Exposure
ID
PIONI.2024-07-16T02:00:49.587_1
Header ID
PIONI.2024-07-16T02:00:49.587
Date updated
2024-07-16 02:10:38 UTC+0000
Release date
2025-07-16 02:10:37 UTC+0000
UTC Start
2024-07-16 02:00:49.587
UTC End
2024-07-16 02:01:27.987
MJD Start
60507.0839072582
MJD End
60507.0843517026
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007461
Ambient temperature (°C)
15.18
Seeing (arcsec)
0.55
Observation
ID
60074
Category
science
Program ID
113.26BT.002
Program Title
MULTIPLICITY OF GALACTIC CEPHEIDS FROM LONG-BASELINE INTERFEROMETRY
Program Type
Normal
PI / COI
GALLENNE / KERVELLA / MÉRAND / PIETRZYNSKI / PROFFITT / EVANS / GIEREN
Target
ID
44586
Name
V636 Sco
RA
260.692855
DEC
-45.61429
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 45.4470 45.4700 146.4000 146.5000
A0-J2 128.5610 128.5930 87.7000 87.8000
A0-J6 162.5540 162.5050 24.0440 24.1490
B5-J2 111.9100 111.9010 67.4000 67.5000
B5-J6 190.7650 190.7300 12.4310 12.5270
J2-J6 156.1520 156.2120 336.5170 336.6100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BT.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60507.0839072582
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V636 Sco
RA 260.692855
DEC -45.61429
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 45.447
HIERARCH ESO ISS PBL12 END 45.47
HIERARCH ESO ISS PBLA12 START 146.4
HIERARCH ESO ISS PBLA12 END 146.5
HIERARCH ESO ISS PBL13 START 128.561
HIERARCH ESO ISS PBL13 END 128.593
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 87.8
HIERARCH ESO ISS PBL14 START 162.554
HIERARCH ESO ISS PBL14 END 162.505
HIERARCH ESO ISS PBLA14 START 24.044
HIERARCH ESO ISS PBLA14 END 24.149
HIERARCH ESO ISS PBL23 START 111.91
HIERARCH ESO ISS PBL23 END 111.901
HIERARCH ESO ISS PBLA23 START 67.4
HIERARCH ESO ISS PBLA23 END 67.5
HIERARCH ESO ISS PBL24 START 190.765
HIERARCH ESO ISS PBL24 END 190.73
HIERARCH ESO ISS PBLA24 START 12.431
HIERARCH ESO ISS PBLA24 END 12.527
HIERARCH ESO ISS PBL34 START 156.152
HIERARCH ESO ISS PBL34 END 156.212
HIERARCH ESO ISS PBLA34 START 336.517
HIERARCH ESO ISS PBLA34 END 336.61
HIERARCH ESO ISS AMBI TAU0 START 0.007461
HIERARCH ESO ISS AMBI TAU0 END 0.007461
HIERARCH ESO ISS AMBI TEMP 15.18
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55