2025czh

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Information

Transient

Name: AT2025czh
Right ascension: 8h11m45.00s
Declination: 65d47m54.68s
Discovery Date: Feb. 24, 2025, 4:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name: 2025czh
Right ascension: 8h11m44.34s
Declination: 65d47m56.18s
Redshift: None
Photometric Redshift: 0.197
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 1.97
Cutout download processed 13.61
Global aperture construction processed 0.56
Local aperture photometry processed 4.36
Global aperture photometry processed 4.54
Validate local photometry no valid phot 0.02
Validate global photometry processed 13.62
Host information processed 0.08
Global host SED inference processed 393.07
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
Processing status blocked 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) = 8h11m45.00s, 65d47m54.68s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 8h11m44.26s, 65d47m56.28s
semi major axis, semi minor axis (arcsec) = 4.71, 3.29
angle (degrees, anti-clockwise from east) = -57.27

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.12 3.55 21.285 0.347 AB
GALEX_NUV 7.68 2.6 21.687 0.368 AB
SDSS_u 18.28 3.16 20.745 0.188 AB
SDSS_g 47.31 2.03 19.713 0.047 AB
PanSTARRS_g 45.56 0.75 19.753 0.018 AB
SDSS_r 77.78 2.84 19.173 0.040 AB
PanSTARRS_r 71.44 0.93 19.265 0.014 AB
SDSS_i 108.74 4.05 18.809 0.040 AB
PanSTARRS_i 97.72 0.98 18.925 0.011 AB
PanSTARRS_z 111.3 3.28 18.784 0.032 AB
SDSS_z 123.27 12.26 18.673 0.108 AB
PanSTARRS_y 144.3 5.9 18.502 0.044 AB
2MASS_J 102.14 105.44 17.982 1.121 Vega
2MASS_H 344.32 156.48 16.190 0.493 Vega
2MASS_K 189.63 178.11 16.367 1.020 Vega
WISE_W1 94.27 12.88 16.265 0.148 Vega
WISE_W2 77.44 15.89 15.839 0.223 Vega
WISE_W3 61.71 60.33 14.250 1.061 Vega
WISE_W4 97.08 461.02 12.312 5.156 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.990 10.114 10.227
{\rm log}_{10}({\rm SFR}) -0.130 0.470 0.942
{\rm log}_{10}({\rm sSFR}) -10.241 -9.656 -9.149
{\rm stellar\ age} 1.940 3.983 5.458

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.319 -0.627 -0.108
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.977 0.090 0.350

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.309 0.551 0.849
\delta -0.258 0.031 0.225
\tau_1/\tau_2 0.530 0.893 1.272
Q_{PAH} 0.821 2.250 4.234
U_{min} 2.811 8.154 15.278
{\rm log}_{10}(\gamma_e)\, -2.890 -1.770 -0.581

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.102 -2.557 -1.301
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.490 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.811 -0.106 0.245
0.03-0.10 Gyr -0.098 0.581 1.088
0.10-0.32 Gyr 0.423 0.844 1.186
0.32-1.01 Gyr 0.170 0.636 0.931
1.01-3.21 Gyr -0.314 0.282 0.555
3.21-10.21 Gyr -0.849 0.005 0.291
10.21-11.35 Gyr -1.141 -0.071 0.506