Exposure
ID
GRAVI.2023-07-22T23:59:24.371_1
Header ID
GRAVI.2023-07-22T23:59:24.371
Date updated
2023-07-23 00:10:24 UTC+0000
Release date
2024-07-23 00:10:24 UTC+0000
UTC Start
2023-07-22 23:59:24.371
UTC End
2023-07-23 00:04:24.371
MJD Start
60147.99958763
MJD End
60148.00305985222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0038909999999999995
Ambient temperature (°C)
16.98
Seeing (arcsec)
0.61
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 90.5040 90.4800 120.8000 121.7000
A0-J2 128.4120 128.1270 98.4000 99.2000
A0-K0 125.5610 125.0980 76.8040 77.5740
G1-J2 56.5900 56.3620 60.7000 61.4000
G1-K0 87.2630 87.0330 30.6860 31.2530
J2-K0 47.5670 47.5850 354.2060 354.8010
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 60147.99958763
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 90.504
HIERARCH ESO ISS PBL12 END 90.48
HIERARCH ESO ISS PBLA12 START 120.8
HIERARCH ESO ISS PBLA12 END 121.7
HIERARCH ESO ISS PBL13 START 128.412
HIERARCH ESO ISS PBL13 END 128.127
HIERARCH ESO ISS PBLA13 START 98.4
HIERARCH ESO ISS PBLA13 END 99.2
HIERARCH ESO ISS PBL14 START 125.561
HIERARCH ESO ISS PBL14 END 125.098
HIERARCH ESO ISS PBLA14 START 76.804
HIERARCH ESO ISS PBLA14 END 77.574
HIERARCH ESO ISS PBL23 START 56.59
HIERARCH ESO ISS PBL23 END 56.362
HIERARCH ESO ISS PBLA23 START 60.7
HIERARCH ESO ISS PBLA23 END 61.4
HIERARCH ESO ISS PBL24 START 87.263
HIERARCH ESO ISS PBL24 END 87.033
HIERARCH ESO ISS PBLA24 START 30.686
HIERARCH ESO ISS PBLA24 END 31.253
HIERARCH ESO ISS PBL34 START 47.567
HIERARCH ESO ISS PBL34 END 47.585
HIERARCH ESO ISS PBLA34 START 354.206
HIERARCH ESO ISS PBLA34 END 354.801
HIERARCH ESO ISS AMBI TAU0 START 0.003531
HIERARCH ESO ISS AMBI TAU0 END 0.004251
HIERARCH ESO ISS AMBI TEMP 16.98
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.58