Exposure
ID
GRAVI.2023-01-16T02:02:41.114_1
Header ID
GRAVI.2023-01-16T02:02:41.114
Date updated
2023-01-16 02:19:10 UTC+0000
Release date
2024-01-16 02:19:10 UTC+0000
UTC Start
2023-01-16 02:02:41.114
UTC End
2023-01-16 02:07:05.114
MJD Start
59960.08519808
MJD End
59960.0882536356
Exposure time (s)
264.0
Validation level
1
Tau 0: Coherence time (s)
0.006362
Ambient temperature (°C)
12.61
Seeing (arcsec)
0.6
Observation
ID
53869
Category
science
Program ID
110.24AB.001
Program Title
EXPLORING THE SURFACE - WIND CONNECTION OF THE RED SUPERGIANTS, BETELGEUSE AND VY CMA
Program Type
Normal
PI / COI
MONTARGES/ CANNON/ LEBRE/ DUPREE/ HUMPHREYS/ LAGADEC/ SCICLUNA/ KERVELLA/ DE KOTER/ LOPEZ ARISTE/ SANCHEZ/ PALADINI/ DECIN/ KRAVCHENKO/ WITTKOWSKI/ NORRIS/ CHIAVASSA/ RIDGWAY/ PERRIN/ HAUBOIS/ CANTALLOUBE/ RAU/ LOPEZ/ JONES
Target
ID
40053
Name
VY_CMa
RA
110.740596
DEC
-25.7676
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.3070 23.4490 131.8000 132.0000
A0-D0 28.3430 28.5710 51.4000 52.3000
A0-C1 19.4780 19.6960 103.2310 103.6260
B2-D0 33.5600 33.5750 8.1000 8.9000
B2-C1 11.1800 11.1850 8.1100 8.8220
D0-C1 22.3800 22.3900 188.1650 188.8780
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24AB.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59960.08519808
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME VY_CMa
HIERARCH ESO INS SOBJ NAME VY_CMa
RA 110.740596
DEC -25.7676
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 300.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 88
HIERARCH ESO ISS PBL12 START 23.307
HIERARCH ESO ISS PBL12 END 23.449
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 132.0
HIERARCH ESO ISS PBL13 START 28.343
HIERARCH ESO ISS PBL13 END 28.571
HIERARCH ESO ISS PBLA13 START 51.4
HIERARCH ESO ISS PBLA13 END 52.3
HIERARCH ESO ISS PBL14 START 19.478
HIERARCH ESO ISS PBL14 END 19.696
HIERARCH ESO ISS PBLA14 START 103.231
HIERARCH ESO ISS PBLA14 END 103.626
HIERARCH ESO ISS PBL23 START 33.56
HIERARCH ESO ISS PBL23 END 33.575
HIERARCH ESO ISS PBLA23 START 8.1
HIERARCH ESO ISS PBLA23 END 8.9
HIERARCH ESO ISS PBL24 START 11.18
HIERARCH ESO ISS PBL24 END 11.185
HIERARCH ESO ISS PBLA24 START 8.11
HIERARCH ESO ISS PBLA24 END 8.822
HIERARCH ESO ISS PBL34 START 22.38
HIERARCH ESO ISS PBL34 END 22.39
HIERARCH ESO ISS PBLA34 START 188.165
HIERARCH ESO ISS PBLA34 END 188.878
HIERARCH ESO ISS AMBI TAU0 START 0.005948
HIERARCH ESO ISS AMBI TAU0 END 0.006776
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.58