Exposure
ID
PIONI.2024-07-02T23:02:48.806_1
Header ID
PIONI.2024-07-02T23:02:48.806
Date updated
2024-07-02 23:10:48 UTC+0000
Release date
2025-07-02 23:10:48 UTC+0000
UTC Start
2024-07-02 23:02:48.806
UTC End
2024-07-02 23:03:27.206
MJD Start
60493.960287109
MJD End
60493.9607315534
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005227
Ambient temperature (°C)
16.79
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 87.7310 87.7540 120.8000 120.9000
A0-J2 129.1230 129.1160 104.4000 104.6000
A0-K0 121.8070 121.7600 88.7860 88.9780
G1-J2 51.2440 51.2120 75.7000 75.9000
G1-K0 66.3510 66.3000 44.3640 44.5080
J2-K0 34.9250 34.9280 354.6450 354.7680
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 60493.960287109
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 87.731
HIERARCH ESO ISS PBL12 END 87.754
HIERARCH ESO ISS PBLA12 START 120.8
HIERARCH ESO ISS PBLA12 END 120.9
HIERARCH ESO ISS PBL13 START 129.123
HIERARCH ESO ISS PBL13 END 129.116
HIERARCH ESO ISS PBLA13 START 104.4
HIERARCH ESO ISS PBLA13 END 104.6
HIERARCH ESO ISS PBL14 START 121.807
HIERARCH ESO ISS PBL14 END 121.76
HIERARCH ESO ISS PBLA14 START 88.786
HIERARCH ESO ISS PBLA14 END 88.978
HIERARCH ESO ISS PBL23 START 51.244
HIERARCH ESO ISS PBL23 END 51.212
HIERARCH ESO ISS PBLA23 START 75.7
HIERARCH ESO ISS PBLA23 END 75.9
HIERARCH ESO ISS PBL24 START 66.351
HIERARCH ESO ISS PBL24 END 66.3
HIERARCH ESO ISS PBLA24 START 44.364
HIERARCH ESO ISS PBLA24 END 44.508
HIERARCH ESO ISS PBL34 START 34.925
HIERARCH ESO ISS PBL34 END 34.928
HIERARCH ESO ISS PBLA34 START 354.645
HIERARCH ESO ISS PBLA34 END 354.768
HIERARCH ESO ISS AMBI TAU0 START 0.005227
HIERARCH ESO ISS AMBI TAU0 END 0.005227
HIERARCH ESO ISS AMBI TEMP 16.79
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64