2025nkb

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Information

Transient

Name: AT2025nkb
Right ascension: 15h19m34.70s
Declination: 4d46m48.32s
Discovery Date: June 3, 2025, 6:37 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name: 2025nkb
Right ascension: 15h19m34.71s
Declination: 4d46m48.03s
Redshift: None
Photometric Redshift: 0.153
 

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 2.4
Cutout download processed 18.59
Global aperture construction processed 0.67
Local aperture photometry processed 5.82
Global aperture photometry processed 5.46
Validate local photometry no valid phot 0.03
Validate global photometry processed 16.17
Host information processed 0.09
Global host SED inference processed 484.7
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.06
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) = 15h19m34.70s, 4d46m48.32s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
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) = 15h19m34.70s, 4d46m47.90s
semi major axis, semi minor axis (arcsec) = 7.51, 3.87
angle (degrees, anti-clockwise from east) = -0.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.59 0.68 21.854 0.113 AB
GALEX_NUV 10.02 0.61 21.398 0.067 AB
SDSS_u 52.42 13.08 19.601 0.271 AB
SDSS_g 75.66 7.14 19.203 0.102 AB
PanSTARRS_g 79.62 1.22 19.147 0.017 AB
SDSS_r 119.74 7.41 18.704 0.067 AB
PanSTARRS_r 123.08 1.65 18.675 0.015 AB
SDSS_i 187.79 8.57 18.216 0.050 AB
PanSTARRS_i 170.19 2.13 18.323 0.014 AB
PanSTARRS_z 184.48 3.65 18.235 0.021 AB
SDSS_z 214.25 21.11 18.073 0.107 AB
PanSTARRS_y 213.67 7.81 18.076 0.040 AB
2MASS_J 306.88 141.05 16.788 0.499 Vega
2MASS_H 193.81 204.15 16.814 1.144 Vega
2MASS_K 456.34 257.47 15.414 0.613 Vega
WISE_W1 95.61 13.86 16.250 0.157 Vega
WISE_W2 91.74 17.91 15.655 0.212 Vega
WISE_W3 128.42 57.96 13.454 0.490 Vega
WISE_W4 3.95 268.88 15.789 73.949 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})\, 9.880 10.085 10.258
{\rm log}_{10}({\rm SFR}) 0.699 1.008 1.291
{\rm log}_{10}({\rm sSFR}) -9.478 -9.066 -8.639
{\rm stellar\ age} 4.856 6.381 8.073

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.485 -0.828 -0.468
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.048 0.288 0.418

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.247 0.354 0.511
\delta -0.863 -0.659 -0.448
\tau_1/\tau_2 0.535 1.042 1.519
Q_{PAH} 0.461 1.333 2.845
U_{min} 2.524 7.230 14.558
{\rm log}_{10}(\gamma_e)\, -3.378 -2.465 -1.404

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.282 -3.152 -2.115
{\rm log}_{10}(\tau_{AGN})\, 0.986 1.430 1.863

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.193 0.162 0.429
0.03-0.10 Gyr 0.837 1.152 1.437
0.10-0.32 Gyr -1.965 -0.269 0.539
0.32-1.03 Gyr -2.662 -0.554 0.023
1.03-3.31 Gyr -1.252 -0.170 0.207
3.31-10.65 Gyr -0.477 0.163 0.410
10.65-11.83 Gyr -0.499 0.298 0.957