Exposure
ID
PIONI.2025-01-06T08:02:48.174_1
Header ID
PIONI.2025-01-06T08:02:48.174
Date updated
2025-01-06 08:10:34 UTC+0000
Release date
2026-01-06 08:10:34 UTC+0000
UTC Start
2025-01-06 08:02:48.174
UTC End
2025-01-06 08:03:26.574
MJD Start
60681.3352797921
MJD End
60681.335724236546
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005956
Ambient temperature (°C)
14.03
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 46.2410 46.2710 141.2000 141.2000
A0-J2 115.7470 115.9230 77.7000 77.9000
A0-J6 169.0210 169.0300 11.1570 11.2680
B5-J2 103.6750 103.7830 54.2000 54.4000
B5-J6 201.8870 201.8870 1.0560 1.1510
J2-J6 162.5300 162.5950 330.3540 330.4090
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 60681.3352797921
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 46.241
HIERARCH ESO ISS PBL12 END 46.271
HIERARCH ESO ISS PBLA12 START 141.2
HIERARCH ESO ISS PBLA12 END 141.2
HIERARCH ESO ISS PBL13 START 115.747
HIERARCH ESO ISS PBL13 END 115.923
HIERARCH ESO ISS PBLA13 START 77.7
HIERARCH ESO ISS PBLA13 END 77.9
HIERARCH ESO ISS PBL14 START 169.021
HIERARCH ESO ISS PBL14 END 169.03
HIERARCH ESO ISS PBLA14 START 11.157
HIERARCH ESO ISS PBLA14 END 11.268
HIERARCH ESO ISS PBL23 START 103.675
HIERARCH ESO ISS PBL23 END 103.783
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.4
HIERARCH ESO ISS PBL24 START 201.887
HIERARCH ESO ISS PBL24 END 201.887
HIERARCH ESO ISS PBLA24 START 1.056
HIERARCH ESO ISS PBLA24 END 1.151
HIERARCH ESO ISS PBL34 START 162.53
HIERARCH ESO ISS PBL34 END 162.595
HIERARCH ESO ISS PBLA34 START 330.354
HIERARCH ESO ISS PBLA34 END 330.409
HIERARCH ESO ISS AMBI TAU0 START 0.005956
HIERARCH ESO ISS AMBI TAU0 END 0.005956
HIERARCH ESO ISS AMBI TEMP 14.03
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65