Exposure
ID
GRAVI.2025-11-19T05:54:51.228_1
Header ID
GRAVI.2025-11-19T05:54:51.228
Date updated
2025-11-19 06:15:47 UTC+0000
Release date
2025-11-19 05:54:51 UTC+0000
UTC Start
2025-11-19 05:54:51.228
UTC End
2025-11-19 05:57:31.228
MJD Start
60998.24642625
MJD End
60998.248278101855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0056845
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.97
Observation
ID
71809
Category
calibrator
Program ID
116.28P0.001
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 / ERCOLINO / JANIK
Target
ID
53309
Name
bet_Vol
RA
126.428169
DEC
-66.13776
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 16.4200 16.5400 95.6000 96.4000
A0-D0 31.9540 31.9600 30.7000 31.5000
A0-C1 18.2120 18.2870 63.6570 64.5900
B2-D0 29.0930 29.0930 359.9000 0.5000
B2-C1 9.6880 9.6880 359.8870 0.4880
D0-C1 19.4050 19.4050 179.9410 180.5420
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60998.24642625
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME bet Vol
HIERARCH ESO INS SOBJ NAME bet_Vol
RA 126.428169
DEC -66.13776
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 216.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 160
HIERARCH ESO ISS PBL12 START 16.42
HIERARCH ESO ISS PBL12 END 16.54
HIERARCH ESO ISS PBLA12 START 95.6
HIERARCH ESO ISS PBLA12 END 96.4
HIERARCH ESO ISS PBL13 START 31.954
HIERARCH ESO ISS PBL13 END 31.96
HIERARCH ESO ISS PBLA13 START 30.7
HIERARCH ESO ISS PBLA13 END 31.5
HIERARCH ESO ISS PBL14 START 18.212
HIERARCH ESO ISS PBL14 END 18.287
HIERARCH ESO ISS PBLA14 START 63.657
HIERARCH ESO ISS PBLA14 END 64.59
HIERARCH ESO ISS PBL23 START 29.093
HIERARCH ESO ISS PBL23 END 29.093
HIERARCH ESO ISS PBLA23 START 359.9
HIERARCH ESO ISS PBLA23 END 0.5
HIERARCH ESO ISS PBL24 START 9.688
HIERARCH ESO ISS PBL24 END 9.688
HIERARCH ESO ISS PBLA24 START 359.887
HIERARCH ESO ISS PBLA24 END 0.488
HIERARCH ESO ISS PBL34 START 19.405
HIERARCH ESO ISS PBL34 END 19.405
HIERARCH ESO ISS PBLA34 START 179.941
HIERARCH ESO ISS PBLA34 END 180.542
HIERARCH ESO ISS AMBI TAU0 START 0.005802
HIERARCH ESO ISS AMBI TAU0 END 0.005567
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.95