Exposure
ID
GRAVI.2023-07-23T00:17:00.415_1
Header ID
GRAVI.2023-07-23T00:17:00.415
Date updated
2023-07-23 00:30:22 UTC+0000
Release date
2024-07-23 00:30:22 UTC+0000
UTC Start
2023-07-23 00:17:00.415
UTC End
2023-07-23 00:22:00.415
MJD Start
60148.01181036
MJD End
60148.01528258222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.003312
Ambient temperature (°C)
16.82
Seeing (arcsec)
0.73
Observation
ID
56378
Category
science
Program ID
111.24J7.001
Program Title
VLTI/GRAVITY HUNT FOR CIRCUMBINARY EXOPLANETARY SYSTEMS
Program Type
GTO
PI / COI
CHAUVIN/ JANSON/ BERGER/ BENISTY/ BONNEFOY/ LAGRANGE/ ROUSSELET-PERRAUT/ LE BOUQUIN/ DELORME/ MILLI/ GALLENNE/ BOURDAROT/ GRATTON/ MÉRAND/ REFFERT/ DESIDERA/ VIGAN/ DESGRANGE/ SQUICCIARINI/ MEYER
Target
ID
41775
Name
b_Cen
RA
220.486947
DEC
-37.79366
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.3410 90.2460 123.6000 124.5000
A0-J2 127.3080 126.8870 101.2000 102.0000
A0-K0 123.8640 123.2610 79.3540 80.1250
G1-J2 55.7730 55.4900 62.9000 63.6000
G1-K0 86.4550 86.1850 32.5350 33.0780
J2-K0 47.6180 47.6290 356.1840 356.7860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24J7.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60148.01181036
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME b Cen
HIERARCH ESO INS SOBJ NAME b_Cen
RA 220.486947
DEC -37.79366
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
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 318.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 30
HIERARCH ESO ISS PBL12 START 90.341
HIERARCH ESO ISS PBL12 END 90.246
HIERARCH ESO ISS PBLA12 START 123.6
HIERARCH ESO ISS PBLA12 END 124.5
HIERARCH ESO ISS PBL13 START 127.308
HIERARCH ESO ISS PBL13 END 126.887
HIERARCH ESO ISS PBLA13 START 101.2
HIERARCH ESO ISS PBLA13 END 102.0
HIERARCH ESO ISS PBL14 START 123.864
HIERARCH ESO ISS PBL14 END 123.261
HIERARCH ESO ISS PBLA14 START 79.354
HIERARCH ESO ISS PBLA14 END 80.125
HIERARCH ESO ISS PBL23 START 55.773
HIERARCH ESO ISS PBL23 END 55.49
HIERARCH ESO ISS PBLA23 START 62.9
HIERARCH ESO ISS PBLA23 END 63.6
HIERARCH ESO ISS PBL24 START 86.455
HIERARCH ESO ISS PBL24 END 86.185
HIERARCH ESO ISS PBLA24 START 32.535
HIERARCH ESO ISS PBLA24 END 33.078
HIERARCH ESO ISS PBL34 START 47.618
HIERARCH ESO ISS PBL34 END 47.629
HIERARCH ESO ISS PBLA34 START 356.184
HIERARCH ESO ISS PBLA34 END 356.786
HIERARCH ESO ISS AMBI TAU0 START 0.003005
HIERARCH ESO ISS AMBI TAU0 END 0.003619
HIERARCH ESO ISS AMBI TEMP 16.82
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.71