Exposure
ID
PIONI.2025-01-07T08:24:01.665_1
Header ID
PIONI.2025-01-07T08:24:01.665
Date updated
2025-01-07 08:30:58 UTC+0000
Release date
2026-01-07 08:30:58 UTC+0000
UTC Start
2025-01-07 08:24:01.665
UTC End
2025-01-07 08:24:40.065
MJD Start
60682.3500192682
MJD End
60682.35046371264
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0074115
Ambient temperature (°C)
14.56
Seeing (arcsec)
0.645
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 47.0610 47.0840 142.9000 143.0000
A0-J2 120.6870 120.8270 81.2000 81.3000
A0-J6 169.3070 169.3160 14.5900 14.6970
B5-J2 106.7460 106.8350 58.4000 58.5000
B5-J6 201.8850 201.8840 4.0510 4.1460
J2-J6 164.3270 164.3770 332.2130 332.2750
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 60682.3500192682
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 47.061
HIERARCH ESO ISS PBL12 END 47.084
HIERARCH ESO ISS PBLA12 START 142.9
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 120.687
HIERARCH ESO ISS PBL13 END 120.827
HIERARCH ESO ISS PBLA13 START 81.2
HIERARCH ESO ISS PBLA13 END 81.3
HIERARCH ESO ISS PBL14 START 169.307
HIERARCH ESO ISS PBL14 END 169.316
HIERARCH ESO ISS PBLA14 START 14.59
HIERARCH ESO ISS PBLA14 END 14.697
HIERARCH ESO ISS PBL23 START 106.746
HIERARCH ESO ISS PBL23 END 106.835
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 201.885
HIERARCH ESO ISS PBL24 END 201.884
HIERARCH ESO ISS PBLA24 START 4.051
HIERARCH ESO ISS PBLA24 END 4.146
HIERARCH ESO ISS PBL34 START 164.327
HIERARCH ESO ISS PBL34 END 164.377
HIERARCH ESO ISS PBLA34 START 332.213
HIERARCH ESO ISS PBLA34 END 332.275
HIERARCH ESO ISS AMBI TAU0 START 0.007987
HIERARCH ESO ISS AMBI TAU0 END 0.006836
HIERARCH ESO ISS AMBI TEMP 14.56
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.65