Exposure
ID
PIONI.2025-01-04T07:19:49.179_1
Header ID
PIONI.2025-01-04T07:19:49.179
Date updated
2025-01-04 07:25:34 UTC+0000
Release date
2026-01-04 07:25:34 UTC+0000
UTC Start
2025-01-04 07:19:49.179
UTC End
2025-01-04 07:20:27.579
MJD Start
60679.3054303071
MJD End
60679.30587475154
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004671
Ambient temperature (°C)
10.86
Seeing (arcsec)
0.86
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 43.9650 44.0090 138.5000 138.6000
A0-J2 102.9900 103.2200 69.7000 69.8000
A0-J6 168.5770 168.5820 3.9270 4.0470
B5-J2 96.2650 96.3910 44.5000 44.7000
B5-J6 201.8820 201.8820 355.0050 355.1030
J2-J6 157.4000 157.4990 327.2990 327.3420
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 60679.3054303071
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 43.965
HIERARCH ESO ISS PBL12 END 44.009
HIERARCH ESO ISS PBLA12 START 138.5
HIERARCH ESO ISS PBLA12 END 138.6
HIERARCH ESO ISS PBL13 START 102.99
HIERARCH ESO ISS PBL13 END 103.22
HIERARCH ESO ISS PBLA13 START 69.7
HIERARCH ESO ISS PBLA13 END 69.8
HIERARCH ESO ISS PBL14 START 168.577
HIERARCH ESO ISS PBL14 END 168.582
HIERARCH ESO ISS PBLA14 START 3.927
HIERARCH ESO ISS PBLA14 END 4.047
HIERARCH ESO ISS PBL23 START 96.265
HIERARCH ESO ISS PBL23 END 96.391
HIERARCH ESO ISS PBLA23 START 44.5
HIERARCH ESO ISS PBLA23 END 44.7
HIERARCH ESO ISS PBL24 START 201.882
HIERARCH ESO ISS PBL24 END 201.882
HIERARCH ESO ISS PBLA24 START 355.005
HIERARCH ESO ISS PBLA24 END 355.103
HIERARCH ESO ISS PBL34 START 157.4
HIERARCH ESO ISS PBL34 END 157.499
HIERARCH ESO ISS PBLA34 START 327.299
HIERARCH ESO ISS PBLA34 END 327.342
HIERARCH ESO ISS AMBI TAU0 START 0.004671
HIERARCH ESO ISS AMBI TAU0 END 0.004671
HIERARCH ESO ISS AMBI TEMP 10.86
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86