Exposure
ID
GRAVI.2023-01-14T06:22:51.579_1
Header ID
GRAVI.2023-01-14T06:22:51.579
Date updated
2023-01-14 06:40:51 UTC+0000
Release date
2024-01-14 06:40:51 UTC+0000
UTC Start
2023-01-14 06:22:51.579
UTC End
2023-01-14 06:27:15.579
MJD Start
59958.26587476
MJD End
59958.2689303156
Exposure time (s)
264.0
Validation level
1
Tau 0: Coherence time (s)
0.002511
Ambient temperature (°C)
10.59
Seeing (arcsec)
1.305
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 24.7640 24.7240 156.9000 157.7000
A0-D0 29.0760 28.8100 82.0000 82.5000
A0-C1 21.1990 21.0800 130.7730 131.6010
B2-D0 32.9290 32.8320 35.4000 35.8000
B2-C1 10.9690 10.9370 35.4070 35.7190
D0-C1 21.9590 21.8950 215.4680 215.7800
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 59958.26587476
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 24.764
HIERARCH ESO ISS PBL12 END 24.724
HIERARCH ESO ISS PBLA12 START 156.9
HIERARCH ESO ISS PBLA12 END 157.7
HIERARCH ESO ISS PBL13 START 29.076
HIERARCH ESO ISS PBL13 END 28.81
HIERARCH ESO ISS PBLA13 START 82.0
HIERARCH ESO ISS PBLA13 END 82.5
HIERARCH ESO ISS PBL14 START 21.199
HIERARCH ESO ISS PBL14 END 21.08
HIERARCH ESO ISS PBLA14 START 130.773
HIERARCH ESO ISS PBLA14 END 131.601
HIERARCH ESO ISS PBL23 START 32.929
HIERARCH ESO ISS PBL23 END 32.832
HIERARCH ESO ISS PBLA23 START 35.4
HIERARCH ESO ISS PBLA23 END 35.8
HIERARCH ESO ISS PBL24 START 10.969
HIERARCH ESO ISS PBL24 END 10.937
HIERARCH ESO ISS PBLA24 START 35.407
HIERARCH ESO ISS PBLA24 END 35.719
HIERARCH ESO ISS PBL34 START 21.959
HIERARCH ESO ISS PBL34 END 21.895
HIERARCH ESO ISS PBLA34 START 215.468
HIERARCH ESO ISS PBLA34 END 215.78
HIERARCH ESO ISS AMBI TAU0 START 0.002364
HIERARCH ESO ISS AMBI TAU0 END 0.002658
HIERARCH ESO ISS AMBI TEMP 10.59
HIERARCH ESO ISS AMBI FWHM START 1.33
HIERARCH ESO ISS AMBI FWHM END 1.28