Exposure
ID
PIONI.2021-08-15T01:54:59.405_1
Header ID
PIONI.2021-08-15T01:54:59.405
Date updated
2021-08-15 02:05:49 UTC+0000
Release date
2022-08-15 02:05:49 UTC+0000
UTC Start
2021-08-15 01:54:59.406
UTC End
2021-08-15 01:56:41.806
MJD Start
59441.0798542304
MJD End
59441.0810394156
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.0025275
Ambient temperature (°C)
8.21
Seeing (arcsec)
0.885
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 89.9910 89.9640 147.5000 148.0000
A0-J2 120.2660 120.0790 129.6000 130.1000
A0-J3 97.6000 97.1500 79.1490 79.5090
G1-J2 44.4230 44.2300 90.9000 91.3000
G1-J3 105.6330 105.4490 26.7680 26.9800
J2-J3 95.0440 95.0360 1.9020 2.1820
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 59441.0798542304
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 89.991
HIERARCH ESO ISS PBL12 END 89.964
HIERARCH ESO ISS PBLA12 START 147.5
HIERARCH ESO ISS PBLA12 END 148.0
HIERARCH ESO ISS PBL13 START 120.266
HIERARCH ESO ISS PBL13 END 120.079
HIERARCH ESO ISS PBLA13 START 129.6
HIERARCH ESO ISS PBLA13 END 130.1
HIERARCH ESO ISS PBL14 START 97.6
HIERARCH ESO ISS PBL14 END 97.15
HIERARCH ESO ISS PBLA14 START 79.149
HIERARCH ESO ISS PBLA14 END 79.509
HIERARCH ESO ISS PBL23 START 44.423
HIERARCH ESO ISS PBL23 END 44.23
HIERARCH ESO ISS PBLA23 START 90.9
HIERARCH ESO ISS PBLA23 END 91.3
HIERARCH ESO ISS PBL24 START 105.633
HIERARCH ESO ISS PBL24 END 105.449
HIERARCH ESO ISS PBLA24 START 26.768
HIERARCH ESO ISS PBLA24 END 26.98
HIERARCH ESO ISS PBL34 START 95.044
HIERARCH ESO ISS PBL34 END 95.036
HIERARCH ESO ISS PBLA34 START 1.902
HIERARCH ESO ISS PBLA34 END 2.182
HIERARCH ESO ISS AMBI TAU0 START 0.002705
HIERARCH ESO ISS AMBI TAU0 END 0.00235
HIERARCH ESO ISS AMBI TEMP 8.21
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.91