Exposure
ID
GRAVI.2025-02-27T01:34:22.456_1
Header ID
GRAVI.2025-02-27T01:34:22.456
Date updated
2025-02-28 08:26:58 UTC+0000
Release date
2025-02-27 01:34:22 UTC+0000
UTC Start
2025-02-27 01:34:22.456
UTC End
2025-02-27 01:37:02.456
MJD Start
60733.06553768
MJD End
60733.067389531854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004295
Ambient temperature (°C)
15.25
Seeing (arcsec)
0.745
Observation
ID
64854
Category
calibrator
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
48298
Name
d_Vel
RA
131.096576
DEC
-42.64917
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.6650 83.9830 101.9000 102.3000
A0-J2 124.1100 124.4410 78.2000 78.7000
A0-K0 126.7050 126.8460 57.4460 57.9910
G1-J2 58.2090 58.2180 42.9000 43.4000
G1-K0 88.9680 88.9230 16.2730 16.6800
J2-K0 45.1950 45.2500 341.0530 341.3520
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60733.06553768
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME d Vel
HIERARCH ESO INS SOBJ NAME d_Vel
RA 131.096576
DEC -42.64917
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 83.665
HIERARCH ESO ISS PBL12 END 83.983
HIERARCH ESO ISS PBLA12 START 101.9
HIERARCH ESO ISS PBLA12 END 102.3
HIERARCH ESO ISS PBL13 START 124.11
HIERARCH ESO ISS PBL13 END 124.441
HIERARCH ESO ISS PBLA13 START 78.2
HIERARCH ESO ISS PBLA13 END 78.7
HIERARCH ESO ISS PBL14 START 126.705
HIERARCH ESO ISS PBL14 END 126.846
HIERARCH ESO ISS PBLA14 START 57.446
HIERARCH ESO ISS PBLA14 END 57.991
HIERARCH ESO ISS PBL23 START 58.209
HIERARCH ESO ISS PBL23 END 58.218
HIERARCH ESO ISS PBLA23 START 42.9
HIERARCH ESO ISS PBLA23 END 43.4
HIERARCH ESO ISS PBL24 START 88.968
HIERARCH ESO ISS PBL24 END 88.923
HIERARCH ESO ISS PBLA24 START 16.273
HIERARCH ESO ISS PBLA24 END 16.68
HIERARCH ESO ISS PBL34 START 45.195
HIERARCH ESO ISS PBL34 END 45.25
HIERARCH ESO ISS PBLA34 START 341.053
HIERARCH ESO ISS PBLA34 END 341.352
HIERARCH ESO ISS AMBI TAU0 START 0.004256
HIERARCH ESO ISS AMBI TAU0 END 0.004334
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.72