Exposure
ID
PIONI.2024-07-16T02:31:15.061_1
Header ID
PIONI.2024-07-16T02:31:15.061
Date updated
2024-07-16 02:40:48 UTC+0000
Release date
2025-07-16 02:40:48 UTC+0000
UTC Start
2024-07-16 02:31:15.061
UTC End
2024-07-16 02:31:53.461
MJD Start
60507.1050354308
MJD End
60507.1054798752
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007461
Ambient temperature (°C)
14.8
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 46.2420 46.2600 150.2000 150.3000
A0-J2 129.2300 129.2330 93.1000 93.3000
A0-J6 160.4320 160.3670 27.9650 28.0570
B5-J2 111.1170 111.0840 72.7000 72.8000
B5-J6 189.2020 189.1530 16.0390 16.1230
J2-J6 158.1870 158.2350 340.1150 340.2020
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 60507.1050354308
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 46.242
HIERARCH ESO ISS PBL12 END 46.26
HIERARCH ESO ISS PBLA12 START 150.2
HIERARCH ESO ISS PBLA12 END 150.3
HIERARCH ESO ISS PBL13 START 129.23
HIERARCH ESO ISS PBL13 END 129.233
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 160.432
HIERARCH ESO ISS PBL14 END 160.367
HIERARCH ESO ISS PBLA14 START 27.965
HIERARCH ESO ISS PBLA14 END 28.057
HIERARCH ESO ISS PBL23 START 111.117
HIERARCH ESO ISS PBL23 END 111.084
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 189.202
HIERARCH ESO ISS PBL24 END 189.153
HIERARCH ESO ISS PBLA24 START 16.039
HIERARCH ESO ISS PBLA24 END 16.123
HIERARCH ESO ISS PBL34 START 158.187
HIERARCH ESO ISS PBL34 END 158.235
HIERARCH ESO ISS PBLA34 START 340.115
HIERARCH ESO ISS PBLA34 END 340.202
HIERARCH ESO ISS AMBI TAU0 START 0.007461
HIERARCH ESO ISS AMBI TAU0 END 0.007461
HIERARCH ESO ISS AMBI TEMP 14.8
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55