Exposure
ID
PIONI.2024-07-02T23:46:35.696_1
Header ID
PIONI.2024-07-02T23:46:35.696
Date updated
2024-07-02 23:55:41 UTC+0000
Release date
2025-07-02 23:55:41 UTC+0000
UTC Start
2024-07-02 23:46:35.697
UTC End
2024-07-02 23:47:14.097
MJD Start
60493.9906909335
MJD End
60493.9911353779
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003841
Ambient temperature (°C)
16.43
Seeing (arcsec)
1.24
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 88.7750 88.7910 130.6000 130.8000
A0-J2 128.5570 128.5420 114.9000 115.0000
A0-K0 119.0310 118.9750 99.2050 99.4020
G1-J2 49.3820 49.3450 85.7000 85.9000
G1-K0 63.3110 63.2490 52.2980 52.4470
J2-K0 35.0000 34.9990 1.3940 1.5200
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 60493.9906909335
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 88.775
HIERARCH ESO ISS PBL12 END 88.791
HIERARCH ESO ISS PBLA12 START 130.6
HIERARCH ESO ISS PBLA12 END 130.8
HIERARCH ESO ISS PBL13 START 128.557
HIERARCH ESO ISS PBL13 END 128.542
HIERARCH ESO ISS PBLA13 START 114.9
HIERARCH ESO ISS PBLA13 END 115.0
HIERARCH ESO ISS PBL14 START 119.031
HIERARCH ESO ISS PBL14 END 118.975
HIERARCH ESO ISS PBLA14 START 99.205
HIERARCH ESO ISS PBLA14 END 99.402
HIERARCH ESO ISS PBL23 START 49.382
HIERARCH ESO ISS PBL23 END 49.345
HIERARCH ESO ISS PBLA23 START 85.7
HIERARCH ESO ISS PBLA23 END 85.9
HIERARCH ESO ISS PBL24 START 63.311
HIERARCH ESO ISS PBL24 END 63.249
HIERARCH ESO ISS PBLA24 START 52.298
HIERARCH ESO ISS PBLA24 END 52.447
HIERARCH ESO ISS PBL34 START 35.0
HIERARCH ESO ISS PBL34 END 34.999
HIERARCH ESO ISS PBLA34 START 1.394
HIERARCH ESO ISS PBLA34 END 1.52
HIERARCH ESO ISS AMBI TAU0 START 0.003841
HIERARCH ESO ISS AMBI TAU0 END 0.003841
HIERARCH ESO ISS AMBI TEMP 16.43
HIERARCH ESO ISS AMBI FWHM START 1.24
HIERARCH ESO ISS AMBI FWHM END 1.24