Exposure
ID
PIONI.2025-01-07T08:07:38.302_1
Header ID
PIONI.2025-01-07T08:07:38.302
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 08:07:38.302
UTC End
2025-01-07 08:08:16.702
MJD Start
60682.3386377534
MJD End
60682.3390821978
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009769
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.535
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 46.5500 46.5770 141.8000 141.8000
A0-J2 117.5840 117.7490 79.0000 79.1000
A0-J6 169.1210 169.1300 12.3680 12.4790
B5-J2 104.8060 104.9080 55.7000 55.8000
B5-J6 201.8870 201.8870 2.1030 2.1990
J2-J6 163.2090 163.2690 330.9770 331.0350
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 60682.3386377534
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 46.55
HIERARCH ESO ISS PBL12 END 46.577
HIERARCH ESO ISS PBLA12 START 141.8
HIERARCH ESO ISS PBLA12 END 141.8
HIERARCH ESO ISS PBL13 START 117.584
HIERARCH ESO ISS PBL13 END 117.749
HIERARCH ESO ISS PBLA13 START 79.0
HIERARCH ESO ISS PBLA13 END 79.1
HIERARCH ESO ISS PBL14 START 169.121
HIERARCH ESO ISS PBL14 END 169.13
HIERARCH ESO ISS PBLA14 START 12.368
HIERARCH ESO ISS PBLA14 END 12.479
HIERARCH ESO ISS PBL23 START 104.806
HIERARCH ESO ISS PBL23 END 104.908
HIERARCH ESO ISS PBLA23 START 55.7
HIERARCH ESO ISS PBLA23 END 55.8
HIERARCH ESO ISS PBL24 START 201.887
HIERARCH ESO ISS PBL24 END 201.887
HIERARCH ESO ISS PBLA24 START 2.103
HIERARCH ESO ISS PBLA24 END 2.199
HIERARCH ESO ISS PBL34 START 163.209
HIERARCH ESO ISS PBL34 END 163.269
HIERARCH ESO ISS PBLA34 START 330.977
HIERARCH ESO ISS PBLA34 END 331.035
HIERARCH ESO ISS AMBI TAU0 START 0.009637
HIERARCH ESO ISS AMBI TAU0 END 0.009901
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.55