Exposure
ID
GRAVI.2025-11-19T08:07:15.564_1
Header ID
GRAVI.2025-11-19T08:07:15.564
Date updated
2025-11-19 08:21:00 UTC+0000
Release date
2025-11-19 08:07:15 UTC+0000
UTC Start
2025-11-19 08:07:15.564
UTC End
2025-11-19 08:10:27.564
MJD Start
60998.33837458
MJD End
60998.34059680223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0052655
Ambient temperature (°C)
12.7
Seeing (arcsec)
1.0
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 22.8950 22.9910 130.7000 131.1000
A0-D0 31.6680 31.7130 57.2000 57.9000
A0-C1 20.8780 20.9780 101.6950 102.2660
B2-D0 33.3740 33.3530 16.1000 16.6000
B2-C1 11.1160 11.1100 16.0570 16.5650
D0-C1 22.2570 22.2430 196.1170 196.6250
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 60998.33837458
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 22.895
HIERARCH ESO ISS PBL12 END 22.991
HIERARCH ESO ISS PBLA12 START 130.7
HIERARCH ESO ISS PBLA12 END 131.1
HIERARCH ESO ISS PBL13 START 31.668
HIERARCH ESO ISS PBL13 END 31.713
HIERARCH ESO ISS PBLA13 START 57.2
HIERARCH ESO ISS PBLA13 END 57.9
HIERARCH ESO ISS PBL14 START 20.878
HIERARCH ESO ISS PBL14 END 20.978
HIERARCH ESO ISS PBLA14 START 101.695
HIERARCH ESO ISS PBLA14 END 102.266
HIERARCH ESO ISS PBL23 START 33.374
HIERARCH ESO ISS PBL23 END 33.353
HIERARCH ESO ISS PBLA23 START 16.1
HIERARCH ESO ISS PBLA23 END 16.6
HIERARCH ESO ISS PBL24 START 11.116
HIERARCH ESO ISS PBL24 END 11.11
HIERARCH ESO ISS PBLA24 START 16.057
HIERARCH ESO ISS PBLA24 END 16.565
HIERARCH ESO ISS PBL34 START 22.257
HIERARCH ESO ISS PBL34 END 22.243
HIERARCH ESO ISS PBLA34 START 196.117
HIERARCH ESO ISS PBLA34 END 196.625
HIERARCH ESO ISS AMBI TAU0 START 0.005249
HIERARCH ESO ISS AMBI TAU0 END 0.005282
HIERARCH ESO ISS AMBI TEMP 12.7
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 1.08