2025yun

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Information

Transient

Name: AT2025yun
Right ascension: 7h28m21.55s
Declination: 64d41m50.35s
Discovery Date: Sept. 18, 2025, 5:48 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name:
Right ascension: 7h28m21.50s
Declination: 64d41m51.55s
Redshift: None
Photometric Redshift: 0.076
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.6
Transient MWEBV processed 0.09
Host match processed 4.72
Host information processed 0.11
Host MWEBV processed 0.03
Global aperture construction processed 0.77
Global aperture photometry processed 4.06
Validate global photometry processed 11.28
Global host SED inference processed 467.45
Local aperture photometry processed 3.96
Validate local photometry processed 0.02
Local host SED inference processed 458.17
 

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) = 7h28m21.55s, 64d41m50.35s
semi major axis, semi minor axis (arcsec) = 1.39, 1.39
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 31.49 0.35 20.155 0.012 AB
PanSTARRS_r 61.12 0.38 19.435 0.007 AB
PanSTARRS_i 87.27 0.43 19.048 0.005 AB
PanSTARRS_z 104.38 1.27 18.853 0.013 AB
PanSTARRS_y 120.62 2.68 18.696 0.024 AB

Aperture details

RA, DEC (J2000) = 7h28m21.46s, 64d41m51.49s
semi major axis, semi minor axis (arcsec) = 13.98, 8.28
angle (degrees, anti-clockwise from east) = -2.89

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 42.34 4.16 19.833 0.107 AB
GALEX_NUV 38.72 2.77 19.930 0.078 AB
PanSTARRS_g 356.82 2.55 17.519 0.008 AB
PanSTARRS_r 626.77 2.72 16.907 0.005 AB
PanSTARRS_i 899.18 3.24 16.515 0.004 AB
PanSTARRS_z 1050.62 9.58 16.346 0.010 AB
PanSTARRS_y 1179.85 20.55 16.220 0.019 AB
2MASS_J 1341.6 204.77 15.186 0.166 Vega
2MASS_H 1970.16 285.97 14.296 0.158 Vega
2MASS_K 1244.58 381.94 14.325 0.333 Vega
WISE_W1 726.92 27.79 14.047 0.042 Vega
WISE_W2 445.38 27.53 13.939 0.067 Vega
WISE_W3 1253.54 109.47 10.981 0.095 Vega
WISE_W4 1084.3 526.25 9.692 0.527 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.453 9.556 9.671
{\rm log}_{10}({\rm SFR}) -1.844 -1.164 -0.545
{\rm log}_{10}({\rm sSFR}) -11.438 -10.769 -10.084
{\rm stellar\ age} 6.404 7.589 10.512

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.522 -1.012 -0.540
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.643 -0.829 0.076

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.401 0.696 1.026
\delta -0.403 -0.023 0.266
\tau_1/\tau_2 0.688 1.044 1.378
Q_{PAH} 0.971 2.814 5.227
U_{min} 3.129 8.577 15.752
{\rm log}_{10}(\gamma_e)\, -2.974 -1.759 -0.569

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.759 -0.958 -0.250
{\rm log}_{10}(\tau_{AGN})\, 1.076 1.540 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.133 -1.345 -0.839
0.03-0.10 Gyr -2.027 -1.203 -0.439
0.10-0.33 Gyr -2.348 -1.222 -0.603
0.33-1.07 Gyr -2.505 -1.169 -0.550
1.07-3.51 Gyr -2.315 -0.767 -0.325
3.51-11.48 Gyr -0.873 -0.341 -0.167
11.48-12.76 Gyr -0.790 -0.153 0.620

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.448 10.513 10.604
{\rm log}_{10}({\rm SFR}) -0.350 -0.085 0.213
{\rm log}_{10}({\rm sSFR}) -10.878 -10.611 -10.354
{\rm stellar\ age} 7.785 9.590 11.867

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.786 -0.591 -0.459
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.603 0.087 0.370

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.051 0.110 0.211
\delta -0.256 0.083 0.296
\tau_1/\tau_2 0.622 1.042 1.496
Q_{PAH} 1.183 3.341 5.396
U_{min} 2.549 8.035 15.791
{\rm log}_{10}(\gamma_e)\, -2.595 -1.300 -0.460

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.086 -2.936 -1.867
{\rm log}_{10}(\tau_{AGN})\, 1.188 1.705 2.006

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.483 -0.208 -0.050
0.03-0.10 Gyr -0.470 -0.043 0.327
0.10-0.33 Gyr -1.706 -0.508 -0.103
0.33-1.07 Gyr -2.106 -0.735 -0.271
1.07-3.51 Gyr -2.338 -0.676 -0.101
3.51-11.48 Gyr -0.650 0.532 0.727
11.48-12.76 Gyr 0.613 1.337 1.728