Exposure
ID
GRAVI.2023-07-23T02:20:54.729_1
Header ID
GRAVI.2023-07-23T02:20:54.729
Date updated
2023-07-23 02:30:21 UTC+0000
Release date
2024-07-23 02:30:21 UTC+0000
UTC Start
2023-07-23 02:20:54.729
UTC End
2023-07-23 02:25:54.729
MJD Start
60148.09785566
MJD End
60148.10132788222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.00189
Ambient temperature (°C)
16.32
Seeing (arcsec)
0.995
Observation
ID
56382
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
41779
Name
HD_121309
RA
209.060491
DEC
-55.90523
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 89.5830 89.5230 159.1000 160.4000
A0-J2 116.5750 116.1410 143.0000 144.4000
A0-K0 98.2910 97.4000 123.2600 124.7200
G1-J2 39.3980 38.8540 103.8000 105.1000
G1-K0 58.4710 57.6910 59.3590 60.0170
J2-K0 41.0060 40.9040 17.0820 17.7340
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 60148.09785566
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 121309
HIERARCH ESO INS SOBJ NAME HD_121309
RA 209.060491
DEC -55.90523
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 89.583
HIERARCH ESO ISS PBL12 END 89.523
HIERARCH ESO ISS PBLA12 START 159.1
HIERARCH ESO ISS PBLA12 END 160.4
HIERARCH ESO ISS PBL13 START 116.575
HIERARCH ESO ISS PBL13 END 116.141
HIERARCH ESO ISS PBLA13 START 143.0
HIERARCH ESO ISS PBLA13 END 144.4
HIERARCH ESO ISS PBL14 START 98.291
HIERARCH ESO ISS PBL14 END 97.4
HIERARCH ESO ISS PBLA14 START 123.26
HIERARCH ESO ISS PBLA14 END 124.72
HIERARCH ESO ISS PBL23 START 39.398
HIERARCH ESO ISS PBL23 END 38.854
HIERARCH ESO ISS PBLA23 START 103.8
HIERARCH ESO ISS PBLA23 END 105.1
HIERARCH ESO ISS PBL24 START 58.471
HIERARCH ESO ISS PBL24 END 57.691
HIERARCH ESO ISS PBLA24 START 59.359
HIERARCH ESO ISS PBLA24 END 60.017
HIERARCH ESO ISS PBL34 START 41.006
HIERARCH ESO ISS PBL34 END 40.904
HIERARCH ESO ISS PBLA34 START 17.082
HIERARCH ESO ISS PBLA34 END 17.734
HIERARCH ESO ISS AMBI TAU0 START 0.001895
HIERARCH ESO ISS AMBI TAU0 END 0.001885
HIERARCH ESO ISS AMBI TEMP 16.32
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 1.04