2025ivy results

Information

Transient
Name:AT2025ivy
Right ascension: 16h02m49.04s
Declination:39d55m16.66s
Discovery Date:April 30, 2025, 8:05 a.m.
Classification:None
Redshift:None
MW E(B-V):0.012
Host
Name:2025ivy
Right ascension: 16h02m49.31s
Declination:39d55m18.95s
Redshift:0.070982
Photometric Redshift:0.074
 

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
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_z
 DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.36
Transient MWEBV processed 0.09
Host match processed 1.4
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.68
Global aperture photometry processed 6.8
Validate global photometry processed 18.36
Global host SED inference processed 399.84
Local aperture photometry processed 6.7
Validate local photometry processed 0.03
Local host SED inference processed 416.02
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):16h02m49.04s, 39d55m16.66s
semi major axis, semi minor axis (arcsec):1.48, 1.48
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 15.29 1.12 20.939 0.079 AB
DES_g 17.01 0.27 20.823 0.017 AB
PanSTARRS_g 17.02 0.36 20.822 0.023 AB
SDSS_r 27.89 1.5 20.286 0.058 AB
PanSTARRS_r 30.36 0.34 20.194 0.012 AB
SDSS_i 37.99 2.01 19.951 0.057 AB
PanSTARRS_i 41.22 0.38 19.862 0.010 AB
PanSTARRS_z 42.88 0.85 19.819 0.022 AB
SDSS_z 47.59 4.09 19.706 0.093 AB
DES_z 45.25 1.19 19.761 0.029 AB
PanSTARRS_y 59.05 2.45 19.472 0.045 AB

Aperture details

RA, DEC (J2000):16h02m49.26s, 39d55m19.34s
semi major axis, semi minor axis (arcsec):16.78, 7.42
angle (degrees, anti-clockwise from east):-42.21
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 41.96 5.36 19.843 0.139 AB
GALEX_NUV 57.72 4.07 19.497 0.077 AB
SDSS_u 199.74 8.29 18.149 0.045 AB
SDSS_g 584.69 7.31 16.983 0.014 AB
DES_g 593.86 1.6 16.966 0.003 AB
PanSTARRS_g 630.89 2.72 16.900 0.005 AB
SDSS_r 1034.65 9.58 16.363 0.010 AB
PanSTARRS_r 1087.37 2.51 16.309 0.003 AB
SDSS_i 1505.08 13.7 15.956 0.010 AB
PanSTARRS_i 1525.14 2.81 15.942 0.002 AB
PanSTARRS_z 1674.79 6.39 15.840 0.004 AB
SDSS_z 1697.45 30.08 15.826 0.019 AB
DES_z 1810.12 7.81 15.756 0.005 AB
PanSTARRS_y 2072.73 18.33 15.609 0.010 AB
2MASS_J 2475.39 268.9 14.521 0.118 Vega
2MASS_H 2449.56 382.84 14.060 0.170 Vega
2MASS_K 3043.32 444.06 13.354 0.158 Vega
WISE_W1 1318.92 20.06 13.400 0.017 Vega
WISE_W2 823.11 24.54 13.272 0.032 Vega
WISE_W3 2272.53 67.91 10.335 0.032 Vega
WISE_W4 2020.08 415.86 9.017 0.224 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.896 9.016 9.141
{\rm log}_{10}({\rm SFR}) -1.885 -1.230 -0.637
{\rm log}_{10}({\rm sSFR}) -10.971 -10.253 -9.618
{\rm stellar\ age} 5.549 7.051 8.490

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.663 -1.149 -0.577
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.228 -0.210 0.272

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.272 0.649 1.072
\delta -0.450 -0.092 0.236
\tau_1/\tau_2 0.700 1.069 1.392
Q_{PAH} 1.109 2.776 5.018
U_{min} 2.973 8.040 14.689
{\rm log}_{10}(\gamma_e)\, -2.993 -1.903 -0.774

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.499 -0.495 -0.052
{\rm log}_{10}(\tau_{AGN})\, 1.112 1.563 1.976

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.803 -1.251 -0.781
0.03-0.10 Gyr -2.088 -1.268 -0.587
0.10-0.33 Gyr -2.107 -1.302 -0.704
0.33-1.07 Gyr -2.106 -1.291 -0.824
1.07-3.52 Gyr -1.685 -1.029 -0.765
3.52-11.53 Gyr -1.252 -0.878 -0.694
11.53-12.82 Gyr -1.424 -0.833 -0.259

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.496 10.537 10.578
{\rm log}_{10}({\rm SFR}) -0.113 0.059 0.223
{\rm log}_{10}({\rm sSFR}) -10.661 -10.484 -10.309
{\rm stellar\ age} 6.552 7.292 8.104

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.446 -0.311 -0.213
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.125 0.211 0.309

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.133 0.179 0.261
\delta -0.891 -0.677 -0.351
\tau_1/\tau_2 0.554 0.894 1.268
Q_{PAH} 1.065 2.175 3.528
U_{min} 2.353 6.937 13.544
{\rm log}_{10}(\gamma_e)\, -3.213 -2.297 -1.493

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.357 -3.369 -2.377
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.471 1.872

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.140 0.242 0.331
0.03-0.10 Gyr -0.388 -0.054 0.213
0.10-0.33 Gyr -0.428 -0.088 0.186
0.33-1.07 Gyr -0.295 0.048 0.266
1.07-3.52 Gyr 0.171 0.468 0.706
3.52-11.53 Gyr 0.567 0.708 0.793
11.53-12.82 Gyr 0.249 0.712 1.113