Exposure
ID
PIONI.2021-02-14T01:03:57.227_1
Header ID
PIONI.2021-02-14T01:03:57.227
Date updated
2021-09-29 14:26:29 UTC+0000
Release date
2022-02-14 01:16:13 UTC+0000
UTC Start
2021-02-14 01:03:57.227
UTC End
2021-02-14 01:05:14.027
MJD Start
59259.0444123512
MJD End
59259.0453012401
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.003538
Ambient temperature (°C)
11.27
Seeing (arcsec)
0.96
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 73.2740 73.5240 86.5000 86.8000
A0-J2 115.1470 115.3900 61.3000 61.6000
A0-J3 132.4200 132.4190 21.6110 21.9060
G1-J2 57.9640 57.9760 28.7000 29.0000
G1-J3 121.0810 121.1310 348.3970 348.5750
J2-J3 85.5370 85.7070 322.3980 322.5450
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 59259.0444123512
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 73.274
HIERARCH ESO ISS PBL12 END 73.524
HIERARCH ESO ISS PBLA12 START 86.5
HIERARCH ESO ISS PBLA12 END 86.8
HIERARCH ESO ISS PBL13 START 115.147
HIERARCH ESO ISS PBL13 END 115.39
HIERARCH ESO ISS PBLA13 START 61.3
HIERARCH ESO ISS PBLA13 END 61.6
HIERARCH ESO ISS PBL14 START 132.42
HIERARCH ESO ISS PBL14 END 132.419
HIERARCH ESO ISS PBLA14 START 21.611
HIERARCH ESO ISS PBLA14 END 21.906
HIERARCH ESO ISS PBL23 START 57.964
HIERARCH ESO ISS PBL23 END 57.976
HIERARCH ESO ISS PBLA23 START 28.7
HIERARCH ESO ISS PBLA23 END 29.0
HIERARCH ESO ISS PBL24 START 121.081
HIERARCH ESO ISS PBL24 END 121.131
HIERARCH ESO ISS PBLA24 START 348.397
HIERARCH ESO ISS PBLA24 END 348.575
HIERARCH ESO ISS PBL34 START 85.537
HIERARCH ESO ISS PBL34 END 85.707
HIERARCH ESO ISS PBLA34 START 322.398
HIERARCH ESO ISS PBLA34 END 322.545
HIERARCH ESO ISS AMBI TAU0 START 0.003553
HIERARCH ESO ISS AMBI TAU0 END 0.003523
HIERARCH ESO ISS AMBI TEMP 11.27
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.97