Exposure
ID
PIONI.2025-01-07T08:09:18.596_1
Header ID
PIONI.2025-01-07T08:09:18.596
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 08:09:18.596
UTC End
2025-01-07 08:09:56.996
MJD Start
60682.3397985701
MJD End
60682.34024301454
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009738
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.555
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 46.6060 46.6320 141.9000 141.9000
A0-J2 117.9220 118.0820 79.2000 79.3000
A0-J6 169.1400 169.1490 12.5970 12.7070
B5-J2 105.0160 105.1150 56.0000 56.1000
B5-J6 201.8870 201.8870 2.3020 2.3970
J2-J6 163.3330 163.3910 331.0990 331.1570
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 60682.3397985701
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 46.606
HIERARCH ESO ISS PBL12 END 46.632
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 141.9
HIERARCH ESO ISS PBL13 START 117.922
HIERARCH ESO ISS PBL13 END 118.082
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.3
HIERARCH ESO ISS PBL14 START 169.14
HIERARCH ESO ISS PBL14 END 169.149
HIERARCH ESO ISS PBLA14 START 12.597
HIERARCH ESO ISS PBLA14 END 12.707
HIERARCH ESO ISS PBL23 START 105.016
HIERARCH ESO ISS PBL23 END 105.115
HIERARCH ESO ISS PBLA23 START 56.0
HIERARCH ESO ISS PBLA23 END 56.1
HIERARCH ESO ISS PBL24 START 201.887
HIERARCH ESO ISS PBL24 END 201.887
HIERARCH ESO ISS PBLA24 START 2.302
HIERARCH ESO ISS PBLA24 END 2.397
HIERARCH ESO ISS PBL34 START 163.333
HIERARCH ESO ISS PBL34 END 163.391
HIERARCH ESO ISS PBLA34 START 331.099
HIERARCH ESO ISS PBLA34 END 331.157
HIERARCH ESO ISS AMBI TAU0 START 0.009901
HIERARCH ESO ISS AMBI TAU0 END 0.009575
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.56