Exposure
ID
GRAVI.2023-12-24T04:00:45.567_1
Header ID
GRAVI.2023-12-24T04:00:45.567
Date updated
2023-12-24 04:15:42 UTC+0000
Release date
2024-12-24 04:15:42 UTC+0000
UTC Start
2023-12-24 04:00:45.567
UTC End
2023-12-24 04:06:45.567
MJD Start
60302.16719406
MJD End
60302.1713607267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0101445
Ambient temperature (°C)
17.47
Seeing (arcsec)
0.375
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 55.4500 55.5870 26.6000 27.3000
U1-U3 100.6670 100.9470 33.1000 33.6000
U1-U4 129.4670 129.7690 61.0480 61.4590
U2-U3 45.9850 46.1200 40.8000 41.3000
U2-U4 89.3870 89.4290 81.5670 81.9080
U3-U4 62.2660 62.1130 110.3900 110.7810
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 60302.16719406
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 55.45
HIERARCH ESO ISS PBL12 END 55.587
HIERARCH ESO ISS PBLA12 START 26.6
HIERARCH ESO ISS PBLA12 END 27.3
HIERARCH ESO ISS PBL13 START 100.667
HIERARCH ESO ISS PBL13 END 100.947
HIERARCH ESO ISS PBLA13 START 33.1
HIERARCH ESO ISS PBLA13 END 33.6
HIERARCH ESO ISS PBL14 START 129.467
HIERARCH ESO ISS PBL14 END 129.769
HIERARCH ESO ISS PBLA14 START 61.048
HIERARCH ESO ISS PBLA14 END 61.459
HIERARCH ESO ISS PBL23 START 45.985
HIERARCH ESO ISS PBL23 END 46.12
HIERARCH ESO ISS PBLA23 START 40.8
HIERARCH ESO ISS PBLA23 END 41.3
HIERARCH ESO ISS PBL24 START 89.387
HIERARCH ESO ISS PBL24 END 89.429
HIERARCH ESO ISS PBLA24 START 81.567
HIERARCH ESO ISS PBLA24 END 81.908
HIERARCH ESO ISS PBL34 START 62.266
HIERARCH ESO ISS PBL34 END 62.113
HIERARCH ESO ISS PBLA34 START 110.39
HIERARCH ESO ISS PBLA34 END 110.781
HIERARCH ESO ISS AMBI TAU0 START 0.010669
HIERARCH ESO ISS AMBI TAU0 END 0.00962
HIERARCH ESO ISS AMBI TEMP 17.47
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.38
HIERARCH ESO FT ROBJ NAME AF_Lep
HIERARCH ESO FT ROBJ ALPHA 052704.763
HIERARCH ESO FT ROBJ DELTA -115403.466