Exposure
ID
GRAVI.2025-05-24T04:54:00.084_1
Header ID
GRAVI.2025-05-24T04:54:00.084
Date updated
2025-05-24 05:05:50 UTC+0000
Release date
2026-05-24 05:05:50 UTC+0000
UTC Start
2025-05-24 04:54:00.084
UTC End
2025-05-24 04:56:40.084
MJD Start
60819.20416764
MJD End
60819.20601949185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0028669999999999998
Ambient temperature (°C)
12.2
Seeing (arcsec)
0.9
Observation
ID
66006
Category
science
Program ID
115.27VK.001
Program Title
UNVEILING 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
49136
Name
BM_Sco
RA
265.243936
DEC
-32.2145
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.1880 65.4050 260.4000 260.8000
K0-D0 93.4050 93.6080 239.5000 239.9000
K0-J3 54.4210 54.5170 324.6610 324.9150
G2-D0 39.9580 39.9640 203.9000 204.3000
G2-J3 64.3040 64.3310 30.6550 31.0930
D0-J3 104.0900 104.1230 28.0640 28.4950
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60819.20416764
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V BM Sco
HIERARCH ESO INS SOBJ NAME BM_Sco
RA 265.243936
DEC -32.2145
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 65.188
HIERARCH ESO ISS PBL12 END 65.405
HIERARCH ESO ISS PBLA12 START 260.4
HIERARCH ESO ISS PBLA12 END 260.8
HIERARCH ESO ISS PBL13 START 93.405
HIERARCH ESO ISS PBL13 END 93.608
HIERARCH ESO ISS PBLA13 START 239.5
HIERARCH ESO ISS PBLA13 END 239.9
HIERARCH ESO ISS PBL14 START 54.421
HIERARCH ESO ISS PBL14 END 54.517
HIERARCH ESO ISS PBLA14 START 324.661
HIERARCH ESO ISS PBLA14 END 324.915
HIERARCH ESO ISS PBL23 START 39.958
HIERARCH ESO ISS PBL23 END 39.964
HIERARCH ESO ISS PBLA23 START 203.9
HIERARCH ESO ISS PBLA23 END 204.3
HIERARCH ESO ISS PBL24 START 64.304
HIERARCH ESO ISS PBL24 END 64.331
HIERARCH ESO ISS PBLA24 START 30.655
HIERARCH ESO ISS PBLA24 END 31.093
HIERARCH ESO ISS PBL34 START 104.09
HIERARCH ESO ISS PBL34 END 104.123
HIERARCH ESO ISS PBLA34 START 28.064
HIERARCH ESO ISS PBLA34 END 28.495
HIERARCH ESO ISS AMBI TAU0 START 0.002802
HIERARCH ESO ISS AMBI TAU0 END 0.002932
HIERARCH ESO ISS AMBI TEMP 12.2
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.89