Exposure
ID
PIONI.2024-07-03T02:14:31.959_1
Header ID
PIONI.2024-07-03T02:14:31.959
Date updated
2024-07-03 02:20:39 UTC+0000
Release date
2025-07-03 02:20:38 UTC+0000
UTC Start
2024-07-03 02:14:31.959
UTC End
2024-07-03 02:15:10.359
MJD Start
60494.0934254541
MJD End
60494.0938698985
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005238
Ambient temperature (°C)
17.61
Seeing (arcsec)
0.805
Observation
ID
59857
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
44412
Name
V636 Sco
RA
260.692057
DEC
-45.61429
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 85.1550 85.2270 103.8000 103.9000
A0-J2 126.2320 126.2980 80.9000 81.0000
A0-K0 127.7080 127.7260 60.6180 60.7650
G1-J2 58.1540 58.1480 46.1000 46.3000
G1-K0 87.6910 87.6730 19.0160 19.1260
J2-K0 44.6380 44.6520 342.6070 342.6920
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 60494.0934254541
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V636 Sco
RA 260.692057
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 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 85.155
HIERARCH ESO ISS PBL12 END 85.227
HIERARCH ESO ISS PBLA12 START 103.8
HIERARCH ESO ISS PBLA12 END 103.9
HIERARCH ESO ISS PBL13 START 126.232
HIERARCH ESO ISS PBL13 END 126.298
HIERARCH ESO ISS PBLA13 START 80.9
HIERARCH ESO ISS PBLA13 END 81.0
HIERARCH ESO ISS PBL14 START 127.708
HIERARCH ESO ISS PBL14 END 127.726
HIERARCH ESO ISS PBLA14 START 60.618
HIERARCH ESO ISS PBLA14 END 60.765
HIERARCH ESO ISS PBL23 START 58.154
HIERARCH ESO ISS PBL23 END 58.148
HIERARCH ESO ISS PBLA23 START 46.1
HIERARCH ESO ISS PBLA23 END 46.3
HIERARCH ESO ISS PBL24 START 87.691
HIERARCH ESO ISS PBL24 END 87.673
HIERARCH ESO ISS PBLA24 START 19.016
HIERARCH ESO ISS PBLA24 END 19.126
HIERARCH ESO ISS PBL34 START 44.638
HIERARCH ESO ISS PBL34 END 44.652
HIERARCH ESO ISS PBLA34 START 342.607
HIERARCH ESO ISS PBLA34 END 342.692
HIERARCH ESO ISS AMBI TAU0 START 0.005335
HIERARCH ESO ISS AMBI TAU0 END 0.005141
HIERARCH ESO ISS AMBI TEMP 17.61
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.88