Exposure
ID
PIONI.2024-07-15T00:04:09.229_1
Header ID
PIONI.2024-07-15T00:04:09.229
Date updated
2024-07-15 00:10:40 UTC+0000
Release date
2025-07-15 00:10:39 UTC+0000
UTC Start
2024-07-15 00:04:09.228
UTC End
2024-07-15 00:04:47.628
MJD Start
60506.0028845854
MJD End
60506.0033290298
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.001786
Ambient temperature (°C)
11.75
Seeing (arcsec)
0.875
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 40.0330 40.0840 133.1000 133.2000
A0-J2 115.9020 116.0300 64.3000 64.5000
A0-J6 166.6020 166.5920 7.2240 7.3430
B5-J2 108.0290 108.0800 44.1000 44.3000
B5-J6 192.7970 192.8040 357.5360 357.6380
J2-J6 142.1950 142.3260 324.0350 324.1090
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 60506.0028845854
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 40.033
HIERARCH ESO ISS PBL12 END 40.084
HIERARCH ESO ISS PBLA12 START 133.1
HIERARCH ESO ISS PBLA12 END 133.2
HIERARCH ESO ISS PBL13 START 115.902
HIERARCH ESO ISS PBL13 END 116.03
HIERARCH ESO ISS PBLA13 START 64.3
HIERARCH ESO ISS PBLA13 END 64.5
HIERARCH ESO ISS PBL14 START 166.602
HIERARCH ESO ISS PBL14 END 166.592
HIERARCH ESO ISS PBLA14 START 7.224
HIERARCH ESO ISS PBLA14 END 7.343
HIERARCH ESO ISS PBL23 START 108.029
HIERARCH ESO ISS PBL23 END 108.08
HIERARCH ESO ISS PBLA23 START 44.1
HIERARCH ESO ISS PBLA23 END 44.3
HIERARCH ESO ISS PBL24 START 192.797
HIERARCH ESO ISS PBL24 END 192.804
HIERARCH ESO ISS PBLA24 START 357.536
HIERARCH ESO ISS PBLA24 END 357.638
HIERARCH ESO ISS PBL34 START 142.195
HIERARCH ESO ISS PBL34 END 142.326
HIERARCH ESO ISS PBLA34 START 324.035
HIERARCH ESO ISS PBLA34 END 324.109
HIERARCH ESO ISS AMBI TAU0 START 0.001757
HIERARCH ESO ISS AMBI TAU0 END 0.001815
HIERARCH ESO ISS AMBI TEMP 11.75
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.83