Exposure
ID
GRAVI.2025-01-28T05:32:17.209_1
Header ID
GRAVI.2025-01-28T05:32:17.209
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-01-28 05:45:51 UTC+0000
UTC Start
2025-01-28 05:32:17.209
UTC End
2025-01-28 05:35:29.209
MJD Start
60703.23075473
MJD End
60703.232976952226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0079035
Ambient temperature (°C)
17.16
Seeing (arcsec)
0.72
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 24.7130 24.6840 157.9000 158.5000
A0-D0 28.7320 28.5250 82.6000 83.0000
A0-C1 21.0460 20.9550 131.8400 132.4690
B2-D0 32.8040 32.7280 35.8000 36.1000
B2-C1 10.9280 10.9030 35.8050 36.0270
D0-C1 21.8760 21.8250 215.8660 216.0880
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 60703.23075473
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 24.713
HIERARCH ESO ISS PBL12 END 24.684
HIERARCH ESO ISS PBLA12 START 157.9
HIERARCH ESO ISS PBLA12 END 158.5
HIERARCH ESO ISS PBL13 START 28.732
HIERARCH ESO ISS PBL13 END 28.525
HIERARCH ESO ISS PBLA13 START 82.6
HIERARCH ESO ISS PBLA13 END 83.0
HIERARCH ESO ISS PBL14 START 21.046
HIERARCH ESO ISS PBL14 END 20.955
HIERARCH ESO ISS PBLA14 START 131.84
HIERARCH ESO ISS PBLA14 END 132.469
HIERARCH ESO ISS PBL23 START 32.804
HIERARCH ESO ISS PBL23 END 32.728
HIERARCH ESO ISS PBLA23 START 35.8
HIERARCH ESO ISS PBLA23 END 36.1
HIERARCH ESO ISS PBL24 START 10.928
HIERARCH ESO ISS PBL24 END 10.903
HIERARCH ESO ISS PBLA24 START 35.805
HIERARCH ESO ISS PBLA24 END 36.027
HIERARCH ESO ISS PBL34 START 21.876
HIERARCH ESO ISS PBL34 END 21.825
HIERARCH ESO ISS PBLA34 START 215.866
HIERARCH ESO ISS PBLA34 END 216.088
HIERARCH ESO ISS AMBI TAU0 START 0.008415
HIERARCH ESO ISS AMBI TAU0 END 0.007392
HIERARCH ESO ISS AMBI TEMP 17.16
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.81