Exposure
ID
GRAVI.2025-05-24T04:57:18.093_1
Header ID
GRAVI.2025-05-24T04:57:18.093
Date updated
2025-05-24 05:11:02 UTC+0000
Release date
2026-05-24 05:11:02 UTC+0000
UTC Start
2025-05-24 04:57:18.093
UTC End
2025-05-24 04:59:58.093
MJD Start
60819.20645941
MJD End
60819.20831126186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0032455
Ambient temperature (°C)
12.21
Seeing (arcsec)
0.815
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 65.4280 65.6380 260.8000 261.3000
K0-D0 93.6300 93.8260 240.0000 240.4000
K0-J3 54.5270 54.6200 324.9400 325.2000
G2-D0 39.9650 39.9710 204.4000 204.8000
G2-J3 64.3340 64.3600 31.1370 31.5750
D0-J3 104.1260 104.1570 28.5380 28.9680
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 60819.20645941
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 65.428
HIERARCH ESO ISS PBL12 END 65.638
HIERARCH ESO ISS PBLA12 START 260.8
HIERARCH ESO ISS PBLA12 END 261.3
HIERARCH ESO ISS PBL13 START 93.63
HIERARCH ESO ISS PBL13 END 93.826
HIERARCH ESO ISS PBLA13 START 240.0
HIERARCH ESO ISS PBLA13 END 240.4
HIERARCH ESO ISS PBL14 START 54.527
HIERARCH ESO ISS PBL14 END 54.62
HIERARCH ESO ISS PBLA14 START 324.94
HIERARCH ESO ISS PBLA14 END 325.2
HIERARCH ESO ISS PBL23 START 39.965
HIERARCH ESO ISS PBL23 END 39.971
HIERARCH ESO ISS PBLA23 START 204.4
HIERARCH ESO ISS PBLA23 END 204.8
HIERARCH ESO ISS PBL24 START 64.334
HIERARCH ESO ISS PBL24 END 64.36
HIERARCH ESO ISS PBLA24 START 31.137
HIERARCH ESO ISS PBLA24 END 31.575
HIERARCH ESO ISS PBL34 START 104.126
HIERARCH ESO ISS PBL34 END 104.157
HIERARCH ESO ISS PBLA34 START 28.538
HIERARCH ESO ISS PBLA34 END 28.968
HIERARCH ESO ISS AMBI TAU0 START 0.002932
HIERARCH ESO ISS AMBI TAU0 END 0.003559
HIERARCH ESO ISS AMBI TEMP 12.21
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.74