2026hvu results

Information

Transient
Name:AT2026hvu
Right ascension: 12h30m44.27s
Declination:12d21m35.00s
Discovery Date:March 30, 2026, 7:03 a.m.
Classification:None
Redshift:None
MW E(B-V):0.020
Host
Name:NGC4486
Right ascension: 12h30m49.42s
Declination:12d23m27.96s
Redshift:0.004008
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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
DES_r
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.77
Transient MWEBV processed 0.04
Host match processed 3.98
Host information processed 0.19
Host MWEBV processed 0.04
Global aperture construction processed 1.32
Global aperture photometry processed 4.44
Validate global photometry processed 43.25
Global host SED inference processed 524.38
Local aperture photometry processed 4.6
Validate local photometry processed 0.02
Local host SED inference processed 421.43
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h30m44.27s, 12d21m35.00s
semi major axis, semi minor axis (arcsec):24.15, 24.15
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.91 1.92 20.967 0.140 AB
GALEX_NUV 21.31 0.8 20.579 0.041 AB
PanSTARRS_g 1245.81 6.44 16.161 0.006 AB
PanSTARRS_r 2417.17 9.54 15.442 0.004 AB
DES_r 3169.49 9.23 15.148 0.003 AB
PanSTARRS_i 3553.08 13.76 15.023 0.004 AB
PanSTARRS_z 5479.0 19.61 14.553 0.004 AB
PanSTARRS_y 6701.12 33.76 14.335 0.005 AB
2MASS_J 10522.97 595.98 12.950 0.061 Vega
2MASS_H 11015.46 975.38 12.427 0.096 Vega
2MASS_K 10745.4 869.72 11.984 0.088 Vega
WISE_W1 5597.01 409.7 11.831 0.079 Vega
WISE_W2 3224.08 265.68 11.790 0.089 Vega
WISE_W3 1956.23 305.16 10.497 0.169 Vega
WISE_W4 -208.39 939.46 Vega

Aperture details

RA, DEC (J2000):12h30m49.39s, 12d23m27.79s
semi major axis, semi minor axis (arcsec):56.8, 53.45
angle (degrees, anti-clockwise from east):-26.65
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2247.55 14.34 15.521 0.007 AB
GALEX_NUV 3817.18 5.98 14.946 0.002 AB
PanSTARRS_g 226648.42 70.53 10.512 0.000 AB
PanSTARRS_r 431461.78 131.16 9.813 0.000 AB
PanSTARRS_i 651587.78 182.46 9.365 0.000 AB
PanSTARRS_z 867951.44 255.5 9.054 0.000 AB
2MASS_J 1098887.62 1400.04 7.903 0.001 Vega
2MASS_H 1432619.33 2264.65 7.142 0.002 Vega
2MASS_K 1199796.8 2015.45 6.864 0.002 Vega
WISE_W1 721726.81 7806.52 6.555 0.012 Vega
WISE_W2 388299.88 4805.72 6.588 0.013 Vega
WISE_W3 164981.51 2031.18 5.682 0.013 Vega
WISE_W4 170988.31 7205.27 4.198 0.046 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.672 8.735 8.850
{\rm log}_{10}({\rm SFR}) -2.107 -1.840 -1.591
{\rm log}_{10}({\rm sSFR}) -10.900 -10.601 -10.309
{\rm stellar\ age} 7.612 8.642 11.955

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.294 -0.089 0.060
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.743 -1.491 -1.225

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.584 0.757 0.962
\delta -0.697 -0.535 -0.370
\tau_1/\tau_2 0.371 0.666 0.962
Q_{PAH} 0.302 0.879 2.050
U_{min} 2.430 7.271 14.431
{\rm log}_{10}(\gamma_e)\, -3.482 -2.882 -2.282

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.219 -3.191 -2.015
{\rm log}_{10}(\tau_{AGN})\, 0.902 1.330 1.858

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.721 -1.482 -1.284
0.03-0.10 Gyr -3.400 -2.325 -1.804
0.10-0.33 Gyr -3.800 -2.541 -1.989
0.33-1.10 Gyr -3.449 -2.326 -1.821
1.10-3.66 Gyr -3.231 -1.944 -1.384
3.66-12.15 Gyr -1.769 -1.174 -1.035
12.15-13.50 Gyr -1.425 -0.831 -0.103

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.873 10.968 11.045
{\rm log}_{10}({\rm SFR}) -1.298 -0.869 -0.521
{\rm log}_{10}({\rm sSFR}) -12.273 -11.840 -11.489
{\rm stellar\ age} 8.174 10.974 12.797

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.492 -0.222 0.002
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.583 -0.847 -0.001

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.192 0.313 0.453
\delta -0.201 0.100 0.276
\tau_1/\tau_2 0.384 0.807 1.247
Q_{PAH} 0.168 0.432 0.844
U_{min} 2.301 6.403 13.413
{\rm log}_{10}(\gamma_e)\, -3.714 -3.289 -2.770

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.628 -3.883 -3.040
{\rm log}_{10}(\tau_{AGN})\, 0.907 1.315 1.816

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.537 -0.959 -0.615
0.03-0.10 Gyr -1.754 -0.890 -0.433
0.10-0.33 Gyr -2.400 -1.058 -0.429
0.33-1.10 Gyr -2.880 -1.101 -0.279
1.10-3.66 Gyr -2.566 -0.695 0.330
3.66-12.15 Gyr -1.236 0.754 1.125
12.15-13.50 Gyr 0.979 1.883 2.162