Exposure
ID
PIONI.2024-07-15T00:18:07.226_1
Header ID
PIONI.2024-07-15T00:18:07.226
Date updated
2024-07-15 00:25:44 UTC+0000
Release date
2025-07-15 00:25:44 UTC+0000
UTC Start
2024-07-15 00:18:07.225
UTC End
2024-07-15 00:18:45.625
MJD Start
60506.012583626
MJD End
60506.0130280704
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.001729
Ambient temperature (°C)
11.95
Seeing (arcsec)
0.935
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 40.8670 40.9140 134.4000 134.5000
A0-J2 118.0410 118.1620 67.3000 67.5000
A0-J6 166.4020 166.3880 9.2500 9.3680
B5-J2 108.8790 108.9270 47.1000 47.2000
B5-J6 192.8680 192.8700 359.2800 359.3820
J2-J6 144.3610 144.4820 325.3160 325.3930
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 60506.012583626
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 40.867
HIERARCH ESO ISS PBL12 END 40.914
HIERARCH ESO ISS PBLA12 START 134.4
HIERARCH ESO ISS PBLA12 END 134.5
HIERARCH ESO ISS PBL13 START 118.041
HIERARCH ESO ISS PBL13 END 118.162
HIERARCH ESO ISS PBLA13 START 67.3
HIERARCH ESO ISS PBLA13 END 67.5
HIERARCH ESO ISS PBL14 START 166.402
HIERARCH ESO ISS PBL14 END 166.388
HIERARCH ESO ISS PBLA14 START 9.25
HIERARCH ESO ISS PBLA14 END 9.368
HIERARCH ESO ISS PBL23 START 108.879
HIERARCH ESO ISS PBL23 END 108.927
HIERARCH ESO ISS PBLA23 START 47.1
HIERARCH ESO ISS PBLA23 END 47.2
HIERARCH ESO ISS PBL24 START 192.868
HIERARCH ESO ISS PBL24 END 192.87
HIERARCH ESO ISS PBLA24 START 359.28
HIERARCH ESO ISS PBLA24 END 359.382
HIERARCH ESO ISS PBL34 START 144.361
HIERARCH ESO ISS PBL34 END 144.482
HIERARCH ESO ISS PBLA34 START 325.316
HIERARCH ESO ISS PBLA34 END 325.393
HIERARCH ESO ISS AMBI TAU0 START 0.001729
HIERARCH ESO ISS AMBI TAU0 END 0.001729
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.95