Exposure
ID
PIONI.2025-01-07T08:22:21.674_1
Header ID
PIONI.2025-01-07T08:22:21.674
Date updated
2025-01-07 08:30:58 UTC+0000
Release date
2026-01-07 08:30:58 UTC+0000
UTC Start
2025-01-07 08:22:21.674
UTC End
2025-01-07 08:23:00.074
MJD Start
60682.3488619686
MJD End
60682.349306413
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009719
Ambient temperature (°C)
14.61
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 47.0130 47.0360 142.8000 142.8000
A0-J2 120.3910 120.5340 81.0000 81.1000
A0-J6 169.2890 169.2980 14.3670 14.4740
B5-J2 106.5600 106.6500 58.1000 58.2000
B5-J6 201.8850 201.8850 3.8540 3.9480
J2-J6 164.2220 164.2730 332.0830 332.1450
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 60682.3488619686
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 47.013
HIERARCH ESO ISS PBL12 END 47.036
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 120.391
HIERARCH ESO ISS PBL13 END 120.534
HIERARCH ESO ISS PBLA13 START 81.0
HIERARCH ESO ISS PBLA13 END 81.1
HIERARCH ESO ISS PBL14 START 169.289
HIERARCH ESO ISS PBL14 END 169.298
HIERARCH ESO ISS PBLA14 START 14.367
HIERARCH ESO ISS PBLA14 END 14.474
HIERARCH ESO ISS PBL23 START 106.56
HIERARCH ESO ISS PBL23 END 106.65
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 201.885
HIERARCH ESO ISS PBL24 END 201.885
HIERARCH ESO ISS PBLA24 START 3.854
HIERARCH ESO ISS PBLA24 END 3.948
HIERARCH ESO ISS PBL34 START 164.222
HIERARCH ESO ISS PBL34 END 164.273
HIERARCH ESO ISS PBLA34 START 332.083
HIERARCH ESO ISS PBLA34 END 332.145
HIERARCH ESO ISS AMBI TAU0 START 0.009767
HIERARCH ESO ISS AMBI TAU0 END 0.009671
HIERARCH ESO ISS AMBI TEMP 14.61
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.57