Exposure
ID
PIONI.2024-07-14T22:47:33.784_1
Header ID
PIONI.2024-07-14T22:47:33.784
Date updated
2024-07-14 22:55:35 UTC+0000
Release date
2025-07-14 22:55:35 UTC+0000
UTC Start
2024-07-14 22:47:33.784
UTC End
2024-07-14 22:48:12.184
MJD Start
60505.9496965692
MJD End
60505.9501410136
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002041
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.6
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 34.4250 34.4930 126.5000 126.5000
A0-J2 102.8660 103.0030 45.8000 46.0000
A0-J6 166.8100 166.8160 355.9960 356.1130
B5-J2 103.0480 103.0960 26.5000 26.7000
B5-J6 190.9560 190.9890 348.1140 348.2110
J2-J6 127.4780 127.6570 317.9620 318.0160
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 60505.9496965692
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 34.425
HIERARCH ESO ISS PBL12 END 34.493
HIERARCH ESO ISS PBLA12 START 126.5
HIERARCH ESO ISS PBLA12 END 126.5
HIERARCH ESO ISS PBL13 START 102.866
HIERARCH ESO ISS PBL13 END 103.003
HIERARCH ESO ISS PBLA13 START 45.8
HIERARCH ESO ISS PBLA13 END 46.0
HIERARCH ESO ISS PBL14 START 166.81
HIERARCH ESO ISS PBL14 END 166.816
HIERARCH ESO ISS PBLA14 START 355.996
HIERARCH ESO ISS PBLA14 END 356.113
HIERARCH ESO ISS PBL23 START 103.048
HIERARCH ESO ISS PBL23 END 103.096
HIERARCH ESO ISS PBLA23 START 26.5
HIERARCH ESO ISS PBLA23 END 26.7
HIERARCH ESO ISS PBL24 START 190.956
HIERARCH ESO ISS PBL24 END 190.989
HIERARCH ESO ISS PBLA24 START 348.114
HIERARCH ESO ISS PBLA24 END 348.211
HIERARCH ESO ISS PBL34 START 127.478
HIERARCH ESO ISS PBL34 END 127.657
HIERARCH ESO ISS PBLA34 START 317.962
HIERARCH ESO ISS PBLA34 END 318.016
HIERARCH ESO ISS AMBI TAU0 START 0.002041
HIERARCH ESO ISS AMBI TAU0 END 0.002041
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6