2025whw

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Information

Transient

Name: AT2025whw
Right ascension: 22h17m51.62s
Declination: 11d52m42.38s
Discovery Date: Aug. 29, 2025, 10:57 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.059

Host

Name: SDSSJ221751.47+11524
Right ascension: 22h17m51.36s
Declination: 11d52m41.92s
Redshift: None
Photometric Redshift: 0.070
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 3.72
Cutout download processed 28.29
Global aperture construction processed 0.64
Local aperture photometry processed 6.14
Global aperture photometry processed 5.35
Validate local photometry processed 0.02
Validate global photometry processed 15.8
Host information processed 0.14
Global host SED inference processed 438.52
Local host SED inference processed 405.61
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 22h17m51.62s, 11d52m42.38s
semi major axis, semi minor axis (arcsec) = 1.51, 1.51
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 25.03 1.35 20.404 0.059 AB
DES_g 25.43 0.23 20.387 0.010 AB
PanSTARRS_g 23.44 0.39 20.475 0.018 AB
SDSS_r 47.86 1.91 19.700 0.043 AB
PanSTARRS_r 40.96 0.43 19.869 0.011 AB
DES_r 53.4 0.63 19.581 0.013 AB
SDSS_i 66.5 2.43 19.343 0.040 AB
PanSTARRS_i 63.37 0.44 19.395 0.008 AB
PanSTARRS_z 77.03 1.13 19.183 0.016 AB
SDSS_z 90.34 7.0 19.010 0.084 AB
DES_z 90.54 1.84 19.008 0.022 AB
PanSTARRS_y 82.27 2.27 19.112 0.030 AB

Aperture details

RA, DEC (J2000) = 22h17m51.46s, 11d52m42.31s
semi major axis, semi minor axis (arcsec) = 14.77, 3.04
angle (degrees, anti-clockwise from east) = -104.81

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 51.06 6.36 19.630 0.135 AB
SDSS_g 171.17 3.86 18.316 0.024 AB
DES_g 129.78 0.59 18.617 0.005 AB
PanSTARRS_g 169.26 1.7 18.329 0.011 AB
SDSS_r 295.43 5.35 17.724 0.020 AB
PanSTARRS_r 283.3 1.84 17.769 0.007 AB
DES_r 252.57 1.61 17.894 0.007 AB
SDSS_i 407.19 7.53 17.376 0.020 AB
PanSTARRS_i 413.49 1.9 17.359 0.005 AB
PanSTARRS_z 494.43 4.92 17.165 0.011 AB
SDSS_z 468.76 29.85 17.223 0.069 AB
DES_z 433.17 4.54 17.308 0.011 AB
PanSTARRS_y 574.72 9.84 17.001 0.019 AB
2MASS_J 799.17 164.88 15.748 0.224 Vega
2MASS_H 1108.06 287.51 14.921 0.282 Vega
2MASS_K 1254.31 295.52 14.316 0.256 Vega
WISE_W1 391.15 18.18 14.720 0.050 Vega
WISE_W2 270.11 21.43 14.482 0.086 Vega
WISE_W3 534.91 95.79 11.905 0.194 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.016 9.165 9.285
{\rm log}_{10}({\rm SFR}) -1.431 -0.877 -0.277
{\rm log}_{10}({\rm sSFR}) -10.620 -10.056 -9.277
{\rm stellar\ age} 4.000 6.224 7.602

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.172 -0.553 -0.129
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.768 -1.093 0.145

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.347 0.677 1.046
\delta -0.662 -0.345 -0.042
\tau_1/\tau_2 0.700 1.026 1.384
Q_{PAH} 0.774 2.299 4.499
U_{min} 2.989 7.845 14.503
{\rm log}_{10}(\gamma_e)\, -2.852 -1.674 -0.683

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.839 -1.031 -0.377
{\rm log}_{10}(\tau_{AGN})\, 0.977 1.368 1.887

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.347 -0.948 -0.613
0.03-0.10 Gyr -1.638 -0.880 -0.167
0.10-0.33 Gyr -1.723 -0.928 -0.427
0.33-1.07 Gyr -1.451 -0.819 -0.406
1.07-3.52 Gyr -1.232 -0.735 -0.502
3.52-11.55 Gyr -1.288 -0.783 -0.557
11.55-12.84 Gyr -1.517 -0.801 -0.304

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.996 10.082 10.181
{\rm log}_{10}({\rm SFR}) -0.801 -0.218 0.204
{\rm log}_{10}({\rm sSFR}) -10.880 -10.319 -9.873
{\rm stellar\ age} 6.947 7.977 10.927

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.928 -0.583 -0.346
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.396 -0.182 0.139

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.200 0.376 0.622
\delta -0.432 -0.037 0.260
\tau_1/\tau_2 0.479 0.870 1.316
Q_{PAH} 0.518 1.500 3.790
U_{min} 2.956 8.303 14.926
{\rm log}_{10}(\gamma_e)\, -2.801 -1.680 -0.932

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.986 -1.821 -1.424
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.303 1.747

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.719 -0.373 -0.070
0.03-0.10 Gyr -1.012 -0.197 0.313
0.10-0.33 Gyr -1.734 -0.587 -0.084
0.33-1.07 Gyr -2.422 -0.844 -0.317
1.07-3.52 Gyr -1.668 -0.478 0.071
3.52-11.55 Gyr -0.353 0.198 0.350
11.55-12.84 Gyr -0.186 0.468 1.202