2025agag

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Information

Transient

Name: AT2025agag
Right ascension: 12h43m58.19s
Declination: 66d36m00.86s
Discovery Date: Dec. 6, 2025, 10:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name: 2688931
Right ascension: 12h43m57.58s
Declination: 66d36m02.06s
Redshift: 0.075215
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.72
Transient MWEBV processed 0.04
Host match processed 4.88
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.37
Validate global photometry processed 15.41
Global host SED inference processed 729.38
Local aperture photometry processed 5.18
Validate local photometry processed 0.02
Local host SED inference processed 511.25
 

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) = 12h43m58.19s, 66d36m00.86s
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 30.49 0.32 20.190 0.012 AB
SDSS_r 68.53 2.25 19.310 0.036 AB
PanSTARRS_r 66.07 0.42 19.350 0.007 AB
SDSS_i 97.13 2.81 18.932 0.031 AB
PanSTARRS_i 93.31 0.52 18.975 0.006 AB
PanSTARRS_z 121.16 1.14 18.692 0.010 AB
SDSS_z 143.04 5.07 18.511 0.038 AB
PanSTARRS_y 146.42 2.31 18.486 0.017 AB

Aperture details

RA, DEC (J2000) = 12h43m57.66s, 66d36m02.00s
semi major axis, semi minor axis (arcsec) = 11.96, 9.08
angle (degrees, anti-clockwise from east) = -171.2

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.05 3.26 21.292 0.320 AB
GALEX_NUV 8.48 0.77 21.579 0.099 AB
SDSS_u 110.71 9.16 18.790 0.090 AB
SDSS_g 919.73 8.49 16.491 0.010 AB
PanSTARRS_g 1000.46 2.36 16.399 0.003 AB
SDSS_r 2137.0 12.99 15.575 0.007 AB
PanSTARRS_r 2141.17 3.0 15.573 0.002 AB
SDSS_i 3167.69 16.97 15.148 0.006 AB
PanSTARRS_i 3071.57 3.73 15.182 0.001 AB
SDSS_z 4369.69 34.5 14.799 0.009 AB
PanSTARRS_y 4970.39 17.11 14.659 0.004 AB
2MASS_J 6211.7 254.14 13.522 0.044 Vega
2MASS_H 7872.02 400.62 12.792 0.055 Vega
2MASS_K 7310.43 427.48 12.402 0.063 Vega
WISE_W1 3037.42 30.47 12.495 0.011 Vega
WISE_W2 1784.89 31.85 12.432 0.019 Vega
WISE_W3 517.31 89.24 11.942 0.187 Vega
WISE_W4 469.84 454.21 10.600 1.050 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})\, 9.586 9.691 9.772
{\rm log}_{10}({\rm SFR}) -2.266 -1.468 -0.756
{\rm log}_{10}({\rm sSFR}) -11.945 -11.145 -10.432
{\rm stellar\ age} 7.146 8.339 11.865

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.876 -0.422 -0.064
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.554 -0.683 0.150

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.244 0.613 1.059
\delta -0.387 0.020 0.301
\tau_1/\tau_2 0.635 1.012 1.386
Q_{PAH} 0.941 2.944 5.423
U_{min} 3.104 8.627 14.948
{\rm log}_{10}(\gamma_e)\, -3.099 -1.789 -0.483

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.253 -0.577 -0.106
{\rm log}_{10}(\tau_{AGN})\, 1.027 1.467 2.007

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.645 -1.692 -1.000
0.03-0.10 Gyr -2.500 -1.487 -0.664
0.10-0.33 Gyr -2.752 -1.515 -0.721
0.33-1.07 Gyr -3.382 -1.546 -0.721
1.07-3.51 Gyr -3.160 -1.165 -0.382
3.51-11.49 Gyr -1.473 -0.271 -0.053
11.49-12.76 Gyr -0.529 0.212 0.873

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.116 11.215 11.245
{\rm log}_{10}({\rm SFR}) -1.549 -1.053 -0.637
{\rm log}_{10}({\rm sSFR}) -12.736 -12.248 -11.769
{\rm stellar\ age} 8.395 11.908 12.118

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.457 -0.363 -0.281
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.199 -0.689 -0.235

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.093 0.154 0.226
\delta -0.959 -0.852 -0.663
\tau_1/\tau_2 0.419 0.834 1.301
Q_{PAH} 0.434 1.673 3.956
U_{min} 3.025 8.324 15.716
{\rm log}_{10}(\gamma_e)\, -1.869 -1.008 -0.402

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.550 -3.722 -2.722
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.553 1.931

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.432 -0.949 -0.573
0.03-0.10 Gyr -2.674 -1.244 -0.621
0.10-0.33 Gyr -3.618 -1.497 -0.677
0.33-1.07 Gyr -3.572 -1.494 -0.543
1.07-3.51 Gyr -3.038 -1.213 -0.112
3.51-11.49 Gyr -1.768 0.106 1.338
11.49-12.76 Gyr 1.558 2.346 2.390