Exposure
ID
PIONI.2024-07-02T02:57:05.007_1
Header ID
PIONI.2024-07-02T02:57:05.007
Date updated
2024-07-02 03:05:42 UTC+0000
Release date
2025-07-02 03:05:42 UTC+0000
UTC Start
2024-07-02 02:57:05.007
UTC End
2024-07-02 02:58:47.407
MJD Start
60493.1229746225
MJD End
60493.1241598077
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.009401
Ambient temperature (°C)
15.16
Seeing (arcsec)
0.555
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 90.4030 90.4150 138.5000 139.0000
A0-J2 125.9710 125.8660 121.3000 121.8000
A0-K0 114.5270 114.2910 103.1260 103.6020
G1-J2 47.8250 47.6840 87.2000 87.7000
G1-K0 66.3960 66.1930 51.0800 51.3870
J2-K0 39.6030 39.5910 5.6350 5.9110
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 60493.1229746225
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 90.403
HIERARCH ESO ISS PBL12 END 90.415
HIERARCH ESO ISS PBLA12 START 138.5
HIERARCH ESO ISS PBLA12 END 139.0
HIERARCH ESO ISS PBL13 START 125.971
HIERARCH ESO ISS PBL13 END 125.866
HIERARCH ESO ISS PBLA13 START 121.3
HIERARCH ESO ISS PBLA13 END 121.8
HIERARCH ESO ISS PBL14 START 114.527
HIERARCH ESO ISS PBL14 END 114.291
HIERARCH ESO ISS PBLA14 START 103.126
HIERARCH ESO ISS PBLA14 END 103.602
HIERARCH ESO ISS PBL23 START 47.825
HIERARCH ESO ISS PBL23 END 47.684
HIERARCH ESO ISS PBLA23 START 87.2
HIERARCH ESO ISS PBLA23 END 87.7
HIERARCH ESO ISS PBL24 START 66.396
HIERARCH ESO ISS PBL24 END 66.193
HIERARCH ESO ISS PBLA24 START 51.08
HIERARCH ESO ISS PBLA24 END 51.387
HIERARCH ESO ISS PBL34 START 39.603
HIERARCH ESO ISS PBL34 END 39.591
HIERARCH ESO ISS PBLA34 START 5.635
HIERARCH ESO ISS PBLA34 END 5.911
HIERARCH ESO ISS AMBI TAU0 START 0.008924
HIERARCH ESO ISS AMBI TAU0 END 0.009878
HIERARCH ESO ISS AMBI TEMP 15.16
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.52