2025ctd

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Information

Transient

Name: AT2025ctd
Right ascension: 2h31m48.31s
Declination: 32d08m40.03s
Discovery Date: Feb. 21, 2025, 3:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.076

Host

Name: 2025ctd
Right ascension: 2h31m48.04s
Declination: 32d08m39.75s
Redshift: None
Photometric Redshift: 0.196
 

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 1.91
Cutout download processed 2.95
Global aperture construction processed 0.6
Local aperture photometry processed 3.41
Global aperture photometry processed 3.67
Validate local photometry no valid phot 0.02
Validate global photometry processed 10.74
Host information processed 0.08
Global host SED inference processed 394.49
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
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) = 2h31m48.31s, 32d08m40.03s
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

Aperture details

RA, DEC (J2000) = 2h31m48.03s, 32d08m39.87s
semi major axis, semi minor axis (arcsec) = 7.3, 4.2
angle (degrees, anti-clockwise from east) = -124.05

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.64 3.95 20.847 0.257 AB
GALEX_NUV 8.21 2.86 21.614 0.378 AB
PanSTARRS_g 111.15 1.41 18.785 0.014 AB
PanSTARRS_r 222.9 1.72 18.030 0.008 AB
PanSTARRS_i 325.68 1.94 17.618 0.006 AB
PanSTARRS_z 392.41 4.2 17.416 0.012 AB
PanSTARRS_y 446.28 9.09 17.276 0.022 AB
2MASS_J 633.68 128.72 16.000 0.221 Vega
2MASS_H 781.18 211.17 15.301 0.293 Vega
2MASS_K 1076.29 232.4 14.482 0.234 Vega
WISE_W1 426.13 20.36 14.627 0.052 Vega
WISE_W2 328.07 22.68 14.271 0.075 Vega
WISE_W3 1263.26 119.38 10.972 0.103 Vega
WISE_W4 1828.97 619.76 9.124 0.368 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.755 10.838 10.903
{\rm log}_{10}({\rm SFR}) 0.265 0.563 0.839
{\rm log}_{10}({\rm sSFR}) -10.540 -10.249 -10.004
{\rm stellar\ age} 4.132 5.500 6.419

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.569 -0.281 -0.068
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.454 0.128 0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.183 0.311 0.471
\delta -0.258 0.091 0.297
\tau_1/\tau_2 0.576 0.893 1.256
Q_{PAH} 1.085 3.171 5.186
U_{min} 2.251 7.070 14.353
{\rm log}_{10}(\gamma_e)\, -2.985 -1.694 -0.472

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.880 -2.306 -1.244
{\rm log}_{10}(\tau_{AGN})\, 1.107 1.607 1.961

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.299 0.553 0.751
0.03-0.10 Gyr 0.168 0.555 0.902
0.10-0.32 Gyr 0.293 0.687 0.966
0.32-1.01 Gyr 0.669 0.972 1.201
1.01-3.21 Gyr 0.859 1.089 1.309
3.21-10.22 Gyr 0.665 0.967 1.102
10.22-11.35 Gyr 0.201 0.887 1.320