2025nnb

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Information

Transient

Name: AT2025nnb
Right ascension: 12h49m50.90s
Declination: -4d38m41.31s
Discovery Date: June 14, 2025, 9:07 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name: 1055368
Right ascension: 12h49m51.21s
Declination: -4d38m40.56s
Redshift: 0.075200
Photometric Redshift:
 

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 4.31
Cutout download processed 38.23
Global aperture construction processed 0.66
Local aperture photometry processed 6.35
Global aperture photometry processed 5.87
Validate local photometry processed 0.02
Validate global photometry processed 16.65
Host information processed 0.15
Global host SED inference processed 512.56
Local host SED inference processed 454.35
Transient information processed 0.0
Transient MWEBV processed 0.1
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) = 12h49m50.90s, -4d38m41.31s
semi major axis, semi minor axis (arcsec) = 1.4, 1.4
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 26.74 0.4 20.332 0.016 AB
SDSS_r 42.94 1.8 19.818 0.045 AB
PanSTARRS_r 43.81 0.51 19.796 0.013 AB
DES_r 46.79 0.49 19.725 0.011 AB
SDSS_i 58.65 2.26 19.479 0.042 AB
PanSTARRS_i 55.26 0.67 19.544 0.013 AB
PanSTARRS_z 67.78 0.93 19.322 0.015 AB
SDSS_z 71.11 3.98 19.270 0.061 AB
DES_z 70.51 1.45 19.279 0.022 AB
PanSTARRS_y 75.33 2.01 19.208 0.029 AB

Aperture details

RA, DEC (J2000) = 12h49m51.21s, -4d38m40.10s
semi major axis, semi minor axis (arcsec) = 17.05, 13.31
angle (degrees, anti-clockwise from east) = -30.17

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 94.5 9.71 18.961 0.112 AB
GALEX_NUV 151.18 7.82 18.451 0.056 AB
SDSS_u 509.93 11.11 17.131 0.024 AB
SDSS_g 1246.07 10.5 16.161 0.009 AB
PanSTARRS_g 1223.83 4.21 16.181 0.004 AB
SDSS_r 2014.12 13.34 15.640 0.007 AB
PanSTARRS_r 2019.21 5.29 15.637 0.003 AB
DES_r 2269.94 3.63 15.510 0.002 AB
SDSS_i 2854.55 18.1 15.261 0.007 AB
PanSTARRS_z 3284.34 9.89 15.109 0.003 AB
SDSS_z 3077.35 38.92 15.180 0.014 AB
DES_z 3475.03 10.63 15.048 0.003 AB
PanSTARRS_y 3636.12 21.63 14.998 0.006 AB
2MASS_J 4644.12 385.28 13.838 0.090 Vega
2MASS_H 4963.65 535.86 13.293 0.117 Vega
2MASS_K 4965.55 687.37 12.822 0.150 Vega
WISE_W1 2462.42 35.21 12.723 0.016 Vega
WISE_W2 1577.37 43.08 12.566 0.030 Vega
WISE_W3 5183.34 172.24 9.439 0.036 Vega
WISE_W4 3866.07 923.76 8.312 0.259 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})\, 8.963 9.126 9.218
{\rm log}_{10}({\rm SFR}) -2.580 -1.514 -0.696
{\rm log}_{10}({\rm sSFR}) -11.617 -10.640 -9.774
{\rm stellar\ age} 3.111 6.265 7.610

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.223 -0.669 -0.185
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.502 -0.673 0.085

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.095 0.366 0.930
\delta -0.584 -0.117 0.228
\tau_1/\tau_2 0.699 1.061 1.447
Q_{PAH} 1.153 2.937 5.176
U_{min} 3.270 8.631 16.022
{\rm log}_{10}(\gamma_e)\, -2.893 -1.690 -0.514

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.106 -0.324 0.029
{\rm log}_{10}(\tau_{AGN})\, 1.123 1.534 1.981

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.425 -2.048 -1.397
0.03-0.10 Gyr -2.702 -1.448 -0.565
0.10-0.33 Gyr -1.779 -0.948 -0.224
0.33-1.07 Gyr -1.721 -0.905 -0.420
1.07-3.51 Gyr -1.655 -0.813 -0.536
3.51-11.49 Gyr -1.951 -0.827 -0.625
11.49-12.76 Gyr -2.014 -0.857 -0.323

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.653 10.746 10.838
{\rm log}_{10}({\rm SFR}) 1.217 1.431 1.687
{\rm log}_{10}({\rm sSFR}) -9.566 -9.321 -8.981
{\rm stellar\ age} 6.186 7.220 9.682

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.531 -0.357 -0.247
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.426 0.305 0.446

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.195 0.280 0.426
\delta -0.876 -0.679 -0.465
\tau_1/\tau_2 0.559 1.014 1.457
Q_{PAH} 0.571 1.273 2.124
U_{min} 2.033 5.844 12.919
{\rm log}_{10}(\gamma_e)\, -3.548 -2.835 -1.990

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.276 -2.256 -1.833
{\rm log}_{10}(\tau_{AGN})\, 0.953 1.311 1.750

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.069 0.441 0.697
0.03-0.10 Gyr 1.355 1.583 1.842
0.10-0.33 Gyr -1.335 0.301 0.796
0.33-1.07 Gyr -1.777 0.208 0.577
1.07-3.51 Gyr -0.631 0.541 0.861
3.51-11.49 Gyr 0.275 0.827 0.982
11.49-12.76 Gyr 0.356 1.022 1.756