Exposure
ID
GRAVI.2025-11-19T05:58:42.237_1
Header ID
GRAVI.2025-11-19T05:58:42.237
Date updated
2025-11-19 06:15:47 UTC+0000
Release date
2025-11-19 05:58:42 UTC+0000
UTC Start
2025-11-19 05:58:42.237
UTC End
2025-11-19 06:01:22.237
MJD Start
60998.24909997
MJD End
60998.25095182186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005353500000000001
Ambient temperature (°C)
13.68
Seeing (arcsec)
1.025
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 16.5490 16.6690 96.5000 97.2000
A0-D0 31.9600 31.9660 31.6000 32.4000
A0-C1 18.2930 18.3690 64.6660 65.5950
B2-D0 29.0930 29.0910 0.6000 1.2000
B2-C1 9.6880 9.6870 0.5380 1.1400
D0-C1 19.4050 19.4040 180.5920 181.1940
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 60998.24909997
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 16.549
HIERARCH ESO ISS PBL12 END 16.669
HIERARCH ESO ISS PBLA12 START 96.5
HIERARCH ESO ISS PBLA12 END 97.2
HIERARCH ESO ISS PBL13 START 31.96
HIERARCH ESO ISS PBL13 END 31.966
HIERARCH ESO ISS PBLA13 START 31.6
HIERARCH ESO ISS PBLA13 END 32.4
HIERARCH ESO ISS PBL14 START 18.293
HIERARCH ESO ISS PBL14 END 18.369
HIERARCH ESO ISS PBLA14 START 64.666
HIERARCH ESO ISS PBLA14 END 65.595
HIERARCH ESO ISS PBL23 START 29.093
HIERARCH ESO ISS PBL23 END 29.091
HIERARCH ESO ISS PBLA23 START 0.6
HIERARCH ESO ISS PBLA23 END 1.2
HIERARCH ESO ISS PBL24 START 9.688
HIERARCH ESO ISS PBL24 END 9.687
HIERARCH ESO ISS PBLA24 START 0.538
HIERARCH ESO ISS PBLA24 END 1.14
HIERARCH ESO ISS PBL34 START 19.405
HIERARCH ESO ISS PBL34 END 19.404
HIERARCH ESO ISS PBLA34 START 180.592
HIERARCH ESO ISS PBLA34 END 181.194
HIERARCH ESO ISS AMBI TAU0 START 0.005032
HIERARCH ESO ISS AMBI TAU0 END 0.005675
HIERARCH ESO ISS AMBI TEMP 13.68
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 0.96