Exposure
ID
GRAVI.2025-11-19T08:15:27.584_1
Header ID
GRAVI.2025-11-19T08:15:27.584
Date updated
2025-11-19 08:26:54 UTC+0000
Release date
2025-11-19 08:15:27 UTC+0000
UTC Start
2025-11-19 08:15:27.584
UTC End
2025-11-19 08:18:39.584
MJD Start
60998.34406926
MJD End
60998.34629148222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003887
Ambient temperature (°C)
12.55
Seeing (arcsec)
1.185
Observation
ID
71813
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
48285
Name
d_Vel
RA
131.096577
DEC
-42.64917
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 23.1040 23.1950 131.6000 132.0000
A0-D0 31.7640 31.8020 58.7000 59.4000
A0-C1 21.0960 21.1890 102.9660 103.5360
B2-D0 33.3260 33.3030 17.2000 17.7000
B2-C1 11.1010 11.0930 17.1860 17.6890
D0-C1 22.2260 22.2100 197.2460 197.7490
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 60998.34406926
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME d Vel
HIERARCH ESO INS SOBJ NAME d_Vel
RA 131.096577
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 23.104
HIERARCH ESO ISS PBL12 END 23.195
HIERARCH ESO ISS PBLA12 START 131.6
HIERARCH ESO ISS PBLA12 END 132.0
HIERARCH ESO ISS PBL13 START 31.764
HIERARCH ESO ISS PBL13 END 31.802
HIERARCH ESO ISS PBLA13 START 58.7
HIERARCH ESO ISS PBLA13 END 59.4
HIERARCH ESO ISS PBL14 START 21.096
HIERARCH ESO ISS PBL14 END 21.189
HIERARCH ESO ISS PBLA14 START 102.966
HIERARCH ESO ISS PBLA14 END 103.536
HIERARCH ESO ISS PBL23 START 33.326
HIERARCH ESO ISS PBL23 END 33.303
HIERARCH ESO ISS PBLA23 START 17.2
HIERARCH ESO ISS PBLA23 END 17.7
HIERARCH ESO ISS PBL24 START 11.101
HIERARCH ESO ISS PBL24 END 11.093
HIERARCH ESO ISS PBLA24 START 17.186
HIERARCH ESO ISS PBLA24 END 17.689
HIERARCH ESO ISS PBL34 START 22.226
HIERARCH ESO ISS PBL34 END 22.21
HIERARCH ESO ISS PBLA34 START 197.246
HIERARCH ESO ISS PBLA34 END 197.749
HIERARCH ESO ISS AMBI TAU0 START 0.003659
HIERARCH ESO ISS AMBI TAU0 END 0.004115
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 1.26
HIERARCH ESO ISS AMBI FWHM END 1.11