Exposure
ID
PIONI.2021-02-14T01:43:53.900_1
Header ID
PIONI.2021-02-14T01:43:53.900
Date updated
2021-09-29 14:26:29 UTC+0000
Release date
2022-02-14 01:55:52 UTC+0000
UTC Start
2021-02-14 01:43:53.900
UTC End
2021-02-14 01:45:10.700
MJD Start
59259.072151619
MJD End
59259.0730405079
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0031375
Ambient temperature (°C)
10.95
Seeing (arcsec)
0.765
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 79.0240 79.2290 93.8000 94.1000
A0-J2 120.7810 120.9830 69.9000 70.2000
A0-J3 132.2290 132.2130 28.8190 29.0980
G1-J2 58.1990 58.2040 36.4000 36.7000
G1-J3 122.0890 122.1180 352.8970 353.0770
J2-J3 89.4090 89.5470 326.2490 326.4080
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 59259.072151619
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 79.024
HIERARCH ESO ISS PBL12 END 79.229
HIERARCH ESO ISS PBLA12 START 93.8
HIERARCH ESO ISS PBLA12 END 94.1
HIERARCH ESO ISS PBL13 START 120.781
HIERARCH ESO ISS PBL13 END 120.983
HIERARCH ESO ISS PBLA13 START 69.9
HIERARCH ESO ISS PBLA13 END 70.2
HIERARCH ESO ISS PBL14 START 132.229
HIERARCH ESO ISS PBL14 END 132.213
HIERARCH ESO ISS PBLA14 START 28.819
HIERARCH ESO ISS PBLA14 END 29.098
HIERARCH ESO ISS PBL23 START 58.199
HIERARCH ESO ISS PBL23 END 58.204
HIERARCH ESO ISS PBLA23 START 36.4
HIERARCH ESO ISS PBLA23 END 36.7
HIERARCH ESO ISS PBL24 START 122.089
HIERARCH ESO ISS PBL24 END 122.118
HIERARCH ESO ISS PBLA24 START 352.897
HIERARCH ESO ISS PBLA24 END 353.077
HIERARCH ESO ISS PBL34 START 89.409
HIERARCH ESO ISS PBL34 END 89.547
HIERARCH ESO ISS PBLA34 START 326.249
HIERARCH ESO ISS PBLA34 END 326.408
HIERARCH ESO ISS AMBI TAU0 START 0.00323
HIERARCH ESO ISS AMBI TAU0 END 0.003045
HIERARCH ESO ISS AMBI TEMP 10.95
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.77