Exposure
ID
GRAVI.2023-12-24T06:13:45.905_1
Header ID
GRAVI.2023-12-24T06:13:45.905
Date updated
2023-12-24 06:30:42 UTC+0000
Release date
2024-12-24 06:30:41 UTC+0000
UTC Start
2023-12-24 06:13:45.905
UTC End
2023-12-24 06:19:45.905
MJD Start
60302.25955908
MJD End
60302.2637257467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0064375
Ambient temperature (°C)
17.97
Seeing (arcsec)
0.54
Observation
ID
58056
Category
science
Program ID
112.25GE.003
Program Title
INVESTIGATING THE 25 MYR L-T TRANSITION WITH VLTI/GRAVITY OBSERVATIONS OF THE NEW PLANET AF LEP B
Program Type
Normal
PI / COI
BALMER/ PUEYO/ LACOUR/ DE ROSA/ FRANSON/ LAGRANGE/ CHAUVIN/ BONNEFOY/ NOWAK/ MOLLIERE/ NASEDKIN/ WANG/ RICKMAN/ STOLKER/ VIGAN/ BOWLER/ HENNING/ VAN DISHOECK/ POURRÉ/ WINTERHALDER/ BOURDAROT/ BRANDNER
Target
ID
42994
Name
AF_Lep
RA
81.771642
DEC
-11.90121
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.2790 56.1810 35.1000 35.3000
U1-U3 101.1150 100.8020 40.5000 40.6000
U1-U4 119.6710 118.3290 65.8650 65.9120
U2-U3 45.3840 45.1550 47.1000 47.2000
U2-U4 76.8790 75.5790 87.8340 88.1350
U3-U4 51.7930 50.9660 122.7060 123.6450
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25GE.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60302.25955908
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME AF Lep
HIERARCH ESO INS SOBJ NAME AF_Lep
RA 81.771642
DEC -11.90121
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 388.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 56.279
HIERARCH ESO ISS PBL12 END 56.181
HIERARCH ESO ISS PBLA12 START 35.1
HIERARCH ESO ISS PBLA12 END 35.3
HIERARCH ESO ISS PBL13 START 101.115
HIERARCH ESO ISS PBL13 END 100.802
HIERARCH ESO ISS PBLA13 START 40.5
HIERARCH ESO ISS PBLA13 END 40.6
HIERARCH ESO ISS PBL14 START 119.671
HIERARCH ESO ISS PBL14 END 118.329
HIERARCH ESO ISS PBLA14 START 65.865
HIERARCH ESO ISS PBLA14 END 65.912
HIERARCH ESO ISS PBL23 START 45.384
HIERARCH ESO ISS PBL23 END 45.155
HIERARCH ESO ISS PBLA23 START 47.1
HIERARCH ESO ISS PBLA23 END 47.2
HIERARCH ESO ISS PBL24 START 76.879
HIERARCH ESO ISS PBL24 END 75.579
HIERARCH ESO ISS PBLA24 START 87.834
HIERARCH ESO ISS PBLA24 END 88.135
HIERARCH ESO ISS PBL34 START 51.793
HIERARCH ESO ISS PBL34 END 50.966
HIERARCH ESO ISS PBLA34 START 122.706
HIERARCH ESO ISS PBLA34 END 123.645
HIERARCH ESO ISS AMBI TAU0 START 0.00648
HIERARCH ESO ISS AMBI TAU0 END 0.006395
HIERARCH ESO ISS AMBI TEMP 17.97
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.53
HIERARCH ESO FT ROBJ NAME AF_Lep
HIERARCH ESO FT ROBJ ALPHA 052704.763
HIERARCH ESO FT ROBJ DELTA -115403.466