Exposure
ID
PIONI.2025-01-04T07:34:02.077_1
Header ID
PIONI.2025-01-04T07:34:02.077
Date updated
2025-01-04 07:40:37 UTC+0000
Release date
2026-01-04 07:40:37 UTC+0000
UTC Start
2025-01-04 07:34:02.077
UTC End
2025-01-04 07:34:40.477
MJD Start
60679.3153018178
MJD End
60679.31574626224
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00387
Ambient temperature (°C)
10.7
Seeing (arcsec)
1.155
Observation
ID
63104
Category
science
Program ID
114.2714.002
Program Title
UNDERSTANDING MASS TRANSFER IN LONG-PERIOD INTERACTING BINARIES
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
47014
Name
V420 Hya
RA
186.134824
DEC
-28.31549
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 44.6870 44.7260 139.1000 139.2000
A0-J2 106.8840 107.0970 72.1000 72.3000
A0-J6 168.6670 168.6730 5.9790 6.0930
B5-J2 98.4390 98.5600 47.4000 47.6000
B5-J6 201.8860 201.8860 356.6890 356.7840
J2-J6 159.0480 159.1350 328.0560 328.1000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.2714.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60679.3153018178
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V420 Hya
RA 186.134824
DEC -28.31549
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 44.687
HIERARCH ESO ISS PBL12 END 44.726
HIERARCH ESO ISS PBLA12 START 139.1
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 106.884
HIERARCH ESO ISS PBL13 END 107.097
HIERARCH ESO ISS PBLA13 START 72.1
HIERARCH ESO ISS PBLA13 END 72.3
HIERARCH ESO ISS PBL14 START 168.667
HIERARCH ESO ISS PBL14 END 168.673
HIERARCH ESO ISS PBLA14 START 5.979
HIERARCH ESO ISS PBLA14 END 6.093
HIERARCH ESO ISS PBL23 START 98.439
HIERARCH ESO ISS PBL23 END 98.56
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.6
HIERARCH ESO ISS PBL24 START 201.886
HIERARCH ESO ISS PBL24 END 201.886
HIERARCH ESO ISS PBLA24 START 356.689
HIERARCH ESO ISS PBLA24 END 356.784
HIERARCH ESO ISS PBL34 START 159.048
HIERARCH ESO ISS PBL34 END 159.135
HIERARCH ESO ISS PBLA34 START 328.056
HIERARCH ESO ISS PBLA34 END 328.1
HIERARCH ESO ISS AMBI TAU0 START 0.00387
HIERARCH ESO ISS AMBI TAU0 END 0.00387
HIERARCH ESO ISS AMBI TEMP 10.7
HIERARCH ESO ISS AMBI FWHM START 1.21
HIERARCH ESO ISS AMBI FWHM END 1.1