Exposure
ID
PIONI.2021-02-14T01:39:00.370_1
Header ID
PIONI.2021-02-14T01:39:00.370
Date updated
2021-09-29 14:26:29 UTC+0000
Release date
2022-02-14 01:50:56 UTC+0000
UTC Start
2021-02-14 01:39:00.370
UTC End
2021-02-14 01:40:17.170
MJD Start
59259.06875428
MJD End
59259.0696431689
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0030275
Ambient temperature (°C)
10.95
Seeing (arcsec)
0.735
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 78.3770 78.5900 93.0000 93.3000
A0-J2 120.1460 120.3560 68.9000 69.2000
A0-J3 132.2750 132.2610 27.9510 28.2350
G1-J2 58.1820 58.1880 35.5000 35.8000
G1-J3 121.9930 122.0250 352.3390 352.5210
J2-J3 88.9760 89.1180 325.7570 325.9170
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 59259.06875428
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 78.377
HIERARCH ESO ISS PBL12 END 78.59
HIERARCH ESO ISS PBLA12 START 93.0
HIERARCH ESO ISS PBLA12 END 93.3
HIERARCH ESO ISS PBL13 START 120.146
HIERARCH ESO ISS PBL13 END 120.356
HIERARCH ESO ISS PBLA13 START 68.9
HIERARCH ESO ISS PBLA13 END 69.2
HIERARCH ESO ISS PBL14 START 132.275
HIERARCH ESO ISS PBL14 END 132.261
HIERARCH ESO ISS PBLA14 START 27.951
HIERARCH ESO ISS PBLA14 END 28.235
HIERARCH ESO ISS PBL23 START 58.182
HIERARCH ESO ISS PBL23 END 58.188
HIERARCH ESO ISS PBLA23 START 35.5
HIERARCH ESO ISS PBLA23 END 35.8
HIERARCH ESO ISS PBL24 START 121.993
HIERARCH ESO ISS PBL24 END 122.025
HIERARCH ESO ISS PBLA24 START 352.339
HIERARCH ESO ISS PBLA24 END 352.521
HIERARCH ESO ISS PBL34 START 88.976
HIERARCH ESO ISS PBL34 END 89.118
HIERARCH ESO ISS PBLA34 START 325.757
HIERARCH ESO ISS PBLA34 END 325.917
HIERARCH ESO ISS AMBI TAU0 START 0.002852
HIERARCH ESO ISS AMBI TAU0 END 0.003203
HIERARCH ESO ISS AMBI TEMP 10.95
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.71