Exposure
ID
GRAVI.2025-01-28T05:40:29.229_1
Header ID
GRAVI.2025-01-28T05:40:29.229
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-01-28 05:55:44 UTC+0000
UTC Start
2025-01-28 05:40:29.229
UTC End
2025-01-28 05:43:41.229
MJD Start
60703.23644941
MJD End
60703.23867163222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.008921
Ambient temperature (°C)
17.16
Seeing (arcsec)
0.76
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 24.6480 24.6180 159.2000 159.8000
A0-D0 28.2660 28.0440 83.4000 83.8000
A0-C1 20.8420 20.7480 133.2460 133.8990
B2-D0 32.6330 32.5500 36.3000 36.5000
B2-C1 10.8710 10.8440 36.2900 36.5000
D0-C1 21.7620 21.7070 216.3500 216.5600
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 60703.23644941
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 24.648
HIERARCH ESO ISS PBL12 END 24.618
HIERARCH ESO ISS PBLA12 START 159.2
HIERARCH ESO ISS PBLA12 END 159.8
HIERARCH ESO ISS PBL13 START 28.266
HIERARCH ESO ISS PBL13 END 28.044
HIERARCH ESO ISS PBLA13 START 83.4
HIERARCH ESO ISS PBLA13 END 83.8
HIERARCH ESO ISS PBL14 START 20.842
HIERARCH ESO ISS PBL14 END 20.748
HIERARCH ESO ISS PBLA14 START 133.246
HIERARCH ESO ISS PBLA14 END 133.899
HIERARCH ESO ISS PBL23 START 32.633
HIERARCH ESO ISS PBL23 END 32.55
HIERARCH ESO ISS PBLA23 START 36.3
HIERARCH ESO ISS PBLA23 END 36.5
HIERARCH ESO ISS PBL24 START 10.871
HIERARCH ESO ISS PBL24 END 10.844
HIERARCH ESO ISS PBLA24 START 36.29
HIERARCH ESO ISS PBLA24 END 36.5
HIERARCH ESO ISS PBL34 START 21.762
HIERARCH ESO ISS PBL34 END 21.707
HIERARCH ESO ISS PBLA34 START 216.35
HIERARCH ESO ISS PBLA34 END 216.56
HIERARCH ESO ISS AMBI TAU0 START 0.010233
HIERARCH ESO ISS AMBI TAU0 END 0.007609
HIERARCH ESO ISS AMBI TEMP 17.16
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.84