Exposure
ID
PIONI.2021-02-12T05:45:49.731_1
Header ID
PIONI.2021-02-12T05:45:49.731
Date updated
2021-09-29 14:26:24 UTC+0000
Release date
2022-02-12 05:56:13 UTC+0000
UTC Start
2021-02-12 05:45:49.731
UTC End
2021-02-12 05:47:32.131
MJD Start
59257.2401589197
MJD End
59257.2413441049
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.0025595
Ambient temperature (°C)
11.46
Seeing (arcsec)
0.735
Observation
ID
46740
Category
science
Program ID
106.210F.001
Program Title
MULTIPLICITY OF GALACTIC CEPHEIDS FROM LONG-BASELINE INTERFEROMETRY
Program Type
Normal
PI / COI
GALLENNE/ KERVELLA/ M\XC3\XA9RAND/ PIETRZYNSKI/ PROFFITT/ EVANS/ GIEREN
Target
ID
35088
Name
XX_Cen
RA
205.076614
DEC
-57.61318
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 70.9770 71.2290 72.5000 73.0000
A0-J2 117.3080 117.5050 50.3000 50.8000
A0-J3 130.9700 130.9440 16.4890 16.8800
G1-J2 58.1970 58.1930 22.8000 23.2000
G1-J3 108.6290 108.7280 343.6880 343.9360
J2-J3 73.2850 73.5350 313.6560 313.8980
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.210F.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59257.2401589197
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME XX_Cen
RA 205.076614
DEC -57.61318
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 70.977
HIERARCH ESO ISS PBL12 END 71.229
HIERARCH ESO ISS PBLA12 START 72.5
HIERARCH ESO ISS PBLA12 END 73.0
HIERARCH ESO ISS PBL13 START 117.308
HIERARCH ESO ISS PBL13 END 117.505
HIERARCH ESO ISS PBLA13 START 50.3
HIERARCH ESO ISS PBLA13 END 50.8
HIERARCH ESO ISS PBL14 START 130.97
HIERARCH ESO ISS PBL14 END 130.944
HIERARCH ESO ISS PBLA14 START 16.489
HIERARCH ESO ISS PBLA14 END 16.88
HIERARCH ESO ISS PBL23 START 58.197
HIERARCH ESO ISS PBL23 END 58.193
HIERARCH ESO ISS PBLA23 START 22.8
HIERARCH ESO ISS PBLA23 END 23.2
HIERARCH ESO ISS PBL24 START 108.629
HIERARCH ESO ISS PBL24 END 108.728
HIERARCH ESO ISS PBLA24 START 343.688
HIERARCH ESO ISS PBLA24 END 343.936
HIERARCH ESO ISS PBL34 START 73.285
HIERARCH ESO ISS PBL34 END 73.535
HIERARCH ESO ISS PBLA34 START 313.656
HIERARCH ESO ISS PBLA34 END 313.898
HIERARCH ESO ISS AMBI TAU0 START 0.002588
HIERARCH ESO ISS AMBI TAU0 END 0.002531
HIERARCH ESO ISS AMBI TEMP 11.46
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.65