2025gnv

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Information

Transient

Name: AT2025gnv
Right ascension: 21h06m16.80s
Declination: 21d48m20.71s
Discovery Date: March 31, 2025, 3:14 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.169

Host

Name: 2025gnv
Right ascension: 21h06m16.21s
Declination: 21d48m24.14s
Redshift: 0.052400
Photometric Redshift: 0.059
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.06
Cutout download processed 14.32
Global aperture construction processed 0.66
Local aperture photometry processed 5.31
Global aperture photometry processed 5.42
Validate local photometry processed 0.02
Validate global photometry processed 16.16
Host information processed 0.09
Global host SED inference processed 407.28
Local host SED inference processed 422.94
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.06
Log transient processing status 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) = 21h06m16.80s, 21d48m20.71s
semi major axis, semi minor axis (arcsec) = 1.96, 1.96
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 3.11 2.27 22.667 0.791 AB
SDSS_g 11.0 1.04 21.296 0.103 AB
PanSTARRS_g 8.7 0.4 21.551 0.050 AB
SDSS_r 16.88 1.39 20.831 0.090 AB
PanSTARRS_r 14.79 0.53 20.975 0.039 AB
SDSS_i 28.0 2.09 20.282 0.081 AB
PanSTARRS_i 20.74 0.65 20.608 0.034 AB
PanSTARRS_z 22.41 1.4 20.524 0.068 AB
SDSS_z 38.24 5.38 19.944 0.153 AB
PanSTARRS_y 20.95 3.83 20.597 0.198 AB

Aperture details

RA, DEC (J2000) = 21h06m16.28s, 21d48m23.88s
semi major axis, semi minor axis (arcsec) = 10.28, 5.23
angle (degrees, anti-clockwise from east) = -65.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 20.67 2.61 20.612 0.137 AB
SDSS_u 164.4 8.87 18.360 0.059 AB
SDSS_g 462.25 5.98 17.238 0.014 AB
PanSTARRS_g 495.11 1.57 17.163 0.003 AB
SDSS_r 868.49 8.34 16.553 0.010 AB
PanSTARRS_r 916.12 2.06 16.495 0.002 AB
SDSS_i 1316.7 11.1 16.101 0.009 AB
PanSTARRS_i 1306.36 2.48 16.110 0.002 AB
PanSTARRS_z 1561.82 5.27 15.916 0.004 AB
SDSS_z 1738.61 21.93 15.799 0.014 AB
PanSTARRS_y 1872.39 14.15 15.719 0.008 AB
2MASS_J 2746.7 177.89 14.408 0.070 Vega
2MASS_H 2642.03 248.52 13.978 0.102 Vega
2MASS_K 2979.04 298.39 13.377 0.109 Vega
WISE_W1 1420.99 31.36 13.320 0.024 Vega
WISE_W2 920.42 32.66 13.151 0.039 Vega
WISE_W3 4412.5 109.5 9.614 0.027 Vega
WISE_W4 5003.67 740.97 8.032 0.161 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.261 8.450 8.577
{\rm log}_{10}({\rm SFR}) -2.100 -1.567 -0.959
{\rm log}_{10}({\rm sSFR}) -10.568 -10.034 -9.363
{\rm stellar\ age} 3.433 6.531 7.992

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.717 -1.274 -0.690
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.832 -1.293 0.063

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.173 0.474 0.929
\delta -0.383 0.014 0.272
\tau_1/\tau_2 0.679 1.059 1.410
Q_{PAH} 0.872 2.615 4.919
U_{min} 2.918 7.945 14.730
{\rm log}_{10}(\gamma_e)\, -2.948 -1.806 -0.705

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.079 -0.239 0.198
{\rm log}_{10}(\tau_{AGN})\, 1.205 1.583 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.300 -1.785 -1.154
0.03-0.10 Gyr -2.217 -1.539 -0.880
0.10-0.33 Gyr -2.168 -1.577 -0.921
0.33-1.08 Gyr -2.288 -1.646 -1.121
1.08-3.57 Gyr -2.231 -1.555 -1.271
3.57-11.75 Gyr -2.223 -1.502 -1.281
11.75-13.06 Gyr -2.404 -1.534 -0.964

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.080 10.235 10.349
{\rm log}_{10}({\rm SFR}) -0.043 0.460 0.992
{\rm log}_{10}({\rm sSFR}) -10.352 -9.813 -9.129
{\rm stellar\ age} 5.737 7.003 8.322

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.748 -0.480 -0.296
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.507 0.232 0.407

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.315 0.515
\delta -0.817 -0.489 -0.001
\tau_1/\tau_2 0.567 0.908 1.255
Q_{PAH} 0.996 2.230 4.314
U_{min} 2.477 7.022 13.754
{\rm log}_{10}(\gamma_e)\, -3.046 -2.157 -1.292

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.235 -2.149 -1.514
{\rm log}_{10}(\tau_{AGN})\, 1.047 1.536 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.701 -0.115 0.195
0.03-0.10 Gyr -0.047 0.591 1.145
0.10-0.33 Gyr -0.772 0.051 0.474
0.33-1.08 Gyr -0.782 -0.022 0.282
1.08-3.57 Gyr -0.369 0.173 0.439
3.57-11.75 Gyr -0.097 0.314 0.507
11.75-13.06 Gyr -0.274 0.348 0.896