Exposure
ID
PIONI.2024-07-14T22:45:03.284_1
Header ID
PIONI.2024-07-14T22:45:03.284
Date updated
2024-07-14 22:50:32 UTC+0000
Release date
2025-07-14 22:50:32 UTC+0000
UTC Start
2024-07-14 22:45:03.284
UTC End
2024-07-14 22:45:41.684
MJD Start
60505.947954678
MJD End
60505.9483991224
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002041
Ambient temperature (°C)
12.57
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 34.2120 34.2810 126.3000 126.3000
A0-J2 102.4350 102.5740 45.1000 45.3000
A0-J6 166.7930 166.7990 355.6270 355.7470
B5-J2 102.8980 102.9470 25.9000 26.1000
B5-J6 190.8500 190.8850 347.8120 347.9100
J2-J6 126.9110 127.0960 317.7930 317.8470
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 60505.947954678
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 34.212
HIERARCH ESO ISS PBL12 END 34.281
HIERARCH ESO ISS PBLA12 START 126.3
HIERARCH ESO ISS PBLA12 END 126.3
HIERARCH ESO ISS PBL13 START 102.435
HIERARCH ESO ISS PBL13 END 102.574
HIERARCH ESO ISS PBLA13 START 45.1
HIERARCH ESO ISS PBLA13 END 45.3
HIERARCH ESO ISS PBL14 START 166.793
HIERARCH ESO ISS PBL14 END 166.799
HIERARCH ESO ISS PBLA14 START 355.627
HIERARCH ESO ISS PBLA14 END 355.747
HIERARCH ESO ISS PBL23 START 102.898
HIERARCH ESO ISS PBL23 END 102.947
HIERARCH ESO ISS PBLA23 START 25.9
HIERARCH ESO ISS PBLA23 END 26.1
HIERARCH ESO ISS PBL24 START 190.85
HIERARCH ESO ISS PBL24 END 190.885
HIERARCH ESO ISS PBLA24 START 347.812
HIERARCH ESO ISS PBLA24 END 347.91
HIERARCH ESO ISS PBL34 START 126.911
HIERARCH ESO ISS PBL34 END 127.096
HIERARCH ESO ISS PBLA34 START 317.793
HIERARCH ESO ISS PBLA34 END 317.847
HIERARCH ESO ISS AMBI TAU0 START 0.002041
HIERARCH ESO ISS AMBI TAU0 END 0.002041
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.58