Exposure
ID
PIONI.2025-01-06T08:01:07.799_1
Header ID
PIONI.2025-01-06T08:01:07.799
Date updated
2025-01-06 08:05:32 UTC+0000
Release date
2026-01-06 08:05:31 UTC+0000
UTC Start
2025-01-06 08:01:07.799
UTC End
2025-01-06 08:01:46.199
MJD Start
60681.3341180412
MJD End
60681.334562485645
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005956
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.65
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 46.1800 46.2100 141.1000 141.1000
A0-J2 115.3850 115.5620 77.5000 77.6000
A0-J6 169.0030 169.0120 10.9260 11.0370
B5-J2 103.4540 103.5620 53.9000 54.1000
B5-J6 201.8870 201.8870 0.8570 0.9520
J2-J6 162.3940 162.4610 330.2390 330.2930
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 60681.3341180412
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 46.18
HIERARCH ESO ISS PBL12 END 46.21
HIERARCH ESO ISS PBLA12 START 141.1
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 115.385
HIERARCH ESO ISS PBL13 END 115.562
HIERARCH ESO ISS PBLA13 START 77.5
HIERARCH ESO ISS PBLA13 END 77.6
HIERARCH ESO ISS PBL14 START 169.003
HIERARCH ESO ISS PBL14 END 169.012
HIERARCH ESO ISS PBLA14 START 10.926
HIERARCH ESO ISS PBLA14 END 11.037
HIERARCH ESO ISS PBL23 START 103.454
HIERARCH ESO ISS PBL23 END 103.562
HIERARCH ESO ISS PBLA23 START 53.9
HIERARCH ESO ISS PBLA23 END 54.1
HIERARCH ESO ISS PBL24 START 201.887
HIERARCH ESO ISS PBL24 END 201.887
HIERARCH ESO ISS PBLA24 START 0.857
HIERARCH ESO ISS PBLA24 END 0.952
HIERARCH ESO ISS PBL34 START 162.394
HIERARCH ESO ISS PBL34 END 162.461
HIERARCH ESO ISS PBLA34 START 330.239
HIERARCH ESO ISS PBLA34 END 330.293
HIERARCH ESO ISS AMBI TAU0 START 0.005956
HIERARCH ESO ISS AMBI TAU0 END 0.005956
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65