Exposure
ID
PIONI.2024-07-16T03:35:25.558_1
Header ID
PIONI.2024-07-16T03:35:25.558
Date updated
2024-07-16 03:45:39 UTC+0000
Release date
2025-07-16 03:45:39 UTC+0000
UTC Start
2024-07-16 03:35:25.557
UTC End
2024-07-16 03:36:03.957
MJD Start
60507.149601358
MJD End
60507.1500458024
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0093795
Ambient temperature (°C)
14.84
Seeing (arcsec)
0.52
Observation
ID
60116
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
44628
Name
HIP86796
RA
266.035223
DEC
-51.8351
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 45.6100 45.6250 155.1000 155.2000
A0-J2 128.5990 128.5710 101.5000 101.7000
A0-J6 149.8670 149.7680 34.8030 34.9070
B5-J2 107.9600 107.8960 81.6000 81.8000
B5-J6 177.3050 177.2270 21.9710 22.0660
J2-J6 154.1250 154.1630 344.7740 344.8800
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 60507.149601358
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP86796
RA 266.035223
DEC -51.8351
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 45.61
HIERARCH ESO ISS PBL12 END 45.625
HIERARCH ESO ISS PBLA12 START 155.1
HIERARCH ESO ISS PBLA12 END 155.2
HIERARCH ESO ISS PBL13 START 128.599
HIERARCH ESO ISS PBL13 END 128.571
HIERARCH ESO ISS PBLA13 START 101.5
HIERARCH ESO ISS PBLA13 END 101.7
HIERARCH ESO ISS PBL14 START 149.867
HIERARCH ESO ISS PBL14 END 149.768
HIERARCH ESO ISS PBLA14 START 34.803
HIERARCH ESO ISS PBLA14 END 34.907
HIERARCH ESO ISS PBL23 START 107.96
HIERARCH ESO ISS PBL23 END 107.896
HIERARCH ESO ISS PBLA23 START 81.6
HIERARCH ESO ISS PBLA23 END 81.8
HIERARCH ESO ISS PBL24 START 177.305
HIERARCH ESO ISS PBL24 END 177.227
HIERARCH ESO ISS PBLA24 START 21.971
HIERARCH ESO ISS PBLA24 END 22.066
HIERARCH ESO ISS PBL34 START 154.125
HIERARCH ESO ISS PBL34 END 154.163
HIERARCH ESO ISS PBLA34 START 344.774
HIERARCH ESO ISS PBLA34 END 344.88
HIERARCH ESO ISS AMBI TAU0 START 0.009455
HIERARCH ESO ISS AMBI TAU0 END 0.009304
HIERARCH ESO ISS AMBI TEMP 14.84
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.51