Exposure
ID
PIONI.2025-01-07T08:10:08.893_1
Header ID
PIONI.2025-01-07T08:10:08.893
Date updated
2025-01-07 08:15:43 UTC+0000
Release date
2026-01-07 08:15:42 UTC+0000
UTC Start
2025-01-07 08:10:08.894
UTC End
2025-01-07 08:10:47.294
MJD Start
60682.3403807143
MJD End
60682.34082515874
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0099805
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.585
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 46.6340 46.6600 141.9000 142.0000
A0-J2 118.0880 118.2470 79.3000 79.4000
A0-J6 169.1500 169.1590 12.7110 12.8200
B5-J2 105.1190 105.2170 56.1000 56.3000
B5-J6 201.8870 201.8870 2.4010 2.4960
J2-J6 163.3930 163.4510 331.1600 331.2190
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 60682.3403807143
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 46.634
HIERARCH ESO ISS PBL12 END 46.66
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 118.088
HIERARCH ESO ISS PBL13 END 118.247
HIERARCH ESO ISS PBLA13 START 79.3
HIERARCH ESO ISS PBLA13 END 79.4
HIERARCH ESO ISS PBL14 START 169.15
HIERARCH ESO ISS PBL14 END 169.159
HIERARCH ESO ISS PBLA14 START 12.711
HIERARCH ESO ISS PBLA14 END 12.82
HIERARCH ESO ISS PBL23 START 105.119
HIERARCH ESO ISS PBL23 END 105.217
HIERARCH ESO ISS PBLA23 START 56.1
HIERARCH ESO ISS PBLA23 END 56.3
HIERARCH ESO ISS PBL24 START 201.887
HIERARCH ESO ISS PBL24 END 201.887
HIERARCH ESO ISS PBLA24 START 2.401
HIERARCH ESO ISS PBLA24 END 2.496
HIERARCH ESO ISS PBL34 START 163.393
HIERARCH ESO ISS PBL34 END 163.451
HIERARCH ESO ISS PBLA34 START 331.16
HIERARCH ESO ISS PBLA34 END 331.219
HIERARCH ESO ISS AMBI TAU0 START 0.009575
HIERARCH ESO ISS AMBI TAU0 END 0.010386
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.61