Exposure
ID
GRAVI.2023-01-16T05:44:32.356_1
Header ID
GRAVI.2023-01-16T05:44:32.356
Date updated
2023-01-16 05:56:31 UTC+0000
Release date
2024-01-16 05:56:31 UTC+0000
UTC Start
2023-01-16 05:44:32.356
UTC End
2023-01-16 05:48:56.356
MJD Start
59960.23926338
MJD End
59960.2423189356
Exposure time (s)
264.0
Validation level
1
Tau 0: Coherence time (s)
0.0108385
Ambient temperature (°C)
11.77
Seeing (arcsec)
0.445
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 24.9970 24.9610 152.5000 153.2000
A0-D0 30.4510 30.2550 79.1000 79.6000
A0-C1 21.8470 21.7510 126.0780 126.8090
B2-D0 33.4080 33.3420 33.3000 33.7000
B2-C1 11.1290 11.1070 33.2880 33.6620
D0-C1 22.2790 22.2350 213.3510 213.7240
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 59960.23926338
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 24.997
HIERARCH ESO ISS PBL12 END 24.961
HIERARCH ESO ISS PBLA12 START 152.5
HIERARCH ESO ISS PBLA12 END 153.2
HIERARCH ESO ISS PBL13 START 30.451
HIERARCH ESO ISS PBL13 END 30.255
HIERARCH ESO ISS PBLA13 START 79.1
HIERARCH ESO ISS PBLA13 END 79.6
HIERARCH ESO ISS PBL14 START 21.847
HIERARCH ESO ISS PBL14 END 21.751
HIERARCH ESO ISS PBLA14 START 126.078
HIERARCH ESO ISS PBLA14 END 126.809
HIERARCH ESO ISS PBL23 START 33.408
HIERARCH ESO ISS PBL23 END 33.342
HIERARCH ESO ISS PBLA23 START 33.3
HIERARCH ESO ISS PBLA23 END 33.7
HIERARCH ESO ISS PBL24 START 11.129
HIERARCH ESO ISS PBL24 END 11.107
HIERARCH ESO ISS PBLA24 START 33.288
HIERARCH ESO ISS PBLA24 END 33.662
HIERARCH ESO ISS PBL34 START 22.279
HIERARCH ESO ISS PBL34 END 22.235
HIERARCH ESO ISS PBLA34 START 213.351
HIERARCH ESO ISS PBLA34 END 213.724
HIERARCH ESO ISS AMBI TAU0 START 0.010513
HIERARCH ESO ISS AMBI TAU0 END 0.011164
HIERARCH ESO ISS AMBI TEMP 11.77
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.45