Exposure
ID
GRAVI.2025-01-28T05:24:08.188_1
Header ID
GRAVI.2025-01-28T05:24:08.188
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-01-28 05:35:48 UTC+0000
UTC Start
2025-01-28 05:24:08.188
UTC End
2025-01-28 05:27:20.188
MJD Start
60703.22509477
MJD End
60703.22731699223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007155
Ambient temperature (°C)
17.38
Seeing (arcsec)
0.635
Observation
ID
62194
Category
science
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
46265
Name
VY_CMa
RA
110.740542
DEC
-25.76754
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 24.7780 24.7490 156.7000 157.2000
A0-D0 29.1660 28.9730 81.9000 82.2000
A0-C1 21.2400 21.1530 130.4910 131.0980
B2-D0 32.9600 32.8910 35.3000 35.6000
B2-C1 10.9800 10.9570 35.2960 35.5310
D0-C1 21.9800 21.9340 215.3570 215.5920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60703.22509477
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V VY CMa
HIERARCH ESO INS SOBJ NAME VY_CMa
RA 110.740542
DEC -25.76754
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 24.778
HIERARCH ESO ISS PBL12 END 24.749
HIERARCH ESO ISS PBLA12 START 156.7
HIERARCH ESO ISS PBLA12 END 157.2
HIERARCH ESO ISS PBL13 START 29.166
HIERARCH ESO ISS PBL13 END 28.973
HIERARCH ESO ISS PBLA13 START 81.9
HIERARCH ESO ISS PBLA13 END 82.2
HIERARCH ESO ISS PBL14 START 21.24
HIERARCH ESO ISS PBL14 END 21.153
HIERARCH ESO ISS PBLA14 START 130.491
HIERARCH ESO ISS PBLA14 END 131.098
HIERARCH ESO ISS PBL23 START 32.96
HIERARCH ESO ISS PBL23 END 32.891
HIERARCH ESO ISS PBLA23 START 35.3
HIERARCH ESO ISS PBLA23 END 35.6
HIERARCH ESO ISS PBL24 START 10.98
HIERARCH ESO ISS PBL24 END 10.957
HIERARCH ESO ISS PBLA24 START 35.296
HIERARCH ESO ISS PBLA24 END 35.531
HIERARCH ESO ISS PBL34 START 21.98
HIERARCH ESO ISS PBL34 END 21.934
HIERARCH ESO ISS PBLA34 START 215.357
HIERARCH ESO ISS PBLA34 END 215.592
HIERARCH ESO ISS AMBI TAU0 START 0.005895
HIERARCH ESO ISS AMBI TAU0 END 0.008415
HIERARCH ESO ISS AMBI TEMP 17.38
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.59