Exposure
ID
PIONI.2021-02-14T02:03:34.611_1
Header ID
PIONI.2021-02-14T02:03:34.611
Date updated
2021-09-29 14:26:29 UTC+0000
Release date
2022-02-14 02:16:07 UTC+0000
UTC Start
2021-02-14 02:03:34.611
UTC End
2021-02-14 02:04:51.411
MJD Start
59259.0858172551
MJD End
59259.086706144
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.005713
Ambient temperature (°C)
10.96
Seeing (arcsec)
0.48
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 81.4470 81.6290 97.3000 97.6000
A0-J2 123.1390 123.3150 73.9000 74.2000
A0-J3 131.9610 131.9330 32.2550 32.5280
G1-J2 58.2280 58.2270 40.1000 40.4000
G1-J3 122.3980 122.4170 355.1490 355.3310
J2-J3 91.0370 91.1600 328.2750 328.4410
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 59259.0858172551
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 81.447
HIERARCH ESO ISS PBL12 END 81.629
HIERARCH ESO ISS PBLA12 START 97.3
HIERARCH ESO ISS PBLA12 END 97.6
HIERARCH ESO ISS PBL13 START 123.139
HIERARCH ESO ISS PBL13 END 123.315
HIERARCH ESO ISS PBLA13 START 73.9
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 131.961
HIERARCH ESO ISS PBL14 END 131.933
HIERARCH ESO ISS PBLA14 START 32.255
HIERARCH ESO ISS PBLA14 END 32.528
HIERARCH ESO ISS PBL23 START 58.228
HIERARCH ESO ISS PBL23 END 58.227
HIERARCH ESO ISS PBLA23 START 40.1
HIERARCH ESO ISS PBLA23 END 40.4
HIERARCH ESO ISS PBL24 START 122.398
HIERARCH ESO ISS PBL24 END 122.417
HIERARCH ESO ISS PBLA24 START 355.149
HIERARCH ESO ISS PBLA24 END 355.331
HIERARCH ESO ISS PBL34 START 91.037
HIERARCH ESO ISS PBL34 END 91.16
HIERARCH ESO ISS PBLA34 START 328.275
HIERARCH ESO ISS PBLA34 END 328.441
HIERARCH ESO ISS AMBI TAU0 START 0.005609
HIERARCH ESO ISS AMBI TAU0 END 0.005817
HIERARCH ESO ISS AMBI TEMP 10.96
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.47