Exposure
ID
GRAVI.2023-05-10T02:19:51.475_1
Header ID
GRAVI.2023-05-10T02:19:51.475
Date updated
2023-05-23 13:30:24 UTC+0000
Release date
2024-05-23 13:02:02 UTC+0000
UTC Start
2023-05-10 02:19:51.475
UTC End
2023-05-10 02:20:20.275
MJD Start
60074.09712355
MJD End
60074.0974568833
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.009299
Ambient temperature (°C)
15.05
Seeing (arcsec)
0.725
Observation
ID
55559
Category
science
Program ID
1104.C-0651(G)
Program Title
AN INTERFEROMETRIC SURVEY OF THE DYNAMICS AND CHEMICAL COMPOSITION OF DIRECTLY IMAGED EXOPLANETS
Program Type
DDT
PI / COI
LACOUR/ NOWAK/ WANG/ MOLLI`ERE/ CHOQUET/ PUEYO/ GREENBAUM/ WARD-DUONG/ BONNEFOY/ RAMEAU/ CHARNAY/ BOCCALETTI/ PETRUS/ BERGER/ LE BOUQUIN/ MONNIER/ GARDNER/ BENISTY/ GIRARD/ PALADINI/ MULLER/ KEPPLER/ LAGRANGE/ MOUILLET/ PERRIN/ KERVELLA/ ...
Target
ID
40989
Name
HD91881
RA
159.021474
DEC
-26.67543
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 53.9490 53.9160 36.8000 36.9000
U1-U3 96.2630 96.1850 43.0000 43.0000
U1-U4 114.9550 114.7640 72.4840 72.5490
U2-U3 43.0140 42.9680 50.7000 50.7000
U2-U4 77.7580 77.6150 96.3350 96.4410
U3-U4 56.7400 56.6740 129.1510 129.3000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 1104.C-0651(G)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60074.09712355
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD91881
HIERARCH ESO INS SOBJ NAME HD91881
RA 159.021474
DEC -26.67543
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 55.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 96
HIERARCH ESO ISS PBL12 START 53.949
HIERARCH ESO ISS PBL12 END 53.916
HIERARCH ESO ISS PBLA12 START 36.8
HIERARCH ESO ISS PBLA12 END 36.9
HIERARCH ESO ISS PBL13 START 96.263
HIERARCH ESO ISS PBL13 END 96.185
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 114.955
HIERARCH ESO ISS PBL14 END 114.764
HIERARCH ESO ISS PBLA14 START 72.484
HIERARCH ESO ISS PBLA14 END 72.549
HIERARCH ESO ISS PBL23 START 43.014
HIERARCH ESO ISS PBL23 END 42.968
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.7
HIERARCH ESO ISS PBL24 START 77.758
HIERARCH ESO ISS PBL24 END 77.615
HIERARCH ESO ISS PBLA24 START 96.335
HIERARCH ESO ISS PBLA24 END 96.441
HIERARCH ESO ISS PBL34 START 56.74
HIERARCH ESO ISS PBL34 END 56.674
HIERARCH ESO ISS PBLA34 START 129.151
HIERARCH ESO ISS PBLA34 END 129.3
HIERARCH ESO ISS AMBI TAU0 START 0.008674
HIERARCH ESO ISS AMBI TAU0 END 0.009924
HIERARCH ESO ISS AMBI TEMP 15.05
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.67
HIERARCH ESO FT ROBJ NAME HD91881B
HIERARCH ESO FT ROBJ ALPHA 103604.4241
HIERARCH ESO FT ROBJ DELTA -264031.0340