Exposure
ID
PIONI.2024-07-02T00:09:45.358_1
Header ID
PIONI.2024-07-02T00:09:45.358
Date updated
2024-07-02 00:16:03 UTC+0000
Release date
2025-07-02 00:16:03 UTC+0000
UTC Start
2024-07-02 00:09:45.358
UTC End
2024-07-02 00:11:02.158
MJD Start
60493.006774982
MJD End
60493.0076638709
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.008727
Ambient temperature (°C)
14.61
Seeing (arcsec)
0.65
Observation
ID
59831
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
44387
Name
Y Car
RA
158.292985
DEC
-58.49862
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 90.1060 90.0950 157.6000 157.9000
A0-J2 119.0610 118.9580 141.8000 142.1000
A0-K0 101.4710 101.2550 122.9670 123.3550
G1-J2 40.6010 40.4680 104.6000 105.0000
G1-K0 57.9790 57.7780 61.0590 61.2570
J2-K0 39.9740 39.9470 16.6440 16.8260
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 60493.006774982
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME Y Car
RA 158.292985
DEC -58.49862
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 76.8
HIERARCH ESO DET DIT 0.0015
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.106
HIERARCH ESO ISS PBL12 END 90.095
HIERARCH ESO ISS PBLA12 START 157.6
HIERARCH ESO ISS PBLA12 END 157.9
HIERARCH ESO ISS PBL13 START 119.061
HIERARCH ESO ISS PBL13 END 118.958
HIERARCH ESO ISS PBLA13 START 141.8
HIERARCH ESO ISS PBLA13 END 142.1
HIERARCH ESO ISS PBL14 START 101.471
HIERARCH ESO ISS PBL14 END 101.255
HIERARCH ESO ISS PBLA14 START 122.967
HIERARCH ESO ISS PBLA14 END 123.355
HIERARCH ESO ISS PBL23 START 40.601
HIERARCH ESO ISS PBL23 END 40.468
HIERARCH ESO ISS PBLA23 START 104.6
HIERARCH ESO ISS PBLA23 END 105.0
HIERARCH ESO ISS PBL24 START 57.979
HIERARCH ESO ISS PBL24 END 57.778
HIERARCH ESO ISS PBLA24 START 61.059
HIERARCH ESO ISS PBLA24 END 61.257
HIERARCH ESO ISS PBL34 START 39.974
HIERARCH ESO ISS PBL34 END 39.947
HIERARCH ESO ISS PBLA34 START 16.644
HIERARCH ESO ISS PBLA34 END 16.826
HIERARCH ESO ISS AMBI TAU0 START 0.008727
HIERARCH ESO ISS AMBI TAU0 END 0.008727
HIERARCH ESO ISS AMBI TEMP 14.61
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65