Exposure
ID
PIONI.2021-08-15T02:16:23.954_1
Header ID
PIONI.2021-08-15T02:16:23.954
Date updated
2021-08-15 02:25:55 UTC+0000
Release date
2022-08-15 02:25:55 UTC+0000
UTC Start
2021-08-15 02:16:23.954
UTC End
2021-08-15 02:18:06.354
MJD Start
59441.0947216931
MJD End
59441.0959068783
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.0022975
Ambient temperature (°C)
8.31
Seeing (arcsec)
0.955
Observation
ID
47822
Category
science
Program ID
105.207E.001
Program Title
MULTIPLICITY OF GALACTIC CEPHEIDS FROM LONG-BASELINE INTERFEROMETRY
Program Type
Normal
PI / COI
GALLENNE/ KERVELLA/ MERAND/ EVANS/ PROFFITT/ PIETRZYNSKI/ GIEREN
Target
ID
35109
Name
SY_Nor
RA
238.677418
DEC
-54.56644
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.6960 89.6670 152.2000 152.7000
A0-J2 118.2710 118.0810 134.8000 135.3000
A0-J3 92.6730 92.1890 83.0590 83.4390
G1-J2 42.3230 42.1180 95.4000 95.8000
G1-J3 103.5750 103.3680 29.0130 29.2230
J2-J3 94.9070 94.8880 4.8930 5.1770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.207E.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59441.0947216931
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME SY_Nor
RA 238.677418
DEC -54.56644
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 102.4
HIERARCH ESO DET DIT 0.001
HIERARCH ESO DET NDIT 102400
HIERARCH ESO ISS PBL12 START 89.696
HIERARCH ESO ISS PBL12 END 89.667
HIERARCH ESO ISS PBLA12 START 152.2
HIERARCH ESO ISS PBLA12 END 152.7
HIERARCH ESO ISS PBL13 START 118.271
HIERARCH ESO ISS PBL13 END 118.081
HIERARCH ESO ISS PBLA13 START 134.8
HIERARCH ESO ISS PBLA13 END 135.3
HIERARCH ESO ISS PBL14 START 92.673
HIERARCH ESO ISS PBL14 END 92.189
HIERARCH ESO ISS PBLA14 START 83.059
HIERARCH ESO ISS PBLA14 END 83.439
HIERARCH ESO ISS PBL23 START 42.323
HIERARCH ESO ISS PBL23 END 42.118
HIERARCH ESO ISS PBLA23 START 95.4
HIERARCH ESO ISS PBLA23 END 95.8
HIERARCH ESO ISS PBL24 START 103.575
HIERARCH ESO ISS PBL24 END 103.368
HIERARCH ESO ISS PBLA24 START 29.013
HIERARCH ESO ISS PBLA24 END 29.223
HIERARCH ESO ISS PBL34 START 94.907
HIERARCH ESO ISS PBL34 END 94.888
HIERARCH ESO ISS PBLA34 START 4.893
HIERARCH ESO ISS PBLA34 END 5.177
HIERARCH ESO ISS AMBI TAU0 START 0.002166
HIERARCH ESO ISS AMBI TAU0 END 0.002429
HIERARCH ESO ISS AMBI TEMP 8.31
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 1.0