Exposure
ID
PIONI.2025-01-06T08:21:31.418_1
Header ID
PIONI.2025-01-06T08:21:31.418
Date updated
2025-01-06 08:30:46 UTC+0000
Release date
2026-01-06 08:30:46 UTC+0000
UTC Start
2025-01-06 08:21:31.418
UTC End
2025-01-06 08:22:09.818
MJD Start
60681.3482802985
MJD End
60681.348724742944
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0062450000000000006
Ambient temperature (°C)
13.8
Seeing (arcsec)
0.5800000000000001
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 46.8700 46.8940 142.4000 142.5000
A0-J2 119.5200 119.6680 80.3000 80.4000
A0-J6 169.2350 169.2440 13.7240 13.8320
B5-J2 106.0120 106.1050 57.3000 57.5000
B5-J6 201.8860 201.8860 3.2870 3.3820
J2-J6 163.9100 163.9640 331.7160 331.7770
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 60681.3482802985
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 46.87
HIERARCH ESO ISS PBL12 END 46.894
HIERARCH ESO ISS PBLA12 START 142.4
HIERARCH ESO ISS PBLA12 END 142.5
HIERARCH ESO ISS PBL13 START 119.52
HIERARCH ESO ISS PBL13 END 119.668
HIERARCH ESO ISS PBLA13 START 80.3
HIERARCH ESO ISS PBLA13 END 80.4
HIERARCH ESO ISS PBL14 START 169.235
HIERARCH ESO ISS PBL14 END 169.244
HIERARCH ESO ISS PBLA14 START 13.724
HIERARCH ESO ISS PBLA14 END 13.832
HIERARCH ESO ISS PBL23 START 106.012
HIERARCH ESO ISS PBL23 END 106.105
HIERARCH ESO ISS PBLA23 START 57.3
HIERARCH ESO ISS PBLA23 END 57.5
HIERARCH ESO ISS PBL24 START 201.886
HIERARCH ESO ISS PBL24 END 201.886
HIERARCH ESO ISS PBLA24 START 3.287
HIERARCH ESO ISS PBLA24 END 3.382
HIERARCH ESO ISS PBL34 START 163.91
HIERARCH ESO ISS PBL34 END 163.964
HIERARCH ESO ISS PBLA34 START 331.716
HIERARCH ESO ISS PBLA34 END 331.777
HIERARCH ESO ISS AMBI TAU0 START 0.006274
HIERARCH ESO ISS AMBI TAU0 END 0.006216
HIERARCH ESO ISS AMBI TEMP 13.8
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.61