430

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.237 0.317 0.420
\delta -0.491 -0.200 0.132
\tau_1/\tau_2 0.462 0.791 1.130
Q_{PAH} 2.421 3.641 4.968
U_{min} 2.330 6.926 14.061
{\rm log}_{10}(\gamma_e)\, -2.644 -1.875 -1.308

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.573 -2.358 -1.624
{\rm log}_{10}(\tau_{AGN})\, 1.237 1.700 2.005

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.272 0.429 0.572
0.03-0.10 Gyr 0.000 0.309 0.581
0.10-0.33 Gyr -0.041 0.298 0.555
0.33-1.08 Gyr -0.188 0.218 0.463
1.08-3.57 Gyr 0.265 0.668 0.944
3.57-11.74 Gyr 0.982 1.145 1.232
11.74-13.04 Gyr 0.780 1.243 1.713