2025chy

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Information

Transient

Name: AT2025chy
Right ascension: 2h50m41.76s
Declination: 11d35m30.06s
Discovery Date: Feb. 21, 2025, 3:26 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.139

Host

Name: 2025chy
Right ascension: 2h50m41.78s
Declination: 11d35m34.47s
Redshift: 0.043864
Photometric Redshift: 0.056
 

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 2.13
Cutout download processed 3.2
Global aperture construction processed 0.59
Local aperture photometry processed 3.3
Global aperture photometry processed 3.52
Validate local photometry processed 0.02
Validate global photometry processed 9.79
Host information processed 0.11
Global host SED inference processed 393.63
Local host SED inference processed 441.21
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.05
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) = 2h50m41.76s, 11d35m30.06s
semi major axis, semi minor axis (arcsec) = 2.32, 2.32
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 41.19 0.59 19.863 0.015 AB
PanSTARRS_r 77.79 0.8 19.173 0.011 AB
PanSTARRS_i 114.06 0.72 18.757 0.007 AB
PanSTARRS_z 147.44 1.55 18.478 0.011 AB
PanSTARRS_y 197.91 3.75 18.159 0.021 AB

Aperture details

RA, DEC (J2000) = 2h50m41.75s, 11d35m34.34s
semi major axis, semi minor axis (arcsec) = 17.49, 6.37
angle (degrees, anti-clockwise from east) = -113.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 28.85 5.27 20.250 0.198 AB
GALEX_NUV 51.73 5.61 19.616 0.118 AB
PanSTARRS_g 913.01 2.68 16.499 0.003 AB
PanSTARRS_r 1876.57 3.63 15.717 0.002 AB
PanSTARRS_i 2853.02 3.26 15.262 0.001 AB
PanSTARRS_z 3730.56 6.9 14.971 0.002 AB
PanSTARRS_y 4874.63 16.64 14.680 0.004 AB
2MASS_J 6212.39 289.67 13.522 0.051 Vega
2MASS_H 8439.02 464.55 12.717 0.060 Vega
2MASS_K 7255.51 450.01 12.411 0.067 Vega
WISE_W1 4055.14 37.06 12.181 0.010 Vega
WISE_W2 2695.83 44.41 11.984 0.018 Vega
WISE_W3 9505.06 209.97 8.781 0.024 Vega
WISE_W4 9891.07 1270.06 7.292 0.139 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})\, 8.945 9.152 9.271
{\rm log}_{10}({\rm SFR}) -1.479 -0.800 -0.215
{\rm log}_{10}({\rm sSFR}) -10.677 -9.968 -9.189
{\rm stellar\ age} 3.535 6.707 8.187

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.852 -0.304 0.014
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.290 -0.264 0.214

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.317 0.826 1.307
\delta -0.500 -0.137 0.156
\tau_1/\tau_2 0.746 1.092 1.440
Q_{PAH} 0.670 2.479 4.990
U_{min} 2.741 7.724 14.998
{\rm log}_{10}(\gamma_e)\, -3.224 -2.125 -1.039

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.783 -1.390 -0.464
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.471 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.759 -0.969 -0.484
0.03-0.10 Gyr -1.627 -0.791 -0.113
0.10-0.33 Gyr -1.565 -0.825 -0.251
0.33-1.09 Gyr -1.640 -0.944 -0.487
1.09-3.59 Gyr -1.574 -0.904 -0.608
3.59-11.85 Gyr -1.591 -0.810 -0.584
11.85-13.17 Gyr -1.798 -0.790 -0.222

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.634 10.678 10.756
{\rm log}_{10}({\rm SFR}) 0.107 0.368 0.665
{\rm log}_{10}({\rm sSFR}) -10.606 -10.330 -10.022
{\rm stellar\ age} 7.673 8.585 11.383

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.359 -0.147 0.007
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.854 0.167 0.340

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.277 0.413 0.614
\delta -0.472 -0.209 -0.020
\tau_1/\tau_2 0.635 1.028 1.437
Q_{PAH} 0.498 1.280 2.413
U_{min} 2.708 7.341 14.411
{\rm log}_{10}(\gamma_e)\, -3.108 -2.211 -1.591

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.227 -2.175 -1.651
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.511 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.207 0.423 0.602
0.03-0.10 Gyr -0.177 0.324 0.739
0.10-0.33 Gyr -0.678 -0.069 0.295
0.33-1.09 Gyr -0.902 -0.214 0.129
1.09-3.59 Gyr -0.802 -0.019 0.405
3.59-11.85 Gyr 0.257 0.803 0.908
11.85-13.17 Gyr 0.664 1.174 1.789