Exposure
ID
PIONI.2025-01-07T08:10:59.159_1
Header ID
PIONI.2025-01-07T08:10:59.159
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 08:10:59.160
UTC End
2025-01-07 08:11:37.560
MJD Start
60682.3409624947
MJD End
60682.3414069391
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00933
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.63
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 46.6610 46.6870 142.0000 142.0000
A0-J2 118.2530 118.4140 79.4000 79.5000
A0-J6 169.1590 169.1690 12.8250 12.9380
B5-J2 105.2210 105.3210 56.3000 56.4000
B5-J6 201.8870 201.8860 2.5000 2.5990
J2-J6 163.4530 163.5110 331.2210 331.2820
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 60682.3409624947
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 46.661
HIERARCH ESO ISS PBL12 END 46.687
HIERARCH ESO ISS PBLA12 START 142.0
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 118.253
HIERARCH ESO ISS PBL13 END 118.414
HIERARCH ESO ISS PBLA13 START 79.4
HIERARCH ESO ISS PBLA13 END 79.5
HIERARCH ESO ISS PBL14 START 169.159
HIERARCH ESO ISS PBL14 END 169.169
HIERARCH ESO ISS PBLA14 START 12.825
HIERARCH ESO ISS PBLA14 END 12.938
HIERARCH ESO ISS PBL23 START 105.221
HIERARCH ESO ISS PBL23 END 105.321
HIERARCH ESO ISS PBLA23 START 56.3
HIERARCH ESO ISS PBLA23 END 56.4
HIERARCH ESO ISS PBL24 START 201.887
HIERARCH ESO ISS PBL24 END 201.886
HIERARCH ESO ISS PBLA24 START 2.5
HIERARCH ESO ISS PBLA24 END 2.599
HIERARCH ESO ISS PBL34 START 163.453
HIERARCH ESO ISS PBL34 END 163.511
HIERARCH ESO ISS PBLA34 START 331.221
HIERARCH ESO ISS PBLA34 END 331.282
HIERARCH ESO ISS AMBI TAU0 START 0.010386
HIERARCH ESO ISS AMBI TAU0 END 0.008274
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.65