Exposure
ID
PIONI.2024-07-02T22:59:28.320_1
Header ID
PIONI.2024-07-02T22:59:28.320
Date updated
2024-07-02 23:05:43 UTC+0000
Release date
2025-07-02 23:05:42 UTC+0000
UTC Start
2024-07-02 22:59:28.320
UTC End
2024-07-02 23:00:06.720
MJD Start
60493.9579666713
MJD End
60493.9584111157
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005227
Ambient temperature (°C)
16.85
Seeing (arcsec)
0.64
Observation
ID
59835
Category
science
Program ID
113.26BT.001
Program Title
MULTIPLICITY OF GALACTIC CEPHEIDS FROM LONG-BASELINE INTERFEROMETRY
Program Type
Normal
PI / COI
GALLENNE / KERVELLA / MÉRAND / PIETRZYNSKI / PROFFITT / EVANS / GIEREN
Target
ID
44391
Name
S Mus
RA
183.192519
DEC
-70.1518
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.6360 87.6590 120.0000 120.2000
A0-J2 129.1470 129.1410 103.6000 103.8000
A0-K0 121.9990 121.9520 88.0020 88.1940
G1-J2 51.3750 51.3430 74.9000 75.1000
G1-K0 66.5620 66.5110 43.7620 43.9090
J2-K0 34.9080 34.9130 354.1280 354.2540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BT.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60493.9579666713
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME S Mus
RA 183.192519
DEC -70.1518
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 K0
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 87.636
HIERARCH ESO ISS PBL12 END 87.659
HIERARCH ESO ISS PBLA12 START 120.0
HIERARCH ESO ISS PBLA12 END 120.2
HIERARCH ESO ISS PBL13 START 129.147
HIERARCH ESO ISS PBL13 END 129.141
HIERARCH ESO ISS PBLA13 START 103.6
HIERARCH ESO ISS PBLA13 END 103.8
HIERARCH ESO ISS PBL14 START 121.999
HIERARCH ESO ISS PBL14 END 121.952
HIERARCH ESO ISS PBLA14 START 88.002
HIERARCH ESO ISS PBLA14 END 88.194
HIERARCH ESO ISS PBL23 START 51.375
HIERARCH ESO ISS PBL23 END 51.343
HIERARCH ESO ISS PBLA23 START 74.9
HIERARCH ESO ISS PBLA23 END 75.1
HIERARCH ESO ISS PBL24 START 66.562
HIERARCH ESO ISS PBL24 END 66.511
HIERARCH ESO ISS PBLA24 START 43.762
HIERARCH ESO ISS PBLA24 END 43.909
HIERARCH ESO ISS PBL34 START 34.908
HIERARCH ESO ISS PBL34 END 34.913
HIERARCH ESO ISS PBLA34 START 354.128
HIERARCH ESO ISS PBLA34 END 354.254
HIERARCH ESO ISS AMBI TAU0 START 0.005227
HIERARCH ESO ISS AMBI TAU0 END 0.005227
HIERARCH ESO ISS AMBI TEMP 16.85
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64