2025ctb results

Information

Transient
Name:AT2025ctb
Right ascension: 15h39m54.27s
Declination:17d33m24.62s
Discovery Date:Feb. 21, 2025, 12:37 p.m.
Classification:None
Redshift:None
MW E(B-V):0.030
Host
Name:2025ctb
Right ascension: 15h39m54.39s
Declination:17d33m24.12s
Redshift:None
Photometric Redshift:0.118
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 20.17
Transient MWEBV processed 0.04
Host match processed 2.41
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.58
Global aperture photometry processed 6.7
Validate global photometry processed 19.94
Global host SED inference processed 366.62
Local aperture photometry processed 6.12
Validate local photometry processed 0.03
Local host SED inference not enough filters 17.96
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h39m54.27s, 17d33m24.62s
semi major axis, semi minor axis (arcsec):0.94, 0.94
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 29.19 1.12 20.237 0.041 AB

Aperture details

RA, DEC (J2000):15h39m54.37s, 17d33m24.27s
semi major axis, semi minor axis (arcsec):5.27, 4.14
angle (degrees, anti-clockwise from east):-135.79
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.29 3.73 21.091 0.304 AB
GALEX_NUV 17.75 3.13 20.777 0.192 AB
SDSS_u 32.71 4.05 20.113 0.134 AB
SDSS_g 128.8 3.36 18.625 0.028 AB
DES_g 141.47 0.74 18.523 0.006 AB
PanSTARRS_g 151.49 1.52 18.449 0.011 AB
SDSS_r 245.85 4.45 17.923 0.020 AB
PanSTARRS_r 250.45 1.35 17.903 0.006 AB
DES_r 260.07 1.46 17.862 0.006 AB
SDSS_i 332.66 6.19 17.595 0.020 AB
PanSTARRS_i 328.48 1.17 17.609 0.004 AB
PanSTARRS_z 377.23 2.79 17.458 0.008 AB
SDSS_z 475.33 13.88 17.208 0.032 AB
DES_z 404.29 4.2 17.383 0.011 AB
PanSTARRS_y 431.71 6.98 17.312 0.018 AB
2MASS_J 451.36 115.97 16.369 0.279 Vega
2MASS_H 611.22 198.2 15.567 0.352 Vega
2MASS_K 874.57 221.87 14.708 0.275 Vega
WISE_W1 291.65 11.9 15.039 0.044 Vega
WISE_W2 212.99 17.2 14.740 0.088 Vega
WISE_W3 783.11 55.24 11.491 0.077 Vega
WISE_W4 122.32 279.38 12.061 2.480 Vega
 

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})\, 10.245 10.289 10.337
{\rm log}_{10}({\rm SFR}) -0.233 -0.016 0.208
{\rm log}_{10}({\rm sSFR}) -10.518 -10.299 -10.065
{\rm stellar\ age} 5.778 6.492 7.287

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.789 -0.548 -0.334
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.342 -0.778 -0.183

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.122 0.205 0.335
\delta -0.634 -0.276 0.043
\tau_1/\tau_2 0.780 1.075 1.366
Q_{PAH} 0.921 2.242 3.978
U_{min} 2.699 7.749 14.433
{\rm log}_{10}(\gamma_e)\, -2.513 -1.412 -0.557

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.305 -1.744 -1.170
{\rm log}_{10}(\tau_{AGN})\, 1.145 1.552 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.258 -0.086 0.058
0.03-0.10 Gyr -0.286 0.009 0.291
0.10-0.32 Gyr -0.028 0.229 0.447
0.32-1.05 Gyr 0.090 0.313 0.480
1.05-3.40 Gyr 0.132 0.354 0.528
3.40-11.02 Gyr 0.306 0.437 0.528
11.02-12.24 Gyr 0.030 0.462 0.837