2025ynn

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Information

Transient

Name: AT2025ynn
Right ascension: 2h38m48.64s
Declination: -18d30m18.53s
Discovery Date: Sept. 20, 2025, 10:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.022

Host

Name:
Right ascension: 2h38m48.64s
Declination: -18d30m18.16s
Redshift: None
Photometric Redshift: 0.096
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.42
Transient MWEBV processed 0.05
Host match processed 6.21
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.68
Validate global photometry processed 14.07
Global host SED inference processed 395.2
Local aperture photometry failed 0.04
Validate local photometry not processed None
Local host SED inference not processed None
 

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) = 2h38m48.64s, -18d30m18.53s
semi major axis, semi minor axis (arcsec) = 1.12, 1.12
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) = 2h38m48.62s, -18d30m18.08s
semi major axis, semi minor axis (arcsec) = 11.56, 3.98
angle (degrees, anti-clockwise from east) = -175.69

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.29 2.37 20.939 0.169 AB
GALEX_NUV 29.67 2.06 20.219 0.075 AB
DES_g 201.16 0.51 18.141 0.003 AB
PanSTARRS_g 207.48 1.54 18.108 0.008 AB
PanSTARRS_r 298.6 1.8 17.712 0.007 AB
DES_r 342.63 0.73 17.563 0.002 AB
PanSTARRS_i 414.61 1.62 17.356 0.004 AB
PanSTARRS_z 492.5 3.85 17.169 0.008 AB
DES_z 522.3 3.09 17.105 0.006 AB
PanSTARRS_y 561.19 9.27 17.027 0.018 AB
2MASS_J 1040.55 190.91 15.462 0.199 Vega
2MASS_H 936.8 326.03 15.103 0.378 Vega
2MASS_K 902.62 331.42 14.673 0.399 Vega
WISE_W1 377.97 13.54 14.757 0.039 Vega
WISE_W2 213.15 15.7 14.739 0.080 Vega
WISE_W3 1004.76 64.8 11.221 0.070 Vega
WISE_W4 1609.33 412.44 9.263 0.278 Vega
 

Imaging data

Click the image to load the interactive plot.


 

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})\, 10.126 10.191 10.248
{\rm log}_{10}({\rm SFR}) -0.069 0.287 0.631
{\rm log}_{10}({\rm sSFR}) -10.257 -9.896 -9.512
{\rm stellar\ age} 5.454 6.444 7.437

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.759 -0.437 -0.225
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.688 -0.680 0.203

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.190 0.337 0.574
\delta -0.528 -0.112 0.147
\tau_1/\tau_2 0.708 1.043 1.344
Q_{PAH} 0.775 2.448 4.555
U_{min} 2.532 7.616 14.450
{\rm log}_{10}(\gamma_e)\, -2.724 -1.941 -1.261

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.260 -3.078 -2.060
{\rm log}_{10}(\tau_{AGN})\, 0.982 1.419 1.842

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.824 -0.232 0.025
0.03-0.10 Gyr -0.016 0.401 0.772
0.10-0.33 Gyr 0.213 0.514 0.811
0.33-1.06 Gyr -0.045 0.282 0.501
1.06-3.45 Gyr -0.085 0.206 0.407
3.45-11.25 Gyr 0.080 0.282 0.405
11.25-12.50 Gyr -0.113 0.365 0.797