Exposure
ID
GRAVI.2025-03-05T03:23:13.422_1
Header ID
GRAVI.2025-03-05T03:23:13.422
Date updated
2025-03-05 03:35:32 UTC+0000
Release date
2026-03-05 03:35:32 UTC+0000
UTC Start
2025-03-05 03:23:13.422
UTC End
2025-03-05 03:26:25.422
MJD Start
60739.14112757
MJD End
60739.143349792226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006885499999999999
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.6499999999999999
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 24.6140 24.5850 159.9000 160.5000
A0-D0 28.0110 27.7840 83.8000 84.2000
A0-C1 20.7340 20.6380 133.9980 134.6590
B2-D0 32.5380 32.4530 36.6000 36.8000
B2-C1 10.8390 10.8110 36.5310 36.7340
D0-C1 21.6980 21.6410 216.5910 216.7940
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 60739.14112757
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 24.614
HIERARCH ESO ISS PBL12 END 24.585
HIERARCH ESO ISS PBLA12 START 159.9
HIERARCH ESO ISS PBLA12 END 160.5
HIERARCH ESO ISS PBL13 START 28.011
HIERARCH ESO ISS PBL13 END 27.784
HIERARCH ESO ISS PBLA13 START 83.8
HIERARCH ESO ISS PBLA13 END 84.2
HIERARCH ESO ISS PBL14 START 20.734
HIERARCH ESO ISS PBL14 END 20.638
HIERARCH ESO ISS PBLA14 START 133.998
HIERARCH ESO ISS PBLA14 END 134.659
HIERARCH ESO ISS PBL23 START 32.538
HIERARCH ESO ISS PBL23 END 32.453
HIERARCH ESO ISS PBLA23 START 36.6
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 10.839
HIERARCH ESO ISS PBL24 END 10.811
HIERARCH ESO ISS PBLA24 START 36.531
HIERARCH ESO ISS PBLA24 END 36.734
HIERARCH ESO ISS PBL34 START 21.698
HIERARCH ESO ISS PBL34 END 21.641
HIERARCH ESO ISS PBLA34 START 216.591
HIERARCH ESO ISS PBLA34 END 216.794
HIERARCH ESO ISS AMBI TAU0 START 0.007677
HIERARCH ESO ISS AMBI TAU0 END 0.006094
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.7