Exposure
ID
GRAVI.2024-12-03T04:08:17.706_1
Header ID
GRAVI.2024-12-03T04:08:17.706
Date updated
2024-12-03 04:20:40 UTC+0000
Release date
2025-12-03 04:20:39 UTC+0000
UTC Start
2024-12-03 04:08:17.706
UTC End
2024-12-03 04:11:29.706
MJD Start
60647.17242715
MJD End
60647.1746493722
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0060255
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.475
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
JADLOVSKý / 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 21.7690 21.9090 130.2000 130.3000
A0-D0 26.1710 26.3490 42.1000 42.9000
A0-C1 17.1750 17.3810 99.7260 100.0050
B2-D0 33.4800 33.4830 1.6000 2.1000
B2-C1 11.1530 11.1540 1.5370 2.0710
D0-C1 22.3270 22.3280 181.5850 182.1200
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 60647.17242715
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 21.769
HIERARCH ESO ISS PBL12 END 21.909
HIERARCH ESO ISS PBLA12 START 130.2
HIERARCH ESO ISS PBLA12 END 130.3
HIERARCH ESO ISS PBL13 START 26.171
HIERARCH ESO ISS PBL13 END 26.349
HIERARCH ESO ISS PBLA13 START 42.1
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 17.175
HIERARCH ESO ISS PBL14 END 17.381
HIERARCH ESO ISS PBLA14 START 99.726
HIERARCH ESO ISS PBLA14 END 100.005
HIERARCH ESO ISS PBL23 START 33.48
HIERARCH ESO ISS PBL23 END 33.483
HIERARCH ESO ISS PBLA23 START 1.6
HIERARCH ESO ISS PBLA23 END 2.1
HIERARCH ESO ISS PBL24 START 11.153
HIERARCH ESO ISS PBL24 END 11.154
HIERARCH ESO ISS PBLA24 START 1.537
HIERARCH ESO ISS PBLA24 END 2.071
HIERARCH ESO ISS PBL34 START 22.327
HIERARCH ESO ISS PBL34 END 22.328
HIERARCH ESO ISS PBLA34 START 181.585
HIERARCH ESO ISS PBLA34 END 182.12
HIERARCH ESO ISS AMBI TAU0 START 0.006306
HIERARCH ESO ISS AMBI TAU0 END 0.005745
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.45