Exposure
ID
PIONI.2024-07-02T03:20:10.048_1
Header ID
PIONI.2024-07-02T03:20:10.048
Date updated
2024-07-02 03:30:39 UTC+0000
Release date
2025-07-02 03:30:39 UTC+0000
UTC Start
2024-07-02 03:20:10.049
UTC End
2024-07-02 03:21:52.449
MJD Start
60493.1390051944
MJD End
60493.1401903796
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.012209
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.52
Observation
ID
59840
Category
science
Program ID
113.26BT.001
Program Title
MULTIPLICITY OF GALACTIC CEPHEIDS FROM LONG-BASELINE INTERFEROMETRY
Program Type
Normal
PI / COI
GALLENNE / KERVELLA / MÉRAND / PIETRZYNSKI / PROFFITT / EVANS / GIEREN
Target
ID
44396
Name
BP Cir
RA
221.67253
DEC
-61.46196
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4940 90.4970 143.5000 144.0000
A0-J2 124.7210 124.6080 126.8000 127.2000
A0-K0 111.7640 111.5170 108.6140 109.0980
G1-J2 46.1730 46.0250 92.3000 92.8000
G1-K0 63.9920 63.7740 54.5690 54.8710
J2-K0 39.4320 39.4140 8.7620 9.0320
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BT.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60493.1390051944
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME BP Cir
RA 221.67253
DEC -61.46196
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 102.4
HIERARCH ESO DET DIT 0.001
HIERARCH ESO DET NDIT 102400
HIERARCH ESO ISS PBL12 START 90.494
HIERARCH ESO ISS PBL12 END 90.497
HIERARCH ESO ISS PBLA12 START 143.5
HIERARCH ESO ISS PBLA12 END 144.0
HIERARCH ESO ISS PBL13 START 124.721
HIERARCH ESO ISS PBL13 END 124.608
HIERARCH ESO ISS PBLA13 START 126.8
HIERARCH ESO ISS PBLA13 END 127.2
HIERARCH ESO ISS PBL14 START 111.764
HIERARCH ESO ISS PBL14 END 111.517
HIERARCH ESO ISS PBLA14 START 108.614
HIERARCH ESO ISS PBLA14 END 109.098
HIERARCH ESO ISS PBL23 START 46.173
HIERARCH ESO ISS PBL23 END 46.025
HIERARCH ESO ISS PBLA23 START 92.3
HIERARCH ESO ISS PBLA23 END 92.8
HIERARCH ESO ISS PBL24 START 63.992
HIERARCH ESO ISS PBL24 END 63.774
HIERARCH ESO ISS PBLA24 START 54.569
HIERARCH ESO ISS PBLA24 END 54.871
HIERARCH ESO ISS PBL34 START 39.432
HIERARCH ESO ISS PBL34 END 39.414
HIERARCH ESO ISS PBLA34 START 8.762
HIERARCH ESO ISS PBLA34 END 9.032
HIERARCH ESO ISS AMBI TAU0 START 0.01064
HIERARCH ESO ISS AMBI TAU0 END 0.013778
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.46