Exposure
ID
PIONI.2024-07-16T01:15:10.448_1
Header ID
PIONI.2024-07-16T01:15:10.448
Date updated
2024-07-16 01:25:42 UTC+0000
Release date
2025-07-16 01:25:42 UTC+0000
UTC Start
2024-07-16 01:15:10.448
UTC End
2024-07-16 01:15:48.848
MJD Start
60507.052204255
MJD End
60507.0526486994
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004533
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.83
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 43.8540 43.8870 141.0000 141.1000
A0-J2 125.5040 125.5800 79.3000 79.5000
A0-J6 164.7850 164.7540 17.8870 18.0080
B5-J2 111.5630 111.5840 59.1000 59.2000
B5-J6 192.2610 192.2430 6.8690 6.9780
J2-J6 152.0650 152.1500 331.4350 331.5300
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 60507.052204255
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 43.854
HIERARCH ESO ISS PBL12 END 43.887
HIERARCH ESO ISS PBLA12 START 141.0
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 125.504
HIERARCH ESO ISS PBL13 END 125.58
HIERARCH ESO ISS PBLA13 START 79.3
HIERARCH ESO ISS PBLA13 END 79.5
HIERARCH ESO ISS PBL14 START 164.785
HIERARCH ESO ISS PBL14 END 164.754
HIERARCH ESO ISS PBLA14 START 17.887
HIERARCH ESO ISS PBLA14 END 18.008
HIERARCH ESO ISS PBL23 START 111.563
HIERARCH ESO ISS PBL23 END 111.584
HIERARCH ESO ISS PBLA23 START 59.1
HIERARCH ESO ISS PBLA23 END 59.2
HIERARCH ESO ISS PBL24 START 192.261
HIERARCH ESO ISS PBL24 END 192.243
HIERARCH ESO ISS PBLA24 START 6.869
HIERARCH ESO ISS PBLA24 END 6.978
HIERARCH ESO ISS PBL34 START 152.065
HIERARCH ESO ISS PBL34 END 152.15
HIERARCH ESO ISS PBLA34 START 331.435
HIERARCH ESO ISS PBLA34 END 331.53
HIERARCH ESO ISS AMBI TAU0 START 0.004533
HIERARCH ESO ISS AMBI TAU0 END 0.004533
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83