Exposure
ID
PIONI.2021-02-14T00:43:11.897_1
Header ID
PIONI.2021-02-14T00:43:11.897
Date updated
2021-09-29 14:26:29 UTC+0000
Release date
2022-02-14 00:56:09 UTC+0000
UTC Start
2021-02-14 00:43:11.897
UTC End
2021-02-14 00:44:28.697
MJD Start
59259.0299988054
MJD End
59259.0308876943
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.002571
Ambient temperature (°C)
11.02
Seeing (arcsec)
1.48
Observation
ID
46766
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
35113
Name
T_Vel
RA
129.419252
DEC
-47.36195
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 69.8930 70.1620 82.4000 82.7000
A0-J2 111.9060 112.1610 56.4000 56.8000
A0-J3 132.4010 132.4040 17.7570 18.0570
G1-J2 57.7890 57.8030 24.5000 24.9000
G1-J3 120.3430 120.4050 346.1120 346.2870
J2-J3 83.2120 83.3990 320.5480 320.6870
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 59259.0299988054
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME T_Vel
RA 129.419252
DEC -47.36195
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 76.8
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 102400
HIERARCH ESO ISS PBL12 START 69.893
HIERARCH ESO ISS PBL12 END 70.162
HIERARCH ESO ISS PBLA12 START 82.4
HIERARCH ESO ISS PBLA12 END 82.7
HIERARCH ESO ISS PBL13 START 111.906
HIERARCH ESO ISS PBL13 END 112.161
HIERARCH ESO ISS PBLA13 START 56.4
HIERARCH ESO ISS PBLA13 END 56.8
HIERARCH ESO ISS PBL14 START 132.401
HIERARCH ESO ISS PBL14 END 132.404
HIERARCH ESO ISS PBLA14 START 17.757
HIERARCH ESO ISS PBLA14 END 18.057
HIERARCH ESO ISS PBL23 START 57.789
HIERARCH ESO ISS PBL23 END 57.803
HIERARCH ESO ISS PBLA23 START 24.5
HIERARCH ESO ISS PBLA23 END 24.9
HIERARCH ESO ISS PBL24 START 120.343
HIERARCH ESO ISS PBL24 END 120.405
HIERARCH ESO ISS PBLA24 START 346.112
HIERARCH ESO ISS PBLA24 END 346.287
HIERARCH ESO ISS PBL34 START 83.212
HIERARCH ESO ISS PBL34 END 83.399
HIERARCH ESO ISS PBLA34 START 320.548
HIERARCH ESO ISS PBLA34 END 320.687
HIERARCH ESO ISS AMBI TAU0 START 0.002643
HIERARCH ESO ISS AMBI TAU0 END 0.002499
HIERARCH ESO ISS AMBI TEMP 11.02
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.54