Exposure
ID
GRAVI.2023-01-15T04:52:46.846_1
Header ID
GRAVI.2023-01-15T04:52:46.846
Date updated
2023-01-15 05:06:21 UTC+0000
Release date
2024-01-15 05:06:21 UTC+0000
UTC Start
2023-01-15 04:52:46.846
UTC End
2023-01-15 04:57:10.846
MJD Start
59959.20331998
MJD End
59959.2063755356
Exposure time (s)
264.0
Validation level
1
Tau 0: Coherence time (s)
0.004363
Ambient temperature (°C)
12.85
Seeing (arcsec)
0.875
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 25.2770 25.2640 145.3000 145.9000
A0-D0 31.8450 31.7790 73.6000 74.2000
A0-C1 22.5560 22.5220 118.8100 119.4090
B2-D0 33.8660 33.8440 28.5000 29.0000
B2-C1 11.2810 11.2740 28.4820 28.9660
D0-C1 22.5850 22.5700 208.5450 209.0300
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 59959.20331998
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 25.277
HIERARCH ESO ISS PBL12 END 25.264
HIERARCH ESO ISS PBLA12 START 145.3
HIERARCH ESO ISS PBLA12 END 145.9
HIERARCH ESO ISS PBL13 START 31.845
HIERARCH ESO ISS PBL13 END 31.779
HIERARCH ESO ISS PBLA13 START 73.6
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 22.556
HIERARCH ESO ISS PBL14 END 22.522
HIERARCH ESO ISS PBLA14 START 118.81
HIERARCH ESO ISS PBLA14 END 119.409
HIERARCH ESO ISS PBL23 START 33.866
HIERARCH ESO ISS PBL23 END 33.844
HIERARCH ESO ISS PBLA23 START 28.5
HIERARCH ESO ISS PBLA23 END 29.0
HIERARCH ESO ISS PBL24 START 11.281
HIERARCH ESO ISS PBL24 END 11.274
HIERARCH ESO ISS PBLA24 START 28.482
HIERARCH ESO ISS PBLA24 END 28.966
HIERARCH ESO ISS PBL34 START 22.585
HIERARCH ESO ISS PBL34 END 22.57
HIERARCH ESO ISS PBLA34 START 208.545
HIERARCH ESO ISS PBLA34 END 209.03
HIERARCH ESO ISS AMBI TAU0 START 0.004592
HIERARCH ESO ISS AMBI TAU0 END 0.004134
HIERARCH ESO ISS AMBI TEMP 12.85
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.93