Exposure
ID
PIONI.2021-08-15T02:42:23.010_1
Header ID
PIONI.2021-08-15T02:42:23.010
Date updated
2021-08-15 02:51:24 UTC+0000
Release date
2022-08-15 02:51:23 UTC+0000
UTC Start
2021-08-15 02:42:23.010
UTC End
2021-08-15 02:44:05.410
MJD Start
59441.1127663162
MJD End
59441.1139515014
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.002092
Ambient temperature (°C)
8.37
Seeing (arcsec)
1.19
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 89.3270 89.2990 158.1000 158.5000
A0-J2 115.8720 115.6890 141.4000 142.0000
A0-J3 86.2780 85.7600 88.0500 88.4550
G1-J2 39.6340 39.4180 101.3000 101.7000
G1-J3 100.7770 100.5440 31.6420 31.8430
J2-J3 94.5770 94.5440 8.5080 8.7900
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 59441.1127663162
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 89.327
HIERARCH ESO ISS PBL12 END 89.299
HIERARCH ESO ISS PBLA12 START 158.1
HIERARCH ESO ISS PBLA12 END 158.5
HIERARCH ESO ISS PBL13 START 115.872
HIERARCH ESO ISS PBL13 END 115.689
HIERARCH ESO ISS PBLA13 START 141.4
HIERARCH ESO ISS PBLA13 END 142.0
HIERARCH ESO ISS PBL14 START 86.278
HIERARCH ESO ISS PBL14 END 85.76
HIERARCH ESO ISS PBLA14 START 88.05
HIERARCH ESO ISS PBLA14 END 88.455
HIERARCH ESO ISS PBL23 START 39.634
HIERARCH ESO ISS PBL23 END 39.418
HIERARCH ESO ISS PBLA23 START 101.3
HIERARCH ESO ISS PBLA23 END 101.7
HIERARCH ESO ISS PBL24 START 100.777
HIERARCH ESO ISS PBL24 END 100.544
HIERARCH ESO ISS PBLA24 START 31.642
HIERARCH ESO ISS PBLA24 END 31.843
HIERARCH ESO ISS PBL34 START 94.577
HIERARCH ESO ISS PBL34 END 94.544
HIERARCH ESO ISS PBLA34 START 8.508
HIERARCH ESO ISS PBLA34 END 8.79
HIERARCH ESO ISS AMBI TAU0 START 0.002092
HIERARCH ESO ISS AMBI TAU0 END 0.002092
HIERARCH ESO ISS AMBI TEMP 8.37
HIERARCH ESO ISS AMBI FWHM START 1.34
HIERARCH ESO ISS AMBI FWHM END 1.04